{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:RQXU3WVMGVNWAMZY6GUCZWDGRL","short_pith_number":"pith:RQXU3WVM","canonical_record":{"source":{"id":"1209.5961","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-09-26T14:50:21Z","cross_cats_sorted":[],"title_canon_sha256":"e359ffa94b50f99cffebd424a5dccf77d1f29b11f4f82d15936eaf215bdecfe5","abstract_canon_sha256":"999e9470e7eafe1fa2fb74548660d5b5af8cd888cdefc87a64afb52d5e3c6efb"},"schema_version":"1.0"},"canonical_sha256":"8c2f4ddaac355b603338f1a82cd8668ae86061440cf9ddf51247635768b62f6f","source":{"kind":"arxiv","id":"1209.5961","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.5961","created_at":"2026-05-18T01:54:18Z"},{"alias_kind":"arxiv_version","alias_value":"1209.5961v1","created_at":"2026-05-18T01:54:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5961","created_at":"2026-05-18T01:54:18Z"},{"alias_kind":"pith_short_12","alias_value":"RQXU3WVMGVNW","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"RQXU3WVMGVNWAMZY","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"RQXU3WVM","created_at":"2026-05-18T12:27:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:RQXU3WVMGVNWAMZY6GUCZWDGRL","target":"record","payload":{"canonical_record":{"source":{"id":"1209.5961","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-09-26T14:50:21Z","cross_cats_sorted":[],"title_canon_sha256":"e359ffa94b50f99cffebd424a5dccf77d1f29b11f4f82d15936eaf215bdecfe5","abstract_canon_sha256":"999e9470e7eafe1fa2fb74548660d5b5af8cd888cdefc87a64afb52d5e3c6efb"},"schema_version":"1.0"},"canonical_sha256":"8c2f4ddaac355b603338f1a82cd8668ae86061440cf9ddf51247635768b62f6f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:54:18.539334Z","signature_b64":"G0JP4xf9Ed71CCsS4JVTc0bczvgFjN42EffgXzoM+JfWmVItB+YAMFv57D7wYEhLjFbX18sFt2zokYRsWujAAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8c2f4ddaac355b603338f1a82cd8668ae86061440cf9ddf51247635768b62f6f","last_reissued_at":"2026-05-18T01:54:18.538805Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:54:18.538805Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.5961","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":"2026-05-18T01:54:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0hoqn6MNEitXeTMpNPF7r3Mc12Kwe8LZQOfpb4vOf17q/zRtG8HZHdF8Ai1S9wWTEEevGPm+dJsJRlNnlpk/Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T18:08:01.953160Z"},"content_sha256":"eaf10ba520ce82d684e1543a3e2862a4cd5985a9f2d1e7e20614991ef05d0ea6","schema_version":"1.0","event_id":"sha256:eaf10ba520ce82d684e1543a3e2862a4cd5985a9f2d1e7e20614991ef05d0ea6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:RQXU3WVMGVNWAMZY6GUCZWDGRL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The ASY-EOS experiment at GSI: investigating the symmetry energy at supra-saturation densities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Al-Ajlan, A. Budzanowski, A. Chbihi, A. Krasznahorkay, A. Le F\\'evre, A. Pagano, A. Trifir\\'o, A. Wieloch, B. Czech, C. Boiano, C. Guazzoni, D. Cozma, D. Rossi, E. De Filippo, E. Geraci, E. La Guidara, E. Rosato, F. Amorini, F. Porto, F. Riccio, F. Rizzo, G. Cardella, G. Lanzalone, G. Politi, G. Verde, H. H. Wolter, H. Simon, I. Ga\\v{s}pari\\'c, I. Lombardo, I. Skwirczynska, J. Benlliure, J. Brzychczyk, J. {\\L}ukasik, K. Boretzky, K. Kezzar, L. Acosta, L. Auditore, L. Grassi, L. Heilborn, L. May, L. Stuhl, L. Zetta, M. Adamczyk, M. Al-Garawi, M. Boisjoli, M. B. Tsang, M. Chartier, M. Colonna, M. Di