{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:ZHGM7Z2N554X77KSUVPSBMRUPJ","short_pith_number":"pith:ZHGM7Z2N","canonical_record":{"source":{"id":"nucl-ex/0410001","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2004-10-01T15:40:07Z","cross_cats_sorted":["hep-ex","hep-ph"],"title_canon_sha256":"5cc11c60ef2e023c3c2725bf5304a329c2dfa252f405eca2e3169b97626033fc","abstract_canon_sha256":"0bd90bcf5c2f5aa6b2a91bf8d60fb79cb4612a630e2a34149f3a1d94b3e13844"},"schema_version":"1.0"},"canonical_sha256":"c9cccfe74def797ffd52a55f20b2347a7f6a3a1c6db63dec5f096cb3299e4acf","source":{"kind":"arxiv","id":"nucl-ex/0410001","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/0410001","created_at":"2026-07-04T15:31:46Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0410001v1","created_at":"2026-07-04T15:31:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0410001","created_at":"2026-07-04T15:31:46Z"},{"alias_kind":"pith_short_12","alias_value":"ZHGM7Z2N554X","created_at":"2026-07-04T15:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"ZHGM7Z2N554X77KS","created_at":"2026-07-04T15:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"ZHGM7Z2N","created_at":"2026-07-04T15:31:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:ZHGM7Z2N554X77KSUVPSBMRUPJ","target":"record","payload":{"canonical_record":{"source":{"id":"nucl-ex/0410001","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2004-10-01T15:40:07Z","cross_cats_sorted":["hep-ex","hep-ph"],"title_canon_sha256":"5cc11c60ef2e023c3c2725bf5304a329c2dfa252f405eca2e3169b97626033fc","abstract_canon_sha256":"0bd90bcf5c2f5aa6b2a91bf8d60fb79cb4612a630e2a34149f3a1d94b3e13844"},"schema_version":"1.0"},"canonical_sha256":"c9cccfe74def797ffd52a55f20b2347a7f6a3a1c6db63dec5f096cb3299e4acf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:31:46.664397Z","signature_b64":"js/tWRWGmFb0CauvIV84R/hQ7vc9dNaw03sSNehhEXt4bb7g67J8jxM+VmLfGQmoKFRZtehaoYUNXYYS7ED4CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c9cccfe74def797ffd52a55f20b2347a7f6a3a1c6db63dec5f096cb3299e4acf","last_reissued_at":"2026-07-04T15:31:46.663947Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:31:46.663947Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"nucl-ex/0410001","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:31:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lR1akocaXPUV74sxQWn+LIlIu+taxqrFc92zACUIEQdU7diyEu0ZbTGrXVrRp8vp45hzVq/wYiAkDBdgM2sbDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T19:47:10.714886Z"},"content_sha256":"d4a22ed7774cc66b4722c9cecf92389bfef31b3b9d0d406facb139e0153f187d","schema_version":"1.0","event_id":"sha256:d4a22ed7774cc66b4722c9cecf92389bfef31b3b9d0d406facb139e0153f187d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:ZHGM7Z2N554X77KSUVPSBMRUPJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Polarization Transfer in Proton Compton Scattering at High Momentum Transfer","license":"","headline":"","cross_cats":["hep-ex","hep-ph"],"primary_cat":"nucl-ex","authors_text":"D. J. Hamilton, the Jefferson Lab Hall A Collaboration, V. H. Mamyan","submitted_at":"2004-10-01T15:40:07Z","abstract_excerpt":"Compton scattering from the proton was investigated at s=6.9 (GeV/c)**2 and \\t=-4.0 (GeV/c)**2 via polarization transfer from circularly polarized incident photons. The longitudinal and transverse components of the recoil proton polarization were measured. The results are in excellent agreement with a prediction based on a reaction mechanism in which the photon interacts with a single quark carrying the spin of the proton and in disagreement with a prediction of pQCD based on a two-gluon exchange mechanism."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0410001","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/nucl-ex/0410001/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:31:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0HpCWymWN/j8ng5FKKh9v2kw0FZa7OmTI72/wV8V0AgcKJpE90ZGklIcVPA/Zf5AKwSdfUxgN97r7upDFoCnCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T19:47:10.715407Z"},"content_sha256":"41eb9c4f3e83ee42ff453d7c828de95f0202f02c4a8222762aa6440c696e5a7d","schema_version":"1.0","event_id":"sha256:41eb9c4f3e83ee42ff453d7c828de95f0202f02c4a8222762aa6440c696e5a7d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZHGM7Z2N554X77KSUVPSBMRUPJ/bundle.json","state_url":"https://pith.science/pith/ZHGM7Z2N554X77KSUVPSBMRUPJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZHGM7Z2N554X77KSUVPSBMRUPJ/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":"2026-08-09T19:47:10Z","links":{"resolver":"https://pith.science/pith/ZHGM7Z2N554X77KSUVPSBMRUPJ","bundle":"https://pith.science/pith/ZHGM7Z2N554X77KSUVPSBMRUPJ/bundle.json","state":"https://pith.science/pith/ZHGM7Z2N554X77KSUVPSBMRUPJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZHGM7Z2N554X77KSUVPSBMRUPJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:ZHGM7Z2N554X77KSUVPSBMRUPJ","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":"0bd90bcf5c2f5aa6b2a91bf8d60fb79cb4612a630e2a34149f3a1d94b3e13844","cross_cats_sorted":["hep-ex","hep-ph"],"license":"","primary_cat":"nucl-ex","submitted_at":"2004-10-01T15:40:07Z","title_canon_sha256":"5cc11c60ef2e023c3c2725bf5304a329c2dfa252f405eca2e3169b97626033fc"},"schema_version":"1.0","source":{"id":"nucl-ex/0410001","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/0410001","created_at":"2026-07-04T15:31:46Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0410001v1","created_at":"2026-07-04T15:31:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0410001","created_at":"2026-07-04T15:31:46Z"},{"alias_kind":"pith_short_12","alias_value":"ZHGM7Z2N554X","created_at":"2026-07-04T15:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"ZHGM7Z2N554X77KS","created_at":"2026-07-04T15:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"ZHGM7Z2N","created_at":"2026-07-04T15:31:46Z"}],"graph_snapshots":[{"event_id":"sha256:41eb9c4f3e83ee42ff453d7c828de95f0202f02c4a8222762aa6440c696e5a7d","target":"graph","created_at":"2026-07-04T15:31:46Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/nucl-ex/0410001/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Compton scattering from the proton was investigated at s=6.9 (GeV/c)**2 and \\t=-4.0 (GeV/c)**2 via polarization transfer from circularly polarized incident photons. The longitudinal and transverse components of the recoil proton polarization were measured. The results are in excellent agreement with a prediction based on a reaction mechanism in which the photon interacts with a single quark carrying the spin of the proton and in disagreement with a prediction of pQCD based on a two-gluon exchange mechanism.","authors_text":"D. J. Hamilton, the Jefferson Lab Hall A Collaboration, V. H. Mamyan","cross_cats":["hep-ex","hep-ph"],"headline":"","license":"","primary_cat":"nucl-ex","submitted_at":"2004-10-01T15:40:07Z","title":"Polarization Transfer in Proton Compton Scattering at High Momentum Transfer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0410001","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:d4a22ed7774cc66b4722c9cecf92389bfef31b3b9d0d406facb139e0153f187d","target":"record","created_at":"2026-07-04T15:31:46Z","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":"0bd90bcf5c2f5aa6b2a91bf8d60fb79cb4612a630e2a34149f3a1d94b3e13844","cross_cats_sorted":["hep-ex","hep-ph"],"license":"","primary_cat":"nucl-ex","submitted_at":"2004-10-01T15:40:07Z","title_canon_sha256":"5cc11c60ef2e023c3c2725bf5304a329c2dfa252f405eca2e3169b97626033fc"},"schema_version":"1.0","source":{"id":"nucl-ex/0410001","kind":"arxiv","version":1}},"canonical_sha256":"c9cccfe74def797ffd52a55f20b2347a7f6a3a1c6db63dec5f096cb3299e4acf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c9cccfe74def797ffd52a55f20b2347a7f6a3a1c6db63dec5f096cb3299e4acf","first_computed_at":"2026-07-04T15:31:46.663947Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:31:46.663947Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"js/tWRWGmFb0CauvIV84R/hQ7vc9dNaw03sSNehhEXt4bb7g67J8jxM+VmLfGQmoKFRZtehaoYUNXYYS7ED4CQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:31:46.664397Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-ex/0410001","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d4a22ed7774cc66b4722c9cecf92389bfef31b3b9d0d406facb139e0153f187d","sha256:41eb9c4f3e83ee42ff453d7c828de95f0202f02c4a8222762aa6440c696e5a7d"],"state_sha256":"67fa7126071f8feca2fb6d727c6bcc67a03576542c0fece769a7220ac42b5769"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E98zV7HlK6qn4Um0ZiG4ywjEPjs0Ytuy71EcfcC2rfpKIsiMDwmmqekNO4aV1F5m41uGr3Ren0k22UDT+lGMBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T19:47:10.720543Z","bundle_sha256":"9268cff2728f50e97e33c61b282eb8ea0fd4ab98e49a3056a5fcf5e6ec8a4d32"}}