{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:GDQMJUBVZQ25QVIGO35JGVF3B4","short_pith_number":"pith:GDQMJUBV","canonical_record":{"source":{"id":"1305.1140","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-05-06T10:29:43Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"bba81a28d605f6a889e9c985f5784856c3e193939d53e7e7594a1be3ebb9276c","abstract_canon_sha256":"54e1da0c949acc76b6b42f942df7c2d95fc99452d6de3ba7a4874dfcbcb77d66"},"schema_version":"1.0"},"canonical_sha256":"30e0c4d035cc35d8550676fa9354bb0f2102add71cd7ec3e20e12617ed2f467c","source":{"kind":"arxiv","id":"1305.1140","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.1140","created_at":"2026-05-18T01:50:11Z"},{"alias_kind":"arxiv_version","alias_value":"1305.1140v2","created_at":"2026-05-18T01:50:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.1140","created_at":"2026-05-18T01:50:11Z"},{"alias_kind":"pith_short_12","alias_value":"GDQMJUBVZQ25","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GDQMJUBVZQ25QVIG","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GDQMJUBV","created_at":"2026-05-18T12:27:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:GDQMJUBVZQ25QVIGO35JGVF3B4","target":"record","payload":{"canonical_record":{"source":{"id":"1305.1140","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-05-06T10:29:43Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"bba81a28d605f6a889e9c985f5784856c3e193939d53e7e7594a1be3ebb9276c","abstract_canon_sha256":"54e1da0c949acc76b6b42f942df7c2d95fc99452d6de3ba7a4874dfcbcb77d66"},"schema_version":"1.0"},"canonical_sha256":"30e0c4d035cc35d8550676fa9354bb0f2102add71cd7ec3e20e12617ed2f467c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:11.894200Z","signature_b64":"Yt1BtgtFFZbYSNJJs7ROM1Y+G7pgEpj7kWtkq8al7KL3CrVl12eZ9SRSIEZhmhPXAq9n9DWkdZPNQdi6IABeCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"30e0c4d035cc35d8550676fa9354bb0f2102add71cd7ec3e20e12617ed2f467c","last_reissued_at":"2026-05-18T01:50:11.893547Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:11.893547Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.1140","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":"2026-05-18T01:50:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ONl9K+3+7fnVNaha2xik+sYxiMB9o2RaGTw9CYmA5mpGQvWdfvOD4jPdVwjuMF7I0VbRabD0PmHAZysgkszQDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T17:32:09.485793Z"},"content_sha256":"1527564c6bbe4beceb37f9b9c3497174ff1aada8f61bd01737148fc053162135","schema_version":"1.0","event_id":"sha256:1527564c6bbe4beceb37f9b9c3497174ff1aada8f61bd01737148fc053162135"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:GDQMJUBVZQ25QVIGO35JGVF3B4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Temperature of projectile like fragments in heavy ion collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"G. Chaudhuri, S. Das Gupta, S. Mallik","submitted_at":"2013-05-06T10:29:43Z","abstract_excerpt":"A model in which a projectile like fragment can be simply regarded as a remnant after removal of some part of the projectile leads to an excited fragment. This excitation energy can be calculated with a Hamiltonian that gives correct nuclear matter binding, compressibility and density distribution in finite nuclei. In heavy ion collisions the model produces a dependence of excitation energy on impact parameter which appears to be correct but the magnitude of the excitation energy falls short. It is argued that dynamic effects left out in the model will increase this magnitude. The model can be"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.1140","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":"2026-05-18T01:50:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MxWhhfd33uSbQDOUfYjEw9Ik1YX3Y5wsws2Xx3S/vohiJv9Db6LFIf7dlSWyPjoAgay40IqDOy74eH+AEa2TDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T17:32:09.486499Z"},"content_sha256":"f346a42925c89af34e87f3fdba0a4d4206c2edd7612801a3dc15f4758b3d2672","schema_version":"1.0","event_id":"sha256:f346a42925c89af34e87f3fdba0a4d4206c2edd7612801a3dc15f4758b3d2672"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GDQMJUBVZQ25QVIGO35JGVF3B4/bundle.json","state_url":"