{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:72L3HIRU4RVFCW3TMOZTQDX6SU","short_pith_number":"pith:72L3HIRU","canonical_record":{"source":{"id":"2109.05374","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2021-09-11T21:19:23Z","cross_cats_sorted":[],"title_canon_sha256":"107dc12d5cf24d02b00ea27b07d765ba665561659895d5e5111a5f5336f0f1f8","abstract_canon_sha256":"8dab64da517baf08fa42cd1f02c6ca9cfd825f3a7b8ad21e7af6927afa88ced7"},"schema_version":"1.0"},"canonical_sha256":"fe97b3a234e46a515b7363b3380efe9506f78169aef4ec6f76ac41239bcfb375","source":{"kind":"arxiv","id":"2109.05374","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.05374","created_at":"2026-07-05T04:23:05Z"},{"alias_kind":"arxiv_version","alias_value":"2109.05374v2","created_at":"2026-07-05T04:23:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.05374","created_at":"2026-07-05T04:23:05Z"},{"alias_kind":"pith_short_12","alias_value":"72L3HIRU4RVF","created_at":"2026-07-05T04:23:05Z"},{"alias_kind":"pith_short_16","alias_value":"72L3HIRU4RVFCW3T","created_at":"2026-07-05T04:23:05Z"},{"alias_kind":"pith_short_8","alias_value":"72L3HIRU","created_at":"2026-07-05T04:23:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:72L3HIRU4RVFCW3TMOZTQDX6SU","target":"record","payload":{"canonical_record":{"source":{"id":"2109.05374","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2021-09-11T21:19:23Z","cross_cats_sorted":[],"title_canon_sha256":"107dc12d5cf24d02b00ea27b07d765ba665561659895d5e5111a5f5336f0f1f8","abstract_canon_sha256":"8dab64da517baf08fa42cd1f02c6ca9cfd825f3a7b8ad21e7af6927afa88ced7"},"schema_version":"1.0"},"canonical_sha256":"fe97b3a234e46a515b7363b3380efe9506f78169aef4ec6f76ac41239bcfb375","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:23:05.118707Z","signature_b64":"j0Is3D2obk654tPqOKNUtxviu2aeM0xPV2J787Sj1PoiCIVjOVFdxhVnrz0bgk4jyWi47LvTNB3TGz/LRJYpDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe97b3a234e46a515b7363b3380efe9506f78169aef4ec6f76ac41239bcfb375","last_reissued_at":"2026-07-05T04:23:05.118320Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:23:05.118320Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.05374","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":"2026-07-05T04:23:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zSLIAYVqISLRiomIlEeBNgLWROjXEOhv9MB/PlLWLQP0JCRTRSJVjV5nkqH0HSPb6lLSgKT7BQFLfET6C8MiDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T18:16:00.158261Z"},"content_sha256":"3f80442ff8149b00f2a9c3da7b4653c9cf7080416e1cc4efab2d8fc0932b48e0","schema_version":"1.0","event_id":"sha256:3f80442ff8149b00f2a9c3da7b4653c9cf7080416e1cc4efab2d8fc0932b48e0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:72L3HIRU4RVFCW3TMOZTQDX6SU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comparison of different relativistic models applied to dense nuclear matter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"G. Chanfray, H. Hansen, J. Margueron, R. Somasundaram","submitted_at":"2021-09-11T21:19:23Z","abstract_excerpt":"We explore three different classes of relativistic approaches applied to the description of dense nuclear matter: a Walecka-type relativistic mean field model (RMF), an extension including an effective chiral potential (RMF-C) and a further extension with a chiral potential and confinement effects (RMF-CC). The parameters of the latter are controlled by fundamental properties such as the chiral potential, Lattice-QCD predictions, the quark sub-structure, as well as empirical properties at nuclear matter saturation. While these models are calibrated to the same properties at saturation density,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.05374","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2109.05374/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T04:23:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6x6AsbLCHvlHbwp74n3mqx0Fqly78kq50OQTSy88+RdlrxswZb25V/9p99RYcd8xBSzC7CQjrEDxcWtry0SqBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T18:16:00.158754Z"},"content_sha256":"6f660f861ef13d676c3fa3b395ef3dc78d3346e74b0762da4a0b3024eba190ca","schema_version":"1.0","event_id":"sha256:6f660f861ef13d676c3fa3b395ef3dc78d3346e74b0762da4a0b3024eba190ca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/72L3HIRU4RVFCW3TMOZTQDX6SU/bundle.json","state_url":"https://pith.science/