{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:2IZQRYFAWKTZRKMOA33M72ADGP","short_pith_number":"pith:2IZQRYFA","canonical_record":{"source":{"id":"1403.3753","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-03-15T04:31:37Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"a0a0b3b304083ef7fce743ef4097e4b015ac954b89d05d45abd5d9666f44a18a","abstract_canon_sha256":"216e8daccb7789db61fa752986bdd3fe6b3201b5b4bafe32530fb4ace4b581c7"},"schema_version":"1.0"},"canonical_sha256":"d23308e0a0b2a798a98e06f6cfe80333e5083819775a0f83b88ed48ac4240c1f","source":{"kind":"arxiv","id":"1403.3753","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.3753","created_at":"2026-05-18T02:38:37Z"},{"alias_kind":"arxiv_version","alias_value":"1403.3753v2","created_at":"2026-05-18T02:38:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.3753","created_at":"2026-05-18T02:38:37Z"},{"alias_kind":"pith_short_12","alias_value":"2IZQRYFAWKTZ","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"2IZQRYFAWKTZRKMO","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"2IZQRYFA","created_at":"2026-05-18T12:28:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:2IZQRYFAWKTZRKMOA33M72ADGP","target":"record","payload":{"canonical_record":{"source":{"id":"1403.3753","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-03-15T04:31:37Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"a0a0b3b304083ef7fce743ef4097e4b015ac954b89d05d45abd5d9666f44a18a","abstract_canon_sha256":"216e8daccb7789db61fa752986bdd3fe6b3201b5b4bafe32530fb4ace4b581c7"},"schema_version":"1.0"},"canonical_sha256":"d23308e0a0b2a798a98e06f6cfe80333e5083819775a0f83b88ed48ac4240c1f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:38:37.146164Z","signature_b64":"Q9VxDRsJv3uktXNApGqzKcTlJo8RTGRfCBVqOaSPMR1NjZ2VOhbmcIZ/isjp3AZOqNxoVdkzNYw+a7aPYdVxBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d23308e0a0b2a798a98e06f6cfe80333e5083819775a0f83b88ed48ac4240c1f","last_reissued_at":"2026-05-18T02:38:37.145526Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:38:37.145526Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1403.3753","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":"2026-05-18T02:38:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KOJTXo6DYkgsq08bcOAiZqHLslQaECGPrmlAViSziAvMx+pLFEVwYew+F7563AnQOWljO7AqlU5tUZfPV8EdBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T21:36:46.225908Z"},"content_sha256":"6e37af451dafea454ce3a052b427120736ec3c97afc8b2f387e2b337c6a00bbb","schema_version":"1.0","event_id":"sha256:6e37af451dafea454ce3a052b427120736ec3c97afc8b2f387e2b337c6a00bbb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:2IZQRYFAWKTZRKMOA33M72ADGP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Auxiliary-Field Quantum Monte Carlo Simulations of Neutron Matter in Chiral Effective Field Theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"nucl-th","authors_text":"A. Bulgac, G. Wlaz{\\l}owski, J. W. Holt, K. J. Roche, S. Moroz","submitted_at":"2014-03-15T04:31:37Z","abstract_excerpt":"We present variational Monte Carlo calculations of the neutron matter equation of state using chiral nuclear forces. The ground-state wavefunction of neutron matter, containing non-perturbative many-body correlations, is obtained from auxiliary-field quantum Monte Carlo simulations of up to about 340 neutrons interacting on a 10^3 discretized lattice. The evolution Hamiltonian is chosen to be attractive and spin-independent in order to avoid the fermion sign problem and is constructed to best reproduce broad features of the chiral nuclear force. This is facilitated by choosing a lattice spacin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.3753","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":"2026-05-18T02:38:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X6eVDEHU9TXWHYaBUnQRBhbnDVWyBlAEaF+61Gv4l5RLiIUISCinE34p0CpqAF0nCDN6xu8Y1R6hCuXXPXwpAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T21:36:46.226258Z"},"content_sha256":"157b0b620d87599aaa564e9c0c15faf14a64ee56a05aac1bb2e8057ae9c3f263","schema_version":"1.0","event_id":"sha256:157b0b620d87599aaa564e9c0c15faf14a64ee56a05aac1bb2e8057ae9c3f263"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2IZQRYFAWKTZRKMOA33M72ADGP/bundle.json","state_url