{"schema_version":"onlylabs.public_signal.v1","title":"Amazon (Nova) Release: amazon-science/uniqsketch v1.6.1","description":"Amazon (Nova) release signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/4d4f2f95-b916-412a-bf8f-ac6a825030bf","json_url":"https://onlylabs.fyi/signals/4d4f2f95-b916-412a-bf8f-ac6a825030bf/signal.json","generated_at":"2026-09-09T18:47:04.162Z","evidence_latest_fetched_at":"2026-09-04T07:04:01.499849+00:00","signal_first_seen_at":"2026-09-04T07:01:27.961437+00:00","org":{"slug":"amazon","name":"Amazon (Nova)","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/amazon","dossier_json_url":"https://onlylabs.fyi/labs/amazon/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/4d4f2f95-b916-412a-bf8f-ac6a825030bf","signal_json":"https://onlylabs.fyi/signals/4d4f2f95-b916-412a-bf8f-ac6a825030bf/signal.json","source":"https://github.com/amazon-science/uniqsketch/releases/tag/v1.6.1","lab_dossier":"https://onlylabs.fyi/labs/amazon","lab_dossier_json":"https://onlylabs.fyi/labs/amazon/dossier.json","analysis":"https://onlylabs.fyi/analysis/amazon","analysis_json":"https://onlylabs.fyi/analysis/amazon/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/amazon/evidence.json","category":"https://onlylabs.fyi/frontier","category_json":"https://onlylabs.fyi/frontier.json","category_feed":"https://onlylabs.fyi/frontier/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","topic":"https://onlylabs.fyi/topics/releases","topic_signals_json":"https://onlylabs.fyi/topics/releases/signals.json","topic_feed":"https://onlylabs.fyi/topics/releases/feed.xml","data_business":null},"answer_pack":{"answer":"Amazon (Nova) published amazon-science/uniqsketch v1.6.1 (amazon-science/uniqsketch). This release signal is evidence of what shipped, changed, or was packaged for users. High-signal details: v1.6.1 — fix BloomFilter data race in index construction Repository: amazon-science/uniqsketch Tag: v1.6.1 Published: 2026-09-03T17:17:07Z Prerelease: no Release notes:.... onlylabs links this event to 1 captured evidence page and 6 related release signals.","signal_desk":"releases","source_context":{"source_url":"https://github.com/amazon-science/uniqsketch/releases/tag/v1.6.1","source_host":"github.com","occurred_at":"2026-09-03T17:17:07+00:00","first_seen_at":"2026-09-04T07:01:27.961437+00:00","date_source":"source","context":"amazon-science/uniqsketch"},"context_markers":[{"label":"Lab","value":"Amazon (Nova)","source":"signal"},{"label":"Signal desk","value":"releases","source":"signal"},{"label":"Source host","value":"github.com","source":"source"},{"label":"Repository","value":"amazon-science/uniqsketch","source":"source"},{"label":"Release","value":"v1.6.1 — fix BloomFilter data race in index construction","source":"source"},{"label":"Watch 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model cards, repository releases, and launch artifacts into a current view of what shipped and what changed.","evidence_focus":["model card","release note","version or tag","pipeline tag","license","downloads, likes, stars, and linked papers"],"extraction_questions":["What actually shipped, and through which public artifact?","Which releases include inspectable model, repo, paper, or package evidence?","Which launches create new eval, data, infra, or deployment needs?","Which shipped signals are missing captured page context?"],"signal_questions":["What changed in this release, and what downstream data or infrastructure need could it create?","What actually shipped, and through which public artifact?","Which releases include inspectable model, repo, paper, or package evidence?","Do the 6 related release signals show a repeated pattern?"],"output_fields":["org","release_type","artifact","traction","data_business_lane","evidence_url"],"data_business_relevance":"Release signals