{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:VUUD7EQVVGGSFUVPYIK5WMLEIZ","short_pith_number":"pith:VUUD7EQV","canonical_record":{"source":{"id":"1512.07361","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-23T05:41:20Z","cross_cats_sorted":["hep-lat","hep-th","nucl-th"],"title_canon_sha256":"6edf5abbedaddd9ed85f2242a6d2d49bf133364ff835ee5b255e6789e870db18","abstract_canon_sha256":"00e5445d5bcd256d0617529a742eeaef9ee4796d2d816249bdc2e72581b26f1f"},"schema_version":"1.0"},"canonical_sha256":"ad283f9215a98d22d2afc215db31644664949670957c9eb5a4f3d3c396339f43","source":{"kind":"arxiv","id":"1512.07361","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.07361","created_at":"2026-05-18T01:17:36Z"},{"alias_kind":"arxiv_version","alias_value":"1512.07361v2","created_at":"2026-05-18T01:17:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07361","created_at":"2026-05-18T01:17:36Z"},{"alias_kind":"pith_short_12","alias_value":"VUUD7EQVVGGS","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"VUUD7EQVVGGSFUVP","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"VUUD7EQV","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:VUUD7EQVVGGSFUVPYIK5WMLEIZ","target":"record","payload":{"canonical_record":{"source":{"id":"1512.07361","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-23T05:41:20Z","cross_cats_sorted":["hep-lat","hep-th","nucl-th"],"title_canon_sha256":"6edf5abbedaddd9ed85f2242a6d2d49bf133364ff835ee5b255e6789e870db18","abstract_canon_sha256":"00e5445d5bcd256d0617529a742eeaef9ee4796d2d816249bdc2e72581b26f1f"},"schema_version":"1.0"},"canonical_sha256":"ad283f9215a98d22d2afc215db31644664949670957c9eb5a4f3d3c396339f43","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:36.906896Z","signature_b64":"Fkc9ZY97+YtD5dNj/NvPFByR41PlEF3z8MdtD1B5/vGG5inSQv44Xg6C/fi2um2AZSAouEPECrc5GaZtlbUwBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad283f9215a98d22d2afc215db31644664949670957c9eb5a4f3d3c396339f43","last_reissued_at":"2026-05-18T01:17:36.906207Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:36.906207Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.07361","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":"2026-05-18T01:17:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"knkhRdaeuUznAeCJJBxo5T1/AgGoT+P1zUmr8DD4VPYpgmnfsH2dNHsHzmc4d9e9EOwiTDSVroxJHYNMKIi6AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T10:53:42.046544Z"},"content_sha256":"0281624561cef31c547c4be6587a5f619b62dea0f8dd4da2ec013cee5df4e608","schema_version":"1.0","event_id":"sha256:0281624561cef31c547c4be6587a5f619b62dea0f8dd4da2ec013cee5df4e608"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:VUUD7EQVVGGSFUVPYIK5WMLEIZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mesons in strong magnetic fields: (I) General analyses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-lat","hep-th","nucl-th"],"primary_cat":"hep-ph","authors_text":"Koichi Hattori, Nan Su, Toru Kojo","submitted_at":"2015-12-23T05:41:20Z","abstract_excerpt":"We study properties of neutral and charged mesons in strong magnetic fields |eB|>> Lambda_QCD^2 with Lambda_QCD being the QCD renormalization scale. Assuming long-range interactions, we examine magnetic-field dependences of various quantities such as the constituent quark mass, chiral condensate, meson spectra, and meson wavefunctions by analyzing the Schwinger-Dyson and Bethe-Salpeter equations. Based on the density of states obtained from these analyses, we extend the hadron resonance gas (HRG) model to investigate thermodynamics at large B. As B increases the meson energy behaves as a slowl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07361","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":"2026-05-18T01:17:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B0sZKzxwyjcVlxqYlJF7wvmjG8yFsUIB0yJv5DFj7+V0IsGwGrfS8PjZGT9JCVzndBDqvwl30CHV8caeOHTJCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T10:53:42.047153Z"},"content_sha256":"44ce8f058cae72b9a599ce0c4653f3d640b2e9932b45e88a437f0e3652aff605","schema_version":"1.0","event_id":"sha256:44ce8f058cae72b9a599ce0c4653f3d640b2e9932b45e88a437f0e3652aff605"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VUUD7EQVVGGSFUVPYIK5WMLEIZ/bundle.json","state_url":"https://pith.science