{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:YSZICR3TWTEZJCA6TTMZ62PUTM","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":"2e527ba53892dcc583bb1d5bee86c93409947dfdc3bfd17590c61734f5bda42c","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-03-31T19:45:39Z","title_canon_sha256":"138ac7c176b0abf2121e156a6647c9ad947394364a2cf3d8a2c6e2cf0e68866d"},"schema_version":"1.0","source":{"id":"1103.6279","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.6279","created_at":"2026-05-18T02:02:41Z"},{"alias_kind":"arxiv_version","alias_value":"1103.6279v2","created_at":"2026-05-18T02:02:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.6279","created_at":"2026-05-18T02:02:41Z"},{"alias_kind":"pith_short_12","alias_value":"YSZICR3TWTEZ","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"YSZICR3TWTEZJCA6","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"YSZICR3T","created_at":"2026-05-18T12:26:47Z"}],"graph_snapshots":[{"event_id":"sha256:ca7f906b9bb75de0b7b28ca1dbdf30a8f19fe341921e7c04a9118d2d7212ce6b","target":"graph","created_at":"2026-05-18T02:02:41Z","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 thermal relaxation rate of open-charm ($D$) mesons in hot and dense hadronic matter is calculated using empirical elastic scattering amplitudes. $D$-meson interactions with thermal pions are approximated by $D^*$ resonances, while scattering off other hadrons ($K$, $\\eta$, $\\rho$, $\\omega$, $K^*$, $N$, $\\Delta$) is evaluated using vacuum scattering amplitudes as available in the literature based on effective Lagrangians and constrained by realistic spectroscopy. The thermal relaxation time of $D$-mesons in a hot $\\pi$ gas is found to be around 25-50\\,fm/$c$ for temperatures $T$=150-180\\,Me","authors_text":"Min He, Rainer J. Fries, Ralf Rapp","cross_cats":["hep-ph","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-03-31T19:45:39Z","title":"Thermal Relaxation of Charm in Hadronic Matter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.6279","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:d5680e7e5cdaecf6cc40584631a3c837a13fc0a1e516f0289b068edaa393e5bc","target":"record","created_at":"2026-05-18T02:02:41Z","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":"2e527ba53892dcc583bb1d5bee86c93409947dfdc3bfd17590c61734f5bda42c","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2011-03-31T19:45:39Z","title_canon_sha256":"138ac7c176b0abf2121e156a6647c9ad947394364a2cf3d8a2c6e2cf0e68866d"},"schema_version":"1.0","source":{"id":"1103.6279","kind":"arxiv","version":2}},"canonical_sha256":"c4b2814773b4c994881e9cd99f69f49b332c8befe2ad5958be1a59c2b4fbb0ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c4b2814773b4c994881e9cd99f69f49b332c8befe2ad5958be1a59c2b4fbb0ee","first_computed_at":"2026-05-18T02:02:41.980279Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:41.980279Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oTmZ+0wsQYcS7fPklXQhey0ifl2th3BGhT/zjDwqcMr/uC42cFcem2Ezol1JgVaXHRpTrH6sla/mSinCjD+WDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:41.981102Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.6279","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d5680e7e5cdaecf6cc40584631a3c837a13fc0a1e516f0289b068edaa393e5bc","sha256:ca7f906b9bb75de0b7b28ca1dbdf30a8f19fe341921e7c04a9118d2d7212ce6b"],"state_sha256":"98e746afa72edd2e4cdd520ed2e8295933e5a7055100d36845d776da18650936"}