{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:E6BMCIBDFWT2HC7SVM3Z6WU324","short_pith_number":"pith:E6BMCIBD","canonical_record":{"source":{"id":"1708.02158","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2017-08-07T15:19:19Z","cross_cats_sorted":[],"title_canon_sha256":"a239d5755159e83430bd22908fae7adbe18c4518cfc30267576d0dbda0839c5f","abstract_canon_sha256":"9af5e19a724cb2a82f4a1eabec7a12e28ed7fc1df90c1b821adb9824e0780684"},"schema_version":"1.0"},"canonical_sha256":"2782c120232da7a38bf2ab379f5a9bd733bc48fb9d9d7eab4d339a86104c28f6","source":{"kind":"arxiv","id":"1708.02158","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.02158","created_at":"2026-05-18T00:38:31Z"},{"alias_kind":"arxiv_version","alias_value":"1708.02158v1","created_at":"2026-05-18T00:38:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.02158","created_at":"2026-05-18T00:38:31Z"},{"alias_kind":"pith_short_12","alias_value":"E6BMCIBDFWT2","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"E6BMCIBDFWT2HC7S","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"E6BMCIBD","created_at":"2026-05-18T12:31:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:E6BMCIBDFWT2HC7SVM3Z6WU324","target":"record","payload":{"canonical_record":{"source":{"id":"1708.02158","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2017-08-07T15:19:19Z","cross_cats_sorted":[],"title_canon_sha256":"a239d5755159e83430bd22908fae7adbe18c4518cfc30267576d0dbda0839c5f","abstract_canon_sha256":"9af5e19a724cb2a82f4a1eabec7a12e28ed7fc1df90c1b821adb9824e0780684"},"schema_version":"1.0"},"canonical_sha256":"2782c120232da7a38bf2ab379f5a9bd733bc48fb9d9d7eab4d339a86104c28f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:31.917110Z","signature_b64":"zRZo8QNk9nG+V4WSwxS/71TSjoYV+neVK1mqRCGtbG+z3+DiTTIxqG0k2CbRGazhi2DDQM74XDjFAMNtcDdnCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2782c120232da7a38bf2ab379f5a9bd733bc48fb9d9d7eab4d339a86104c28f6","last_reissued_at":"2026-05-18T00:38:31.916658Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:31.916658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.02158","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":"2026-05-18T00:38:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MpLhyLs+P9wNXcZpMfK7AGwyHIGfh2V83E/FjLGlsUlwnsTX/nOSxpjRgvB4Gfnh/ytBJHhJsn5blj8C6KFhAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T23:03:58.854220Z"},"content_sha256":"b5eec6fbcd3cf5e6dcc881e86d277724b6d7f0d96f7572b4fe3f02c5fe869364","schema_version":"1.0","event_id":"sha256:b5eec6fbcd3cf5e6dcc881e86d277724b6d7f0d96f7572b4fe3f02c5fe869364"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:E6BMCIBDFWT2HC7SVM3Z6WU324","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"M\\\"obius Moduli for Fingerprint Orientation Fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"stat.AP","authors_text":"Carsten Gottschlich, Christina Imdahl, Ken'ichi Ohshika, Stephan Huckemann","submitted_at":"2017-08-07T15:19:19Z","abstract_excerpt":"We propose a novel fingerprint descriptor, namely M\\\"obius moduli, measuring local deviation of orientation fields (OF) of fingerprints from conformal fields, and we propose a method to robustly measure them, based on tetraquadrilaterals to approximate a conformal modulus locally with one due to a M\\\"obius transformation. Conformal fields arise by the approximation of fingerprint OFs given by zero pole models, which are determined by the singular points and a rotation. This approximation is very coarse, e.g. for fingerprints with no singular points (arch type), the zero-pole model's OF has par"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.02158","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":"2026-05-18T00:38:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i4X3Z/9qgrLs1c8wTzAHl6PcbP8CR7g9J6cfAMenHYWzEeeGQXphu2B+QiFJq29PRL7CUzcTYokzrem1JCRgDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T23:03:58.854971Z"},"content_sha256":"d719149b5c2522945906e85980dae1944ff3f06da68c9fca3f575e103885854c","schema_version":"1.0","event_id":"sha256:d719149b5c2522945906e85980dae1944ff3f06da68c9fca3f575e103885854c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E6BMCIBDFWT2HC7SVM3Z6WU324/bundle.json","state_url":"https