/pith/VUUD7EQVVGGSFUVPYIK5WMLEIZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VUUD7EQVVGGSFUVPYIK5WMLEIZ/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":"2026-05-22T10:53:42Z","links":{"resolver":"https://pith.science/pith/VUUD7EQVVGGSFUVPYIK5WMLEIZ","bundle":"https://pith.science/pith/VUUD7EQVVGGSFUVPYIK5WMLEIZ/bundle.json","state":"https://pith.science/pith/VUUD7EQVVGGSFUVPYIK5WMLEIZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VUUD7EQVVGGSFUVPYIK5WMLEIZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:VUUD7EQVVGGSFUVPYIK5WMLEIZ","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":"00e5445d5bcd256d0617529a742eeaef9ee4796d2d816249bdc2e72581b26f1f","cross_cats_sorted":["hep-lat","hep-th","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-23T05:41:20Z","title_canon_sha256":"6edf5abbedaddd9ed85f2242a6d2d49bf133364ff835ee5b255e6789e870db18"},"schema_version":"1.0","source":{"id":"1512.07361","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.07361","created_at":"2026-05-18T01:17:36Z"},{"alias_kind":"arxiv_version","alias_value":"1512.07361v2","created_at":"2026-05-18T01:17:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07361","created_at":"2026-05-18T01:17:36Z"},{"alias_kind":"pith_short_12","alias_value":"VUUD7EQVVGGS","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"VUUD7EQVVGGSFUVP","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"VUUD7EQV","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:44ce8f058cae72b9a599ce0c4653f3d640b2e9932b45e88a437f0e3652aff605","target":"graph","created_at":"2026-05-18T01:17:36Z","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 study properties of neutral and charged mesons in strong magnetic fields |eB|>> Lambda_QCD^2 with Lambda_QCD being the QCD renormalization scale. Assuming long-range interactions, we examine magnetic-field dependences of various quantities such as the constituent quark mass, chiral condensate, meson spectra, and meson wavefunctions by analyzing the Schwinger-Dyson and Bethe-Salpeter equations. Based on the density of states obtained from these analyses, we extend the hadron resonance gas (HRG) model to investigate thermodynamics at large B. As B increases the meson energy behaves as a slowl","authors_text":"Koichi Hattori, Nan Su, Toru Kojo","cross_cats":["hep-lat","hep-th","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-23T05:41:20Z","title":"Mesons in strong magnetic fields: (I) General analyses"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07361","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":"sha256:0281624561cef31c547c4be6587a5f619b62dea0f8dd4da2ec013cee5df4e608","target":"record","created_at":"2026-05-18T01:17:36Z","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":"00e5445d5bcd256d0617529a742eeaef9ee4796d2d816249bdc2e72581b26f1f","cross_cats_sorted":["hep-lat","hep-th","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-23T05:41:20Z","title_canon_sha256":"6edf5abbedaddd9ed85f2242a6d2d49bf133364ff835ee5b255e6789e870db18"},"schema_version":"1.0","source":{"id":"1512.07361","kind":"arxiv","version":2}},"canonical_sha256":"ad283f9215a98d22d2afc215db31644664949670957c9eb5a4f3d3c396339f43","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad283f9215a98d22d2afc215db31644664949670957c9eb5a4f3d3c396339f43","first_computed_at":"2026-05-18T01:17:36.906207Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:36.906207Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Fkc9ZY97+YtD5dNj/NvPFByR41PlEF3z8MdtD1B5/vGG5inSQv44Xg6C/fi2um2AZSAouEPECrc5GaZtlbUwBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:36.906896Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.07361","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0281624561cef31c547c4be6587a5f619b62dea0f8dd4da2ec013cee5df4e608","sha256:44ce8f058cae72b9a599ce0c4653f3d640b2e9932b45e88a437f0e3652aff605"],"state_sha256":"fbf2313ac974da98bfb49f53241e701b9fa0f957e9e07044ef59207e267743a7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+lxVKAS7oA1PNO3KAoa+UwVc6JibqItsARBw1KhQB69isMwk2DOg+sT56LaCu+IaMxZGAuJ3vvb0S6BKPyriCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T10:53:42.050652Z","bundle_sha256":"ea3a33ce9b90f9d999e08596261f26991fe8c2cbbcaa46544d915347860a68b5"}}