{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:KRUFHJO77LM5OTW3AC4RJ3TQJB","short_pith_number":"pith:KRUFHJO7","canonical_record":{"source":{"id":"2406.03194","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2024-06-05T12:23:17Z","cross_cats_sorted":[],"title_canon_sha256":"ff6d627b8af340fd16a7ee9240363a5c50f1cddf2d173a1a4750c5d7ca47754e","abstract_canon_sha256":"85670e33d9fa1347b3f62a4608cf2d701dde7e627b52aef68c7f8cd660b64163"},"schema_version":"1.0"},"canonical_sha256":"546853a5dffad9d74edb00b914ee70486736b6a2899d0d7a6b87731cc5db9dac","source":{"kind":"arxiv","id":"2406.03194","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.03194","created_at":"2026-07-05T08:27:52Z"},{"alias_kind":"arxiv_version","alias_value":"2406.03194v1","created_at":"2026-07-05T08:27:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.03194","created_at":"2026-07-05T08:27:52Z"},{"alias_kind":"pith_short_12","alias_value":"KRUFHJO77LM5","created_at":"2026-07-05T08:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"KRUFHJO77LM5OTW3","created_at":"2026-07-05T08:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"KRUFHJO7","created_at":"2026-07-05T08:27:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:KRUFHJO77LM5OTW3AC4RJ3TQJB","target":"record","payload":{"canonical_record":{"source":{"id":"2406.03194","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2024-06-05T12:23:17Z","cross_cats_sorted":[],"title_canon_sha256":"ff6d627b8af340fd16a7ee9240363a5c50f1cddf2d173a1a4750c5d7ca47754e","abstract_canon_sha256":"85670e33d9fa1347b3f62a4608cf2d701dde7e627b52aef68c7f8cd660b64163"},"schema_version":"1.0"},"canonical_sha256":"546853a5dffad9d74edb00b914ee70486736b6a2899d0d7a6b87731cc5db9dac","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:27:52.827505Z","signature_b64":"gBji5fMYGQslNbNWweQLN+1hCCsb5ZdLNxAD2TZ0QwHJz0jgMfq3EPtTQ/utXzZwCJwh0+uzCkXcwsM60mWeBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"546853a5dffad9d74edb00b914ee70486736b6a2899d0d7a6b87731cc5db9dac","last_reissued_at":"2026-07-05T08:27:52.827091Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:27:52.827091Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.03194","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":"2026-07-05T08:27:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tPUBp7qkLGeXlPM8QEnDobTtlrGqZxrQGjOzUBckFlxFGhpR9ijxDTRP4QJkcqYCVkjCS7aAsg1G8i7zRXOMAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T05:57:43.274720Z"},"content_sha256":"e361ff93e9846b270bb5826c1933bce7e4287f11cd23c75453bca8f961d1f2f6","schema_version":"1.0","event_id":"sha256:e361ff93e9846b270bb5826c1933bce7e4287f11cd23c75453bca8f961d1f2f6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:KRUFHJO77LM5OTW3AC4RJ3TQJB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Writing Order Recovery in Complex and Long Static Handwriting","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Angelo Marcelli, Antonio Parziale, Gioele Crispo, Miguel A. Ferrer, Moises Diaz","submitted_at":"2024-06-05T12:23:17Z","abstract_excerpt":"The order in which the trajectory is executed is a powerful source of information for recognizers. However, there is still no general approach for recovering the trajectory of complex and long handwriting from static images. Complex specimens can result in multiple pen-downs and in a high number of trajectory crossings yielding agglomerations of pixels (also known as clusters). While the scientific literature describes a wide range of approaches for recovering the writing order in handwriting, these approaches nevertheless lack a common evaluation metric. In this paper, we introduce a new syst"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.03194","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/2406.03194/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":"2026-07-05T08:27:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ajFfmLWTvY3NJGA4pNdPgql3C0dXLpjJLq/689QEZm/MSTKIV6QEj3HpYO3L3QeOaobLDhcL52fgU9AeGxnOBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T05:57:43.275414Z"},"content_sha256":"294329cbd7242a6d692cd8940d3cf16f9c512213aa5dbff771e416a4052fa2d7","schema_version":"1.0","event_id":"sha256:294329cbd7242a6d692cd8940d3cf16f9c512213aa5dbff771e416a4052fa2d7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KRUFHJO77LM5OTW3AC4RJ3TQJB/bundle.json","state_url":"https://pith.