{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:POUTR42Y3PRPKTKX5HMZIS6HIQ","short_pith_number":"pith:POUTR42Y","canonical_record":{"source":{"id":"2608.02150","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-08-03T12:34:31Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"38b3e6a17833fbb45da1a982b24523f10c3ffc18c406dba1271c43d98c2294f3","abstract_canon_sha256":"cef7cea011eb07393d8969ef6b78aed22a8f595048cdc18b0673f5f22dabec2c"},"schema_version":"1.0"},"canonical_sha256":"7ba938f358dbe2f54d57e9d9944bc74416ab79bdb668854a9b394c15b2127910","source":{"kind":"arxiv","id":"2608.02150","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.02150","created_at":"2026-08-04T02:11:07Z"},{"alias_kind":"arxiv_version","alias_value":"2608.02150v1","created_at":"2026-08-04T02:11:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.02150","created_at":"2026-08-04T02:11:07Z"},{"alias_kind":"pith_short_12","alias_value":"POUTR42Y3PRP","created_at":"2026-08-04T02:11:07Z"},{"alias_kind":"pith_short_16","alias_value":"POUTR42Y3PRPKTKX","created_at":"2026-08-04T02:11:07Z"},{"alias_kind":"pith_short_8","alias_value":"POUTR42Y","created_at":"2026-08-04T02:11:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:POUTR42Y3PRPKTKX5HMZIS6HIQ","target":"record","payload":{"canonical_record":{"source":{"id":"2608.02150","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-08-03T12:34:31Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"38b3e6a17833fbb45da1a982b24523f10c3ffc18c406dba1271c43d98c2294f3","abstract_canon_sha256":"cef7cea011eb07393d8969ef6b78aed22a8f595048cdc18b0673f5f22dabec2c"},"schema_version":"1.0"},"canonical_sha256":"7ba938f358dbe2f54d57e9d9944bc74416ab79bdb668854a9b394c15b2127910","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-04T02:11:07.047629Z","signature_b64":"zN0qZVBn/QUcA2W6H0L9Mi9kizs5h3pQE83zxSADvu++GwXNOQXYFN5FSTuxvlY2bk2Xa6w5SxqbkGg/VTblAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7ba938f358dbe2f54d57e9d9944bc74416ab79bdb668854a9b394c15b2127910","last_reissued_at":"2026-08-04T02:11:07.045987Z","signature_status":"signed_v1","first_computed_at":"2026-08-04T02:11:07.045987Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.02150","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":"2026-08-04T02:11:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yDV3jF1GxU6MfLSw+a5lxCACDF6LSutpZ7vVV478my+lWUHO6P2rxLYjqOVpTDDIYY+nrxIZlIwNNX0H6ZXqDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:31:59.200841Z"},"content_sha256":"962d3440444c236875d0ce26c426144bdcf05e5b171636ae0a81e8488616cb5c","schema_version":"1.0","event_id":"sha256:962d3440444c236875d0ce26c426144bdcf05e5b171636ae0a81e8488616cb5c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:POUTR42Y3PRPKTKX5HMZIS6HIQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PhyCheck: Fine-Grained Evidence-Grounded Dataset for Physical Law Understanding in Video-LLMs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CV","authors_text":"Jinyang Zou, Peng Cheng, Shengwang Xu, Ting Yu, Zhan Qin, Zhibo Wang, Zhongjie Ba","submitted_at":"2026-08-03T12:34:31Z","abstract_excerpt":"Embodied intelligence and world models require video understanding systems to go beyond recognizing objects and actions and develop an understanding of physical regularities. However, despite their strong performance on general video understanding tasks, current video-language models still struggle to reliably determine whether an observed event conforms to specific physical laws. Existing benchmarks primarily assess the physical quality of generated videos, providing limited support for systematically evaluating and improving the physical-law understanding of Video Large Language Models (Vide"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.02150","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/2608.02150/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":"2026-08-04T02:11:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EmphSQYQhAnOCqqWhxFNq4jI0vbTcgab8hgEt7vqhz4ggu49vz5a27a6QNIDU2n7tZ7BbCrK7RE4SRVkH3wGCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:31:59.201392Z"},"content_sha256":"a958b820519dc3f822d0339e416769569fb0278e0adb709a7e83c5bd9624bb40","schema_version":"1.0","event_id":"sha256:a958b820519dc3f822d0339e416769569fb0278e0adb709a7e83c5bd9624bb40"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/POUTR42Y3PRPKTKX5HMZIS6HIQ/bundle.json","state_url":"https