{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:NQPCLWCVVD3CREYBK7T3ZBD2FC","short_pith_number":"pith:NQPCLWCV","canonical_record":{"source":{"id":"1205.1641","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2012-05-08T09:27:29Z","cross_cats_sorted":[],"title_canon_sha256":"081f88e3b4b85d97c62f54f02954a6bd50d882f2ae408535179f3d545ccf8566","abstract_canon_sha256":"3e11dcfc414ebc2c22a012eb99d49ab7fb517aed513d691aa67b5b381b3b848d"},"schema_version":"1.0"},"canonical_sha256":"6c1e25d855a8f628930157e7bc847a28b89fa8b6775aeb584aa0e8ff3e9eee79","source":{"kind":"arxiv","id":"1205.1641","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.1641","created_at":"2026-05-18T03:56:09Z"},{"alias_kind":"arxiv_version","alias_value":"1205.1641v1","created_at":"2026-05-18T03:56:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.1641","created_at":"2026-05-18T03:56:09Z"},{"alias_kind":"pith_short_12","alias_value":"NQPCLWCVVD3C","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"NQPCLWCVVD3CREYB","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"NQPCLWCV","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:NQPCLWCVVD3CREYBK7T3ZBD2FC","target":"record","payload":{"canonical_record":{"source":{"id":"1205.1641","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2012-05-08T09:27:29Z","cross_cats_sorted":[],"title_canon_sha256":"081f88e3b4b85d97c62f54f02954a6bd50d882f2ae408535179f3d545ccf8566","abstract_canon_sha256":"3e11dcfc414ebc2c22a012eb99d49ab7fb517aed513d691aa67b5b381b3b848d"},"schema_version":"1.0"},"canonical_sha256":"6c1e25d855a8f628930157e7bc847a28b89fa8b6775aeb584aa0e8ff3e9eee79","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:56:09.659821Z","signature_b64":"9nVhRjSb23Ba/8ZFlf35h5I6h360GUQgnn91ytm3nXppPpfX4E8gvMjJiWZiQ0ldQHV1hXB2EuG0En3JD+TKDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6c1e25d855a8f628930157e7bc847a28b89fa8b6775aeb584aa0e8ff3e9eee79","last_reissued_at":"2026-05-18T03:56:09.658938Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:56:09.658938Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1205.1641","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":"2026-05-18T03:56:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jloTLB+CJVB67Adumw5PQkdXQlG13Av0uKOLxEEJIZjsL0dueBWOYbcXo2XAUt2EgqtXpYbN6+iKNAWZoOp/BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T09:25:49.944879Z"},"content_sha256":"a8d7ee8f5b2186f647794e837a337dfcae50d78488205f36680cc57c2131955b","schema_version":"1.0","event_id":"sha256:a8d7ee8f5b2186f647794e837a337dfcae50d78488205f36680cc57c2131955b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:NQPCLWCVVD3CREYBK7T3ZBD2FC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Content based video retrieval systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.MM","authors_text":"B B Meshram, B V Patel","submitted_at":"2012-05-08T09:27:29Z","abstract_excerpt":"With the development of multimedia data types and available bandwidth there is huge demand of video retrieval systems, as users shift from text based retrieval systems to content based retrieval systems. Selection of extracted features play an important role in content based video retrieval regardless of video attributes being under consideration. These features are intended for selecting, indexing and ranking according to their potential interest to the user. Good features selection also allows the time and space costs of the retrieval process to be reduced. This survey reviews the interestin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.1641","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":""},"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":"2026-05-18T03:56:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PSLOlezBA2XMP73BD2BKxZ0EI6hFo3wD7CkaVFWDDgV4uWENyZwkBWFf54MaBK+8G79j3FXZdBVKkFDCMlj4Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T09:25:49.945347Z"},"content_sha256":"d0dff7af19795f09f471c0d5aa4f99bbb83b68a90dd1a57d8846c024bf34263c","schema_version":"1.0","event_id":"sha256:d0dff7af19795f09f471c0d5aa4f99bbb83b68a90dd1a57d8846c024bf34263c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NQPCLWCVVD3CREYBK7T3ZBD2FC/bundle.json","