{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:VI7ICEOA2OYULT3MMSCCXQ6AC2","short_pith_number":"pith:VI7ICEOA","canonical_record":{"source":{"id":"nucl-ex/9910004","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"1999-10-07T16:15:11Z","cross_cats_sorted":[],"title_canon_sha256":"0fe939bc1eb400bcae9cd01f6e5575398fdd23afd38f9a4a4f8fb8b17058fe4e","abstract_canon_sha256":"a30a37821e7524d58ed0404cb0611ceedcab4638d87b032cf9866eeb231fc7a7"},"schema_version":"1.0"},"canonical_sha256":"aa3e8111c0d3b145cf6c64842bc3c016be4ac25ac79518f6b23a885d59f26892","source":{"kind":"arxiv","id":"nucl-ex/9910004","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/9910004","created_at":"2026-05-18T04:15:07Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/9910004v2","created_at":"2026-05-18T04:15:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/9910004","created_at":"2026-05-18T04:15:07Z"},{"alias_kind":"pith_short_12","alias_value":"VI7ICEOA2OYU","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"VI7ICEOA2OYULT3M","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"VI7ICEOA","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:VI7ICEOA2OYULT3MMSCCXQ6AC2","target":"record","payload":{"canonical_record":{"source":{"id":"nucl-ex/9910004","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"1999-10-07T16:15:11Z","cross_cats_sorted":[],"title_canon_sha256":"0fe939bc1eb400bcae9cd01f6e5575398fdd23afd38f9a4a4f8fb8b17058fe4e","abstract_canon_sha256":"a30a37821e7524d58ed0404cb0611ceedcab4638d87b032cf9866eeb231fc7a7"},"schema_version":"1.0"},"canonical_sha256":"aa3e8111c0d3b145cf6c64842bc3c016be4ac25ac79518f6b23a885d59f26892","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:15:07.110907Z","signature_b64":"qnbyUoa1Dt5Gh9W/MdvV1ktv0F+mQXFJtytzQ2/0YuAj0Eq2OT9UZwHp7f/exMN/k2x2C/O382XTDof/7RwrAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa3e8111c0d3b145cf6c64842bc3c016be4ac25ac79518f6b23a885d59f26892","last_reissued_at":"2026-05-18T04:15:07.110334Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:15:07.110334Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"nucl-ex/9910004","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":"2026-05-18T04:15:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4qILyVoMpbTY0X6jzqPAszjlbpnZWK3LqxQFI6MQNueGQPA/UCd7AC6ux5XvLduooyvA01bYJop+YhVaC3FwAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T13:53:14.871713Z"},"content_sha256":"a5511c6711f0db513c5bffe19456c77ef633fe9bdd83ab79d467cbba64054a8c","schema_version":"1.0","event_id":"sha256:a5511c6711f0db513c5bffe19456c77ef633fe9bdd83ab79d467cbba64054a8c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:VI7ICEOA2OYULT3MMSCCXQ6AC2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Proton and Pion Production in Au+Au Collisions at 10.8A GeV/c","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"et al (E877 Collaboration), J.Barrette","submitted_at":"1999-10-07T16:15:11Z","abstract_excerpt":"We present proton and pion tranverse momentum spectra and rapidity distributions for Au+Au collisions at 10.8A GeV/c. The proton spectra exhibit collective transverse flow effects. Evidence of the influence of the Coulomb interaction from the fireball is found in the pion transverse momentum spectra. The data are compared with the predictions of the RQMD event generator."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/9910004","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":""},"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":"2026-05-18T04:15:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2xUvNcVlaP4oM52zeTDZwyc5vAiAaPv6vQIkfrdKdS/zTIi0DFp5wfWgCqi37CVcJZda8gg2gTNjTmQXypF/Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T13:53:14.872389Z"},"content_sha256":"c6c11c35951c2006a4b31ede04077433ac77b7e745c82ae5ec009a62023b9d1f","schema_version":"1.0","event_id":"sha256:c6c11c35951c2006a4b31ede04077433ac77b7e745c82ae5ec009a62023b9d1f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VI7ICEOA2OYULT3MMSCCXQ6AC2/bundle.json","state_url":