{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:W5XLBH5SS2LFC27HCZGSQOHP6L","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":"e120b152d44a44e93a210b22b6fa8435bde8b17e5b41264394af8ff65a494ffb","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2011-10-12T05:31:51Z","title_canon_sha256":"0e741a38dca266d9029406b73d36c3e4b0666e1a9aa265a9ca0fcd3f12c31a35"},"schema_version":"1.0","source":{"id":"1110.2569","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.2569","created_at":"2026-05-18T02:00:13Z"},{"alias_kind":"arxiv_version","alias_value":"1110.2569v3","created_at":"2026-05-18T02:00:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.2569","created_at":"2026-05-18T02:00:13Z"},{"alias_kind":"pith_short_12","alias_value":"W5XLBH5SS2LF","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"W5XLBH5SS2LFC27H","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"W5XLBH5S","created_at":"2026-05-18T12:26:44Z"}],"graph_snapshots":[{"event_id":"sha256:cc997bf6864d6fec7c67ba9b14557b0079bd041122dee21f31f13b8c864304e3","target":"graph","created_at":"2026-05-18T02:00:13Z","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":"This article provides some historical background and then reviews developments in string theory over the last twenty-five years or so. Both perturbative and non-perturbative approaches to string theory are surveyed and their impact on how we view quantum gravity is analysed.","authors_text":"Sunil Mukhi (Tata Institute of Fundamental Research)","cross_cats":["gr-qc","hep-ph","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2011-10-12T05:31:51Z","title":"String theory: a perspective over the last 25 years"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.2569","kind":"arxiv","version":3},"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":"sha256:51b9f5300ada78b27ccdd8ec011aae1d87a74c8d322601f5e160ea6c5d69ff86","target":"record","created_at":"2026-05-18T02:00:13Z","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":"e120b152d44a44e93a210b22b6fa8435bde8b17e5b41264394af8ff65a494ffb","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2011-10-12T05:31:51Z","title_canon_sha256":"0e741a38dca266d9029406b73d36c3e4b0666e1a9aa265a9ca0fcd3f12c31a35"},"schema_version":"1.0","source":{"id":"1110.2569","kind":"arxiv","version":3}},"canonical_sha256":"b76eb09fb29696516be7164d2838eff2ca65dae47eff1c670c093eeef12bc5e4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b76eb09fb29696516be7164d2838eff2ca65dae47eff1c670c093eeef12bc5e4","first_computed_at":"2026-05-18T02:00:13.376989Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:13.376989Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AxPJ9WtMGl4kEt9WrkJIQX6oC0bLR1ebCwmDHkKibADyEQO2mYUVsqsq18RqFi/UCGGmcXwHEXLbvcsO3DcqBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:13.377685Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.2569","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:51b9f5300ada78b27ccdd8ec011aae1d87a74c8d322601f5e160ea6c5d69ff86","sha256:cc997bf6864d6fec7c67ba9b14557b0079bd041122dee21f31f13b8c864304e3"],"state_sha256":"d1517418af91eb5e9ea659775bdbb0e1c429a87d7bd9767e879172c060cbec55"}