":"https://pith.science/pith/2IZQRYFAWKTZRKMOA33M72ADGP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2IZQRYFAWKTZRKMOA33M72ADGP/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":"2026-06-02T21:36:46Z","links":{"resolver":"https://pith.science/pith/2IZQRYFAWKTZRKMOA33M72ADGP","bundle":"https://pith.science/pith/2IZQRYFAWKTZRKMOA33M72ADGP/bundle.json","state":"https://pith.science/pith/2IZQRYFAWKTZRKMOA33M72ADGP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2IZQRYFAWKTZRKMOA33M72ADGP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:2IZQRYFAWKTZRKMOA33M72ADGP","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":"216e8daccb7789db61fa752986bdd3fe6b3201b5b4bafe32530fb4ace4b581c7","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-03-15T04:31:37Z","title_canon_sha256":"a0a0b3b304083ef7fce743ef4097e4b015ac954b89d05d45abd5d9666f44a18a"},"schema_version":"1.0","source":{"id":"1403.3753","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.3753","created_at":"2026-05-18T02:38:37Z"},{"alias_kind":"arxiv_version","alias_value":"1403.3753v2","created_at":"2026-05-18T02:38:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.3753","created_at":"2026-05-18T02:38:37Z"},{"alias_kind":"pith_short_12","alias_value":"2IZQRYFAWKTZ","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"2IZQRYFAWKTZRKMO","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"2IZQRYFA","created_at":"2026-05-18T12:28:11Z"}],"graph_snapshots":[{"event_id":"sha256:157b0b620d87599aaa564e9c0c15faf14a64ee56a05aac1bb2e8057ae9c3f263","target":"graph","created_at":"2026-05-18T02:38:37Z","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":"We present variational Monte Carlo calculations of the neutron matter equation of state using chiral nuclear forces. The ground-state wavefunction of neutron matter, containing non-perturbative many-body correlations, is obtained from auxiliary-field quantum Monte Carlo simulations of up to about 340 neutrons interacting on a 10^3 discretized lattice. The evolution Hamiltonian is chosen to be attractive and spin-independent in order to avoid the fermion sign problem and is constructed to best reproduce broad features of the chiral nuclear force. This is facilitated by choosing a lattice spacin","authors_text":"A. Bulgac, G. Wlaz{\\l}owski, J. W. Holt, K. J. Roche, S. Moroz","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-03-15T04:31:37Z","title":"Auxiliary-Field Quantum Monte Carlo Simulations of Neutron Matter in Chiral Effective Field Theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.3753","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":"sha256:6e37af451dafea454ce3a052b427120736ec3c97afc8b2f387e2b337c6a00bbb","target":"record","created_at":"2026-05-18T02:38:37Z","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":"216e8daccb7789db61fa752986bdd3fe6b3201b5b4bafe32530fb4ace4b581c7","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-03-15T04:31:37Z","title_canon_sha256":"a0a0b3b304083ef7fce743ef4097e4b015ac954b89d05d45abd5d9666f44a18a"},"schema_version":"1.0","source":{"id":"1403.3753","kind":"arxiv","version":2}},"canonical_sha256":"d23308e0a0b2a798a98e06f6cfe80333e5083819775a0f83b88ed48ac4240c1f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d23308e0a0b2a798a98e06f6cfe80333e5083819775a0f83b88ed48ac4240c1f","first_computed_at":"2026-05-18T02:38:37.145526Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:38:37.145526Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Q9VxDRsJv3uktXNApGqzKcTlJo8RTGRfCBVqOaSPMR1NjZ2VOhbmcIZ/isjp3AZOqNxoVdkzNYw+a7aPYdVxBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:38:37.146164Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.3753","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6e37af451dafea454ce3a052b427120736ec3c97afc8b2f387e2b337c6a00bbb","sha256:157b0b620d87599aaa564e9c0c15faf14a64ee56a05aac1bb2e8057ae9c3f263"],"state_sha256":"f10ed33d04f75e9b9ec637c9424d7c69586570b71633286f6651a73c0cb384d9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tJFI1ndKy1eMyWGutMbs1ISZ+H6EMB14d9zi9teTvhYvFfpgQLL/KGdWZnxidU0lnYfNclsGnnXE6Cb+NALoCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T21:36:46.228270Z","bundle_sha256":"d46d7d42dfc2cff2839a02d0188147a93065ec939092345bc2bc7091189927b0"}}