{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:IF5ER6XV5ZVN4XTW3I4SJ3IOOD","short_pith_number":"pith:IF5ER6XV","canonical_record":{"source":{"id":"1207.3005","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-07-12T16:02:08Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"061bce84cedec6237e9a7683df5d5367134d7ce0d34c43ac4997cc0822e509e9","abstract_canon_sha256":"9f37852f98857116e946ccfd8bdbee25c57b6f3ef022a1c16339a774787619f2"},"schema_version":"1.0"},"canonical_sha256":"417a48faf5ee6ade5e76da3924ed0e70f1c44b6958f0644012e73c02ee1460e1","source":{"kind":"arxiv","id":"1207.3005","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.3005","created_at":"2026-05-18T03:29:51Z"},{"alias_kind":"arxiv_version","alias_value":"1207.3005v2","created_at":"2026-05-18T03:29:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.3005","created_at":"2026-05-18T03:29:51Z"},{"alias_kind":"pith_short_12","alias_value":"IF5ER6XV5ZVN","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"IF5ER6XV5ZVN4XTW","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"IF5ER6XV","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:IF5ER6XV5ZVN4XTW3I4SJ3IOOD","target":"record","payload":{"canonical_record":{"source":{"id":"1207.3005","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-07-12T16:02:08Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"061bce84cedec6237e9a7683df5d5367134d7ce0d34c43ac4997cc0822e509e9","abstract_canon_sha256":"9f37852f98857116e946ccfd8bdbee25c57b6f3ef022a1c16339a774787619f2"},"schema_version":"1.0"},"canonical_sha256":"417a48faf5ee6ade5e76da3924ed0e70f1c44b6958f0644012e73c02ee1460e1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:29:51.052335Z","signature_b64":"NfoKZoUlSOXQRqQngxHm74GnoyIEgI7ogp9+ubFfq6mcgGRlGP0I3ro00WHIcw6tbemLAeMpEsrXo7TAmkicBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"417a48faf5ee6ade5e76da3924ed0e70f1c44b6958f0644012e73c02ee1460e1","last_reissued_at":"2026-05-18T03:29:51.051665Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:29:51.051665Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.3005","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":"2026-05-18T03:29:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zAlzmRiNRQNYwHg7y7D43c0ACxFIOwQY7LQfxusHhk1ogBrDw3JPNnZ553g97znDBh94/rRLM5E+U84to9j4AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:08:43.201916Z"},"content_sha256":"b30a7d490abca821c66dae5293b9077006e6e4ecf84a4a331de345f9882b4d91","schema_version":"1.0","event_id":"sha256:b30a7d490abca821c66dae5293b9077006e6e4ecf84a4a331de345f9882b4d91"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:IF5ER6XV5ZVN4XTW3I4SJ3IOOD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Onset Transition to Cold Nuclear Matter from Lattice QCD with Heavy Quarks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-lat","authors_text":"Jens Langelage, Mathias Neuman, Michael Fromm, Owe Philipsen, Stefano Lottini","submitted_at":"2012-07-12T16:02:08Z","abstract_excerpt":"Lattice QCD at finite density suffers from a severe sign problem, which has so far prohibited simulations of the cold and dense regime. Here we study the onset of nuclear matter employing a three-dimensional effective theory derived by combined strong coupling and hopping expansions, which is valid for heavy but dynamical quarks and has a mild sign problem only. Its numerical evaluations agree between a standard Metropolis and complex Langevin algorithm, where the latter is free of the sign problem. Our continuum extrapolated data clearly show a first order phase transition building up at $\\mu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.3005","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":"2026-05-18T03:29:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/XPTwKezxeIAMXaQGgFeBz/+kNXiTYtFixhOIXWkl9C9LtaKQBBtcqxtCn+m6UPRvl7kDDxnGQuhOALwtCGiDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:08:43.202270Z"},"content_sha256":"07d2a3afe685156341868559dc5172d5042946659b1885995632d9d1bce97e98","schema_version":"1.0","event_id":"sha256:07d2a3afe685156341868559dc5172d5042946659b1885995632d9d1bce97e98"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IF5ER6XV5ZVN4XTW3I4SJ3IOOD/bundle.json","state_url":"https