{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:RYEOQWIKTG23QOOSL6JLFBDGXB","short_pith_number":"pith:RYEOQWIK","canonical_record":{"source":{"id":"2112.07969","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-12-15T08:42:49Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"8346c397da8711f62200d04ee02d9b06feb8c98abb66216a4e51aa11110bc8cb","abstract_canon_sha256":"ae0ee8ceb10962871bb1f1b6a810e62434164193ce3089ef7a6da2671c07b76a"},"schema_version":"1.0"},"canonical_sha256":"8e08e8590a99b5b839d25f92b28466b84185943f4840014612be1e0af0b7fb32","source":{"kind":"arxiv","id":"2112.07969","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.07969","created_at":"2026-07-05T03:41:09Z"},{"alias_kind":"arxiv_version","alias_value":"2112.07969v1","created_at":"2026-07-05T03:41:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.07969","created_at":"2026-07-05T03:41:09Z"},{"alias_kind":"pith_short_12","alias_value":"RYEOQWIKTG23","created_at":"2026-07-05T03:41:09Z"},{"alias_kind":"pith_short_16","alias_value":"RYEOQWIKTG23QOOS","created_at":"2026-07-05T03:41:09Z"},{"alias_kind":"pith_short_8","alias_value":"RYEOQWIK","created_at":"2026-07-05T03:41:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:RYEOQWIKTG23QOOSL6JLFBDGXB","target":"record","payload":{"canonical_record":{"source":{"id":"2112.07969","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-12-15T08:42:49Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"8346c397da8711f62200d04ee02d9b06feb8c98abb66216a4e51aa11110bc8cb","abstract_canon_sha256":"ae0ee8ceb10962871bb1f1b6a810e62434164193ce3089ef7a6da2671c07b76a"},"schema_version":"1.0"},"canonical_sha256":"8e08e8590a99b5b839d25f92b28466b84185943f4840014612be1e0af0b7fb32","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:41:09.017570Z","signature_b64":"3beC1HFFvgMDLBWafSe7zMuhzyt9fUWf4WwKgT1KvECC/JYj7IVrrhYjxh16EALLSWXENYuLAsomQvjevDXFAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8e08e8590a99b5b839d25f92b28466b84185943f4840014612be1e0af0b7fb32","last_reissued_at":"2026-07-05T03:41:09.017080Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:41:09.017080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2112.07969","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":"2026-07-05T03:41:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ycjKehAaypxFgmCP9EDnIFalBmG/9eT+qltNlTxeeS0Jr2AeNLoC44jPdCCDCDmJhA8EqCo9JtV+xLHFjbniBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:19:40.914562Z"},"content_sha256":"865697e6826c719f0db50730c365bc3e4e9c6d9c4be5542fa8b92bba90e23720","schema_version":"1.0","event_id":"sha256:865697e6826c719f0db50730c365bc3e4e9c6d9c4be5542fa8b92bba90e23720"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:RYEOQWIKTG23QOOSL6JLFBDGXB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Predicting Media Memorability: Comparing Visual, Textual and Auditory Features","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CV","authors_text":"Alan F. Smeaton, Graham Healy, Lorin Sweeney","submitted_at":"2021-12-15T08:42:49Z","abstract_excerpt":"This paper describes our approach to the Predicting Media Memorability task in MediaEval 2021, which aims to address the question of media memorability by setting the task of automatically predicting video memorability. This year we tackle the task from a comparative standpoint, looking to gain deeper insights into each of three explored modalities, and using our results from last year's submission (2020) as a point of reference. Our best performing short-term memorability model (0.132) tested on the TRECVid2019 dataset -- just like last year -- was a frame based CNN that was not trained on an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.07969","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/2112.07969/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":"2026-07-05T03:41:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2PHo9mwy303ukRVRKZn5AIO5KAiMbFsR/fTvC0lnqzXsLTNVqj7aGEf8BvjA62TGlB9vveevcX6ru/LtqnB/AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:19:40.914924Z"},"content_sha256":"6575ebdd5ae7a0310859741a6d23a8c2131a411f3863c1b73ff13370b8538c03","schema_version":"1.0","event_id":"sha256:6575ebdd5ae7a0310859741a6d23a8c2131a411f3863c1b73ff13370b8538c03"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RYEOQWIKTG23QOOSL6JLFBDGXB/bundle.json","state_url":"https