{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:OQSC6P6V6Y7GI52NYWSN3BOHHY","short_pith_number":"pith:OQSC6P6V","canonical_record":{"source":{"id":"2606.08436","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-06-07T03:23:18Z","cross_cats_sorted":[],"title_canon_sha256":"7ec57bc5b1d07a80f8fd331fe7942c6dc12d0422aa8c3e097cda2b3c92520c01","abstract_canon_sha256":"b9331b61f78ab4a1994b7b3097b1b816c67757510a9c89ec9cc37cef8cdfd706"},"schema_version":"1.0"},"canonical_sha256":"74242f3fd5f63e64774dc5a4dd85c73e1981b3e8ee17dca91ac40537c365e562","source":{"kind":"arxiv","id":"2606.08436","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.08436","created_at":"2026-06-09T01:05:36Z"},{"alias_kind":"arxiv_version","alias_value":"2606.08436v1","created_at":"2026-06-09T01:05:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.08436","created_at":"2026-06-09T01:05:36Z"},{"alias_kind":"pith_short_12","alias_value":"OQSC6P6V6Y7G","created_at":"2026-06-09T01:05:36Z"},{"alias_kind":"pith_short_16","alias_value":"OQSC6P6V6Y7GI52N","created_at":"2026-06-09T01:05:36Z"},{"alias_kind":"pith_short_8","alias_value":"OQSC6P6V","created_at":"2026-06-09T01:05:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:OQSC6P6V6Y7GI52NYWSN3BOHHY","target":"record","payload":{"canonical_record":{"source":{"id":"2606.08436","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-06-07T03:23:18Z","cross_cats_sorted":[],"title_canon_sha256":"7ec57bc5b1d07a80f8fd331fe7942c6dc12d0422aa8c3e097cda2b3c92520c01","abstract_canon_sha256":"b9331b61f78ab4a1994b7b3097b1b816c67757510a9c89ec9cc37cef8cdfd706"},"schema_version":"1.0"},"canonical_sha256":"74242f3fd5f63e64774dc5a4dd85c73e1981b3e8ee17dca91ac40537c365e562","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-09T01:05:36.541690Z","signature_b64":"Ihp4otY9RLXhtVVWT8EoInhIpW1Btv8aLNFiwRnlsi4zzpEMRSAYHZXNRaOklbElnPyVQB0v/I/yk2yaQ+xjBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"74242f3fd5f63e64774dc5a4dd85c73e1981b3e8ee17dca91ac40537c365e562","last_reissued_at":"2026-06-09T01:05:36.541268Z","signature_status":"signed_v1","first_computed_at":"2026-06-09T01:05:36.541268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.08436","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-09T01:05:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lcd6Up2wFzv9e4vizELV72jJ7rEidWInBXRk+PxpOoz5zAz0hm72Oau5dLMECrU2K2w06a24P8x8YqgJlwxKBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T19:25:54.907145Z"},"content_sha256":"8ad6bf7836fb3835beae6e58bf2a0d4f970ff71beaca946efc48e25941258d7f","schema_version":"1.0","event_id":"sha256:8ad6bf7836fb3835beae6e58bf2a0d4f970ff71beaca946efc48e25941258d7f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:OQSC6P6V6Y7GI52NYWSN3BOHHY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reinforcing Temporal Answer Grounding in Instructional Video via Candidate-Aware Causal Reasoning","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Bin Li, Lei Ma, Muge Qi, Pengbin Feng, Rong Fu, Shizhe Zhang, Simon James Fong, Xianda Li, Yifu Guo, Yu Cai","submitted_at":"2026-06-07T03:23:18Z","abstract_excerpt":"The task of temporal answer grounding in instructional video (TAGV), which aims to locate precise video segments that respond to natural language queries, is increasingly important for direct video answer retrieval. This task remains challenging due to the need to comprehend semantically complex questions and to address the significant length mismatch between untrimmed videos and short target moments. Existing methods often suffer from sensitivity to irrelevant content or insufficient visual reasoning capabilities. To tackle these limitations, we propose a Candidate-Aware Causal Reasoning (CAC"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.08436","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.08436/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-09T01:05:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e2bU+WWTUinAwKEatvaM0tPZmp8vs0FDHpR7+QGlQYTQNHyEkggZRmjYkg46fR8LGn3Smn5rmK7IkEELziKiBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T19:25:54.907565Z"},"content_sha256":"b738c7a1a985bf6c32b9898fabcda594bd32787437a9a546c6341fd3aa686436","schema_version":"1.0","event_id":"sha256:b738c7a1a985bf6c32b9898fabcda594bd32787437a9a546c6341fd3aa686436"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OQSC6P6V6Y7GI52NYWSN3BOHHY/bundle.json","state_url":"https://