{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:4BSBWCG6AKCLT3DKYTV2YEV2LC","short_pith_number":"pith:4BSBWCG6","canonical_record":{"source":{"id":"1605.09418","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-05-30T21:15:16Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"7b1bf7c268ba90d15b483e2dcff6ba3dfccc3b3c37a76b0cf12bea7723d2407a","abstract_canon_sha256":"b9b482720f93c9d0433671f2ff493f84419bbe70c96da92ff395eef3396a9e11"},"schema_version":"1.0"},"canonical_sha256":"e0641b08de0284b9ec6ac4ebac12ba5892d71ee4faa495e87fbe33d1a71cdd98","source":{"kind":"arxiv","id":"1605.09418","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.09418","created_at":"2026-05-18T01:04:20Z"},{"alias_kind":"arxiv_version","alias_value":"1605.09418v1","created_at":"2026-05-18T01:04:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.09418","created_at":"2026-05-18T01:04:20Z"},{"alias_kind":"pith_short_12","alias_value":"4BSBWCG6AKCL","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"4BSBWCG6AKCLT3DK","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"4BSBWCG6","created_at":"2026-05-18T12:29:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:4BSBWCG6AKCLT3DKYTV2YEV2LC","target":"record","payload":{"canonical_record":{"source":{"id":"1605.09418","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-05-30T21:15:16Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"7b1bf7c268ba90d15b483e2dcff6ba3dfccc3b3c37a76b0cf12bea7723d2407a","abstract_canon_sha256":"b9b482720f93c9d0433671f2ff493f84419bbe70c96da92ff395eef3396a9e11"},"schema_version":"1.0"},"canonical_sha256":"e0641b08de0284b9ec6ac4ebac12ba5892d71ee4faa495e87fbe33d1a71cdd98","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:20.156969Z","signature_b64":"zq09i+KIt5uaIeLq7P9vSDD21/nTmOuiDhgZ+CvFSFSt2iW3KRrp7ktBf6afqWbvfG44TWtxBFqZEHw9sGb1CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e0641b08de0284b9ec6ac4ebac12ba5892d71ee4faa495e87fbe33d1a71cdd98","last_reissued_at":"2026-05-18T01:04:20.156530Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:20.156530Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.09418","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":"2026-05-18T01:04:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VPr5yXs6cwtz12ukJJmBCE/rurIJr1dmBayDikeHbLhXAfkAPZwoA7ssaF/Xgy5lg1XurUalx4gaEI28TaItBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T05:02:13.640091Z"},"content_sha256":"049da8c5161f320040a6fa21c142c824386cc209e9d27e453a5e88dc767a6679","schema_version":"1.0","event_id":"sha256:049da8c5161f320040a6fa21c142c824386cc209e9d27e453a5e88dc767a6679"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:4BSBWCG6AKCLT3DKYTV2YEV2LC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Initial state fluctuations in collisions between light and heavy ions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"Jordan Singer, Kevin Welsh, Ulrich W. Heinz (Ohio State)","submitted_at":"2016-05-30T21:15:16Z","abstract_excerpt":"In high energy collisions involving small nuclei (p+p or x+Au collisions where x=p, d, or $^3$He) the fluctuating size, shape and internal gluonic structure of the nucleon is shown to have a strong effect on the initial size and shape of the fireball of new matter created in the collision. A systematic study of the eccentricity coefficients describing this initial fireball state for several semi-realistic models of nucleon substructure and for several practically relevant collision systems involving small nuclei is presented. The key importance of multiplicity fluctuations in such systems is p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.09418","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":"2026-05-18T01:04:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RnJCkPDzIPIGQF++5grvTQ/de5gSRgRpws+3iuJodGRg5AqYI3SMxOISKu5M5i37xwtMiutQsT5CK76CBT6bDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T05:02:13.640830Z"},"content_sha256":"8024eb01bfa5e2820dfd745a4e232815499228c1fcfadee4fdab94a46abab15c","schema_version":"1.0","event_id":"sha256:8024eb01bfa5e2820dfd745a4e232815499228c1fcfadee4fdab94a46abab15c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4BSBWCG6AKCLT3DKYTV2YEV2LC/bundle.json","state_url":"https://pith.science/pith/4