{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:AFJZEPDLYBQDLK7XN7YCL3OWLI","short_pith_number":"pith:AFJZEPDL","canonical_record":{"source":{"id":"physics/0408138","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.atom-ph","submitted_at":"2004-08-31T15:31:44Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"2e573656315babc4fedd8cface23f1b9f2a0c726929cdd04fa873644df522c38","abstract_canon_sha256":"a76dbe9e4efc173bb61549ffa1922d547cf865986eea93423ca42effe5a51f5c"},"schema_version":"1.0"},"canonical_sha256":"0153923c6bc06035abf76ff025edd65a11ceecbc7d4a2a5ec27e62d91a4c3ce6","source":{"kind":"arxiv","id":"physics/0408138","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0408138","created_at":"2026-05-18T03:47:09Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0408138v1","created_at":"2026-05-18T03:47:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0408138","created_at":"2026-05-18T03:47:09Z"},{"alias_kind":"pith_short_12","alias_value":"AFJZEPDLYBQD","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"AFJZEPDLYBQDLK7X","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"AFJZEPDL","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:AFJZEPDLYBQDLK7XN7YCL3OWLI","target":"record","payload":{"canonical_record":{"source":{"id":"physics/0408138","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.atom-ph","submitted_at":"2004-08-31T15:31:44Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"2e573656315babc4fedd8cface23f1b9f2a0c726929cdd04fa873644df522c38","abstract_canon_sha256":"a76dbe9e4efc173bb61549ffa1922d547cf865986eea93423ca42effe5a51f5c"},"schema_version":"1.0"},"canonical_sha256":"0153923c6bc06035abf76ff025edd65a11ceecbc7d4a2a5ec27e62d91a4c3ce6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:47:09.477025Z","signature_b64":"gIJlHnGVg7T3CM4BcZBa8S4+XAE1gKOkWjvnc6CbcRhELAm/STnEbg4gyDj1B7l8g6NLsZxHaBC+z2WJ/5FnDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0153923c6bc06035abf76ff025edd65a11ceecbc7d4a2a5ec27e62d91a4c3ce6","last_reissued_at":"2026-05-18T03:47:09.476570Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:47:09.476570Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"physics/0408138","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":"2026-05-18T03:47:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iymXo8IutsYt0NeLX84oPyZHjjC8NWLSixRFYI9mDd/6lnRLUql0cTzYoZwq98aXA5HIVUpc69s0pFAUWqvrDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T10:05:24.057121Z"},"content_sha256":"ed640a9455a130f537d336670dc9d767fac838637ac15d88c9695487d751e001","schema_version":"1.0","event_id":"sha256:ed640a9455a130f537d336670dc9d767fac838637ac15d88c9695487d751e001"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:AFJZEPDLYBQDLK7XN7YCL3OWLI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nuclear Polarization of Molecular Hydrogen Recombined on a Non-metallic Surface","license":"","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"physics.atom-ph","authors_text":"The HERMES Collaboration","submitted_at":"2004-08-31T15:31:44Z","abstract_excerpt":"The nuclear polarization of $\\mathrm{H}_2$ molecules formed by recombination of nuclear polarized H atoms on the surface of a storage cell initially coated with a silicon-based polymer has been measured by using the longitudinal double-spin asymmetry in deep-inelastic positron-proton scattering. The molecules are found to have a substantial nuclear polarization, which is evidence that initially polarized atoms retain their nuclear polarization when absorbed on this type of surface"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0408138","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":""},"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":"2026-05-18T03:47:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vSfCvYs0uR3F/FiZSrwligwLWFKQZMmZRxBrOZb8LG8FDn+m8H9qpiW6MUHtgMvCxEyJ4LxkM2dC/9umnYdjDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T10:05:24.057482Z"},"content_sha256":"1aac47a8456b45653a78f7de69b6e504e58f05f3c3d3b764f0e1905a15d5c148","schema_version":"1.0","event_id":"sha256:1aac47a8456b45653a78f7de69b6e504e58f05f3c3d3b764f0e1905a15d5c148"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AFJZEPDLYBQDLK7XN7YCL3OWLI/bundle.json","state_url":"https