{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:PCUWQSUECUC37C5WMY7U43MQOW","short_pith_number":"pith:PCUWQSUE","schema_version":"1.0","canonical_sha256":"78a9684a841505bf8bb6663f4e6d90758370dff648cc7af102d2ccf29e4da735","source":{"kind":"arxiv","id":"1206.0108","version":2},"attestation_state":"computed","paper":{"title":"The evolution of interdisciplinarity in physics research","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SI","physics.data-an"],"primary_cat":"physics.soc-ph","authors_text":"Jari Saram\\\"aki, Kimmo Kaski, Raj Kumar Pan, Sitabhra Sinha","submitted_at":"2012-06-01T07:25:47Z","abstract_excerpt":"Science, being a social enterprise, is subject to fragmentation into groups that focus on specialized areas or topics. Often new advances occur through cross-fertilization of ideas between sub-fields that otherwise have little overlap as they study dissimilar phenomena using different techniques. Thus to explore the nature and dynamics of scientific progress one needs to consider the large-scale organization and interactions between different subject areas. Here, we study the relationships between the sub-fields of Physics using the Physics and Astronomy Classification Scheme (PACS) codes empl"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1206.0108","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2012-06-01T07:25:47Z","cross_cats_sorted":["cs.SI","physics.data-an"],"title_canon_sha256":"5b5d18ab2e18fbfebd4b87c30a5f8245469b5d6e82e876a4ab1e6be77a406a5f","abstract_canon_sha256":"1108d3d20c795f5c5843c04163f723c73448659ba88cd189443bef20f236bbf0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:48:36.709613Z","signature_b64":"JHN9cQi4P+Y5mWzUy2p4cOCIjY8VcAX01JC9QCHHxZ/aPA1wrKIszS8Aq8tak4sYopxvaFiA9/2sdNhiMfXdAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78a9684a841505bf8bb6663f4e6d90758370dff648cc7af102d2ccf29e4da735","last_reissued_at":"2026-05-18T03:48:36.709048Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:48:36.709048Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The evolution of interdisciplinarity in physics research","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SI","physics.data-an"],"primary_cat":"physics.soc-ph","authors_text":"Jari Saram\\\"aki, Kimmo Kaski, Raj Kumar Pan, Sitabhra Sinha","submitted_at":"2012-06-01T07:25:47Z","abstract_excerpt":"Science, being a social enterprise, is subject to fragmentation into groups that focus on specialized areas or topics. Often new advances occur through cross-fertilization of ideas between sub-fields that otherwise have little overlap as they study dissimilar phenomena using different techniques. Thus to explore the nature and dynamics of scientific progress one needs to consider the large-scale organization and interactions between different subject areas. Here, we study the relationships between the sub-fields of Physics using the Physics and Astronomy Classification Scheme (PACS) codes empl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.0108","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1206.0108","created_at":"2026-05-18T03:48:36.709107+00:00"},{"alias_kind":"arxiv_version","alias_value":"1206.0108v2","created_at":"2026-05-18T03:48:36.709107+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.0108","created_at":"2026-05-18T03:48:36.709107+00:00"},{"alias_kind":"pith_short_12","alias_value":"PCUWQSUECUC3","created_at":"2026-05-18T12:27:18.751474+00:00"},{"alias_kind":"pith_short_16","alias_value":"PCUWQSUECUC37C5W","created_at":"2026-05-18T12:27:18.751474+00:00"},{"alias_kind":"pith_short_8","alias_value":"PCUWQSUE","created_at":"2026-05-18T12:27:18.751474+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PCUWQSUECUC37C5WMY7U43MQOW","json":"https://pith.science/pith/PCUWQSUECUC37C5WMY7U43MQOW.json","graph_json":"https://pith.science/api/pith-number/PCUWQSUECUC37C5WMY7U43MQOW/graph.json","events_json":"https://pith.science/api/pith-number/PCUWQSUECUC37C5WMY7U43MQOW/events.json","paper":"https://pith.science/paper/PCUWQSUE"},"agent_actions":{"view_html":"https://pith.science/pith/PCUWQSUECUC37C5WMY7U43MQOW","download_json":"https://pith.science/pith/PCUWQSUECUC37C5WMY7U43MQOW.json","view_paper":"https://pith.science/paper/PCUWQSUE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1206.0108&json=true","fetch_graph":"https://pith.science/api/pith-number/PCUWQSUECUC37C5WMY7U43MQOW/graph.json","fetch_events":"https://pith.science/api/pith-number/PCUWQSUECUC37C5WMY7U43MQOW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PCUWQSUECUC37C5WMY7U43MQOW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PCUWQSUECUC37C5WMY7U43MQOW/action/storage_attestation","attest_author":"https://pith.science/pith/PCUWQSUECUC37C5WMY7U43MQOW/action/author_attestation","sign_citation":"https://pith.science/pith/PCUWQSUECUC37C5WMY7U43MQOW/action/citation_signature","submit_replication":"https://pith.science/pith/PCUWQSUECUC37C5WMY7U43MQOW/action/replication_record"}},"created_at":"2026-05-18T03:48:36.709107+00:00","updated_at":"2026-05-18T03:48:36.709107+00:00"}