://pith.science/pith/POUTR42Y3PRPKTKX5HMZIS6HIQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/POUTR42Y3PRPKTKX5HMZIS6HIQ/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":"2026-08-04T21:31:59Z","links":{"resolver":"https://pith.science/pith/POUTR42Y3PRPKTKX5HMZIS6HIQ","bundle":"https://pith.science/pith/POUTR42Y3PRPKTKX5HMZIS6HIQ/bundle.json","state":"https://pith.science/pith/POUTR42Y3PRPKTKX5HMZIS6HIQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/POUTR42Y3PRPKTKX5HMZIS6HIQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:POUTR42Y3PRPKTKX5HMZIS6HIQ","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":"cef7cea011eb07393d8969ef6b78aed22a8f595048cdc18b0673f5f22dabec2c","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-08-03T12:34:31Z","title_canon_sha256":"38b3e6a17833fbb45da1a982b24523f10c3ffc18c406dba1271c43d98c2294f3"},"schema_version":"1.0","source":{"id":"2608.02150","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.02150","created_at":"2026-08-04T02:11:07Z"},{"alias_kind":"arxiv_version","alias_value":"2608.02150v1","created_at":"2026-08-04T02:11:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.02150","created_at":"2026-08-04T02:11:07Z"},{"alias_kind":"pith_short_12","alias_value":"POUTR42Y3PRP","created_at":"2026-08-04T02:11:07Z"},{"alias_kind":"pith_short_16","alias_value":"POUTR42Y3PRPKTKX","created_at":"2026-08-04T02:11:07Z"},{"alias_kind":"pith_short_8","alias_value":"POUTR42Y","created_at":"2026-08-04T02:11:07Z"}],"graph_snapshots":[{"event_id":"sha256:a958b820519dc3f822d0339e416769569fb0278e0adb709a7e83c5bd9624bb40","target":"graph","created_at":"2026-08-04T02:11:07Z","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/2608.02150/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Embodied intelligence and world models require video understanding systems to go beyond recognizing objects and actions and develop an understanding of physical regularities. However, despite their strong performance on general video understanding tasks, current video-language models still struggle to reliably determine whether an observed event conforms to specific physical laws. Existing benchmarks primarily assess the physical quality of generated videos, providing limited support for systematically evaluating and improving the physical-law understanding of Video Large Language Models (Vide","authors_text":"Jinyang Zou, Peng Cheng, Shengwang Xu, Ting Yu, Zhan Qin, Zhibo Wang, Zhongjie Ba","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-08-03T12:34:31Z","title":"PhyCheck: Fine-Grained Evidence-Grounded Dataset for Physical Law Understanding in Video-LLMs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.02150","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":"sha256:962d3440444c236875d0ce26c426144bdcf05e5b171636ae0a81e8488616cb5c","target":"record","created_at":"2026-08-04T02:11:07Z","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":"cef7cea011eb07393d8969ef6b78aed22a8f595048cdc18b0673f5f22dabec2c","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-08-03T12:34:31Z","title_canon_sha256":"38b3e6a17833fbb45da1a982b24523f10c3ffc18c406dba1271c43d98c2294f3"},"schema_version":"1.0","source":{"id":"2608.02150","kind":"arxiv","version":1}},"canonical_sha256":"7ba938f358dbe2f54d57e9d9944bc74416ab79bdb668854a9b394c15b2127910","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7ba938f358dbe2f54d57e9d9944bc74416ab79bdb668854a9b394c15b2127910","first_computed_at":"2026-08-04T02:11:07.045987Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-04T02:11:07.045987Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zN0qZVBn/QUcA2W6H0L9Mi9kizs5h3pQE83zxSADvu++GwXNOQXYFN5FSTuxvlY2bk2Xa6w5SxqbkGg/VTblAg==","signature_status":"signed_v1","signed_at":"2026-08-04T02:11:07.047629Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.02150","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:962d3440444c236875d0ce26c426144bdcf05e5b171636ae0a81e8488616cb5c","sha256:a958b820519dc3f822d0339e416769569fb0278e0adb709a7e83c5bd9624bb40"],"state_sha256":"3ca3c5dacfd7d99af8ab6929fc17d3334389013d350382c4590d92cb4828ad36"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QdISBackdsGQzwcZtZ8W3IqN7JPZDnGI4IHUXro1BsV/WzxogaUwKjmaDcMZ9KRQ9Nc7dk0W0EcPL+CIHi+ZCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T21:31:59.208220Z","bundle_sha256":"2b8ef648ed91f79bc1050523de2f6a2e3fa4f75c598c25e009f36b996ffa00a1"}}