{"as_of":"2026-08-10T17:55:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:9a3ba50ff53ae87de51c65cf978c904adb9585f5b344cc3e64932df187c1f099","coverage":[{"denominator":0,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":4,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":4,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-10T06:31:04.303077+00:00","state":"measured"},{"denominator":4,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":4,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-07T12:48:16.087638Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"arxiv_reference","source_observed_at":"2026-05-16T23:28:40.679406Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2105.12400","last_updated":"2021-06-03T08:27:11Z","snapshot_observed_at":"2026-08-09T17:02:12.799679Z","submitted_at":"2021-05-26T08:54:19Z","title":"Hidden Killer: Invisible Textual Backdoor Attacks with Syntactic Trigger","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2105.12400","snapshot_observed_at":"2026-08-07T12:48:16.087638Z","title":null,"venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2505.23561","last_updated":"2025-05-29T15:37:23Z","snapshot_observed_at":"2026-08-10T00:32:44.976355Z","submitted_at":"2025-05-29T15:37:23Z","title":"Merge Hijacking: Backdoor Attacks to Model Merging of Large Language Models","version":1},"reference_index":27,"source":"arxiv_source","source_observed_at":"2026-08-07T12:48:16.087638Z"},"links":{"cited_paper":"/paper/2105.12400","citing_paper":"/paper/2505.23561"},"observation_digest":"sha256:e3aa457458f632139ae818c5edcd189f67a2c2ffdf1b8622888c2d12cf69135d","observation_id":"d28e90b0-fba3-4e07-a033-1a758f9d6c28","resolution":{"observed_at":"2026-08-07T12:48:16.087638Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2105.12400","last_updated":"2021-06-03T08:27:11Z","snapshot_observed_at":"2026-08-09T17:02:12.799679Z","submitted_at":"2021-05-26T08:54:19Z","title":"Hidden Killer: Invisible Textual Backdoor Attacks with Syntactic Trigger","version":2},"cited_work":{"arxiv_id":"2105.12400","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2105.12400","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Hidden killer: Invisible textual backdoor attacks with syntactic trigger","venue":null,"work_id":"5839f712-46f1-434b-8957-a8492a119914","year":2021},"citing_paper":{"arxiv_id":"2512.10998","last_updated":"2025-12-10T17:25:55Z","snapshot_observed_at":"2026-07-06T22:38:45.907386Z","submitted_at":"2025-12-10T17:25:55Z","title":"SCOUT: A Defense Against Data Poisoning Attacks in Fine-Tuned Language Models","version":1},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-05-16T23:26:48.405593Z"},"links":{"cited_paper":"/paper/2105.12400","citing_paper":"/paper/2512.10998"},"observation_digest":"sha256:29082b8b2c225c9fa2dfbca5810aeafddfe276de0cb26046fb88b16f27f28bab","observation_id":"59057242-fc96-4fba-bd52-ceb2d9438026","resolution":{"observed_at":"2026-05-16T23:28:40.682100Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2105.12400","last_updated":"2021-06-03T08:27:11Z","snapshot_observed_at":"2026-08-09T17:02:12.799679Z","submitted_at":"2021-05-26T08:54:19Z","title":"Hidden Killer: Invisible Textual Backdoor Attacks with Syntactic Trigger","version":2},"cited_work":{"arxiv_id":"2105.12400","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2105.12400","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Hidden killer: Invisible textual backdoor attacks with syntactic trigger","venue":null,"work_id":"5839f712-46f1-434b-8957-a8492a119914","year":2021},"citing_paper":{"arxiv_id":"2604.04488","last_updated":"2026-04-06T07:27:04Z","snapshot_observed_at":"2026-08-05T13:21:08.142791Z","submitted_at":"2026-04-06T07:27:04Z","title":"A Patch-based Cross-view Regularized Framework for Backdoor Defense in Multimodal Large Language Models","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-05-10T20:14:02.553313Z"},"links":{"cited_paper":"/paper/2105.12400","citing_paper":"/paper/2604.04488"},"observation_digest":"sha256:36c6318db73050315963563a69c1decb12915461f3255ff5253af14b76668f4f","observation_id":"20e9f893-4d93-4564-9169-ff6f2532a2ab","resolution":{"observed_at":"2026-05-10T22:05:49.291744Z","resolver_source":"arxiv_id","status":"metadata_mismatch"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2105.12400","last_updated":"2021-06-03T08:27:11Z","snapshot_observed_at":"2026-08-09T17:02:12.799679Z","submitted_at":"2021-05-26T08:54:19Z","title":"Hidden Killer: Invisible Textual Backdoor Attacks with Syntactic Trigger","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2105.12400","snapshot_observed_at":"2026-08-01T22:32:16.424986Z","title":"arXiv preprint arXiv:2105.12400 (2021)","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2607.15724","last_updated":"2026-07-17T07:59:49Z","snapshot_observed_at":"2026-08-08T18:51:47.510976Z","submitted_at":"2026-07-17T07:59:49Z","title":"Natural Backdoor Attacks on Speech Recognition Models","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-01T22:32:16.424986Z"},"links":{"cited_paper":"/paper/2105.12400","citing_paper":"/paper/2607.15724"},"observation_digest":"sha256:2f74babaebf8330d28c42102163e1099fe192ccf76dbc9943d223e1203a2e08d","observation_id":"48d6f540-af6c-4593-b0cb-569d12a37127","resolution":{"observed_at":"2026-08-01T22:32:16.424986Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/2105.12400/citation-record","integrity":"/paper/2105.12400/integrity","json":"/paper/2105.12400/citation-record.json","paper":"/paper/2105.12400"},"outbound":[],"paper":{"arxiv_id":"2105.12400","last_updated":"2021-06-03T08:27:11Z","latest_version":2,"primary_category":"cs.CL","snapshot_observed_at":"2026-08-09T17:02:12.799679Z","submitted_at":"2021-05-26T08:54:19Z","title":"Hidden Killer: Invisible Textual Backdoor Attacks with Syntactic Trigger"},"reference_resolution":{"displayed":0,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":0,"verified_exact":0,"verified_fuzzy":0},"total_outbound_references":0},"refusal":"A citation records a reference. It does not transfer a finding from one paper to another.","schema":"pith.paper-citation-record.v1","standing_sources":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"thesis":"As of 10 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 4 inbound Pith citation observations for arXiv:2105.12400."}