{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:2EQWDZFLTSW7ZWLR3UN2UGK3DW","short_pith_number":"pith:2EQWDZFL","canonical_record":{"source":{"id":"1001.3867","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-01-21T19:13:42Z","cross_cats_sorted":[],"title_canon_sha256":"294df3a66badb8776fe23ba915cf5c632350664686fcfc1d53a604684e355b2e","abstract_canon_sha256":"7d7c0f43dd2c4b7385cc97707b3bdc800ef4ad67f8897e8c9ad0fa159541789f"},"schema_version":"1.0"},"canonical_sha256":"d12161e4ab9cadfcd971dd1baa195b1d91d60c6e7aa1a8ee428bef8c82cd7afd","source":{"kind":"arxiv","id":"1001.3867","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.3867","created_at":"2026-05-18T04:28:09Z"},{"alias_kind":"arxiv_version","alias_value":"1001.3867v1","created_at":"2026-05-18T04:28:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.3867","created_at":"2026-05-18T04:28:09Z"},{"alias_kind":"pith_short_12","alias_value":"2EQWDZFLTSW7","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"2EQWDZFLTSW7ZWLR","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"2EQWDZFL","created_at":"2026-05-18T12:26:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:2EQWDZFLTSW7ZWLR3UN2UGK3DW","target":"record","payload":{"canonical_record":{"source":{"id":"1001.3867","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-01-21T19:13:42Z","cross_cats_sorted":[],"title_canon_sha256":"294df3a66badb8776fe23ba915cf5c632350664686fcfc1d53a604684e355b2e","abstract_canon_sha256":"7d7c0f43dd2c4b7385cc97707b3bdc800ef4ad67f8897e8c9ad0fa159541789f"},"schema_version":"1.0"},"canonical_sha256":"d12161e4ab9cadfcd971dd1baa195b1d91d60c6e7aa1a8ee428bef8c82cd7afd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:28:09.944826Z","signature_b64":"ThOJve/eGroNvMIbtdIOmk2ipsu/h0GyRcuZjprGFcsJU4t2ilntKSl8ra1ft3ZJh9uBj1gdkwpaWOZKhmF0Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d12161e4ab9cadfcd971dd1baa195b1d91d60c6e7aa1a8ee428bef8c82cd7afd","last_reissued_at":"2026-05-18T04:28:09.944271Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:28:09.944271Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1001.3867","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":"2026-05-18T04:28:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yG1p1k4BeZ4b/SQoiDJkQYcOUZTSCjWc8PozcFMm/tfA9AoXBJtZL/OmevPHPepxsKCAlGKp1C9Ur6XpZENHDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T20:26:12.525736Z"},"content_sha256":"acb6ae3784d589a0a59e99d0535abd7891a42d363161eacb6df58967a697dace","schema_version":"1.0","event_id":"sha256:acb6ae3784d589a0a59e99d0535abd7891a42d363161eacb6df58967a697dace"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:2EQWDZFLTSW7ZWLR3UN2UGK3DW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The symmetry energy in nuclear reactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Le Fevre, A. Pagano, A. S. Botvina, C. Sfienti, I. N. Mishustin, J. Lukasik, M. Chartier, N. Buyukcizmeci, P. Pawlowski, P. Russotto, P. Z. Wu, Q. Li, R. C. Lemmon, R. Ogul, S. Bianchin, W. Trautmann, Y. Leifels","submitted_at":"2010-01-21T19:13:42Z","abstract_excerpt":"New results for the strength of the symmetry energy are presented which illustrate the complementary aspects encountered in reactions probing nuclear densities below and above saturation. A systematic study of isotopic effects in spectator fragmentation was performed at the ALADIN spectrometer with 124Sn primary and 107Sn and 124La secondary beams of 600 MeV/nucleon incident energy. The analysis within the Statistical Fragmentation Model shows that the symmetry-term coefficient entering the liquid-drop description of the emerging fragments decreases significantly as the multiplicity of fragmen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.3867","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":"2026-05-18T04:28:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QMDGvLl0vnRTQYiBVBlzRdfb+uLom0U6QuHlYUfC9TDmwxk/KJfzafsSHKEnQ7mpuXK7Qjujxqqzqfen/JvNDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T20:26:12.526182Z"},"content_sha256":"f83d02966fefd88a3516b34992f558a851f79100bca13484115b5b0c4f351c30","schema_version":"1.0","event_id":"sha256:f83d02966fefd88a3516b34992f558a851f79100bca13484115b5b0c4f351c30"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2EQWDZFLTSW7ZWLR3UN2UGK3DW/bundle.json","state_url":"