show the hard edge of lab execution and help connect data-business opportunities to concrete model, repo, and deployment changes.","required_sources":[{"label":"signal_json","url":"https://onlylabs.fyi/signals/4d4f2f95-b916-412a-bf8f-ac6a825030bf/signal.json","required":true},{"label":"source","url":"https://github.com/amazon-science/uniqsketch/releases/tag/v1.6.1","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/amazon/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/amazon/evidence.json","required":true},{"label":"topic_signals_json","url":"https://onlylabs.fyi/topics/releases/signals.json","required":false},{"label":"data_radar_json","url":null,"required":false}],"expected_output":["one-paragraph source-grounded interpretation","category-specific implication","confidence and missing evidence","recommended next source to inspect"],"prompt_seed":"Using only the linked onlylabs JSON, captured source context, and cited evidence, analyze Amazon (Nova)'s release signal \"amazon-science/uniqsketch v1.6.1\" for frontier lab strategy."},"semantic_triples":[{"subject":"Amazon (Nova)","predicate":"released","object":"amazon-science/uniqsketch v1.6.1","text":"Amazon (Nova) released amazon-science/uniqsketch v1.6.1."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"is classified as","object":"release signal","text":"amazon-science/uniqsketch v1.6.1 is classified as release signal."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"belongs to","object":"releases desk","text":"amazon-science/uniqsketch v1.6.1 belongs to releases desk."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"has context","object":"amazon-science/uniqsketch","text":"amazon-science/uniqsketch v1.6.1 has context amazon-science/uniqsketch."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"has evidence coverage","object":"1 captured evidence page","text":"amazon-science/uniqsketch v1.6.1 has evidence coverage 1 captured evidence page."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"has captured page count","object":"1","text":"amazon-science/uniqsketch v1.6.1 has captured page count 1."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"has readable page count","object":"1","text":"amazon-science/uniqsketch v1.6.1 has readable page count 1."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"has related signal count","object":"6","text":"amazon-science/uniqsketch v1.6.1 has related signal count 6."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"has analysis playbook objective","object":"Turn model cards, repository releases, and launch artifacts into a current view of what shipped and what changed.","text":"amazon-science/uniqsketch v1.6.1 has analysis playbook objective Turn model cards, repository releases, and launch artifacts into a current view of what shipped and what changed.."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"has source host","object":"github.com","text":"amazon-science/uniqsketch v1.6.1 has source host github.com."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"has lab","object":"Amazon (Nova)","text":"amazon-science/uniqsketch v1.6.1 has lab Amazon (Nova)."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"has signal desk","object":"releases","text":"amazon-science/uniqsketch v1.6.1 has signal desk releases."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"has source host","object":"github.com","text":"amazon-science/uniqsketch v1.6.1 has source host github.com."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"has repository","object":"amazon-science/uniqsketch","text":"amazon-science/uniqsketch v1.6.1 has repository amazon-science/uniqsketch."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"has release","object":"v1.6.1 — fix BloomFilter data race in index construction","text":"amazon-science/uniqsketch v1.6.1 has release v1.6.1 — fix BloomFilter data race in index construction."