Toro, M. Famiano, M. Heil, M. Ki\\v{s}, M. Mostazo, M. Papa, M. Trimarchi, M. Veselsky, M. Vigilante, M. Zoric, N. Kurz, P. Cammarata, P. Guazzoni, P. Lasko, P. Marini, P. Paw{\\l}owski, P. Russotto, P. Wigg, P. Wu, P. Zambon, Q. Li, R.C. Lemmon, R. Introzzi, R. Reifarth, S. Al-Homaidhi, S. Gannon, S. Kupny, S. Pirrone, S. Santoro, S. Yennello, T. Aumann, T. Isobe, T. Minniti, V. Baran, V. Greco, W. G. Lynch, W. Reisdorf, W. Trautmann, Y. Ayyad, Y. Leifels, Z. Basrak, Z. Chajecki, Z. Matthews, Z. Sosin","submitted_at":"2012-09-26T14:50:21Z","abstract_excerpt":"The elliptic-flow ratio of neutrons with respect to protons in reactions of neutron rich heavy-ions systems at intermediate energies has been proposed as an observable sensitive to the strength of the symmetry term in the nuclear Equation Of State (EOS) at supra-saturation densities. The recent results obtained from the existing FOPI/LAND data for $^{197}$Au+$^{197}$Au collisions at 400 MeV/nucleon in comparison with the UrQMD model allowed a first estimate of the symmetry term of the EOS but suffer from a considerable statistical uncertainty. In order to obtain an improved data set for Au+Au "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5961","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":"2026-05-18T01:54:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gtV0xAGNo7TXPNkvKzHBkDKpfRuqBwiygUWQJxRHAZ1VRGCYD9nv7nhBye8Aohri2RYG8filFLngR8XM5KjPAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T18:08:01.953825Z"},"content_sha256":"fe494d4e87e21f6c746c794b608f16bb7dcf51c8e1fd836bdd9f45c512b01153","schema_version":"1.0","event_id":"sha256:fe494d4e87e21f6c746c794b608f16bb7dcf51c8e1fd836bdd9f45c512b01153"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RQXU3WVMGVNWAMZY6GUCZWDGRL/bundle.json","state_url":"https://pith.science/pith/RQXU3WVMGVNWAMZY6GUCZWDGRL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RQXU3WVMGVNWAMZY6GUCZWDGRL/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":"2026-05-26T18:08:01Z","links":{"resolver":"https://pith.science/pith/RQXU3WVMGVNWAMZY6GUCZWDGRL","bundle":"https://pith.science/pith/RQXU3WVMGVNWAMZY6GUCZWDGRL/bundle.json","state":"https://pith.science/pith/RQXU3WVMGVNWAMZY6GUCZWDGRL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RQXU3WVMGVNWAMZY6GUCZWDGRL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:RQXU3WVMGVNWAMZY6GUCZWDGRL","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":"999e9470e7eafe1fa2fb74548660d5b5af8cd888cdefc87a64afb52d5e3c6efb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-09-26T14:50:21Z","title_canon_sha256":"e359ffa94b50f99cffebd424a5dccf77d1f29b11f4f82d15936eaf215bdecfe5"},"schema_version":"1.0","source":{"id":"1209.5961","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.5961","created_at":"2026-05-18T01:54:18Z"},{"alias_kind":"arxiv_version","alias_value":"1209.5961v1","created_at":"2026-05-18T01:54:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5961","created_at":"2026-05-18T01:54:18Z"},{"alias_kind":"pith_short_12","alias_value":"RQXU3WVMGVNW","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"RQXU3WVMGVNWAMZY","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"RQXU3WVM","created_at":"2026-05-18T12:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:fe494d4e87e21f6c746c794b608f16bb7dcf51c8e1fd836bdd9f45c512b01153","target":"graph","created_at":"2026-05-18T01:54:18Z","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 elliptic-flow ratio of neutrons with respect to protons in reactions of neutron rich heavy-ions systems at intermediate energies