https://pith.science/pith/GDQMJUBVZQ25QVIGO35JGVF3B4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GDQMJUBVZQ25QVIGO35JGVF3B4/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":"2026-06-07T17:32:09Z","links":{"resolver":"https://pith.science/pith/GDQMJUBVZQ25QVIGO35JGVF3B4","bundle":"https://pith.science/pith/GDQMJUBVZQ25QVIGO35JGVF3B4/bundle.json","state":"https://pith.science/pith/GDQMJUBVZQ25QVIGO35JGVF3B4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GDQMJUBVZQ25QVIGO35JGVF3B4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:GDQMJUBVZQ25QVIGO35JGVF3B4","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":"54e1da0c949acc76b6b42f942df7c2d95fc99452d6de3ba7a4874dfcbcb77d66","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-05-06T10:29:43Z","title_canon_sha256":"bba81a28d605f6a889e9c985f5784856c3e193939d53e7e7594a1be3ebb9276c"},"schema_version":"1.0","source":{"id":"1305.1140","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.1140","created_at":"2026-05-18T01:50:11Z"},{"alias_kind":"arxiv_version","alias_value":"1305.1140v2","created_at":"2026-05-18T01:50:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.1140","created_at":"2026-05-18T01:50:11Z"},{"alias_kind":"pith_short_12","alias_value":"GDQMJUBVZQ25","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GDQMJUBVZQ25QVIG","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GDQMJUBV","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:f346a42925c89af34e87f3fdba0a4d4206c2edd7612801a3dc15f4758b3d2672","target":"graph","created_at":"2026-05-18T01:50:11Z","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":"A model in which a projectile like fragment can be simply regarded as a remnant after removal of some part of the projectile leads to an excited fragment. This excitation energy can be calculated with a Hamiltonian that gives correct nuclear matter binding, compressibility and density distribution in finite nuclei. In heavy ion collisions the model produces a dependence of excitation energy on impact parameter which appears to be correct but the magnitude of the excitation energy falls short. It is argued that dynamic effects left out in the model will increase this magnitude. The model can be","authors_text":"G. Chaudhuri, S. Das Gupta, S. Mallik","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-05-06T10:29:43Z","title":"Temperature of projectile like fragments in heavy ion collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.1140","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":"sha256:1527564c6bbe4beceb37f9b9c3497174ff1aada8f61bd01737148fc053162135","target":"record","created_at":"2026-05-18T01:50:11Z","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":"54e1da0c949acc76b6b42f942df7c2d95fc99452d6de3ba7a4874dfcbcb77d66","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-05-06T10:29:43Z","title_canon_sha256":"bba81a28d605f6a889e9c985f5784856c3e193939d53e7e7594a1be3ebb9276c"},"schema_version":"1.0","source":{"id":"1305.1140","kind":"arxiv","version":2}},"canonical_sha256":"30e0c4d035cc35d8550676fa9354bb0f2102add71cd7ec3e20e12617ed2f467c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"30e0c4d035cc35d8550676fa9354bb0f2102add71cd7ec3e20e12617ed2f467c","first_computed_at":"2026-05-18T01:50:11.893547Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:11.893547Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Yt1BtgtFFZbYSNJJs7ROM1Y+G7pgEpj7kWtkq8al7KL3CrVl12eZ9SRSIEZhmhPXAq9n9DWkdZPNQdi6IABeCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:11.894200Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.1140","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1527564c6bbe4beceb37f9b9c3497174ff1aada8f61bd01737148fc053162135","sha256:f346a42925c89af34e87f3fdba0a4d4206c2edd7612801a3dc15f4758b3d2672"],"state_sha256":"82e70bf894b481fb5caeb5b2c58e14b586681c0823b9d55a7fe5b5a15c0d1129"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qd4ybCDAzacblEHPwN+Ae67jAonnE1DznEXGV9nXIrdsCzW203ogDM4VtdKkrKWMUuqOXmlQwBomudat8BlyCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T17:32:09.490252Z","bundle_sha256":"b505e33ddfffc7a21ab82bafc8dcf8c15d2dbaf3664be23cce46b35c10c01a85"}}