://pith.science/pith/E6BMCIBDFWT2HC7SVM3Z6WU324/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E6BMCIBDFWT2HC7SVM3Z6WU324/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":"2026-05-31T23:03:58Z","links":{"resolver":"https://pith.science/pith/E6BMCIBDFWT2HC7SVM3Z6WU324","bundle":"https://pith.science/pith/E6BMCIBDFWT2HC7SVM3Z6WU324/bundle.json","state":"https://pith.science/pith/E6BMCIBDFWT2HC7SVM3Z6WU324/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E6BMCIBDFWT2HC7SVM3Z6WU324/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:E6BMCIBDFWT2HC7SVM3Z6WU324","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":"9af5e19a724cb2a82f4a1eabec7a12e28ed7fc1df90c1b821adb9824e0780684","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2017-08-07T15:19:19Z","title_canon_sha256":"a239d5755159e83430bd22908fae7adbe18c4518cfc30267576d0dbda0839c5f"},"schema_version":"1.0","source":{"id":"1708.02158","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.02158","created_at":"2026-05-18T00:38:31Z"},{"alias_kind":"arxiv_version","alias_value":"1708.02158v1","created_at":"2026-05-18T00:38:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.02158","created_at":"2026-05-18T00:38:31Z"},{"alias_kind":"pith_short_12","alias_value":"E6BMCIBDFWT2","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"E6BMCIBDFWT2HC7S","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"E6BMCIBD","created_at":"2026-05-18T12:31:12Z"}],"graph_snapshots":[{"event_id":"sha256:d719149b5c2522945906e85980dae1944ff3f06da68c9fca3f575e103885854c","target":"graph","created_at":"2026-05-18T00:38:31Z","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":"We propose a novel fingerprint descriptor, namely M\\\"obius moduli, measuring local deviation of orientation fields (OF) of fingerprints from conformal fields, and we propose a method to robustly measure them, based on tetraquadrilaterals to approximate a conformal modulus locally with one due to a M\\\"obius transformation. Conformal fields arise by the approximation of fingerprint OFs given by zero pole models, which are determined by the singular points and a rotation. This approximation is very coarse, e.g. for fingerprints with no singular points (arch type), the zero-pole model's OF has par","authors_text":"Carsten Gottschlich, Christina Imdahl, Ken'ichi Ohshika, Stephan Huckemann","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2017-08-07T15:19:19Z","title":"M\\\"obius Moduli for Fingerprint Orientation Fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.02158","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:b5eec6fbcd3cf5e6dcc881e86d277724b6d7f0d96f7572b4fe3f02c5fe869364","target":"record","created_at":"2026-05-18T00:38:31Z","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":"9af5e19a724cb2a82f4a1eabec7a12e28ed7fc1df90c1b821adb9824e0780684","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2017-08-07T15:19:19Z","title_canon_sha256":"a239d5755159e83430bd22908fae7adbe18c4518cfc30267576d0dbda0839c5f"},"schema_version":"1.0","source":{"id":"1708.02158","kind":"arxiv","version":1}},"canonical_sha256":"2782c120232da7a38bf2ab379f5a9bd733bc48fb9d9d7eab4d339a86104c28f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2782c120232da7a38bf2ab379f5a9bd733bc48fb9d9d7eab4d339a86104c28f6","first_computed_at":"2026-05-18T00:38:31.916658Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:31.916658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zRZo8QNk9nG+V4WSwxS/71TSjoYV+neVK1mqRCGtbG+z3+DiTTIxqG0k2CbRGazhi2DDQM74XDjFAMNtcDdnCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:31.917110Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.02158","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b5eec6fbcd3cf5e6dcc881e86d277724b6d7f0d96f7572b4fe3f02c5fe869364","sha256:d719149b5c2522945906e85980dae1944ff3f06da68c9fca3f575e103885854c"],"state_sha256":"f68f56905d2bba1f8824a1d82bf4218eb8d3aece0233450028b439dd5f3a3c86"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"44NhNWLGouwaonn7TnmEJss6Kxe2zNO4UZiNo1YxjS4kPy2HXotgDeWHlI20Otm2v7L9C2IEL/6Pw6Lx5rANAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T23:03:58.858785Z","bundle_sha256":"ee0acfee2aad1c3e0323d673af57048eed3a9ede0439067cc8670639ff9ba0a0"}}