science/pith/KRUFHJO77LM5OTW3AC4RJ3TQJB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KRUFHJO77LM5OTW3AC4RJ3TQJB/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":"2026-08-17T05:57:43Z","links":{"resolver":"https://pith.science/pith/KRUFHJO77LM5OTW3AC4RJ3TQJB","bundle":"https://pith.science/pith/KRUFHJO77LM5OTW3AC4RJ3TQJB/bundle.json","state":"https://pith.science/pith/KRUFHJO77LM5OTW3AC4RJ3TQJB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KRUFHJO77LM5OTW3AC4RJ3TQJB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:KRUFHJO77LM5OTW3AC4RJ3TQJB","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":"85670e33d9fa1347b3f62a4608cf2d701dde7e627b52aef68c7f8cd660b64163","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2024-06-05T12:23:17Z","title_canon_sha256":"ff6d627b8af340fd16a7ee9240363a5c50f1cddf2d173a1a4750c5d7ca47754e"},"schema_version":"1.0","source":{"id":"2406.03194","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.03194","created_at":"2026-07-05T08:27:52Z"},{"alias_kind":"arxiv_version","alias_value":"2406.03194v1","created_at":"2026-07-05T08:27:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.03194","created_at":"2026-07-05T08:27:52Z"},{"alias_kind":"pith_short_12","alias_value":"KRUFHJO77LM5","created_at":"2026-07-05T08:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"KRUFHJO77LM5OTW3","created_at":"2026-07-05T08:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"KRUFHJO7","created_at":"2026-07-05T08:27:52Z"}],"graph_snapshots":[{"event_id":"sha256:294329cbd7242a6d692cd8940d3cf16f9c512213aa5dbff771e416a4052fa2d7","target":"graph","created_at":"2026-07-05T08:27:52Z","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/2406.03194/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The order in which the trajectory is executed is a powerful source of information for recognizers. However, there is still no general approach for recovering the trajectory of complex and long handwriting from static images. Complex specimens can result in multiple pen-downs and in a high number of trajectory crossings yielding agglomerations of pixels (also known as clusters). While the scientific literature describes a wide range of approaches for recovering the writing order in handwriting, these approaches nevertheless lack a common evaluation metric. In this paper, we introduce a new syst","authors_text":"Angelo Marcelli, Antonio Parziale, Gioele Crispo, Miguel A. Ferrer, Moises Diaz","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2024-06-05T12:23:17Z","title":"Writing Order Recovery in Complex and Long Static Handwriting"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.03194","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:e361ff93e9846b270bb5826c1933bce7e4287f11cd23c75453bca8f961d1f2f6","target":"record","created_at":"2026-07-05T08:27:52Z","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":"85670e33d9fa1347b3f62a4608cf2d701dde7e627b52aef68c7f8cd660b64163","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2024-06-05T12:23:17Z","title_canon_sha256":"ff6d627b8af340fd16a7ee9240363a5c50f1cddf2d173a1a4750c5d7ca47754e"},"schema_version":"1.0","source":{"id":"2406.03194","kind":"arxiv","version":1}},"canonical_sha256":"546853a5dffad9d74edb00b914ee70486736b6a2899d0d7a6b87731cc5db9dac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"546853a5dffad9d74edb00b914ee70486736b6a2899d0d7a6b87731cc5db9dac","first_computed_at":"2026-07-05T08:27:52.827091Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:27:52.827091Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gBji5fMYGQslNbNWweQLN+1hCCsb5ZdLNxAD2TZ0QwHJz0jgMfq3EPtTQ/utXzZwCJwh0+uzCkXcwsM60mWeBA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:27:52.827505Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.03194","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e361ff93e9846b270bb5826c1933bce7e4287f11cd23c75453bca8f961d1f2f6","sha256:294329cbd7242a6d692cd8940d3cf16f9c512213aa5dbff771e416a4052fa2d7"],"state_sha256":"ab03955011406b3b1e32da626efb59df3b58f98035a2990e6cced8516e80ef41"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fw6fPrm4Ku3xpmYNOB/xZ3EB/Aox2izHS5reBR8I0erLHgSoNeo+1gcTqSPdTop2SYfvZm1+aCE8Q6uGRBbjAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T05:57:43.280919Z","bundle_sha256":"ee882b0c0e2ca5340724cf854fd51510aa0c45fb954d47f5e8f0c8607ae36269"}}