{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:QHNZDOLTX3FAZNCG2IFC7RO4NQ","short_pith_number":"pith:QHNZDOLT","canonical_record":{"source":{"id":"2009.14525","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2020-09-30T09:22:23Z","cross_cats_sorted":["cs.DB","cs.MM"],"title_canon_sha256":"71dbae1bf232dca13adc331b4688e4d07c0c3f6e6eca3f9c1c87c2d0e11f85a4","abstract_canon_sha256":"32170addfcc2a7dc5740f7d7958590615177ac4ae88ab3638f8b8ec90af6f9d5"},"schema_version":"1.0"},"canonical_sha256":"81db91b973beca0cb446d20a2fc5dc6c248ad0c0521a658cbcec679de035dfe4","source":{"kind":"arxiv","id":"2009.14525","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.14525","created_at":"2026-07-05T01:39:20Z"},{"alias_kind":"arxiv_version","alias_value":"2009.14525v1","created_at":"2026-07-05T01:39:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.14525","created_at":"2026-07-05T01:39:20Z"},{"alias_kind":"pith_short_12","alias_value":"QHNZDOLTX3FA","created_at":"2026-07-05T01:39:20Z"},{"alias_kind":"pith_short_16","alias_value":"QHNZDOLTX3FAZNCG","created_at":"2026-07-05T01:39:20Z"},{"alias_kind":"pith_short_8","alias_value":"QHNZDOLT","created_at":"2026-07-05T01:39:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:QHNZDOLTX3FAZNCG2IFC7RO4NQ","target":"record","payload":{"canonical_record":{"source":{"id":"2009.14525","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2020-09-30T09:22:23Z","cross_cats_sorted":["cs.DB","cs.MM"],"title_canon_sha256":"71dbae1bf232dca13adc331b4688e4d07c0c3f6e6eca3f9c1c87c2d0e11f85a4","abstract_canon_sha256":"32170addfcc2a7dc5740f7d7958590615177ac4ae88ab3638f8b8ec90af6f9d5"},"schema_version":"1.0"},"canonical_sha256":"81db91b973beca0cb446d20a2fc5dc6c248ad0c0521a658cbcec679de035dfe4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:39:20.552833Z","signature_b64":"dEV0bPT0ZxU+nb8WuL97Kl72J9aBT1ld0u6i2ov8wWsquufHx1v+M2iLwsSUWdOpKC/19JMEeZR564gTepMNAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81db91b973beca0cb446d20a2fc5dc6c248ad0c0521a658cbcec679de035dfe4","last_reissued_at":"2026-07-05T01:39:20.552390Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:39:20.552390Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2009.14525","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":"2026-07-05T01:39:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7FRRNMKSIkvsDSJVMShFjMaewHbrzqYcZ54Xc0kYcleNMZD7FqBBSJ3l2dkiU6pxOcedy4Otc+paXgsD94bEDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T15:29:27.369188Z"},"content_sha256":"eef476b365850b93bf1946fa083b1d66bb4e89fd9cb7dba6e2cded97a866834a","schema_version":"1.0","event_id":"sha256:eef476b365850b93bf1946fa083b1d66bb4e89fd9cb7dba6e2cded97a866834a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:QHNZDOLTX3FAZNCG2IFC7RO4NQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Visual Semantic Multimedia Event Model for Complex Event Detection in Video Streams","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DB","cs.MM"],"primary_cat":"cs.AI","authors_text":"Edward Curry, Piyush Yadav","submitted_at":"2020-09-30T09:22:23Z","abstract_excerpt":"Multimedia data is highly expressive and has traditionally been very difficult for a machine to interpret. Middleware systems such as complex event processing (CEP) mine patterns from data streams and send notifications to users in a timely fashion. Presently, CEP systems have inherent limitations to process multimedia streams due to its data complexity and the lack of an underlying structured data model. In this work, we present a visual event specification method to enable complex multimedia event processing by creating a semantic knowledge representation derived from low-level media streams"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.14525","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/2009.14525/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":"2026-07-05T01:39:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mpw9cqTn/z4PCdE7nOBD1eOk7TWvJWsgvlzVEzgJMJAGNy8j7YbmsoGmeYqle6K2k1U70/+cnhNkHa98zEOfDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T15:29:27.369694Z"},"content_sha256":"ba31a4c02d78d53e335098d71b0e1e4cd6f4470b387f6900e2122e8d2551c6f5","schema_version":"1.0","event_id":"sha256:ba31a4c02d78d53e335098d71b0e1e4cd6f4470b387f6900e2122e8d2551c6f5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QHNZDOLTX3FAZNCG2IFC7RO4NQ/bundle.json","state_url":"https://pith.science