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"has watch term","object":"Infrastructure","text":"amazon-science/uniqsketch v1.6.1 has watch term Infrastructure."}]},"intelligence":{"signal_desk":"releases","answer":"Amazon (Nova) published amazon-science/uniqsketch v1.6.1 (amazon-science/uniqsketch). This release signal is evidence of what shipped, changed, or was packaged for users. High-signal details: v1.6.1 — fix BloomFilter data race in index construction Repository: amazon-science/uniqsketch Tag: v1.6.1 Published: 2026-09-03T17:17:07Z Prerelease: no Release notes:.... onlylabs links this event to 1 captured evidence page and 6 related release signals.","semantic_triples":[{"subject":"Amazon (Nova)","predicate":"released","object":"amazon-science/uniqsketch v1.6.1","text":"Amazon (Nova) released amazon-science/uniqsketch v1.6.1."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"is classified as","object":"release signal","text":"amazon-science/uniqsketch v1.6.1 is classified as release signal."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"belongs to","object":"releases desk","text":"amazon-science/uniqsketch v1.6.1 belongs to releases desk."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"has context","object":"amazon-science/uniqsketch","text":"amazon-science/uniqsketch v1.6.1 has context amazon-science/uniqsketch."},{"subject":"amazon-science/uniqsketch v1.6.1","predicate":"has evidence coverage","object":"1 captured evidence page","text":"amazon-science/uniqsketch v1.6.1 has evidence coverage 1 captured evidence page."}]},"signal":{"id":"4d4f2f95-b916-412a-bf8f-ac6a825030bf","url":"https://onlylabs.fyi/signals/4d4f2f95-b916-412a-bf8f-ac6a825030bf","json_url":"https://onlylabs.fyi/signals/4d4f2f95-b916-412a-bf8f-ac6a825030bf/signal.json","source_url":"https://github.com/amazon-science/uniqsketch/releases/tag/v1.6.1","title":"amazon-science/uniqsketch v1.6.1","summary":"Amazon (Nova) published release notes. onlylabs watches releases for what actually shipped.","context":"amazon-science/uniqsketch","kind":{"key":"release","label":"Release"},"org":{"slug":"amazon","name":"Amazon (Nova)","category":"frontier-lab"},"occurred_at":"2026-09-03T17:17:07+00:00","first_seen_at":"2026-09-04T07:01:27.961437+00:00","date_source":"source","evidence_coverage":{"target_pages":1,"captured_pages":1,"readable_pages":1,"capture_methods":["plain"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://github.com/amazon-science/uniqsketch/releases/tag/v1.6.1"]},"facets":{"repo":"amazon-science/uniqsketch"},"traction":{"github_stars":null,"hn_points":null,"hn_comments":null,"hn_story_id":null,"hf_downloads":null,"hf_likes":null},"data_radar":null},"primary_evidence_page":{"is_primary":true,"source_match":true,"url":"https://github.com/amazon-science/uniqsketch/releases/tag/v1.6.1","final_url":"https://github.com/amazon-science/uniqsketch/releases/tag/v1.6.1","title":"amazon-science/uniqsketch v1.6.1","http_status":200,"content_type":"application/json","capture_method":"plain","fetched_at":"2026-09-04T07:04:01.499849+00:00","bytes":5135,"raw_path":"7bd794efcc0a00a9d22c4e047e95d23691862212b9659e13573cca384763ce9f.json","content_hash":"c957e477e0a60bb7beece63e3b9a8811a12ce38a3a023307125db0f0eb7353a7","excerpt_chars":1200,"truncated":true,"excerpt":"v1.6.1 — fix BloomFilter data race in index construction Repository: amazon-science/uniqsketch Tag: v1.6.1 Published: 2026-09-03T17:17:07Z Prerelease: no Release notes: Fixes - **Data race in `BloomFilter::insert_make_change` that made index construction non-deterministic.** Each hash bit was written atomically, but the composite \"was this k-mer newly inserted?