{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:K55DDUOYWD3TRP42654MP7T3AJ","short_pith_number":"pith:K55DDUOY","canonical_record":{"source":{"id":"1009.5778","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2010-09-29T06:05:19Z","cross_cats_sorted":[],"title_canon_sha256":"29f41719a329f9f01c4a59e947a02f930af175d35f13890807dd18b869d76937","abstract_canon_sha256":"4f50f5c14f1173df446cec102b9ea2d7ee0b2fa9f8a306661ec9a6b44740674d"},"schema_version":"1.0"},"canonical_sha256":"577a31d1d8b0f738bf9af778c7fe7b0274168b0822f37d5f51316a47626585a2","source":{"kind":"arxiv","id":"1009.5778","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.5778","created_at":"2026-05-18T04:40:08Z"},{"alias_kind":"arxiv_version","alias_value":"1009.5778v1","created_at":"2026-05-18T04:40:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.5778","created_at":"2026-05-18T04:40:08Z"},{"alias_kind":"pith_short_12","alias_value":"K55DDUOYWD3T","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"K55DDUOYWD3TRP42","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"K55DDUOY","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:K55DDUOYWD3TRP42654MP7T3AJ","target":"record","payload":{"canonical_record":{"source":{"id":"1009.5778","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2010-09-29T06:05:19Z","cross_cats_sorted":[],"title_canon_sha256":"29f41719a329f9f01c4a59e947a02f930af175d35f13890807dd18b869d76937","abstract_canon_sha256":"4f50f5c14f1173df446cec102b9ea2d7ee0b2fa9f8a306661ec9a6b44740674d"},"schema_version":"1.0"},"canonical_sha256":"577a31d1d8b0f738bf9af778c7fe7b0274168b0822f37d5f51316a47626585a2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:40:08.918913Z","signature_b64":"EnozevUu8kKm42m9rRbTzshGT1cXKAsec8fr8Kfbw8ED+YKGhppGVf6dfAsRklA1q7wCUDhD+nnIJNw8uaIIAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"577a31d1d8b0f738bf9af778c7fe7b0274168b0822f37d5f51316a47626585a2","last_reissued_at":"2026-05-18T04:40:08.918406Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:40:08.918406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1009.5778","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":"2026-05-18T04:40:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oRDhPbXVqRsHIrS+aDvSMqDhj6FqE6R+Mi5i5/wd6N4dM3J68uuJxRviHL3Ogs5Y3JP0jpRE5OVQMkn2H3ouAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T20:48:38.722847Z"},"content_sha256":"c55bc810c9b4a884c6ede48c56e6c896f363d0db797fd08801dad5b78b91703d","schema_version":"1.0","event_id":"sha256:c55bc810c9b4a884c6ede48c56e6c896f363d0db797fd08801dad5b78b91703d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:K55DDUOYWD3TRP42654MP7T3AJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hierarchical mixture models for assessing fingerprint individuality","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"stat.AP","authors_text":"Mingfei Li, Sarat C. Dass","submitted_at":"2010-09-29T06:05:19Z","abstract_excerpt":"The study of fingerprint individuality aims to determine to what extent a fingerprint uniquely identifies an individual. Recent court cases have highlighted the need for measures of fingerprint individuality when a person is identified based on fingerprint evidence. The main challenge in studies of fingerprint individuality is to adequately capture the variability of fingerprint features in a population. In this paper hierarchical mixture models are introduced to infer the extent of individualization. Hierarchical mixtures utilize complementary aspects of mixtures at different levels of the hi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.5778","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":"2026-05-18T04:40:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9zHBCVcHDA+8UGMapIsh+/5UtmXCtjR3o3wdu5I8UY7Yl2NQbIbOORzdlBFgDzw1opJr7ONQJzKExsfY0fENBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T20:48:38.723498Z"},"content_sha256":"10fb99fba8168de1b347d824aee2bf540691a4832184c050831296683a6d8ccd","schema_version":"1.0","event_id":"sha256:10fb99fba8168de1b347d824aee2bf540691a4832184c050831296683a6d8ccd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K55DDUOYWD3TRP42654MP7T3AJ/bundle.json","state_url":"https://pith.science/pith/K55DDUOYWD3TRP42654MP7T3AJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K55DDUOYWD3TRP42654MP7T3AJ/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":"2026-05-31T20:48:38Z","links":{"resolver":"https://pith.science/pith/K55DDUOYWD3TRP42654MP7T3AJ","bundle":"https://pith.science/pith/K55DDUOYWD3TRP42654MP7T3AJ/bundle.json","state":"https://pith.science/pith/K55DDUOYWD3TRP42654MP7T3AJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K55DDUOYWD3TRP42654MP7T3AJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:K55DDUOYWD3TRP42654MP7T3AJ","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":"4f50f5c14f1173df446cec102b9ea2d7ee0b2fa9f8a306661ec9a6b44740674d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2010-09-29T06:05:19Z","title_canon_sha256":"29f41719a329f9f01c4a59e947a02f930af175d35f13890807dd18b869d76937"},"schema_version":"1.0","source":{"id":"1009.5778","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.5778","created_at":"2026-05-18T04:40:08Z"},{"alias_kind":"arxiv_version","alias_value":"1009.5778v1","created_at":"2026-05-18T04:40:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.5778","created_at":"2026-05-18T04:40:08Z"},{"alias_kind":"pith_short_12","alias_value":"K55DDUOYWD3T","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"K55DDUOYWD3TRP42","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"K55DDUOY","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:10fb99fba8168de1b347d824aee2bf540691a4832184c050831296683a6d8ccd","target":"graph","created_at":"2026-05-18T04:40:08Z","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":"The study of fingerprint individuality aims to determine to what extent a fingerprint uniquely identifies an individual. Recent court cases have highlighted the need for measures of fingerprint individuality when a person is identified based on fingerprint evidence. The main challenge in studies of fingerprint individuality is to adequately capture the variability of fingerprint features in a population. In this paper hierarchical mixture models are introduced to infer the extent of individualization. Hierarchical mixtures utilize complementary aspects of mixtures at different levels of the hi","authors_text":"Mingfei Li, Sarat C. Dass","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2010-09-29T06:05:19Z","title":"Hierarchical mixture models for assessing fingerprint individuality"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.5778","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:c55bc810c9b4a884c6ede48c56e6c896f363d0db797fd08801dad5b78b91703d","target":"record","created_at":"2026-05-18T04:40:08Z","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":"4f50f5c14f1173df446cec102b9ea2d7ee0b2fa9f8a306661ec9a6b44740674d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2010-09-29T06:05:19Z","title_canon_sha256":"29f41719a329f9f01c4a59e947a02f930af175d35f13890807dd18b869d76937"},"schema_version":"1.0","source":{"id":"1009.5778","kind":"arxiv","version":1}},"canonical_sha256":"577a31d1d8b0f738bf9af778c7fe7b0274168b0822f37d5f51316a47626585a2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"577a31d1d8b0f738bf9af778c7fe7b0274168b0822f37d5f51316a47626585a2","first_computed_at":"2026-05-18T04:40:08.918406Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:40:08.918406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EnozevUu8kKm42m9rRbTzshGT1cXKAsec8fr8Kfbw8ED+YKGhppGVf6dfAsRklA1q7wCUDhD+nnIJNw8uaIIAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:40:08.918913Z","signed_message":"canonical_sha256_bytes"},"source_id":"1009.5778","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c55bc810c9b4a884c6ede48c56e6c896f363d0db797fd08801dad5b78b91703d","sha256:10fb99fba8168de1b347d824aee2bf540691a4832184c050831296683a6d8ccd"],"state_sha256":"f3eea8b2a710aba35dee5a772e81a63aeccadafaf4c980da7aaf2593ca74a61f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c+YD2Nt1XT6Jy7akCboKtaIj5UsOiFI8JMA4LIB12kmIrXfTeL1PkiosjgnqwZTw4E8JUQB6fP0KNtPkdtk2Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T20:48:38.726731Z","bundle_sha256":"b8540bcba47a0888bb8c2d853561d892da0ef2739f05ba559abba1c42034caa3"}}