{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1996:OZEORVWYNZXZUJGARHPXBN72GI","short_pith_number":"pith:OZEORVWY","canonical_record":{"source":{"id":"hep-ph/9612448","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1996-12-23T10:44:43Z","cross_cats_sorted":[],"title_canon_sha256":"f7d8820d47ccb1bd8123360dcfa2fea0f44251e253d65b3da9afec0bb312a868","abstract_canon_sha256":"95d48bc5e54bb2c7d3a9eeac7ca51b8b528116db2643fc48276e4e1834522ad5"},"schema_version":"1.0"},"canonical_sha256":"7648e8d6d86e6f9a24c089df70b7fa322c9a218d4b3ddbd94a3115388885d73f","source":{"kind":"arxiv","id":"hep-ph/9612448","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9612448","created_at":"2026-05-18T01:06:09Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9612448v1","created_at":"2026-05-18T01:06:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9612448","created_at":"2026-05-18T01:06:09Z"},{"alias_kind":"pith_short_12","alias_value":"OZEORVWYNZXZ","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"OZEORVWYNZXZUJGA","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"OZEORVWY","created_at":"2026-05-18T12:25:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1996:OZEORVWYNZXZUJGARHPXBN72GI","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9612448","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1996-12-23T10:44:43Z","cross_cats_sorted":[],"title_canon_sha256":"f7d8820d47ccb1bd8123360dcfa2fea0f44251e253d65b3da9afec0bb312a868","abstract_canon_sha256":"95d48bc5e54bb2c7d3a9eeac7ca51b8b528116db2643fc48276e4e1834522ad5"},"schema_version":"1.0"},"canonical_sha256":"7648e8d6d86e6f9a24c089df70b7fa322c9a218d4b3ddbd94a3115388885d73f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:09.706225Z","signature_b64":"JgW1Sbv3iet7SozSySKDsuY/pdgmH66LzYkX+OkYCaBQzqzrY+8rfKF9fj9qFuTSJ4gO6VEVHV/S7a2CxpZGAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7648e8d6d86e6f9a24c089df70b7fa322c9a218d4b3ddbd94a3115388885d73f","last_reissued_at":"2026-05-18T01:06:09.705547Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:09.705547Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9612448","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":"2026-05-18T01:06:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AiLuTrG4v4L7KrF5x9pLPKcI5aEZ96X3+zKX+g97AKOTvcSkLvY2RR4e3xLcUZ3DkCYXTntSE5lQ3FR/JkxSBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T17:03:08.411516Z"},"content_sha256":"e762198803fa3406ad88bf15c1fab759de3a8dcf55130f1410d0b9121eac7b42","schema_version":"1.0","event_id":"sha256:e762198803fa3406ad88bf15c1fab759de3a8dcf55130f1410d0b9121eac7b42"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1996:OZEORVWYNZXZUJGARHPXBN72GI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermal Dileptons as a Possible Source of the Soft Dilepton Enhancement Measured in A-A Collisions at SPS Energies","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"K. Redlich, M. Dirks, R. Baier","submitted_at":"1996-12-23T10:44:43Z","abstract_excerpt":"The production of soft dileptons in a thermal mesonic medium is discussed in the context of recent CERN experimental data reported by the CERES Collaboration. We do not intend to give a general and critical review, but instead concentrate mainly on our approach, however, incorporating many of the recent attempts in the literature. We calculate the contributions to the dilepton yield arising from pion annihilation and $\\pi -\\rho$ scattering. It is shown that thermal dileptons from $\\pi -\\rho$ scattering give a significant contribution to the low-mass yield, however, it can only partly account f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9612448","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":"2026-05-18T01:06:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vw/bizgMJVLUrWuQcO3jcHsrg6+LvbjI13/cPeNw4IL60436rjGDp9NAd/RrHD+cei5IARBl8r67DSk/pIRuAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T17:03:08.412160Z"},"content_sha256":"6fd39066b5b5eaa139db5037bdd6435ebaecc93533e75206a5d43ee6b3e47b50","schema_version":"1.0","event_id":"sha256:6fd39066b5b5eaa139db5037bdd6435ebaecc93533e75206a5d43ee6b3e47b50"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OZEORVWYNZXZUJGARHPXBN72GI/bundle.json","state_url":"https://