{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:TK44BXACJJKD5GZIYA5YRVNVAW","short_pith_number":"pith:TK44BXAC","canonical_record":{"source":{"id":"2103.14785","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-03-27T02:12:28Z","cross_cats_sorted":["cs.CL"],"title_canon_sha256":"121aeac1dead6e30e1a1bb35fce820a26b8c17d04c4e047256ddabab76655071","abstract_canon_sha256":"d0181cf068c3b7d2e19b4b9fd79faa995ed7c92e75f73621b0155064d99aa69e"},"schema_version":"1.0"},"canonical_sha256":"9ab9c0dc024a543e9b28c03b88d5b505954c05242336f33451dbca6251ff6f2e","source":{"kind":"arxiv","id":"2103.14785","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.14785","created_at":"2026-07-05T03:36:36Z"},{"alias_kind":"arxiv_version","alias_value":"2103.14785v3","created_at":"2026-07-05T03:36:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.14785","created_at":"2026-07-05T03:36:36Z"},{"alias_kind":"pith_short_12","alias_value":"TK44BXACJJKD","created_at":"2026-07-05T03:36:36Z"},{"alias_kind":"pith_short_16","alias_value":"TK44BXACJJKD5GZI","created_at":"2026-07-05T03:36:36Z"},{"alias_kind":"pith_short_8","alias_value":"TK44BXAC","created_at":"2026-07-05T03:36:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:TK44BXACJJKD5GZIYA5YRVNVAW","target":"record","payload":{"canonical_record":{"source":{"id":"2103.14785","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-03-27T02:12:28Z","cross_cats_sorted":["cs.CL"],"title_canon_sha256":"121aeac1dead6e30e1a1bb35fce820a26b8c17d04c4e047256ddabab76655071","abstract_canon_sha256":"d0181cf068c3b7d2e19b4b9fd79faa995ed7c92e75f73621b0155064d99aa69e"},"schema_version":"1.0"},"canonical_sha256":"9ab9c0dc024a543e9b28c03b88d5b505954c05242336f33451dbca6251ff6f2e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:36:36.537429Z","signature_b64":"5YiOj6+zgUWlFyz/uGDFClCPB+wPpCgkiXwofbpV/qZXd4r6LTuKgrn02n0djSlxJpfm9cxvU2HwZcuJE2DMDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9ab9c0dc024a543e9b28c03b88d5b505954c05242336f33451dbca6251ff6f2e","last_reissued_at":"2026-07-05T03:36:36.537005Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:36:36.537005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2103.14785","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:36:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"emZb7wf//806A8qQh+sYXubrW/v0CAsGUOcp0mPmP3u8CLpWhOiEOQOZe5wpJm3Xd1UIodz0SzhitFjQRjuKDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T10:59:56.694694Z"},"content_sha256":"eee20a43943f1fabf6923012622f944543760f88cb5b9c2a50103ccbde54e450","schema_version":"1.0","event_id":"sha256:eee20a43943f1fabf6923012622f944543760f88cb5b9c2a50103ccbde54e450"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:TK44BXACJJKD5GZIYA5YRVNVAW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Comprehensive Review of the Video-to-Text Problem","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CL"],"primary_cat":"cs.CV","authors_text":"Benjamin Bustos, Grethel Coello Said, Ivan Sipiran, Jesus Perez-Martin, Jorge P\\'erez, Silvio Jamil F. Guimar\\~aes","submitted_at":"2021-03-27T02:12:28Z","abstract_excerpt":"Research in the Vision and Language area encompasses challenging topics that seek to connect visual and textual information. When the visual information is related to videos, this takes us into Video-Text Research, which includes several challenging tasks such as video question answering, video summarization with natural language, and video-to-text and text-to-video conversion. This paper reviews the video-to-text problem, in which the goal is to associate an input video with its textual description. This association can be mainly made by retrieving the most relevant descriptions from a corpus"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.14785","kind":"arxiv","version":3},"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/2103.14785/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":"2026-07-05T03:36:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PQAHGJBnIThjDrrQq2SHv2+UaKbDM36wAGsZ1Zro1Mvs4cD+e9sKl7IiQhrX9ceQQuMRcvRUfxRJcwzCGJNTBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T10:59:56.695092Z"},"content_sha256":"4b62ff6fe9f316f28a28e1dec99408b373e2402620680c42aaf678c6effabd20","schema_version":"1.0","event_id":"sha256:4b62ff6fe9f316f28a28e1dec99408b373e2402620680c42aaf678c6effabd20"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TK44BXACJJKD5GZIYA5YRVNVAW/bundle.json","state_url":"https://pith.science/pith