{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:K6VXYA2WXUG4VT4KSGWRU5TPRJ","short_pith_number":"pith:K6VXYA2W","canonical_record":{"source":{"id":"1908.04426","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-08-12T22:28:18Z","cross_cats_sorted":["astro-ph.HE","astro-ph.SR"],"title_canon_sha256":"332f845cb303750260a9e6525fde2aa3ec9d8dce3266aaf5b40274942cec158e","abstract_canon_sha256":"01d477fbb55e6dc670e925e7d8d2c0512820e789e5b61ce390125f64812d5110"},"schema_version":"1.0"},"canonical_sha256":"57ab7c0356bd0dcacf8a91ad1a766f8a70182b18054243cadb693629c88914ff","source":{"kind":"arxiv","id":"1908.04426","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.04426","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"arxiv_version","alias_value":"1908.04426v1","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.04426","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"pith_short_12","alias_value":"K6VXYA2WXUG4","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"pith_short_16","alias_value":"K6VXYA2WXUG4VT4K","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"pith_short_8","alias_value":"K6VXYA2W","created_at":"2026-07-05T00:55:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:K6VXYA2WXUG4VT4KSGWRU5TPRJ","target":"record","payload":{"canonical_record":{"source":{"id":"1908.04426","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-08-12T22:28:18Z","cross_cats_sorted":["astro-ph.HE","astro-ph.SR"],"title_canon_sha256":"332f845cb303750260a9e6525fde2aa3ec9d8dce3266aaf5b40274942cec158e","abstract_canon_sha256":"01d477fbb55e6dc670e925e7d8d2c0512820e789e5b61ce390125f64812d5110"},"schema_version":"1.0"},"canonical_sha256":"57ab7c0356bd0dcacf8a91ad1a766f8a70182b18054243cadb693629c88914ff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:55:03.240989Z","signature_b64":"dv6czkl69C4WFxiafGWSIo3EO2Ko7yo2Sddk2KLzWgjymZ+OK+1lV15GQ+R2rA2YwWeTG9YbQvJ/lR379+pvCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57ab7c0356bd0dcacf8a91ad1a766f8a70182b18054243cadb693629c88914ff","last_reissued_at":"2026-07-05T00:55:03.240637Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:55:03.240637Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.04426","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":"2026-07-05T00:55:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sgBquSx2kd8cRSJ4UOTBu+QLT1oPUnph3BaEaXIML8GWslDMj4rKP4J6BkDTgPvY5erzTLrrjS/qrJ/sKG/JBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T05:04:22.689035Z"},"content_sha256":"91df3f8fa3ec6af36c884a40af5a1ac19972fa81bfc91d5ad94826c739052454","schema_version":"1.0","event_id":"sha256:91df3f8fa3ec6af36c884a40af5a1ac19972fa81bfc91d5ad94826c739052454"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:K6VXYA2WXUG4VT4KSGWRU5TPRJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Benchmark calculations of pure neutron matter with realistic nucleon-nucleon interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","astro-ph.SR"],"primary_cat":"nucl-th","authors_text":"A. Lovato, D. Logoteta, I. Bombaci, M. Piarulli, R. B. Wiringa","submitted_at":"2019-08-12T22:28:18Z","abstract_excerpt":"We report benchmark calculations of the energy per particle of pure neutron matter as a function of the baryon density using three independent many-body methods: Brueckner-Bethe-Goldstone, Fermi hypernetted chain/single-operator chain, and auxiliary-field diffusion Monte Carlo. Significant technical improvements are implemented in the latter two methods. The calculations are made for two distinct families of realistic coordinate-space nucleon-nucleon potentials fit to scattering data, including the standard Argonne $v_{18}$ interaction and two of its simplified versions, and four of the new No"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.04426","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.04426/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":"2026-07-05T00:55:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1tsLWmxeBsnydY/tXao/9YLBP3xhPz+4x2dLRILQ4HUXnYjpUPM5kxzFmBEweVZlAeHqkOh4xBfs0J7njxWzBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T05:04:22.689616Z"},"content_sha256":"5bd2e1d365a4149e85fdd91518455e0b1b4dcb45c8bf81d2e119b68077f62cf0","schema_version":"1.0","event_id":"sha256:5bd2e1d365a4149e85fdd91518455e0b1b4dcb45c8bf81d2e119b68077f62cf0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K6VXYA2WXUG4VT4KSGWRU5TPRJ/bundle.json","state_url":"https://pith