{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:JAKE5Y7X7HYTDQWRJKIEMDNMTN","short_pith_number":"pith:JAKE5Y7X","canonical_record":{"source":{"id":"2201.04027","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-01-11T16:15:25Z","cross_cats_sorted":[],"title_canon_sha256":"5569f073138702a2d6054757ae1eaa732c56b8b7c328ce29618f52475eb3cbdc","abstract_canon_sha256":"06486d5bdd1d1e19490c018c631b19a45d33d17f929bbdb484bed70481b7116c"},"schema_version":"1.0"},"canonical_sha256":"48144ee3f7f9f131c2d14a90460dac9b6e9f28c2a8f849a5292a4a37e7b5b043","source":{"kind":"arxiv","id":"2201.04027","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.04027","created_at":"2026-07-05T03:47:36Z"},{"alias_kind":"arxiv_version","alias_value":"2201.04027v1","created_at":"2026-07-05T03:47:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.04027","created_at":"2026-07-05T03:47:36Z"},{"alias_kind":"pith_short_12","alias_value":"JAKE5Y7X7HYT","created_at":"2026-07-05T03:47:36Z"},{"alias_kind":"pith_short_16","alias_value":"JAKE5Y7X7HYTDQWR","created_at":"2026-07-05T03:47:36Z"},{"alias_kind":"pith_short_8","alias_value":"JAKE5Y7X","created_at":"2026-07-05T03:47:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:JAKE5Y7X7HYTDQWRJKIEMDNMTN","target":"record","payload":{"canonical_record":{"source":{"id":"2201.04027","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-01-11T16:15:25Z","cross_cats_sorted":[],"title_canon_sha256":"5569f073138702a2d6054757ae1eaa732c56b8b7c328ce29618f52475eb3cbdc","abstract_canon_sha256":"06486d5bdd1d1e19490c018c631b19a45d33d17f929bbdb484bed70481b7116c"},"schema_version":"1.0"},"canonical_sha256":"48144ee3f7f9f131c2d14a90460dac9b6e9f28c2a8f849a5292a4a37e7b5b043","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:47:36.765019Z","signature_b64":"GW6Bf0uA1+Ffd5wgi2azPOqU1yb8zTGYzX3rO+yJ1HlPcP06/Z6ZsFsnH/hVKtRWePBR5xw/keFmtIhMsKUFDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"48144ee3f7f9f131c2d14a90460dac9b6e9f28c2a8f849a5292a4a37e7b5b043","last_reissued_at":"2026-07-05T03:47:36.764630Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:47:36.764630Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2201.04027","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":"2026-07-05T03:47:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iFlxM/BjmeShqjS36Ohw8/p9I24Dbbtp1ihj3sZZuXIBlPCVOcaGATr5O4AQqx1v7S7GkHXZ5evgT7A5zDsbCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T22:48:02.569325Z"},"content_sha256":"ff3486d91c79591b4549e68bbf94b6ef471a6357e7af27bceca8995e021448d5","schema_version":"1.0","event_id":"sha256:ff3486d91c79591b4549e68bbf94b6ef471a6357e7af27bceca8995e021448d5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:JAKE5Y7X7HYTDQWRJKIEMDNMTN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Representing Videos as Discriminative Sub-graphs for Action Recognition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Dong Li, Houqiang Li, Tao Mei, Ting Yao, Yingwei Pan, Zhaofan Qiu","submitted_at":"2022-01-11T16:15:25Z","abstract_excerpt":"Human actions are typically of combinatorial structures or patterns, i.e., subjects, objects, plus spatio-temporal interactions in between. Discovering such structures is therefore a rewarding way to reason about the dynamics of interactions and recognize the actions. In this paper, we introduce a new design of sub-graphs to represent and encode the discriminative patterns of each action in the videos. Specifically, we present MUlti-scale Sub-graph LEarning (MUSLE) framework that novelly builds space-time graphs and clusters the graphs into compact sub-graphs on each scale with respect to the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.04027","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/2201.04027/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":"2026-07-05T03:47:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kjYsH2B50MCaUDKPimgz04tawdtJN0sqXyuFO8Vuxa/YAM98cqJzpnUdDWKzQJOpKLQTFddfmxcVUvvdbt3gCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T22:48:02.569820Z"},"content_sha256":"d328af720a7aeee4ceb37118de4962af06f92533f9adaff5125063ad3464f43e","schema_version":"1.0","event_id":"sha256:d328af720a7aeee4ceb37118de4962af06f92533f9adaff5125063ad3464f43e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JAKE5Y7X7HYTDQWRJKIEMDNMTN/bundle.json","state_url":"https://pith