{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:TRBOZJ5BJE3QTXPITWDV3P5NYQ","short_pith_number":"pith:TRBOZJ5B","canonical_record":{"source":{"id":"2311.01091","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-11-02T08:55:28Z","cross_cats_sorted":[],"title_canon_sha256":"0bf1345241a1ef3e68fc73ef44c2325b3369532d84bb4738609d5bdbb7d44564","abstract_canon_sha256":"745938f28034f0edbfadfd5f68a3aa9d92dd58d35947b5659369cbea095dd369"},"schema_version":"1.0"},"canonical_sha256":"9c42eca7a1493709dde89d875dbfadc40300a1411a804025079cdbed098780b3","source":{"kind":"arxiv","id":"2311.01091","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.01091","created_at":"2026-07-05T07:54:05Z"},{"alias_kind":"arxiv_version","alias_value":"2311.01091v2","created_at":"2026-07-05T07:54:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.01091","created_at":"2026-07-05T07:54:05Z"},{"alias_kind":"pith_short_12","alias_value":"TRBOZJ5BJE3Q","created_at":"2026-07-05T07:54:05Z"},{"alias_kind":"pith_short_16","alias_value":"TRBOZJ5BJE3QTXPI","created_at":"2026-07-05T07:54:05Z"},{"alias_kind":"pith_short_8","alias_value":"TRBOZJ5B","created_at":"2026-07-05T07:54:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:TRBOZJ5BJE3QTXPITWDV3P5NYQ","target":"record","payload":{"canonical_record":{"source":{"id":"2311.01091","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-11-02T08:55:28Z","cross_cats_sorted":[],"title_canon_sha256":"0bf1345241a1ef3e68fc73ef44c2325b3369532d84bb4738609d5bdbb7d44564","abstract_canon_sha256":"745938f28034f0edbfadfd5f68a3aa9d92dd58d35947b5659369cbea095dd369"},"schema_version":"1.0"},"canonical_sha256":"9c42eca7a1493709dde89d875dbfadc40300a1411a804025079cdbed098780b3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:54:05.686475Z","signature_b64":"XaINFdxMLNIPS4J2k5orxvFbashDdfDDfx/8YvQR4zTOqLXBSP236RrqLFsloIVHwQmOkDlO50mupTpPhhRCAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9c42eca7a1493709dde89d875dbfadc40300a1411a804025079cdbed098780b3","last_reissued_at":"2026-07-05T07:54:05.685949Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:54:05.685949Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2311.01091","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:54:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2BBl2RLHBtusmD/a8t7yoYaoo5YjJcU9/X6YVdN2snOehc0i/gxojWs5IWfQ1wCiJTKEY0USi7RuIOtgCil9BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T19:55:19.945046Z"},"content_sha256":"de6f3b3d0b3ae8a5e27671af1550bc1ca4fb61ebfefdaae754fe683a61363f9c","schema_version":"1.0","event_id":"sha256:de6f3b3d0b3ae8a5e27671af1550bc1ca4fb61ebfefdaae754fe683a61363f9c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:TRBOZJ5BJE3QTXPITWDV3P5NYQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enriching Phrases with Coupled Pixel and Object Contexts for Panoptic Narrative Grounding","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Jiao Dai, Jizhong Han, Junshi Huang, Si Liu, Tianrui Hui, Xiaolin Wei, Xiaoming Wei, Zihan Ding","submitted_at":"2023-11-02T08:55:28Z","abstract_excerpt":"Panoptic narrative grounding (PNG) aims to segment things and stuff objects in an image described by noun phrases of a narrative caption. As a multimodal task, an essential aspect of PNG is the visual-linguistic interaction between image and caption. The previous two-stage method aggregates visual contexts from offline-generated mask proposals to phrase features, which tend to be noisy and fragmentary. The recent one-stage method aggregates only pixel contexts from image features to phrase features, which may incur semantic misalignment due to lacking object priors. To realize more comprehensi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.01091","kind":"arxiv","version":2},"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/2311.01091/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":"2026-07-05T07:54:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0RL/5A2rRggLhOQnh4LZXj261kyWdq1hs3+tIJpnElaxqIA+CF53hNZ/cL90MumZcNOHFfHWyAldXbul6um9DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T19:55:19.945601Z"},"content_sha256":"469abaf51658513f7f87a6dac55e04c9a131a5251ef7766c0a3111fbbc22aaf4","schema_version":"1.0","event_id":"sha256:469abaf51658513f7f87a6dac55e04c9a131a5251ef7766c0a3111fbbc22aaf4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TRBOZJ5BJE3QTXPITWDV3P5NYQ/bundle.json","state_url":"https://pith.science/pith