pith.science/pith/OZEORVWYNZXZUJGARHPXBN72GI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OZEORVWYNZXZUJGARHPXBN72GI/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":"2026-06-07T17:03:08Z","links":{"resolver":"https://pith.science/pith/OZEORVWYNZXZUJGARHPXBN72GI","bundle":"https://pith.science/pith/OZEORVWYNZXZUJGARHPXBN72GI/bundle.json","state":"https://pith.science/pith/OZEORVWYNZXZUJGARHPXBN72GI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OZEORVWYNZXZUJGARHPXBN72GI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1996:OZEORVWYNZXZUJGARHPXBN72GI","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":"95d48bc5e54bb2c7d3a9eeac7ca51b8b528116db2643fc48276e4e1834522ad5","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1996-12-23T10:44:43Z","title_canon_sha256":"f7d8820d47ccb1bd8123360dcfa2fea0f44251e253d65b3da9afec0bb312a868"},"schema_version":"1.0","source":{"id":"hep-ph/9612448","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9612448","created_at":"2026-05-18T01:06:09Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9612448v1","created_at":"2026-05-18T01:06:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9612448","created_at":"2026-05-18T01:06:09Z"},{"alias_kind":"pith_short_12","alias_value":"OZEORVWYNZXZ","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"OZEORVWYNZXZUJGA","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"OZEORVWY","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:6fd39066b5b5eaa139db5037bdd6435ebaecc93533e75206a5d43ee6b3e47b50","target":"graph","created_at":"2026-05-18T01:06:09Z","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":"The production of soft dileptons in a thermal mesonic medium is discussed in the context of recent CERN experimental data reported by the CERES Collaboration. We do not intend to give a general and critical review, but instead concentrate mainly on our approach, however, incorporating many of the recent attempts in the literature. We calculate the contributions to the dilepton yield arising from pion annihilation and $\\pi -\\rho$ scattering. It is shown that thermal dileptons from $\\pi -\\rho$ scattering give a significant contribution to the low-mass yield, however, it can only partly account f","authors_text":"K. Redlich, M. Dirks, R. Baier","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1996-12-23T10:44:43Z","title":"Thermal Dileptons as a Possible Source of the Soft Dilepton Enhancement Measured in A-A Collisions at SPS Energies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9612448","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:e762198803fa3406ad88bf15c1fab759de3a8dcf55130f1410d0b9121eac7b42","target":"record","created_at":"2026-05-18T01:06:09Z","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":"95d48bc5e54bb2c7d3a9eeac7ca51b8b528116db2643fc48276e4e1834522ad5","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1996-12-23T10:44:43Z","title_canon_sha256":"f7d8820d47ccb1bd8123360dcfa2fea0f44251e253d65b3da9afec0bb312a868"},"schema_version":"1.0","source":{"id":"hep-ph/9612448","kind":"arxiv","version":1}},"canonical_sha256":"7648e8d6d86e6f9a24c089df70b7fa322c9a218d4b3ddbd94a3115388885d73f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7648e8d6d86e6f9a24c089df70b7fa322c9a218d4b3ddbd94a3115388885d73f","first_computed_at":"2026-05-18T01:06:09.705547Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:09.705547Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JgW1Sbv3iet7SozSySKDsuY/pdgmH66LzYkX+OkYCaBQzqzrY+8rfKF9fj9qFuTSJ4gO6VEVHV/S7a2CxpZGAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:09.706225Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9612448","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e762198803fa3406ad88bf15c1fab759de3a8dcf55130f1410d0b9121eac7b42","sha256:6fd39066b5b5eaa139db5037bdd6435ebaecc93533e75206a5d43ee6b3e47b50"],"state_sha256":"138ba365238eddb519987d9666e267e56160e446b797f94f8396b25bb8b94a62"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wK5kLh0XM1fAZNIgPC0hCQAROZEH6sQMXEJtc75XRTql/l6vJzuroPbFY7oo49p2XJ86a41MNMZFR5HQo3dHCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T17:03:08.415917Z","bundle_sha256":"6574c8a9221befd0d73238b342b6f18dfd6acb3c64725b5f12007f4737605489"}}