.science/pith/K6VXYA2WXUG4VT4KSGWRU5TPRJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K6VXYA2WXUG4VT4KSGWRU5TPRJ/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":"2026-08-15T05:04:22Z","links":{"resolver":"https://pith.science/pith/K6VXYA2WXUG4VT4KSGWRU5TPRJ","bundle":"https://pith.science/pith/K6VXYA2WXUG4VT4KSGWRU5TPRJ/bundle.json","state":"https://pith.science/pith/K6VXYA2WXUG4VT4KSGWRU5TPRJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K6VXYA2WXUG4VT4KSGWRU5TPRJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:K6VXYA2WXUG4VT4KSGWRU5TPRJ","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":"01d477fbb55e6dc670e925e7d8d2c0512820e789e5b61ce390125f64812d5110","cross_cats_sorted":["astro-ph.HE","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-08-12T22:28:18Z","title_canon_sha256":"332f845cb303750260a9e6525fde2aa3ec9d8dce3266aaf5b40274942cec158e"},"schema_version":"1.0","source":{"id":"1908.04426","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.04426","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"arxiv_version","alias_value":"1908.04426v1","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.04426","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"pith_short_12","alias_value":"K6VXYA2WXUG4","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"pith_short_16","alias_value":"K6VXYA2WXUG4VT4K","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"pith_short_8","alias_value":"K6VXYA2W","created_at":"2026-07-05T00:55:03Z"}],"graph_snapshots":[{"event_id":"sha256:5bd2e1d365a4149e85fdd91518455e0b1b4dcb45c8bf81d2e119b68077f62cf0","target":"graph","created_at":"2026-07-05T00:55:03Z","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/1908.04426/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report benchmark calculations of the energy per particle of pure neutron matter as a function of the baryon density using three independent many-body methods: Brueckner-Bethe-Goldstone, Fermi hypernetted chain/single-operator chain, and auxiliary-field diffusion Monte Carlo. Significant technical improvements are implemented in the latter two methods. The calculations are made for two distinct families of realistic coordinate-space nucleon-nucleon potentials fit to scattering data, including the standard Argonne $v_{18}$ interaction and two of its simplified versions, and four of the new No","authors_text":"A. Lovato, D. Logoteta, I. Bombaci, M. Piarulli, R. B. Wiringa","cross_cats":["astro-ph.HE","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-08-12T22:28:18Z","title":"Benchmark calculations of pure neutron matter with realistic nucleon-nucleon interactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.04426","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":"sha256:91df3f8fa3ec6af36c884a40af5a1ac19972fa81bfc91d5ad94826c739052454","target":"record","created_at":"2026-07-05T00:55:03Z","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":"01d477fbb55e6dc670e925e7d8d2c0512820e789e5b61ce390125f64812d5110","cross_cats_sorted":["astro-ph.HE","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-08-12T22:28:18Z","title_canon_sha256":"332f845cb303750260a9e6525fde2aa3ec9d8dce3266aaf5b40274942cec158e"},"schema_version":"1.0","source":{"id":"1908.04426","kind":"arxiv","version":1}},"canonical_sha256":"57ab7c0356bd0dcacf8a91ad1a766f8a70182b18054243cadb693629c88914ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57ab7c0356bd0dcacf8a91ad1a766f8a70182b18054243cadb693629c88914ff","first_computed_at":"2026-07-05T00:55:03.240637Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:55:03.240637Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dv6czkl69C4WFxiafGWSIo3EO2Ko7yo2Sddk2KLzWgjymZ+OK+1lV15GQ+R2rA2YwWeTG9YbQvJ/lR379+pvCg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:55:03.240989Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.04426","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91df3f8fa3ec6af36c884a40af5a1ac19972fa81bfc91d5ad94826c739052454","sha256:5bd2e1d365a4149e85fdd91518455e0b1b4dcb45c8bf81d2e119b68077f62cf0"],"state_sha256":"3a49948a83b8bcb2c5a34e1d620c4aea5e4e2647cb922723f733dfb9b742e87e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/ZxXofd/Fa8jdx3T0WNeltBnGQ8gFOAEQ5SPvBWQKLapNW73adWpiAFuK3a0Uep6BPNVAkeAK1aajTMxo7ezCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T05:04:22.698770Z","bundle_sha256":"664a0dde5d4aa4000e5892eccbca59c63a8caeb7805724f305205a17714b1e64"}}