{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:45ZHWCINRKWVZLRFXEH4HWBDZP","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":"c7c309409f8ca8bf728736bf49ce423dd23acf24d41ffe4831c11b230f2ca8a8","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-04T23:28:57Z","title_canon_sha256":"3e9deb45a297f7d051bea713453477819a8e1425d2985587fe110740159e65d5"},"schema_version":"1.0","source":{"id":"1206.0791","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.0791","created_at":"2026-05-18T01:57:07Z"},{"alias_kind":"arxiv_version","alias_value":"1206.0791v1","created_at":"2026-05-18T01:57:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.0791","created_at":"2026-05-18T01:57:07Z"},{"alias_kind":"pith_short_12","alias_value":"45ZHWCINRKWV","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"45ZHWCINRKWVZLRF","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"45ZHWCIN","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:515cf7e66f25dac47cca9b8dd2a8f53bb64dfcf685d0929e376e4484b240b8f8","target":"graph","created_at":"2026-05-18T01:57:07Z","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 Resource Letter provides a guide to a selection of the literature on gravitational lensing and its applications. Journal articles, books, popular articles, and websites are cited for the following topics: foundations of gravitational lensing, foundations of cosmology, history of gravitational lensing, strong lensing, weak lensing, and microlensing.","authors_text":"D. Clowe (3) (UC Santa Barbara (1), Ohio University (3)), Oxford (2), P. J. Marshall (2), T. Treu (1)","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-04T23:28:57Z","title":"Resource Letter: Gravitational Lensing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.0791","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:daf4a63d2b3fad17117fef3fa5465e714c11b990ea361f09043e5e7e0d9980f9","target":"record","created_at":"2026-05-18T01:57:07Z","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":"c7c309409f8ca8bf728736bf49ce423dd23acf24d41ffe4831c11b230f2ca8a8","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-04T23:28:57Z","title_canon_sha256":"3e9deb45a297f7d051bea713453477819a8e1425d2985587fe110740159e65d5"},"schema_version":"1.0","source":{"id":"1206.0791","kind":"arxiv","version":1}},"canonical_sha256":"e7727b090d8aad5cae25b90fc3d823cbdf6a7f6f87eb32cfe951e8ce4703582b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e7727b090d8aad5cae25b90fc3d823cbdf6a7f6f87eb32cfe951e8ce4703582b","first_computed_at":"2026-05-18T01:57:07.812380Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:07.812380Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ak1m0MLzTC19HRCgBaeoAfkANWDYMzPGBQB+viKVelW9vt2OigkQ6R3+3/pwK05q88l7Ema3SttJ6qnlxzTUCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:07.813077Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.0791","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:daf4a63d2b3fad17117fef3fa5465e714c11b990ea361f09043e5e7e0d9980f9","sha256:515cf7e66f25dac47cca9b8dd2a8f53bb64dfcf685d0929e376e4484b240b8f8"],"state_sha256":"59a3b70ec30b877673a70577c4440b2837e9d51801db19b619a494bef5a5331e"}