\" answer was not: two threads inserting the same k-mer could each win a subset of the bits and both report success. `uniqsketch` builds its distinct and solid Bloom filters in parallel across references and relies on exactly one caller observing success, so that a k-mer occurring in more than one reference is recorded as a repeat and excluded from every reference's unique set. When the race hid that repeat, the k-mer remained a signature for both references, and reads from one inflated the reported abundance of the other. Signature selection and `querysketch --solid` depend on the same contract. The fix serialises the test-then-insert sequence on a lock striped by the leading hash value, so inserts of the same k-mer are ordered while unrelated k-mers proceed in parallel. The lock is only taken when the k-mer appears absent,..."},"evidence_pages":[],"related_signals":[{"id":"6d770453-1a7d-47bf-b4ca-102d8d0142e8","url":"https://onlylabs.fyi/signals/6d770453-1a7d-47bf-b4ca-102d8d0142e8","source_url":"https://github.com/amazon-science/chronos-forecasting/releases/tag/v2.3.2","title":"amazon-science/chronos-forecasting v2.3.2","context":"amazon-science/chronos-forecasting","kind":{"key":"release","label":"Release"},"org":{"slug":"amazon","name":"Amazon (Nova)","category":"frontier-lab"},"occurred_at":"2026-09-08T14:06:51+00:00","first_seen_at":"2026-09-09T07:00:37.014477+00:00","date_source":"source"},{"id":"b6bc49ac-81f0-43a7-bd57-3a1e7174fd66","url":"https://onlylabs.fyi/signals/b6bc49ac-81f0-43a7-bd57-3a1e7174fd66","source_url":"https://github.com/amazon-science/uniqsketch/releases/tag/v1.6.0","title":"amazon-science/uniqsketch v1.6.0","context":"amazon-science/uniqsketch","kind":{"key":"release","label":"Release"},"org":{"slug":"amazon","name":"Amazon (Nova)","category":"frontier-lab"},"occurred_at":"2026-08-21T18:51:08+00:00","first_seen_at":"2026-08-22T07:00:35.830895+00:00","date_source":"source"},{"id":"da00fa8d-4460-4763-92f6-75f843c9bdea","url":"https://onlylabs.fyi/signals/da00fa8d-4460-4763-92f6-75f843c9bdea","source_url":"https://github.com/amazon-science/ammo/releases/tag/v1.0.0","title":"amazon-science/ammo v1.0.0","context":"amazon-science/ammo","kind":{"key":"release","label":"Release"},"org":{"slug":"amazon","name":"Amazon (Nova)","category":"frontier-lab"},"occurred_at":"2026-08-20T15:36:28+00:00","first_seen_at":"2026-08-28T07:00:36.884606+00:00","date_source":"source"},{"id":"8e9facf7-7ed5-4499-a2dc-e1a85b56b63e","url":"https://onlylabs.fyi/signals/8e9facf7-7ed5-4499-a2dc-e1a85b56b63e","source_url":"https://github.com/amazon-science/muss/releases/tag/v1.0.0","title":"amazon-science/muss v1.0.0","context":"amazon-science/muss","kind":{"key":"release","label":"Release"},"org":{"slug":"amazon","name":"Amazon (Nova)","category":"frontier-lab"},"occurred_at":"2026-08-04T01:08:54+00:00","first_seen_at":"2026-08-04T07:00:36.792717+00:00","date_source":"source"},{"id":"b2604853-97c5-44f9-917b-45150ba3ff75","url":"https://onlylabs.fyi/signals/b2604853-97c5-44f9-917b-45150ba3ff75","source_url":"https://github.com/amazon-science/uniqsketch/releases/tag/v1.5.0","title":"amazon-science/uniqsketch v1.5.0","context":"amazon-science/uniqsketch","kind":{"key":"release","label":"Release"},"org":{"slug":"amazon","name":"Amazon (Nova)","category":"frontier-lab"},"occurred_at":"2026-07-17T17:37:48+00:00","first_seen_at":"2026-07-18T07:00:36.328741+00:00","date_source":"source"},{"id":"311fd127-a4d3-4f3c-8eef-78aa28899a59","url":"https://onlylabs.fyi/signals/311fd127-a4d3-4f3c-8eef-78aa28899a59","source_url":"https://github.com/amazon-science/uniqsketch/releases/tag/v1.4.0","title":"amazon-science/uniqsketch v1.4.0","context":"amazon-science/uniqsketch","kind":{"key":"release","label":"Release"},"org":{"slug":"amazon","name":"Amazon (Nova)","category":"frontier-lab"},"occurred_at":"2026-07-16T18:50:14+00:00","first_seen_at":"2026-07-17T07:00:37.018162+00:00","date_source":"source"}]}