{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:BRWYXSCECVU36URW7CL36RIN2V","short_pith_number":"pith:BRWYXSCE","canonical_record":{"source":{"id":"hep-ex/9703005","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"1997-03-04T20:03:37Z","cross_cats_sorted":[],"title_canon_sha256":"1448534e43e191c7300602b7674de45f93cacf1dd3cf4d3db0b94c0231a5cef3","abstract_canon_sha256":"655feee4b555a54bb685232e4f7e9135e854446d23f08725068d49496849df77"},"schema_version":"1.0"},"canonical_sha256":"0c6d8bc8441569bf5236f897bf450dd5577bfcfc53642905862e54fa977ada3f","source":{"kind":"arxiv","id":"hep-ex/9703005","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/9703005","created_at":"2026-07-04T15:29:25Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/9703005v1","created_at":"2026-07-04T15:29:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/9703005","created_at":"2026-07-04T15:29:25Z"},{"alias_kind":"pith_short_12","alias_value":"BRWYXSCECVU3","created_at":"2026-07-04T15:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"BRWYXSCECVU36URW","created_at":"2026-07-04T15:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"BRWYXSCE","created_at":"2026-07-04T15:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:BRWYXSCECVU36URW7CL36RIN2V","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ex/9703005","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"1997-03-04T20:03:37Z","cross_cats_sorted":[],"title_canon_sha256":"1448534e43e191c7300602b7674de45f93cacf1dd3cf4d3db0b94c0231a5cef3","abstract_canon_sha256":"655feee4b555a54bb685232e4f7e9135e854446d23f08725068d49496849df77"},"schema_version":"1.0"},"canonical_sha256":"0c6d8bc8441569bf5236f897bf450dd5577bfcfc53642905862e54fa977ada3f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:29:25.109934Z","signature_b64":"t7TtUlLY4o/TNvOUfLsINhGKlAXlIAC5CFz0aeDme5gDsrrb270dRJuAfTNSNaEYg+xjIOEZYJWDBUZrZ9BVAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0c6d8bc8441569bf5236f897bf450dd5577bfcfc53642905862e54fa977ada3f","last_reissued_at":"2026-07-04T15:29:25.109535Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:29:25.109535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ex/9703005","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":"2026-07-04T15:29:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SHt7dcCDsG3Z1VONX2iw4QOQg3IiEpf84reqmsqiIYutSmgxKd4zN1O1cG4fKPwrKKqD7+bWBmXVFwKa0dc2CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T05:01:42.261343Z"},"content_sha256":"ad5b9b6e3513e0b755e1e44a8d90e99d3d7053ea347471af30aabed7e499a018","schema_version":"1.0","event_id":"sha256:ad5b9b6e3513e0b755e1e44a8d90e99d3d7053ea347471af30aabed7e499a018"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:BRWYXSCECVU36URW7CL36RIN2V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurement of the Neutron Spin Structure Function $g_1^n$ with a Polarized ^3He Target","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al, The HERMES Collaboration: K. Ackerstaff","submitted_at":"1997-03-04T20:03:37Z","abstract_excerpt":"Results are reported from the HERMES experiment at HERA on a measurement of the neutron spin structure function $g_1^n(x,Q^2)$ in deep inelastic scattering using 27.5 GeV longitudinally polarized positrons incident on a polarized $^3$He internal gas target. The data cover the kinematic range $0.023<x<0.6$ and $1 (GeV/c)^2 < Q^2 <15 (GeV/c)^2$. The integral $\\int_{0.023}^{0.6} g_1^n(x) dx$ evaluated at a fixed $Q^2$ of $2.5 (GeV/c)^2$ is $-0.034\\pm 0.013(stat.)\\pm 0.005(syst.)$. Assuming Regge behavior at low $x$, the first moment $\\Gamma_1^n=\\int_0^1 g_1^n(x) dx$ is $-0.037\\pm 0.013(stat.)\\pm "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/9703005","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/hep-ex/9703005/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":"2026-07-04T15:29:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vcXrTpYOvzpQEZc3y2wtQhTrmN0iz/ENEqKKNq3wBLtjaBQoyHNoLjYchjumVkpJjd7TArMIxPNKGMsl5UI5Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T05:01:42.261858Z"},"content_sha256":"c9544932cddc232753e33b6b3b5a2e285900288dffcd8a5eab468e245c5ddfff","schema_version":"1.0","event_id":"sha256:c9544932cddc232753e33b6b3b5a2e285900288dffcd8a5eab468e245c5ddfff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BRWYXSCECVU36URW7CL36RIN2V/bundle.json","state_url":"https://pith.science/pith/BRWYXSCECVU36URW7CL36RIN2V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BRWYXSCECVU36URW7CL36RIN2V/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":"2026-08-03T05:01:42Z","links":{"resolver":"https://pith.science/pith/BRWYXSCECVU36URW7CL36RIN2V","bundle":"https://pith.science/pith/BRWYXSCECVU36URW7CL36RIN2V/bundle.json","state":"https://pith.science/pith/BRWYXSCECVU36URW7CL36RIN2V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BRWYXSCECVU36URW7CL36RIN2V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:BRWYXSCECVU36URW7CL36RIN2V","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":"655feee4b555a54bb685232e4f7e9135e854446d23f08725068d49496849df77","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"1997-03-04T20:03:37Z","title_canon_sha256":"1448534e43e191c7300602b7674de45f93cacf1dd3cf4d3db0b94c0231a5cef3"},"schema_version":"1.0","source":{"id":"hep-ex/9703005","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/9703005","created_at":"2026-07-04T15:29:25Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/9703005v1","created_at":"2026-07-04T15:29:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/9703005","created_at":"2026-07-04T15:29:25Z"},{"alias_kind":"pith_short_12","alias_value":"BRWYXSCECVU3","created_at":"2026-07-04T15:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"BRWYXSCECVU36URW","created_at":"2026-07-04T15:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"BRWYXSCE","created_at":"2026-07-04T15:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:c9544932cddc232753e33b6b3b5a2e285900288dffcd8a5eab468e245c5ddfff","target":"graph","created_at":"2026-07-04T15:29:25Z","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/hep-ex/9703005/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Results are reported from the HERMES experiment at HERA on a measurement of the neutron spin structure function $g_1^n(x,Q^2)$ in deep inelastic scattering using 27.5 GeV longitudinally polarized positrons incident on a polarized $^3$He internal gas target. The data cover the kinematic range $0.023<x<0.6$ and $1 (GeV/c)^2 < Q^2 <15 (GeV/c)^2$. The integral $\\int_{0.023}^{0.6} g_1^n(x) dx$ evaluated at a fixed $Q^2$ of $2.5 (GeV/c)^2$ is $-0.034\\pm 0.013(stat.)\\pm 0.005(syst.)$. Assuming Regge behavior at low $x$, the first moment $\\Gamma_1^n=\\int_0^1 g_1^n(x) dx$ is $-0.037\\pm 0.013(stat.)\\pm ","authors_text":"et al, The HERMES Collaboration: K. Ackerstaff","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"1997-03-04T20:03:37Z","title":"Measurement of the Neutron Spin Structure Function $g_1^n$ with a Polarized ^3He Target"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/9703005","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:ad5b9b6e3513e0b755e1e44a8d90e99d3d7053ea347471af30aabed7e499a018","target":"record","created_at":"2026-07-04T15:29:25Z","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":"655feee4b555a54bb685232e4f7e9135e854446d23f08725068d49496849df77","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"1997-03-04T20:03:37Z","title_canon_sha256":"1448534e43e191c7300602b7674de45f93cacf1dd3cf4d3db0b94c0231a5cef3"},"schema_version":"1.0","source":{"id":"hep-ex/9703005","kind":"arxiv","version":1}},"canonical_sha256":"0c6d8bc8441569bf5236f897bf450dd5577bfcfc53642905862e54fa977ada3f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0c6d8bc8441569bf5236f897bf450dd5577bfcfc53642905862e54fa977ada3f","first_computed_at":"2026-07-04T15:29:25.109535Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:29:25.109535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"t7TtUlLY4o/TNvOUfLsINhGKlAXlIAC5CFz0aeDme5gDsrrb270dRJuAfTNSNaEYg+xjIOEZYJWDBUZrZ9BVAw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:29:25.109934Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ex/9703005","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad5b9b6e3513e0b755e1e44a8d90e99d3d7053ea347471af30aabed7e499a018","sha256:c9544932cddc232753e33b6b3b5a2e285900288dffcd8a5eab468e245c5ddfff"],"state_sha256":"3ae973f2aed93e10ede020a0e08255f61bd04059f5c699e4c84514000e05faeb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/geEFDU2JUk+uK6ZxW864fmCm9gIuAjS7in4wRZokwi0VcErJ/vtMU/eWNEcjLuiFSmAA5BXLpTr7R1XJ4mRBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T05:01:42.265316Z","bundle_sha256":"0596894f2f9683d145e9d77137bc43367650c81a3dec561c979c4b5225c61730"}}