{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:3P4GPAESVGY2UQZWPBIQ72GOXS","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":"fc38e393b1b27dba5528552d50966e9c862ccaff43b584ef97c76f312d59d194","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1999-11-19T16:12:53Z","title_canon_sha256":"b439b3af58545d64b339d481a2396247cc2ce48f260f198bacc6a1deaeaf111a"},"schema_version":"1.0","source":{"id":"hep-ph/9911412","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9911412","created_at":"2026-05-18T04:24:16Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9911412v1","created_at":"2026-05-18T04:24:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9911412","created_at":"2026-05-18T04:24:16Z"},{"alias_kind":"pith_short_12","alias_value":"3P4GPAESVGY2","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"3P4GPAESVGY2UQZW","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"3P4GPAES","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:1acafc725b5e970eaf3f062833630517ca539ffbe615c75e63a9b0894d629928","target":"graph","created_at":"2026-05-18T04:24:16Z","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":"Fixed-$t$ subtracted dispersion relations are presented for Compton scattering off the nucleon at energies $E_\\gamma \\leq 500$ MeV, as a formalism to extract the nucleon polarizabilities from the data with a minimum of model dependence. The scalar polarizabilities difference $\\alpha - \\beta$ and the backward spin polarizability $\\gamma_\\pi$ enter directly as fit parameters in this formalism.","authors_text":"B. Pasquini, D. Drechsel, M. Gorchtein, M. Vanderhaeghen","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1999-11-19T16:12:53Z","title":"Compton scattering and polarizabilities of the nucleon"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9911412","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:b8c29e0fd77763aff2fcd0d307bde217eeb410d26e3999927415c65a9dfdea09","target":"record","created_at":"2026-05-18T04:24:16Z","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":"fc38e393b1b27dba5528552d50966e9c862ccaff43b584ef97c76f312d59d194","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1999-11-19T16:12:53Z","title_canon_sha256":"b439b3af58545d64b339d481a2396247cc2ce48f260f198bacc6a1deaeaf111a"},"schema_version":"1.0","source":{"id":"hep-ph/9911412","kind":"arxiv","version":1}},"canonical_sha256":"dbf8678092a9b1aa433678510fe8cebc8b55a952e0ee448590a68813862625d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dbf8678092a9b1aa433678510fe8cebc8b55a952e0ee448590a68813862625d6","first_computed_at":"2026-05-18T04:24:16.530456Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:24:16.530456Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"08NRVnzBM2ugfNfw/cwO+mtId9QRECi2lOrhGXM07y5YuudmHa7Jo97kFMIrZUa5152WUUrMfOD11CalN00XBg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:24:16.530945Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9911412","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8c29e0fd77763aff2fcd0d307bde217eeb410d26e3999927415c65a9dfdea09","sha256:1acafc725b5e970eaf3f062833630517ca539ffbe615c75e63a9b0894d629928"],"state_sha256":"3d5d99fa25f9993ab2e256772256662dd5e448a500e2ad030c7e09372908ee36"}