/pith/QHNZDOLTX3FAZNCG2IFC7RO4NQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QHNZDOLTX3FAZNCG2IFC7RO4NQ/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":"2026-08-03T15:29:27Z","links":{"resolver":"https://pith.science/pith/QHNZDOLTX3FAZNCG2IFC7RO4NQ","bundle":"https://pith.science/pith/QHNZDOLTX3FAZNCG2IFC7RO4NQ/bundle.json","state":"https://pith.science/pith/QHNZDOLTX3FAZNCG2IFC7RO4NQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QHNZDOLTX3FAZNCG2IFC7RO4NQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:QHNZDOLTX3FAZNCG2IFC7RO4NQ","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":"32170addfcc2a7dc5740f7d7958590615177ac4ae88ab3638f8b8ec90af6f9d5","cross_cats_sorted":["cs.DB","cs.MM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2020-09-30T09:22:23Z","title_canon_sha256":"71dbae1bf232dca13adc331b4688e4d07c0c3f6e6eca3f9c1c87c2d0e11f85a4"},"schema_version":"1.0","source":{"id":"2009.14525","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.14525","created_at":"2026-07-05T01:39:20Z"},{"alias_kind":"arxiv_version","alias_value":"2009.14525v1","created_at":"2026-07-05T01:39:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.14525","created_at":"2026-07-05T01:39:20Z"},{"alias_kind":"pith_short_12","alias_value":"QHNZDOLTX3FA","created_at":"2026-07-05T01:39:20Z"},{"alias_kind":"pith_short_16","alias_value":"QHNZDOLTX3FAZNCG","created_at":"2026-07-05T01:39:20Z"},{"alias_kind":"pith_short_8","alias_value":"QHNZDOLT","created_at":"2026-07-05T01:39:20Z"}],"graph_snapshots":[{"event_id":"sha256:ba31a4c02d78d53e335098d71b0e1e4cd6f4470b387f6900e2122e8d2551c6f5","target":"graph","created_at":"2026-07-05T01:39:20Z","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/2009.14525/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multimedia data is highly expressive and has traditionally been very difficult for a machine to interpret. Middleware systems such as complex event processing (CEP) mine patterns from data streams and send notifications to users in a timely fashion. Presently, CEP systems have inherent limitations to process multimedia streams due to its data complexity and the lack of an underlying structured data model. In this work, we present a visual event specification method to enable complex multimedia event processing by creating a semantic knowledge representation derived from low-level media streams","authors_text":"Edward Curry, Piyush Yadav","cross_cats":["cs.DB","cs.MM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2020-09-30T09:22:23Z","title":"Visual Semantic Multimedia Event Model for Complex Event Detection in Video Streams"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.14525","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:eef476b365850b93bf1946fa083b1d66bb4e89fd9cb7dba6e2cded97a866834a","target":"record","created_at":"2026-07-05T01:39:20Z","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":"32170addfcc2a7dc5740f7d7958590615177ac4ae88ab3638f8b8ec90af6f9d5","cross_cats_sorted":["cs.DB","cs.MM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2020-09-30T09:22:23Z","title_canon_sha256":"71dbae1bf232dca13adc331b4688e4d07c0c3f6e6eca3f9c1c87c2d0e11f85a4"},"schema_version":"1.0","source":{"id":"2009.14525","kind":"arxiv","version":1}},"canonical_sha256":"81db91b973beca0cb446d20a2fc5dc6c248ad0c0521a658cbcec679de035dfe4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81db91b973beca0cb446d20a2fc5dc6c248ad0c0521a658cbcec679de035dfe4","first_computed_at":"2026-07-05T01:39:20.552390Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:39:20.552390Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dEV0bPT0ZxU+nb8WuL97Kl72J9aBT1ld0u6i2ov8wWsquufHx1v+M2iLwsSUWdOpKC/19JMEeZR564gTepMNAw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:39:20.552833Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.14525","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eef476b365850b93bf1946fa083b1d66bb4e89fd9cb7dba6e2cded97a866834a","sha256:ba31a4c02d78d53e335098d71b0e1e4cd6f4470b387f6900e2122e8d2551c6f5"],"state_sha256":"8cfe6e335b17a6976377998e3821e1ff748ed7df1f0c3449acd76a8208e7bea5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d1Am7lQ6f81iWUrqDV0in6IYtaGBRBgboLsodnBgzBa0voGhogFIxkQqHjyLnJyzVMeVgJ5H3YB+9JxIfsU5DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T15:29:27.373527Z","bundle_sha256":"e099dabbcc36a5224ced665fcef47e482e40bab109be414b5894c869826a2096"}}