state_url":"https://pith.science/pith/NQPCLWCVVD3CREYBK7T3ZBD2FC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NQPCLWCVVD3CREYBK7T3ZBD2FC/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":"2026-08-10T09:25:49Z","links":{"resolver":"https://pith.science/pith/NQPCLWCVVD3CREYBK7T3ZBD2FC","bundle":"https://pith.science/pith/NQPCLWCVVD3CREYBK7T3ZBD2FC/bundle.json","state":"https://pith.science/pith/NQPCLWCVVD3CREYBK7T3ZBD2FC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NQPCLWCVVD3CREYBK7T3ZBD2FC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:NQPCLWCVVD3CREYBK7T3ZBD2FC","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":"3e11dcfc414ebc2c22a012eb99d49ab7fb517aed513d691aa67b5b381b3b848d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2012-05-08T09:27:29Z","title_canon_sha256":"081f88e3b4b85d97c62f54f02954a6bd50d882f2ae408535179f3d545ccf8566"},"schema_version":"1.0","source":{"id":"1205.1641","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.1641","created_at":"2026-05-18T03:56:09Z"},{"alias_kind":"arxiv_version","alias_value":"1205.1641v1","created_at":"2026-05-18T03:56:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.1641","created_at":"2026-05-18T03:56:09Z"},{"alias_kind":"pith_short_12","alias_value":"NQPCLWCVVD3C","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"NQPCLWCVVD3CREYB","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"NQPCLWCV","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:d0dff7af19795f09f471c0d5aa4f99bbb83b68a90dd1a57d8846c024bf34263c","target":"graph","created_at":"2026-05-18T03:56:09Z","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"},"paper":{"abstract_excerpt":"With the development of multimedia data types and available bandwidth there is huge demand of video retrieval systems, as users shift from text based retrieval systems to content based retrieval systems. Selection of extracted features play an important role in content based video retrieval regardless of video attributes being under consideration. These features are intended for selecting, indexing and ranking according to their potential interest to the user. Good features selection also allows the time and space costs of the retrieval process to be reduced. This survey reviews the interestin","authors_text":"B B Meshram, B V Patel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2012-05-08T09:27:29Z","title":"Content based video retrieval systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.1641","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:a8d7ee8f5b2186f647794e837a337dfcae50d78488205f36680cc57c2131955b","target":"record","created_at":"2026-05-18T03:56:09Z","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":"3e11dcfc414ebc2c22a012eb99d49ab7fb517aed513d691aa67b5b381b3b848d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2012-05-08T09:27:29Z","title_canon_sha256":"081f88e3b4b85d97c62f54f02954a6bd50d882f2ae408535179f3d545ccf8566"},"schema_version":"1.0","source":{"id":"1205.1641","kind":"arxiv","version":1}},"canonical_sha256":"6c1e25d855a8f628930157e7bc847a28b89fa8b6775aeb584aa0e8ff3e9eee79","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6c1e25d855a8f628930157e7bc847a28b89fa8b6775aeb584aa0e8ff3e9eee79","first_computed_at":"2026-05-18T03:56:09.658938Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:56:09.658938Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9nVhRjSb23Ba/8ZFlf35h5I6h360GUQgnn91ytm3nXppPpfX4E8gvMjJiWZiQ0ldQHV1hXB2EuG0En3JD+TKDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:56:09.659821Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.1641","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a8d7ee8f5b2186f647794e837a337dfcae50d78488205f36680cc57c2131955b","sha256:d0dff7af19795f09f471c0d5aa4f99bbb83b68a90dd1a57d8846c024bf34263c"],"state_sha256":"c2cc6d036e371fbb69d1cb2b3f6ce9486252a66d1bd0291809a1ab854e7d356a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GJNXgXQlciVhCPnneyEInsQ9May/vn0n07FC1N9iayM6UIa4hIqS+HIHhGuPKFbtWRb6fx3MEbm79zGw+T01Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T09:25:49.950356Z","bundle_sha256":"068520b3f5d6d6dd0049eef358d620aff2233593a2c6cb3d09f4bb6f34aef5c7"}}