{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:2ZRW56HRADUM37EBPUNZZ3WYM5","short_pith_number":"pith:2ZRW56HR","canonical_record":{"source":{"id":"1301.5177","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cs.DL","submitted_at":"2013-01-22T13:16:15Z","cross_cats_sorted":["cs.IR"],"title_canon_sha256":"a73fb1c25f44837e6e6e1cfa177f2f3dec423eda806667b47cbe8b7521a663b4","abstract_canon_sha256":"a3db67b5dcc17cbb570a2b8ba5628f817ae0370a598f73032e9aaeae4362d950"},"schema_version":"1.0"},"canonical_sha256":"d6636ef8f100e8cdfc817d1b9ceed8674fa57e07fab26b5e1995d7e9616470b6","source":{"kind":"arxiv","id":"1301.5177","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.5177","created_at":"2026-05-18T03:27:32Z"},{"alias_kind":"arxiv_version","alias_value":"1301.5177v2","created_at":"2026-05-18T03:27:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.5177","created_at":"2026-05-18T03:27:32Z"},{"alias_kind":"pith_short_12","alias_value":"2ZRW56HRADUM","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"2ZRW56HRADUM37EB","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"2ZRW56HR","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:2ZRW56HRADUM37EBPUNZZ3WYM5","target":"record","payload":{"canonical_record":{"source":{"id":"1301.5177","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cs.DL","submitted_at":"2013-01-22T13:16:15Z","cross_cats_sorted":["cs.IR"],"title_canon_sha256":"a73fb1c25f44837e6e6e1cfa177f2f3dec423eda806667b47cbe8b7521a663b4","abstract_canon_sha256":"a3db67b5dcc17cbb570a2b8ba5628f817ae0370a598f73032e9aaeae4362d950"},"schema_version":"1.0"},"canonical_sha256":"d6636ef8f100e8cdfc817d1b9ceed8674fa57e07fab26b5e1995d7e9616470b6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:27:32.118986Z","signature_b64":"yBIBnxQgarp0XWTH61sIU/dFMnNJrnZL7hEGCrbs5F+PSxML4pJoEukpkq92krtHLUi0ZxNVAc7w1bOLr5jBAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6636ef8f100e8cdfc817d1b9ceed8674fa57e07fab26b5e1995d7e9616470b6","last_reissued_at":"2026-05-18T03:27:32.118156Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:27:32.118156Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.5177","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:27:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X6eZzzkEzEnxyS97w+VLNymoODJv9AgugAoLqCo1IyhA8mfUvz7KQmI8LW5P+eAKgujOmbbxcABHKSlmcEsgCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:16:45.901216Z"},"content_sha256":"47e038d7ef3cdeefb5bfa2113f9c5881426a5ce67e86c07a6f9bc73eb6e1a022","schema_version":"1.0","event_id":"sha256:47e038d7ef3cdeefb5bfa2113f9c5881426a5ce67e86c07a6f9bc73eb6e1a022"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:2ZRW56HRADUM37EBPUNZZ3WYM5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"\"Seed+Expand\": A validated methodology for creating high quality publication oeuvres of individual researchers","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":["cs.IR"],"primary_cat":"cs.DL","authors_text":"Andrea Scharnhorst, Ed Noyons, Katy Boerner, Linda Reijnhoudt, Rodrigo Costas","submitted_at":"2013-01-22T13:16:15Z","abstract_excerpt":"The study of science at the individual micro-level frequently requires the disambiguation of author names. The creation of author's publication oeuvres involves matching the list of unique author names to names used in publication databases. Despite recent progress in the development of unique author identifiers, e.g., ORCID, VIVO, or DAI, author disambiguation remains a key problem when it comes to large-scale bibliometric analysis using data from multiple databases. This study introduces and validates a new methodology called seed+expand for semi-automatic bibliographic data collection for a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.5177","kind":"arxiv","version":2},"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":"2026-05-18T03:27:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C+nceCJxZAtw0BpC9J791mNf25WBr0XJKu9cczUyJbNm/3fR8s9RosyruMWf+zhEC0FOJzdj/VQm8Hb6TAaZCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:16:45.901579Z"},"content_sha256":"b7bac525305dc39c3fefc75af51dc60053d017bf8edb305036969a0dd0490871","schema_version":"1.0","event_id":"sha256:b7bac525305dc39c3fefc75af51dc60053d017bf8edb305036969a0dd0490871"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2ZRW56HRADUM37EBPUNZZ3WYM5/bundle.json","state_url":"https://pith.science/pith/2ZRW56HRADUM37EBPUNZZ3WYM5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2ZRW56HRADUM37EBPUNZZ3WYM5/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":"2026-05-28T12:16:45Z","links":{"resolver":"https://pith.science/pith/2ZRW56HRADUM37EBPUNZZ3WYM5","bundle":"https://pith.science/pith/2ZRW56HRADUM37EBPUNZZ3WYM5/bundle.json","state":"https://pith.science/pith/2ZRW56HRADUM37EBPUNZZ3WYM5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2ZRW56HRADUM37EBPUNZZ3WYM5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:2ZRW56HRADUM37EBPUNZZ3WYM5","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":"a3db67b5dcc17cbb570a2b8ba5628f817ae0370a598f73032e9aaeae4362d950","cross_cats_sorted":["cs.IR"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cs.DL","submitted_at":"2013-01-22T13:16:15Z","title_canon_sha256":"a73fb1c25f44837e6e6e1cfa177f2f3dec423eda806667b47cbe8b7521a663b4"},"schema_version":"1.0","source":{"id":"1301.5177","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.5177","created_at":"2026-05-18T03:27:32Z"},{"alias_kind":"arxiv_version","alias_value":"1301.5177v2","created_at":"2026-05-18T03:27:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.5177","created_at":"2026-05-18T03:27:32Z"},{"alias_kind":"pith_short_12","alias_value":"2ZRW56HRADUM","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"2ZRW56HRADUM37EB","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"2ZRW56HR","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:b7bac525305dc39c3fefc75af51dc60053d017bf8edb305036969a0dd0490871","target":"graph","created_at":"2026-05-18T03:27:32Z","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 science at the individual micro-level frequently requires the disambiguation of author names. The creation of author's publication oeuvres involves matching the list of unique author names to names used in publication databases. Despite recent progress in the development of unique author identifiers, e.g., ORCID, VIVO, or DAI, author disambiguation remains a key problem when it comes to large-scale bibliometric analysis using data from multiple databases. This study introduces and validates a new methodology called seed+expand for semi-automatic bibliographic data collection for a","authors_text":"Andrea Scharnhorst, Ed Noyons, Katy Boerner, Linda Reijnhoudt, Rodrigo Costas","cross_cats":["cs.IR"],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cs.DL","submitted_at":"2013-01-22T13:16:15Z","title":"\"Seed+Expand\": A validated methodology for creating high quality publication oeuvres of individual researchers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.5177","kind":"arxiv","version":2},"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":"sha256:47e038d7ef3cdeefb5bfa2113f9c5881426a5ce67e86c07a6f9bc73eb6e1a022","target":"record","created_at":"2026-05-18T03:27:32Z","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":"a3db67b5dcc17cbb570a2b8ba5628f817ae0370a598f73032e9aaeae4362d950","cross_cats_sorted":["cs.IR"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cs.DL","submitted_at":"2013-01-22T13:16:15Z","title_canon_sha256":"a73fb1c25f44837e6e6e1cfa177f2f3dec423eda806667b47cbe8b7521a663b4"},"schema_version":"1.0","source":{"id":"1301.5177","kind":"arxiv","version":2}},"canonical_sha256":"d6636ef8f100e8cdfc817d1b9ceed8674fa57e07fab26b5e1995d7e9616470b6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d6636ef8f100e8cdfc817d1b9ceed8674fa57e07fab26b5e1995d7e9616470b6","first_computed_at":"2026-05-18T03:27:32.118156Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:27:32.118156Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yBIBnxQgarp0XWTH61sIU/dFMnNJrnZL7hEGCrbs5F+PSxML4pJoEukpkq92krtHLUi0ZxNVAc7w1bOLr5jBAw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:27:32.118986Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.5177","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:47e038d7ef3cdeefb5bfa2113f9c5881426a5ce67e86c07a6f9bc73eb6e1a022","sha256:b7bac525305dc39c3fefc75af51dc60053d017bf8edb305036969a0dd0490871"],"state_sha256":"32e4049471d2bd8c7f042be407e5557d3b13135ca065f1988b267a70dd3f0488"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4SpBAzAyKbFwm0iJTnVSOPgPp9DPl1eLhaaWbP6YvoGFJhvQukOuT/qGgycl1gxI65CwROfvSGE7/6PIB1a0DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T12:16:45.903610Z","bundle_sha256":"559981a36f87e468d83c94d487f6fae3e66a8bed064528fc3b057742be9985e6"}}