://pith.science/pith/RYEOQWIKTG23QOOSL6JLFBDGXB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RYEOQWIKTG23QOOSL6JLFBDGXB/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":"2026-07-07T08:19:40Z","links":{"resolver":"https://pith.science/pith/RYEOQWIKTG23QOOSL6JLFBDGXB","bundle":"https://pith.science/pith/RYEOQWIKTG23QOOSL6JLFBDGXB/bundle.json","state":"https://pith.science/pith/RYEOQWIKTG23QOOSL6JLFBDGXB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RYEOQWIKTG23QOOSL6JLFBDGXB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:RYEOQWIKTG23QOOSL6JLFBDGXB","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":"ae0ee8ceb10962871bb1f1b6a810e62434164193ce3089ef7a6da2671c07b76a","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-12-15T08:42:49Z","title_canon_sha256":"8346c397da8711f62200d04ee02d9b06feb8c98abb66216a4e51aa11110bc8cb"},"schema_version":"1.0","source":{"id":"2112.07969","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.07969","created_at":"2026-07-05T03:41:09Z"},{"alias_kind":"arxiv_version","alias_value":"2112.07969v1","created_at":"2026-07-05T03:41:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.07969","created_at":"2026-07-05T03:41:09Z"},{"alias_kind":"pith_short_12","alias_value":"RYEOQWIKTG23","created_at":"2026-07-05T03:41:09Z"},{"alias_kind":"pith_short_16","alias_value":"RYEOQWIKTG23QOOS","created_at":"2026-07-05T03:41:09Z"},{"alias_kind":"pith_short_8","alias_value":"RYEOQWIK","created_at":"2026-07-05T03:41:09Z"}],"graph_snapshots":[{"event_id":"sha256:6575ebdd5ae7a0310859741a6d23a8c2131a411f3863c1b73ff13370b8538c03","target":"graph","created_at":"2026-07-05T03:41:09Z","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/2112.07969/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper describes our approach to the Predicting Media Memorability task in MediaEval 2021, which aims to address the question of media memorability by setting the task of automatically predicting video memorability. This year we tackle the task from a comparative standpoint, looking to gain deeper insights into each of three explored modalities, and using our results from last year's submission (2020) as a point of reference. Our best performing short-term memorability model (0.132) tested on the TRECVid2019 dataset -- just like last year -- was a frame based CNN that was not trained on an","authors_text":"Alan F. Smeaton, Graham Healy, Lorin Sweeney","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-12-15T08:42:49Z","title":"Predicting Media Memorability: Comparing Visual, Textual and Auditory Features"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.07969","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":"sha256:865697e6826c719f0db50730c365bc3e4e9c6d9c4be5542fa8b92bba90e23720","target":"record","created_at":"2026-07-05T03:41:09Z","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":"ae0ee8ceb10962871bb1f1b6a810e62434164193ce3089ef7a6da2671c07b76a","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2021-12-15T08:42:49Z","title_canon_sha256":"8346c397da8711f62200d04ee02d9b06feb8c98abb66216a4e51aa11110bc8cb"},"schema_version":"1.0","source":{"id":"2112.07969","kind":"arxiv","version":1}},"canonical_sha256":"8e08e8590a99b5b839d25f92b28466b84185943f4840014612be1e0af0b7fb32","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8e08e8590a99b5b839d25f92b28466b84185943f4840014612be1e0af0b7fb32","first_computed_at":"2026-07-05T03:41:09.017080Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:41:09.017080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3beC1HFFvgMDLBWafSe7zMuhzyt9fUWf4WwKgT1KvECC/JYj7IVrrhYjxh16EALLSWXENYuLAsomQvjevDXFAA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:41:09.017570Z","signed_message":"canonical_sha256_bytes"},"source_id":"2112.07969","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:865697e6826c719f0db50730c365bc3e4e9c6d9c4be5542fa8b92bba90e23720","sha256:6575ebdd5ae7a0310859741a6d23a8c2131a411f3863c1b73ff13370b8538c03"],"state_sha256":"ff36069be1a7933da1bc462b6ea3a5aea0e5cb252371961d3310539d14e5baca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GrZTyS26+y9R4PLCL+mCfHnWrtszA/oYx8U9NyyTeyrs6v5KTZB/EGV6KbVkVZpX//DbNYQhdlHQykK5V+FIBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T08:19:40.917100Z","bundle_sha256":"2519771814693c182028a444f455f0d08d12303b8442ec375e0781e24725d93e"}}