{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:RUWS2BZ4BNYAHRXELYZDGWFMRR","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":"4c261b75d388745adce550f9739007976fb0700109f6ed0d74f67cd3e5147e6e","cross_cats_sorted":[],"license":"","primary_cat":"physics.med-ph","submitted_at":"2005-07-20T14:23:22Z","title_canon_sha256":"b4977ec4a14e8cce849b0f7b4bb80d5e99f0be83d54a80cb9a260e6fbe01da5f"},"schema_version":"1.0","source":{"id":"physics/0507152","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0507152","created_at":"2026-07-04T14:44:49Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0507152v1","created_at":"2026-07-04T14:44:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0507152","created_at":"2026-07-04T14:44:49Z"},{"alias_kind":"pith_short_12","alias_value":"RUWS2BZ4BNYA","created_at":"2026-07-04T14:44:49Z"},{"alias_kind":"pith_short_16","alias_value":"RUWS2BZ4BNYAHRXE","created_at":"2026-07-04T14:44:49Z"},{"alias_kind":"pith_short_8","alias_value":"RUWS2BZ4","created_at":"2026-07-04T14:44:49Z"}],"graph_snapshots":[{"event_id":"sha256:45dfb9d5c25836fb53e605e11b9b7e8a27fe97d2faca8bc7831fbecaa33a7322","target":"graph","created_at":"2026-07-04T14:44:49Z","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/physics/0507152/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A system for the automated detection of massive lesions in mammograms is presented. The approach we adopted is a pixel-based and multi-level one. Each pixel in a mammogram is flagged with the appropriate class membership, e.g. massive lesions or normal breast tissue.","authors_text":"Alessandra Retico, Ilaria Gori","cross_cats":[],"headline":"","license":"","primary_cat":"physics.med-ph","submitted_at":"2005-07-20T14:23:22Z","title":"A pixel-based approach to massive lesion detection in X-ray mammography"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0507152","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":"sha256:352aa0710ab47e242ad086a4b318574a07a69934f28cf639a6d456d0898f1ce0","target":"record","created_at":"2026-07-04T14:44:49Z","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":"4c261b75d388745adce550f9739007976fb0700109f6ed0d74f67cd3e5147e6e","cross_cats_sorted":[],"license":"","primary_cat":"physics.med-ph","submitted_at":"2005-07-20T14:23:22Z","title_canon_sha256":"b4977ec4a14e8cce849b0f7b4bb80d5e99f0be83d54a80cb9a260e6fbe01da5f"},"schema_version":"1.0","source":{"id":"physics/0507152","kind":"arxiv","version":1}},"canonical_sha256":"8d2d2d073c0b7003c6e45e323358ac8c53603744bd8b01057d46c504abf82067","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8d2d2d073c0b7003c6e45e323358ac8c53603744bd8b01057d46c504abf82067","first_computed_at":"2026-07-04T14:44:49.321308Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:44:49.321308Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RxWEa2JAtmZu65vEehLaVfALAORfpgX2wKzgscT7Gqtp8G9pht+asaxgT4ci76wMYX9H9xeO5jJUiytcDgB7Ag==","signature_status":"signed_v1","signed_at":"2026-07-04T14:44:49.321677Z","signed_message":"canonical_sha256_bytes"},"source_id":"physics/0507152","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:352aa0710ab47e242ad086a4b318574a07a69934f28cf639a6d456d0898f1ce0","sha256:45dfb9d5c25836fb53e605e11b9b7e8a27fe97d2faca8bc7831fbecaa33a7322"],"state_sha256":"ce99c605939bd2399c61cdcbee72e3ba9e7a2e94ee296b152efa2d56b52d6ef6"}