/TK44BXACJJKD5GZIYA5YRVNVAW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TK44BXACJJKD5GZIYA5YRVNVAW/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":"2026-08-07T10:59:56Z","links":{"resolver":"https://pith.science/pith/TK44BXACJJKD5GZIYA5YRVNVAW","bundle":"https://pith.science/pith/TK44BXACJJKD5GZIYA5YRVNVAW/bundle.json","state":"https://pith.science/pith/TK44BXACJJKD5GZIYA5YRVNVAW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TK44BXACJJKD5GZIYA5YRVNVAW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:TK44BXACJJKD5GZIYA5YRVNVAW","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":"d0181cf068c3b7d2e19b4b9fd79faa995ed7c92e75f73621b0155064d99aa69e","cross_cats_sorted":["cs.CL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-03-27T02:12:28Z","title_canon_sha256":"121aeac1dead6e30e1a1bb35fce820a26b8c17d04c4e047256ddabab76655071"},"schema_version":"1.0","source":{"id":"2103.14785","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.14785","created_at":"2026-07-05T03:36:36Z"},{"alias_kind":"arxiv_version","alias_value":"2103.14785v3","created_at":"2026-07-05T03:36:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.14785","created_at":"2026-07-05T03:36:36Z"},{"alias_kind":"pith_short_12","alias_value":"TK44BXACJJKD","created_at":"2026-07-05T03:36:36Z"},{"alias_kind":"pith_short_16","alias_value":"TK44BXACJJKD5GZI","created_at":"2026-07-05T03:36:36Z"},{"alias_kind":"pith_short_8","alias_value":"TK44BXAC","created_at":"2026-07-05T03:36:36Z"}],"graph_snapshots":[{"event_id":"sha256:4b62ff6fe9f316f28a28e1dec99408b373e2402620680c42aaf678c6effabd20","target":"graph","created_at":"2026-07-05T03:36:36Z","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/2103.14785/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Research in the Vision and Language area encompasses challenging topics that seek to connect visual and textual information. When the visual information is related to videos, this takes us into Video-Text Research, which includes several challenging tasks such as video question answering, video summarization with natural language, and video-to-text and text-to-video conversion. This paper reviews the video-to-text problem, in which the goal is to associate an input video with its textual description. This association can be mainly made by retrieving the most relevant descriptions from a corpus","authors_text":"Benjamin Bustos, Grethel Coello Said, Ivan Sipiran, Jesus Perez-Martin, Jorge P\\'erez, Silvio Jamil F. Guimar\\~aes","cross_cats":["cs.CL"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-03-27T02:12:28Z","title":"A Comprehensive Review of the Video-to-Text Problem"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.14785","kind":"arxiv","version":3},"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:eee20a43943f1fabf6923012622f944543760f88cb5b9c2a50103ccbde54e450","target":"record","created_at":"2026-07-05T03:36:36Z","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":"d0181cf068c3b7d2e19b4b9fd79faa995ed7c92e75f73621b0155064d99aa69e","cross_cats_sorted":["cs.CL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-03-27T02:12:28Z","title_canon_sha256":"121aeac1dead6e30e1a1bb35fce820a26b8c17d04c4e047256ddabab76655071"},"schema_version":"1.0","source":{"id":"2103.14785","kind":"arxiv","version":3}},"canonical_sha256":"9ab9c0dc024a543e9b28c03b88d5b505954c05242336f33451dbca6251ff6f2e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9ab9c0dc024a543e9b28c03b88d5b505954c05242336f33451dbca6251ff6f2e","first_computed_at":"2026-07-05T03:36:36.537005Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:36:36.537005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5YiOj6+zgUWlFyz/uGDFClCPB+wPpCgkiXwofbpV/qZXd4r6LTuKgrn02n0djSlxJpfm9cxvU2HwZcuJE2DMDw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:36:36.537429Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.14785","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eee20a43943f1fabf6923012622f944543760f88cb5b9c2a50103ccbde54e450","sha256:4b62ff6fe9f316f28a28e1dec99408b373e2402620680c42aaf678c6effabd20"],"state_sha256":"995b1d2cc2c8b0038930e83c46fe820fdf4546a317333494b4d47fea3fef4ac2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z9EwJ5OfgVttAH11pYug0sSfQi5ju5e0UolmH7Xxy/bobB+DZR/cTEsPlTgbNS5CNWyWNFRFFW8ecbp9B5n+CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T10:59:56.697909Z","bundle_sha256":"4ccdac7d28d1f0f611a66605ad6af7f10e34b179677831d6a5046bea5f4ceebc"}}