/TRBOZJ5BJE3QTXPITWDV3P5NYQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TRBOZJ5BJE3QTXPITWDV3P5NYQ/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":"2026-08-21T19:55:19Z","links":{"resolver":"https://pith.science/pith/TRBOZJ5BJE3QTXPITWDV3P5NYQ","bundle":"https://pith.science/pith/TRBOZJ5BJE3QTXPITWDV3P5NYQ/bundle.json","state":"https://pith.science/pith/TRBOZJ5BJE3QTXPITWDV3P5NYQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TRBOZJ5BJE3QTXPITWDV3P5NYQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:TRBOZJ5BJE3QTXPITWDV3P5NYQ","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":"745938f28034f0edbfadfd5f68a3aa9d92dd58d35947b5659369cbea095dd369","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-11-02T08:55:28Z","title_canon_sha256":"0bf1345241a1ef3e68fc73ef44c2325b3369532d84bb4738609d5bdbb7d44564"},"schema_version":"1.0","source":{"id":"2311.01091","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.01091","created_at":"2026-07-05T07:54:05Z"},{"alias_kind":"arxiv_version","alias_value":"2311.01091v2","created_at":"2026-07-05T07:54:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.01091","created_at":"2026-07-05T07:54:05Z"},{"alias_kind":"pith_short_12","alias_value":"TRBOZJ5BJE3Q","created_at":"2026-07-05T07:54:05Z"},{"alias_kind":"pith_short_16","alias_value":"TRBOZJ5BJE3QTXPI","created_at":"2026-07-05T07:54:05Z"},{"alias_kind":"pith_short_8","alias_value":"TRBOZJ5B","created_at":"2026-07-05T07:54:05Z"}],"graph_snapshots":[{"event_id":"sha256:469abaf51658513f7f87a6dac55e04c9a131a5251ef7766c0a3111fbbc22aaf4","target":"graph","created_at":"2026-07-05T07:54:05Z","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/2311.01091/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Panoptic narrative grounding (PNG) aims to segment things and stuff objects in an image described by noun phrases of a narrative caption. As a multimodal task, an essential aspect of PNG is the visual-linguistic interaction between image and caption. The previous two-stage method aggregates visual contexts from offline-generated mask proposals to phrase features, which tend to be noisy and fragmentary. The recent one-stage method aggregates only pixel contexts from image features to phrase features, which may incur semantic misalignment due to lacking object priors. To realize more comprehensi","authors_text":"Jiao Dai, Jizhong Han, Junshi Huang, Si Liu, Tianrui Hui, Xiaolin Wei, Xiaoming Wei, Zihan Ding","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-11-02T08:55:28Z","title":"Enriching Phrases with Coupled Pixel and Object Contexts for Panoptic Narrative Grounding"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.01091","kind":"arxiv","version":2},"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:de6f3b3d0b3ae8a5e27671af1550bc1ca4fb61ebfefdaae754fe683a61363f9c","target":"record","created_at":"2026-07-05T07:54:05Z","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":"745938f28034f0edbfadfd5f68a3aa9d92dd58d35947b5659369cbea095dd369","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-11-02T08:55:28Z","title_canon_sha256":"0bf1345241a1ef3e68fc73ef44c2325b3369532d84bb4738609d5bdbb7d44564"},"schema_version":"1.0","source":{"id":"2311.01091","kind":"arxiv","version":2}},"canonical_sha256":"9c42eca7a1493709dde89d875dbfadc40300a1411a804025079cdbed098780b3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9c42eca7a1493709dde89d875dbfadc40300a1411a804025079cdbed098780b3","first_computed_at":"2026-07-05T07:54:05.685949Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:54:05.685949Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XaINFdxMLNIPS4J2k5orxvFbashDdfDDfx/8YvQR4zTOqLXBSP236RrqLFsloIVHwQmOkDlO50mupTpPhhRCAA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:54:05.686475Z","signed_message":"canonical_sha256_bytes"},"source_id":"2311.01091","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:de6f3b3d0b3ae8a5e27671af1550bc1ca4fb61ebfefdaae754fe683a61363f9c","sha256:469abaf51658513f7f87a6dac55e04c9a131a5251ef7766c0a3111fbbc22aaf4"],"state_sha256":"61be7d94456f227ea231f6858212294e517de70c9a6e2829e6989e7a518bbbd1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0TXS5DY+QBvwQkFUh/84toIH/q2xcwVxXdFCqMfZ8vhZdrwGfK8tmFrAbh0B42IordCsLa619Ba9xOJjBnHzDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T19:55:19.949437Z","bundle_sha256":"2986dc001cd46c479569d1d298bd845b14da5a3cb308d52211e3e47f01ab37d3"}}