https://pith.science/pith/2EQWDZFLTSW7ZWLR3UN2UGK3DW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2EQWDZFLTSW7ZWLR3UN2UGK3DW/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":"2026-05-24T20:26:12Z","links":{"resolver":"https://pith.science/pith/2EQWDZFLTSW7ZWLR3UN2UGK3DW","bundle":"https://pith.science/pith/2EQWDZFLTSW7ZWLR3UN2UGK3DW/bundle.json","state":"https://pith.science/pith/2EQWDZFLTSW7ZWLR3UN2UGK3DW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2EQWDZFLTSW7ZWLR3UN2UGK3DW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:2EQWDZFLTSW7ZWLR3UN2UGK3DW","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":"7d7c0f43dd2c4b7385cc97707b3bdc800ef4ad67f8897e8c9ad0fa159541789f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-01-21T19:13:42Z","title_canon_sha256":"294df3a66badb8776fe23ba915cf5c632350664686fcfc1d53a604684e355b2e"},"schema_version":"1.0","source":{"id":"1001.3867","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.3867","created_at":"2026-05-18T04:28:09Z"},{"alias_kind":"arxiv_version","alias_value":"1001.3867v1","created_at":"2026-05-18T04:28:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.3867","created_at":"2026-05-18T04:28:09Z"},{"alias_kind":"pith_short_12","alias_value":"2EQWDZFLTSW7","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"2EQWDZFLTSW7ZWLR","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"2EQWDZFL","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:f83d02966fefd88a3516b34992f558a851f79100bca13484115b5b0c4f351c30","target":"graph","created_at":"2026-05-18T04:28:09Z","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":"New results for the strength of the symmetry energy are presented which illustrate the complementary aspects encountered in reactions probing nuclear densities below and above saturation. A systematic study of isotopic effects in spectator fragmentation was performed at the ALADIN spectrometer with 124Sn primary and 107Sn and 124La secondary beams of 600 MeV/nucleon incident energy. The analysis within the Statistical Fragmentation Model shows that the symmetry-term coefficient entering the liquid-drop description of the emerging fragments decreases significantly as the multiplicity of fragmen","authors_text":"A. Le Fevre, A. Pagano, A. S. Botvina, C. Sfienti, I. N. Mishustin, J. Lukasik, M. Chartier, N. Buyukcizmeci, P. Pawlowski, P. Russotto, P. Z. Wu, Q. Li, R. C. Lemmon, R. Ogul, S. Bianchin, W. Trautmann, Y. Leifels","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-01-21T19:13:42Z","title":"The symmetry energy in nuclear reactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.3867","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:acb6ae3784d589a0a59e99d0535abd7891a42d363161eacb6df58967a697dace","target":"record","created_at":"2026-05-18T04:28:09Z","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":"7d7c0f43dd2c4b7385cc97707b3bdc800ef4ad67f8897e8c9ad0fa159541789f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-01-21T19:13:42Z","title_canon_sha256":"294df3a66badb8776fe23ba915cf5c632350664686fcfc1d53a604684e355b2e"},"schema_version":"1.0","source":{"id":"1001.3867","kind":"arxiv","version":1}},"canonical_sha256":"d12161e4ab9cadfcd971dd1baa195b1d91d60c6e7aa1a8ee428bef8c82cd7afd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d12161e4ab9cadfcd971dd1baa195b1d91d60c6e7aa1a8ee428bef8c82cd7afd","first_computed_at":"2026-05-18T04:28:09.944271Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:28:09.944271Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ThOJve/eGroNvMIbtdIOmk2ipsu/h0GyRcuZjprGFcsJU4t2ilntKSl8ra1ft3ZJh9uBj1gdkwpaWOZKhmF0Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:28:09.944826Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.3867","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:acb6ae3784d589a0a59e99d0535abd7891a42d363161eacb6df58967a697dace","sha256:f83d02966fefd88a3516b34992f558a851f79100bca13484115b5b0c4f351c30"],"state_sha256":"00982ad7bde03f5f3ddff31d0b04a48ae087f32d31e2339e952b96ca8b2e078d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0MJKtpSrTxLkAMNooPG/BQaB/H87b2/ZucU1Ah7Gb7SJ8Vx/0z424a62KHC5iju6Z9h49OJqZx78aUaN4tJIAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T20:26:12.529176Z","bundle_sha256":"6cf27d3f45d425b79acb53587169bb44f30a05779f1c0a275425b5d8919508d1"}}