pith.science/pith/OQSC6P6V6Y7GI52NYWSN3BOHHY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OQSC6P6V6Y7GI52NYWSN3BOHHY/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-10T19:25:54Z","links":{"resolver":"https://pith.science/pith/OQSC6P6V6Y7GI52NYWSN3BOHHY","bundle":"https://pith.science/pith/OQSC6P6V6Y7GI52NYWSN3BOHHY/bundle.json","state":"https://pith.science/pith/OQSC6P6V6Y7GI52NYWSN3BOHHY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OQSC6P6V6Y7GI52NYWSN3BOHHY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:OQSC6P6V6Y7GI52NYWSN3BOHHY","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"b9331b61f78ab4a1994b7b3097b1b816c67757510a9c89ec9cc37cef8cdfd706","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-06-07T03:23:18Z","title_canon_sha256":"7ec57bc5b1d07a80f8fd331fe7942c6dc12d0422aa8c3e097cda2b3c92520c01"},"schema_version":"1.0","source":{"id":"2606.08436","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.08436","created_at":"2026-06-09T01:05:36Z"},{"alias_kind":"arxiv_version","alias_value":"2606.08436v1","created_at":"2026-06-09T01:05:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.08436","created_at":"2026-06-09T01:05:36Z"},{"alias_kind":"pith_short_12","alias_value":"OQSC6P6V6Y7G","created_at":"2026-06-09T01:05:36Z"},{"alias_kind":"pith_short_16","alias_value":"OQSC6P6V6Y7GI52N","created_at":"2026-06-09T01:05:36Z"},{"alias_kind":"pith_short_8","alias_value":"OQSC6P6V","created_at":"2026-06-09T01:05:36Z"}],"graph_snapshots":[{"event_id":"sha256:b738c7a1a985bf6c32b9898fabcda594bd32787437a9a546c6341fd3aa686436","target":"graph","created_at":"2026-06-09T01:05:36Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2606.08436/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The task of temporal answer grounding in instructional video (TAGV), which aims to locate precise video segments that respond to natural language queries, is increasingly important for direct video answer retrieval. This task remains challenging due to the need to comprehend semantically complex questions and to address the significant length mismatch between untrimmed videos and short target moments. Existing methods often suffer from sensitivity to irrelevant content or insufficient visual reasoning capabilities. To tackle these limitations, we propose a Candidate-Aware Causal Reasoning (CAC","authors_text":"Bin Li, Lei Ma, Muge Qi, Pengbin Feng, Rong Fu, Shizhe Zhang, Simon James Fong, Xianda Li, Yifu Guo, Yu Cai","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-06-07T03:23:18Z","title":"Reinforcing Temporal Answer Grounding in Instructional Video via Candidate-Aware Causal Reasoning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.08436","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:8ad6bf7836fb3835beae6e58bf2a0d4f970ff71beaca946efc48e25941258d7f","target":"record","created_at":"2026-06-09T01:05:36Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"b9331b61f78ab4a1994b7b3097b1b816c67757510a9c89ec9cc37cef8cdfd706","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-06-07T03:23:18Z","title_canon_sha256":"7ec57bc5b1d07a80f8fd331fe7942c6dc12d0422aa8c3e097cda2b3c92520c01"},"schema_version":"1.0","source":{"id":"2606.08436","kind":"arxiv","version":1}},"canonical_sha256":"74242f3fd5f63e64774dc5a4dd85c73e1981b3e8ee17dca91ac40537c365e562","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"74242f3fd5f63e64774dc5a4dd85c73e1981b3e8ee17dca91ac40537c365e562","first_computed_at":"2026-06-09T01:05:36.541268Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-09T01:05:36.541268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ihp4otY9RLXhtVVWT8EoInhIpW1Btv8aLNFiwRnlsi4zzpEMRSAYHZXNRaOklbElnPyVQB0v/I/yk2yaQ+xjBQ==","signature_status":"signed_v1","signed_at":"2026-06-09T01:05:36.541690Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.08436","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ad6bf7836fb3835beae6e58bf2a0d4f970ff71beaca946efc48e25941258d7f","sha256:b738c7a1a985bf6c32b9898fabcda594bd32787437a9a546c6341fd3aa686436"],"state_sha256":"6ede7fa2190924a443284a011f712dcec6739333f76c3e07365e455c4be2e3aa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bFq97rnGGhHMrHK8GkWDgrdflQJfM/slWkT5WiSPkxT8GLJl5c/9L0Th6oXcHR/Xp55YxsGTc+puxxGiY66cCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T19:25:54.909614Z","bundle_sha256":"e3d67d4a3df8d867e6caaaabceb3a053c49c7d358c13001266eccd7685061c19"}}