BSBWCG6AKCLT3DKYTV2YEV2LC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4BSBWCG6AKCLT3DKYTV2YEV2LC/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":"2026-06-11T05:02:13Z","links":{"resolver":"https://pith.science/pith/4BSBWCG6AKCLT3DKYTV2YEV2LC","bundle":"https://pith.science/pith/4BSBWCG6AKCLT3DKYTV2YEV2LC/bundle.json","state":"https://pith.science/pith/4BSBWCG6AKCLT3DKYTV2YEV2LC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4BSBWCG6AKCLT3DKYTV2YEV2LC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:4BSBWCG6AKCLT3DKYTV2YEV2LC","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":"b9b482720f93c9d0433671f2ff493f84419bbe70c96da92ff395eef3396a9e11","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-05-30T21:15:16Z","title_canon_sha256":"7b1bf7c268ba90d15b483e2dcff6ba3dfccc3b3c37a76b0cf12bea7723d2407a"},"schema_version":"1.0","source":{"id":"1605.09418","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.09418","created_at":"2026-05-18T01:04:20Z"},{"alias_kind":"arxiv_version","alias_value":"1605.09418v1","created_at":"2026-05-18T01:04:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.09418","created_at":"2026-05-18T01:04:20Z"},{"alias_kind":"pith_short_12","alias_value":"4BSBWCG6AKCL","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"4BSBWCG6AKCLT3DK","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"4BSBWCG6","created_at":"2026-05-18T12:29:58Z"}],"graph_snapshots":[{"event_id":"sha256:8024eb01bfa5e2820dfd745a4e232815499228c1fcfadee4fdab94a46abab15c","target":"graph","created_at":"2026-05-18T01:04:20Z","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":"In high energy collisions involving small nuclei (p+p or x+Au collisions where x=p, d, or $^3$He) the fluctuating size, shape and internal gluonic structure of the nucleon is shown to have a strong effect on the initial size and shape of the fireball of new matter created in the collision. A systematic study of the eccentricity coefficients describing this initial fireball state for several semi-realistic models of nucleon substructure and for several practically relevant collision systems involving small nuclei is presented. The key importance of multiplicity fluctuations in such systems is p","authors_text":"Jordan Singer, Kevin Welsh, Ulrich W. Heinz (Ohio State)","cross_cats":["hep-ph","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-05-30T21:15:16Z","title":"Initial state fluctuations in collisions between light and heavy ions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.09418","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":"sha256:049da8c5161f320040a6fa21c142c824386cc209e9d27e453a5e88dc767a6679","target":"record","created_at":"2026-05-18T01:04:20Z","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":"b9b482720f93c9d0433671f2ff493f84419bbe70c96da92ff395eef3396a9e11","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-05-30T21:15:16Z","title_canon_sha256":"7b1bf7c268ba90d15b483e2dcff6ba3dfccc3b3c37a76b0cf12bea7723d2407a"},"schema_version":"1.0","source":{"id":"1605.09418","kind":"arxiv","version":1}},"canonical_sha256":"e0641b08de0284b9ec6ac4ebac12ba5892d71ee4faa495e87fbe33d1a71cdd98","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e0641b08de0284b9ec6ac4ebac12ba5892d71ee4faa495e87fbe33d1a71cdd98","first_computed_at":"2026-05-18T01:04:20.156530Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:04:20.156530Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zq09i+KIt5uaIeLq7P9vSDD21/nTmOuiDhgZ+CvFSFSt2iW3KRrp7ktBf6afqWbvfG44TWtxBFqZEHw9sGb1CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:04:20.156969Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.09418","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:049da8c5161f320040a6fa21c142c824386cc209e9d27e453a5e88dc767a6679","sha256:8024eb01bfa5e2820dfd745a4e232815499228c1fcfadee4fdab94a46abab15c"],"state_sha256":"7f7ce34e85b878c91fdb533a90be02056f2974fbee380463809c55d82ad5aa65"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dvoFj+uOk7F1SDbGuhvy7pyZYBso1us6f/3ZvQol3kvAwnZ19zq2b6p1m+jtOBVYxZf69XLdde7BOHkLG+4yBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T05:02:13.644522Z","bundle_sha256":"d9e4266ee27a39d21c2208d1f52b3833f9b9b4d71c7e885f65dd290048604044"}}