://pith.science/pith/IF5ER6XV5ZVN4XTW3I4SJ3IOOD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IF5ER6XV5ZVN4XTW3I4SJ3IOOD/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":"2026-05-28T09:08:43Z","links":{"resolver":"https://pith.science/pith/IF5ER6XV5ZVN4XTW3I4SJ3IOOD","bundle":"https://pith.science/pith/IF5ER6XV5ZVN4XTW3I4SJ3IOOD/bundle.json","state":"https://pith.science/pith/IF5ER6XV5ZVN4XTW3I4SJ3IOOD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IF5ER6XV5ZVN4XTW3I4SJ3IOOD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:IF5ER6XV5ZVN4XTW3I4SJ3IOOD","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":"9f37852f98857116e946ccfd8bdbee25c57b6f3ef022a1c16339a774787619f2","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-07-12T16:02:08Z","title_canon_sha256":"061bce84cedec6237e9a7683df5d5367134d7ce0d34c43ac4997cc0822e509e9"},"schema_version":"1.0","source":{"id":"1207.3005","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.3005","created_at":"2026-05-18T03:29:51Z"},{"alias_kind":"arxiv_version","alias_value":"1207.3005v2","created_at":"2026-05-18T03:29:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.3005","created_at":"2026-05-18T03:29:51Z"},{"alias_kind":"pith_short_12","alias_value":"IF5ER6XV5ZVN","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"IF5ER6XV5ZVN4XTW","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"IF5ER6XV","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:07d2a3afe685156341868559dc5172d5042946659b1885995632d9d1bce97e98","target":"graph","created_at":"2026-05-18T03:29:51Z","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":"Lattice QCD at finite density suffers from a severe sign problem, which has so far prohibited simulations of the cold and dense regime. Here we study the onset of nuclear matter employing a three-dimensional effective theory derived by combined strong coupling and hopping expansions, which is valid for heavy but dynamical quarks and has a mild sign problem only. Its numerical evaluations agree between a standard Metropolis and complex Langevin algorithm, where the latter is free of the sign problem. Our continuum extrapolated data clearly show a first order phase transition building up at $\\mu","authors_text":"Jens Langelage, Mathias Neuman, Michael Fromm, Owe Philipsen, Stefano Lottini","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-07-12T16:02:08Z","title":"Onset Transition to Cold Nuclear Matter from Lattice QCD with Heavy Quarks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.3005","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:b30a7d490abca821c66dae5293b9077006e6e4ecf84a4a331de345f9882b4d91","target":"record","created_at":"2026-05-18T03:29:51Z","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":"9f37852f98857116e946ccfd8bdbee25c57b6f3ef022a1c16339a774787619f2","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-07-12T16:02:08Z","title_canon_sha256":"061bce84cedec6237e9a7683df5d5367134d7ce0d34c43ac4997cc0822e509e9"},"schema_version":"1.0","source":{"id":"1207.3005","kind":"arxiv","version":2}},"canonical_sha256":"417a48faf5ee6ade5e76da3924ed0e70f1c44b6958f0644012e73c02ee1460e1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"417a48faf5ee6ade5e76da3924ed0e70f1c44b6958f0644012e73c02ee1460e1","first_computed_at":"2026-05-18T03:29:51.051665Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:29:51.051665Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NfoKZoUlSOXQRqQngxHm74GnoyIEgI7ogp9+ubFfq6mcgGRlGP0I3ro00WHIcw6tbemLAeMpEsrXo7TAmkicBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:29:51.052335Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.3005","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b30a7d490abca821c66dae5293b9077006e6e4ecf84a4a331de345f9882b4d91","sha256:07d2a3afe685156341868559dc5172d5042946659b1885995632d9d1bce97e98"],"state_sha256":"2fdb80f6e11eb90c613641ec7bb9706ea6ebe205c0cb114fbe8667094481005d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8MpGt0e3p8CQqkqa9W0DiheXZHeAjxrR0mZsIuIJ5JNN/ewGUwKBIMdwDqvAHthGiVovnAD/dIu0frEuumO+Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T09:08:43.204328Z","bundle_sha256":"7177c88b9d5243e257c439e155ae8294adb49abd2f57d6d0a742bebfd13f58cd"}}