.science/pith/JAKE5Y7X7HYTDQWRJKIEMDNMTN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JAKE5Y7X7HYTDQWRJKIEMDNMTN/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":"2026-08-18T22:48:02Z","links":{"resolver":"https://pith.science/pith/JAKE5Y7X7HYTDQWRJKIEMDNMTN","bundle":"https://pith.science/pith/JAKE5Y7X7HYTDQWRJKIEMDNMTN/bundle.json","state":"https://pith.science/pith/JAKE5Y7X7HYTDQWRJKIEMDNMTN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JAKE5Y7X7HYTDQWRJKIEMDNMTN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:JAKE5Y7X7HYTDQWRJKIEMDNMTN","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":"06486d5bdd1d1e19490c018c631b19a45d33d17f929bbdb484bed70481b7116c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-01-11T16:15:25Z","title_canon_sha256":"5569f073138702a2d6054757ae1eaa732c56b8b7c328ce29618f52475eb3cbdc"},"schema_version":"1.0","source":{"id":"2201.04027","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.04027","created_at":"2026-07-05T03:47:36Z"},{"alias_kind":"arxiv_version","alias_value":"2201.04027v1","created_at":"2026-07-05T03:47:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.04027","created_at":"2026-07-05T03:47:36Z"},{"alias_kind":"pith_short_12","alias_value":"JAKE5Y7X7HYT","created_at":"2026-07-05T03:47:36Z"},{"alias_kind":"pith_short_16","alias_value":"JAKE5Y7X7HYTDQWR","created_at":"2026-07-05T03:47:36Z"},{"alias_kind":"pith_short_8","alias_value":"JAKE5Y7X","created_at":"2026-07-05T03:47:36Z"}],"graph_snapshots":[{"event_id":"sha256:d328af720a7aeee4ceb37118de4962af06f92533f9adaff5125063ad3464f43e","target":"graph","created_at":"2026-07-05T03:47:36Z","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/2201.04027/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Human actions are typically of combinatorial structures or patterns, i.e., subjects, objects, plus spatio-temporal interactions in between. Discovering such structures is therefore a rewarding way to reason about the dynamics of interactions and recognize the actions. In this paper, we introduce a new design of sub-graphs to represent and encode the discriminative patterns of each action in the videos. Specifically, we present MUlti-scale Sub-graph LEarning (MUSLE) framework that novelly builds space-time graphs and clusters the graphs into compact sub-graphs on each scale with respect to the ","authors_text":"Dong Li, Houqiang Li, Tao Mei, Ting Yao, Yingwei Pan, Zhaofan Qiu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-01-11T16:15:25Z","title":"Representing Videos as Discriminative Sub-graphs for Action Recognition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.04027","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:ff3486d91c79591b4549e68bbf94b6ef471a6357e7af27bceca8995e021448d5","target":"record","created_at":"2026-07-05T03:47:36Z","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":"06486d5bdd1d1e19490c018c631b19a45d33d17f929bbdb484bed70481b7116c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-01-11T16:15:25Z","title_canon_sha256":"5569f073138702a2d6054757ae1eaa732c56b8b7c328ce29618f52475eb3cbdc"},"schema_version":"1.0","source":{"id":"2201.04027","kind":"arxiv","version":1}},"canonical_sha256":"48144ee3f7f9f131c2d14a90460dac9b6e9f28c2a8f849a5292a4a37e7b5b043","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"48144ee3f7f9f131c2d14a90460dac9b6e9f28c2a8f849a5292a4a37e7b5b043","first_computed_at":"2026-07-05T03:47:36.764630Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:47:36.764630Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GW6Bf0uA1+Ffd5wgi2azPOqU1yb8zTGYzX3rO+yJ1HlPcP06/Z6ZsFsnH/hVKtRWePBR5xw/keFmtIhMsKUFDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:47:36.765019Z","signed_message":"canonical_sha256_bytes"},"source_id":"2201.04027","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ff3486d91c79591b4549e68bbf94b6ef471a6357e7af27bceca8995e021448d5","sha256:d328af720a7aeee4ceb37118de4962af06f92533f9adaff5125063ad3464f43e"],"state_sha256":"05b3ad5b42ba1fb7f4a20d1ab709959fbf64c6edf4049da1eefc11289e401ab1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x66GbVQm0hVj83vb8U3W0nH08EZv4lats5I7ZgQDTvK4nH3iS4uBjDHv5Dts4vS4ysmKZhueNMtKVQCNs4BXBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T22:48:02.574264Z","bundle_sha256":"346ada1c62d7dd9460bdc92115c54747275c9900a836542f57eed42dc1b605c6"}}