pith/72L3HIRU4RVFCW3TMOZTQDX6SU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/72L3HIRU4RVFCW3TMOZTQDX6SU/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":"2026-08-16T18:16:00Z","links":{"resolver":"https://pith.science/pith/72L3HIRU4RVFCW3TMOZTQDX6SU","bundle":"https://pith.science/pith/72L3HIRU4RVFCW3TMOZTQDX6SU/bundle.json","state":"https://pith.science/pith/72L3HIRU4RVFCW3TMOZTQDX6SU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/72L3HIRU4RVFCW3TMOZTQDX6SU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:72L3HIRU4RVFCW3TMOZTQDX6SU","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":"8dab64da517baf08fa42cd1f02c6ca9cfd825f3a7b8ad21e7af6927afa88ced7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2021-09-11T21:19:23Z","title_canon_sha256":"107dc12d5cf24d02b00ea27b07d765ba665561659895d5e5111a5f5336f0f1f8"},"schema_version":"1.0","source":{"id":"2109.05374","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.05374","created_at":"2026-07-05T04:23:05Z"},{"alias_kind":"arxiv_version","alias_value":"2109.05374v2","created_at":"2026-07-05T04:23:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.05374","created_at":"2026-07-05T04:23:05Z"},{"alias_kind":"pith_short_12","alias_value":"72L3HIRU4RVF","created_at":"2026-07-05T04:23:05Z"},{"alias_kind":"pith_short_16","alias_value":"72L3HIRU4RVFCW3T","created_at":"2026-07-05T04:23:05Z"},{"alias_kind":"pith_short_8","alias_value":"72L3HIRU","created_at":"2026-07-05T04:23:05Z"}],"graph_snapshots":[{"event_id":"sha256:6f660f861ef13d676c3fa3b395ef3dc78d3346e74b0762da4a0b3024eba190ca","target":"graph","created_at":"2026-07-05T04:23:05Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2109.05374/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We explore three different classes of relativistic approaches applied to the description of dense nuclear matter: a Walecka-type relativistic mean field model (RMF), an extension including an effective chiral potential (RMF-C) and a further extension with a chiral potential and confinement effects (RMF-CC). The parameters of the latter are controlled by fundamental properties such as the chiral potential, Lattice-QCD predictions, the quark sub-structure, as well as empirical properties at nuclear matter saturation. While these models are calibrated to the same properties at saturation density,","authors_text":"G. Chanfray, H. Hansen, J. Margueron, R. Somasundaram","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2021-09-11T21:19:23Z","title":"Comparison of different relativistic models applied to dense nuclear matter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.05374","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":"sha256:3f80442ff8149b00f2a9c3da7b4653c9cf7080416e1cc4efab2d8fc0932b48e0","target":"record","created_at":"2026-07-05T04:23:05Z","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":"8dab64da517baf08fa42cd1f02c6ca9cfd825f3a7b8ad21e7af6927afa88ced7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2021-09-11T21:19:23Z","title_canon_sha256":"107dc12d5cf24d02b00ea27b07d765ba665561659895d5e5111a5f5336f0f1f8"},"schema_version":"1.0","source":{"id":"2109.05374","kind":"arxiv","version":2}},"canonical_sha256":"fe97b3a234e46a515b7363b3380efe9506f78169aef4ec6f76ac41239bcfb375","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe97b3a234e46a515b7363b3380efe9506f78169aef4ec6f76ac41239bcfb375","first_computed_at":"2026-07-05T04:23:05.118320Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:23:05.118320Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j0Is3D2obk654tPqOKNUtxviu2aeM0xPV2J787Sj1PoiCIVjOVFdxhVnrz0bgk4jyWi47LvTNB3TGz/LRJYpDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:23:05.118707Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.05374","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3f80442ff8149b00f2a9c3da7b4653c9cf7080416e1cc4efab2d8fc0932b48e0","sha256:6f660f861ef13d676c3fa3b395ef3dc78d3346e74b0762da4a0b3024eba190ca"],"state_sha256":"a11d4f98b9928271ca2b40ebb1b2e4ded4322b5e8669f109caf0bcc388f35e74"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PQEBBpvKefQkGI8tlmqpfV0l+SZ+zsfGfxw7didGr0tEOl4hXY6a7dkyw/nUnmQ3tyaiEl3y7OSAfl0pwxGQDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T18:16:00.163942Z","bundle_sha256":"7fdcd150a23cbed51e4b9ba21ed56077c49caf7a31627e5f0a69331cb8e57fba"}}