"https://pith.science/pith/VI7ICEOA2OYULT3MMSCCXQ6AC2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VI7ICEOA2OYULT3MMSCCXQ6AC2/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":"2026-06-11T13:53:14Z","links":{"resolver":"https://pith.science/pith/VI7ICEOA2OYULT3MMSCCXQ6AC2","bundle":"https://pith.science/pith/VI7ICEOA2OYULT3MMSCCXQ6AC2/bundle.json","state":"https://pith.science/pith/VI7ICEOA2OYULT3MMSCCXQ6AC2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VI7ICEOA2OYULT3MMSCCXQ6AC2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:VI7ICEOA2OYULT3MMSCCXQ6AC2","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":"a30a37821e7524d58ed0404cb0611ceedcab4638d87b032cf9866eeb231fc7a7","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"1999-10-07T16:15:11Z","title_canon_sha256":"0fe939bc1eb400bcae9cd01f6e5575398fdd23afd38f9a4a4f8fb8b17058fe4e"},"schema_version":"1.0","source":{"id":"nucl-ex/9910004","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/9910004","created_at":"2026-05-18T04:15:07Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/9910004v2","created_at":"2026-05-18T04:15:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/9910004","created_at":"2026-05-18T04:15:07Z"},{"alias_kind":"pith_short_12","alias_value":"VI7ICEOA2OYU","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"VI7ICEOA2OYULT3M","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"VI7ICEOA","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:c6c11c35951c2006a4b31ede04077433ac77b7e745c82ae5ec009a62023b9d1f","target":"graph","created_at":"2026-05-18T04:15:07Z","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":"We present proton and pion tranverse momentum spectra and rapidity distributions for Au+Au collisions at 10.8A GeV/c. The proton spectra exhibit collective transverse flow effects. Evidence of the influence of the Coulomb interaction from the fireball is found in the pion transverse momentum spectra. The data are compared with the predictions of the RQMD event generator.","authors_text":"et al (E877 Collaboration), J.Barrette","cross_cats":[],"headline":"","license":"","primary_cat":"nucl-ex","submitted_at":"1999-10-07T16:15:11Z","title":"Proton and Pion Production in Au+Au Collisions at 10.8A GeV/c"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/9910004","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:a5511c6711f0db513c5bffe19456c77ef633fe9bdd83ab79d467cbba64054a8c","target":"record","created_at":"2026-05-18T04:15:07Z","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":"a30a37821e7524d58ed0404cb0611ceedcab4638d87b032cf9866eeb231fc7a7","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"1999-10-07T16:15:11Z","title_canon_sha256":"0fe939bc1eb400bcae9cd01f6e5575398fdd23afd38f9a4a4f8fb8b17058fe4e"},"schema_version":"1.0","source":{"id":"nucl-ex/9910004","kind":"arxiv","version":2}},"canonical_sha256":"aa3e8111c0d3b145cf6c64842bc3c016be4ac25ac79518f6b23a885d59f26892","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aa3e8111c0d3b145cf6c64842bc3c016be4ac25ac79518f6b23a885d59f26892","first_computed_at":"2026-05-18T04:15:07.110334Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:15:07.110334Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qnbyUoa1Dt5Gh9W/MdvV1ktv0F+mQXFJtytzQ2/0YuAj0Eq2OT9UZwHp7f/exMN/k2x2C/O382XTDof/7RwrAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:15:07.110907Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-ex/9910004","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a5511c6711f0db513c5bffe19456c77ef633fe9bdd83ab79d467cbba64054a8c","sha256:c6c11c35951c2006a4b31ede04077433ac77b7e745c82ae5ec009a62023b9d1f"],"state_sha256":"e12917b1b7096eb2b48bde7f1f1512a5201688a45305280e497c38386e854141"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WsN+bQBYE5QcmNnh210LiRVI9Vun7ZgbAJUufyivok4Q2rnD/HWI/tMbOU3gTmi8wgNo8tptdFabeKEkCXA8BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T13:53:14.876069Z","bundle_sha256":"d2cb95fdc303c8be974ff2a288234de6880ebba72c75614bc3410d9430999b14"}}