://pith.science/pith/AFJZEPDLYBQDLK7XN7YCL3OWLI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AFJZEPDLYBQDLK7XN7YCL3OWLI/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":"2026-06-05T10:05:24Z","links":{"resolver":"https://pith.science/pith/AFJZEPDLYBQDLK7XN7YCL3OWLI","bundle":"https://pith.science/pith/AFJZEPDLYBQDLK7XN7YCL3OWLI/bundle.json","state":"https://pith.science/pith/AFJZEPDLYBQDLK7XN7YCL3OWLI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AFJZEPDLYBQDLK7XN7YCL3OWLI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:AFJZEPDLYBQDLK7XN7YCL3OWLI","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":"a76dbe9e4efc173bb61549ffa1922d547cf865986eea93423ca42effe5a51f5c","cross_cats_sorted":["physics.chem-ph"],"license":"","primary_cat":"physics.atom-ph","submitted_at":"2004-08-31T15:31:44Z","title_canon_sha256":"2e573656315babc4fedd8cface23f1b9f2a0c726929cdd04fa873644df522c38"},"schema_version":"1.0","source":{"id":"physics/0408138","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0408138","created_at":"2026-05-18T03:47:09Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0408138v1","created_at":"2026-05-18T03:47:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0408138","created_at":"2026-05-18T03:47:09Z"},{"alias_kind":"pith_short_12","alias_value":"AFJZEPDLYBQD","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"AFJZEPDLYBQDLK7X","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"AFJZEPDL","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:1aac47a8456b45653a78f7de69b6e504e58f05f3c3d3b764f0e1905a15d5c148","target":"graph","created_at":"2026-05-18T03:47:09Z","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":"The nuclear polarization of $\\mathrm{H}_2$ molecules formed by recombination of nuclear polarized H atoms on the surface of a storage cell initially coated with a silicon-based polymer has been measured by using the longitudinal double-spin asymmetry in deep-inelastic positron-proton scattering. The molecules are found to have a substantial nuclear polarization, which is evidence that initially polarized atoms retain their nuclear polarization when absorbed on this type of surface","authors_text":"The HERMES Collaboration","cross_cats":["physics.chem-ph"],"headline":"","license":"","primary_cat":"physics.atom-ph","submitted_at":"2004-08-31T15:31:44Z","title":"Nuclear Polarization of Molecular Hydrogen Recombined on a Non-metallic Surface"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0408138","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:ed640a9455a130f537d336670dc9d767fac838637ac15d88c9695487d751e001","target":"record","created_at":"2026-05-18T03:47:09Z","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":"a76dbe9e4efc173bb61549ffa1922d547cf865986eea93423ca42effe5a51f5c","cross_cats_sorted":["physics.chem-ph"],"license":"","primary_cat":"physics.atom-ph","submitted_at":"2004-08-31T15:31:44Z","title_canon_sha256":"2e573656315babc4fedd8cface23f1b9f2a0c726929cdd04fa873644df522c38"},"schema_version":"1.0","source":{"id":"physics/0408138","kind":"arxiv","version":1}},"canonical_sha256":"0153923c6bc06035abf76ff025edd65a11ceecbc7d4a2a5ec27e62d91a4c3ce6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0153923c6bc06035abf76ff025edd65a11ceecbc7d4a2a5ec27e62d91a4c3ce6","first_computed_at":"2026-05-18T03:47:09.476570Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:47:09.476570Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gIJlHnGVg7T3CM4BcZBa8S4+XAE1gKOkWjvnc6CbcRhELAm/STnEbg4gyDj1B7l8g6NLsZxHaBC+z2WJ/5FnDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:47:09.477025Z","signed_message":"canonical_sha256_bytes"},"source_id":"physics/0408138","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ed640a9455a130f537d336670dc9d767fac838637ac15d88c9695487d751e001","sha256:1aac47a8456b45653a78f7de69b6e504e58f05f3c3d3b764f0e1905a15d5c148"],"state_sha256":"4315487880dfa3f33a18bd64e60b29075c8c28602143ca6cc6554bfef5965ca6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A5NmX1mlbgFXu3NLscVtQKFcV+FU8wyN1T6ceifY1X0+VPbpC4Cz8QwPesOlSaxJe3q4BmzotCQIyLBBeoe1Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T10:05:24.059470Z","bundle_sha256":"9aa5c7efa863c260d5046259a2c11eca90d9a33946a7a1d5658fe48b5cb9a2f0"}}