{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:HBWICRXLH7MRP5EQ4YBM4LAHE3","short_pith_number":"pith:HBWICRXL","canonical_record":{"source":{"id":"hep-ex/0106068","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2001-06-18T20:06:03Z","cross_cats_sorted":[],"title_canon_sha256":"f99ba247a0157f5cc7121721e658d9e59cab92f676c42c0afe3e372b63c950f9","abstract_canon_sha256":"157c1875bebb7dfad6663f3ae38ef29cdc8b44bc54b48e897067cfac7645cb1c"},"schema_version":"1.0"},"canonical_sha256":"386c8146eb3fd917f490e602ce2c0726fe1add6c0813b5e112886f6361a09217","source":{"kind":"arxiv","id":"hep-ex/0106068","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0106068","created_at":"2026-07-04T17:29:40Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0106068v2","created_at":"2026-07-04T17:29:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0106068","created_at":"2026-07-04T17:29:40Z"},{"alias_kind":"pith_short_12","alias_value":"HBWICRXLH7MR","created_at":"2026-07-04T17:29:40Z"},{"alias_kind":"pith_short_16","alias_value":"HBWICRXLH7MRP5EQ","created_at":"2026-07-04T17:29:40Z"},{"alias_kind":"pith_short_8","alias_value":"HBWICRXL","created_at":"2026-07-04T17:29:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:HBWICRXLH7MRP5EQ4YBM4LAHE3","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ex/0106068","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2001-06-18T20:06:03Z","cross_cats_sorted":[],"title_canon_sha256":"f99ba247a0157f5cc7121721e658d9e59cab92f676c42c0afe3e372b63c950f9","abstract_canon_sha256":"157c1875bebb7dfad6663f3ae38ef29cdc8b44bc54b48e897067cfac7645cb1c"},"schema_version":"1.0"},"canonical_sha256":"386c8146eb3fd917f490e602ce2c0726fe1add6c0813b5e112886f6361a09217","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:29:40.279728Z","signature_b64":"/H/IRaMwOjMywGJ2LHpzUIpwfptTRhIh8pOGGQMrbCyVDt6syDOuXtlmNHk0+4m6UnVdqIIQ+lzsz2l1XD6gAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"386c8146eb3fd917f490e602ce2c0726fe1add6c0813b5e112886f6361a09217","last_reissued_at":"2026-07-04T17:29:40.279360Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:29:40.279360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ex/0106068","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T17:29:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"415EEGseJpG3T7SAIkcmwq1fNp1Z8gSfzerHoEhMmKrriSAOqlFsFMh5OwYVtc++K6DUr3abDwy4CHfcO8inCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T20:37:54.355797Z"},"content_sha256":"86b778285c3e68ac5aa4e0d12049fa7bb51d870e480e762e519971a8daf4e9d8","schema_version":"1.0","event_id":"sha256:86b778285c3e68ac5aa4e0d12049fa7bb51d870e480e762e519971a8daf4e9d8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:HBWICRXLH7MRP5EQ4YBM4LAHE3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurement of the Beam-Spin Azimuthal Asymmetry Associated with Deeply-Virtual Compton Scattering","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al, Hermes Collaboration: A. Airapetian","submitted_at":"2001-06-18T20:06:03Z","abstract_excerpt":"The beam-spin asymmetry in hard electroproduction of photons has been measured for the first time. The data have been accumulated by the HERMES experiment at DESY using the HERA 27.6 GeV longitudinally polarized positron beam and an unpolarized hydrogen gas target. The asymmetry in the azimuthal distribution of the produced photons in the angle phi relative to the lepton scattering plane was determined with respect to the helicity state of the incoming positron beam. The beam-spin analyzing power in the sin(phi) moment was measured to be -0.23 +/- 0.04(stat) +/- 0.03(syst) in the missing-mass "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0106068","kind":"arxiv","version":2},"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/0106068/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":"2026-07-04T17:29:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xTdIvpmY4ssAvo5xP2GPTO0LhqeQPigLM/WmZCf9LGX+7nu+VQ6p7/EXLz4SV6Gt3i8JW1BUC/SgobSGNAc6Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T20:37:54.356525Z"},"content_sha256":"6188c7d64cdccf47d97509cb2461c03682844d5f52df692a2b372c012237c003","schema_version":"1.0","event_id":"sha256:6188c7d64cdccf47d97509cb2461c03682844d5f52df692a2b372c012237c003"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HBWICRXLH7MRP5EQ4YBM4LAHE3/bundle.json","state_url":"https://pith.science/pith/HBWICRXLH7MRP5EQ4YBM4LAHE3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HBWICRXLH7MRP5EQ4YBM4LAHE3/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":"2026-08-19T20:37:54Z","links":{"resolver":"https://pith.science/pith/HBWICRXLH7MRP5EQ4YBM4LAHE3","bundle":"https://pith.science/pith/HBWICRXLH7MRP5EQ4YBM4LAHE3/bundle.json","state":"https://pith.science/pith/HBWICRXLH7MRP5EQ4YBM4LAHE3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HBWICRXLH7MRP5EQ4YBM4LAHE3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:HBWICRXLH7MRP5EQ4YBM4LAHE3","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":"157c1875bebb7dfad6663f3ae38ef29cdc8b44bc54b48e897067cfac7645cb1c","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2001-06-18T20:06:03Z","title_canon_sha256":"f99ba247a0157f5cc7121721e658d9e59cab92f676c42c0afe3e372b63c950f9"},"schema_version":"1.0","source":{"id":"hep-ex/0106068","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0106068","created_at":"2026-07-04T17:29:40Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0106068v2","created_at":"2026-07-04T17:29:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0106068","created_at":"2026-07-04T17:29:40Z"},{"alias_kind":"pith_short_12","alias_value":"HBWICRXLH7MR","created_at":"2026-07-04T17:29:40Z"},{"alias_kind":"pith_short_16","alias_value":"HBWICRXLH7MRP5EQ","created_at":"2026-07-04T17:29:40Z"},{"alias_kind":"pith_short_8","alias_value":"HBWICRXL","created_at":"2026-07-04T17:29:40Z"}],"graph_snapshots":[{"event_id":"sha256:6188c7d64cdccf47d97509cb2461c03682844d5f52df692a2b372c012237c003","target":"graph","created_at":"2026-07-04T17:29:40Z","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/0106068/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The beam-spin asymmetry in hard electroproduction of photons has been measured for the first time. The data have been accumulated by the HERMES experiment at DESY using the HERA 27.6 GeV longitudinally polarized positron beam and an unpolarized hydrogen gas target. The asymmetry in the azimuthal distribution of the produced photons in the angle phi relative to the lepton scattering plane was determined with respect to the helicity state of the incoming positron beam. The beam-spin analyzing power in the sin(phi) moment was measured to be -0.23 +/- 0.04(stat) +/- 0.03(syst) in the missing-mass ","authors_text":"et al, Hermes Collaboration: A. Airapetian","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"2001-06-18T20:06:03Z","title":"Measurement of the Beam-Spin Azimuthal Asymmetry Associated with Deeply-Virtual Compton Scattering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0106068","kind":"arxiv","version":2},"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":"sha256:86b778285c3e68ac5aa4e0d12049fa7bb51d870e480e762e519971a8daf4e9d8","target":"record","created_at":"2026-07-04T17:29:40Z","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":"157c1875bebb7dfad6663f3ae38ef29cdc8b44bc54b48e897067cfac7645cb1c","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2001-06-18T20:06:03Z","title_canon_sha256":"f99ba247a0157f5cc7121721e658d9e59cab92f676c42c0afe3e372b63c950f9"},"schema_version":"1.0","source":{"id":"hep-ex/0106068","kind":"arxiv","version":2}},"canonical_sha256":"386c8146eb3fd917f490e602ce2c0726fe1add6c0813b5e112886f6361a09217","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"386c8146eb3fd917f490e602ce2c0726fe1add6c0813b5e112886f6361a09217","first_computed_at":"2026-07-04T17:29:40.279360Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:29:40.279360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/H/IRaMwOjMywGJ2LHpzUIpwfptTRhIh8pOGGQMrbCyVDt6syDOuXtlmNHk0+4m6UnVdqIIQ+lzsz2l1XD6gAg==","signature_status":"signed_v1","signed_at":"2026-07-04T17:29:40.279728Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ex/0106068","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:86b778285c3e68ac5aa4e0d12049fa7bb51d870e480e762e519971a8daf4e9d8","sha256:6188c7d64cdccf47d97509cb2461c03682844d5f52df692a2b372c012237c003"],"state_sha256":"d2ffb6a9c9cd093efedbe2c3a63cec79a17972981e3d525d3f2f5ce2e151dc64"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VFF/Erv+qVDUXVfvORAfTLknwhvCaAHlojdSBkMKfC7V5V5DWlrM0KjfllTOc4aUFUctDRFsIGPsyHtLgHVBBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T20:37:54.363077Z","bundle_sha256":"dcd3246a7c7ad4e95d3a90b5f786409fe743800e55183428f9145f60f4443e71"}}