has been proposed as an observable sensitive to the strength of the symmetry term in the nuclear Equation Of State (EOS) at supra-saturation densities. The recent results obtained from the existing FOPI/LAND data for $^{197}$Au+$^{197}$Au collisions at 400 MeV/nucleon in comparison with the UrQMD model allowed a first estimate of the symmetry term of the EOS but suffer from a considerable statistical uncertainty. In order to obtain an improved data set for Au+Au ","authors_text":"A. Al-Ajlan, A. Budzanowski, A. Chbihi, A. Krasznahorkay, A. Le F\\'evre, A. Pagano, A. Trifir\\'o, A. Wieloch, B. Czech, C. Boiano, C. Guazzoni, D. Cozma, D. Rossi, E. De Filippo, E. Geraci, E. La Guidara, E. Rosato, F. Amorini, F. Porto, F. Riccio, F. Rizzo, G. Cardella, G. Lanzalone, G. Politi, G. Verde, H. H. Wolter, H. Simon, I. Ga\\v{s}pari\\'c, I. Lombardo, I. Skwirczynska, J. Benlliure, J. Brzychczyk, J. {\\L}ukasik, K. Boretzky, K. Kezzar, L. Acosta, L. Auditore, L. Grassi, L. Heilborn, L. May, L. Stuhl, L. Zetta, M. Adamczyk, M. Al-Garawi, M. Boisjoli, M. B. Tsang, M. Chartier, M. Colonna, M. Di Toro, M. Famiano, M. Heil, M. Ki\\v{s}, M. Mostazo, M. Papa, M. Trimarchi, M. Veselsky, M. Vigilante, M. Zoric, N. Kurz, P. Cammarata, P. Guazzoni, P. Lasko, P. Marini, P. Paw{\\l}owski, P. Russotto, P. Wigg, P. Wu, P. Zambon, Q. Li, R.C. Lemmon, R. Introzzi, R. Reifarth, S. Al-Homaidhi, S. Gannon, S. Kupny, S. Pirrone, S. Santoro, S. Yennello, T. Aumann, T. Isobe, T. Minniti, V. Baran, V. Greco, W. G. Lynch, W. Reisdorf, W. Trautmann, Y. Ayyad, Y. Leifels, Z. Basrak, Z. Chajecki, Z. Matthews, Z. Sosin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-09-26T14:50:21Z","title":"The ASY-EOS experiment at GSI: investigating the symmetry energy at supra-saturation densities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5961","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:eaf10ba520ce82d684e1543a3e2862a4cd5985a9f2d1e7e20614991ef05d0ea6","target":"record","created_at":"2026-05-18T01:54:18Z","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":"999e9470e7eafe1fa2fb74548660d5b5af8cd888cdefc87a64afb52d5e3c6efb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-09-26T14:50:21Z","title_canon_sha256":"e359ffa94b50f99cffebd424a5dccf77d1f29b11f4f82d15936eaf215bdecfe5"},"schema_version":"1.0","source":{"id":"1209.5961","kind":"arxiv","version":1}},"canonical_sha256":"8c2f4ddaac355b603338f1a82cd8668ae86061440cf9ddf51247635768b62f6f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8c2f4ddaac355b603338f1a82cd8668ae86061440cf9ddf51247635768b62f6f","first_computed_at":"2026-05-18T01:54:18.538805Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:54:18.538805Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G0JP4xf9Ed71CCsS4JVTc0bczvgFjN42EffgXzoM+JfWmVItB+YAMFv57D7wYEhLjFbX18sFt2zokYRsWujAAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:54:18.539334Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.5961","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eaf10ba520ce82d684e1543a3e2862a4cd5985a9f2d1e7e20614991ef05d0ea6","sha256:fe494d4e87e21f6c746c794b608f16bb7dcf51c8e1fd836bdd9f45c512b01153"],"state_sha256":"ab8e8628b984af1a6f45bec97097498f0e634d2b265c61feb5a905ff1a3f5030"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"989wiRYu1d9i7wiHlI6d4jsynVMSsw6udow643WwX1655qSW0gJAM8n1QjLdvbgn91jwxp4TVIQUPbCxrvtwBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T18:08:01.957449Z","bundle_sha256":"e63b9c3ecddae2ff887ebc83c2c0c71ab4e3b88b3684bea35d8fd8d2485993e5"}}