{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:CP7CG5PRF6ZMLRPVC2QACAS6ZI","short_pith_number":"pith:CP7CG5PR","canonical_record":{"source":{"id":"1912.03102","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-12-06T13:30:05Z","cross_cats_sorted":["hep-lat","hep-ph"],"title_canon_sha256":"722dde3a32b0ab32970a82cbeae88f53a05ce53edf01dc2e28b08e8e51b01647","abstract_canon_sha256":"391fa86358f77504620882de46c3fc351e01ed2d2d201996b2ef2ed168956430"},"schema_version":"1.0"},"canonical_sha256":"13fe2375f12fb2c5c5f516a001025eca22dd0e6afd2d6eb68cc1290b7e82268c","source":{"kind":"arxiv","id":"1912.03102","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.03102","created_at":"2026-07-05T01:14:32Z"},{"alias_kind":"arxiv_version","alias_value":"1912.03102v2","created_at":"2026-07-05T01:14:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.03102","created_at":"2026-07-05T01:14:32Z"},{"alias_kind":"pith_short_12","alias_value":"CP7CG5PRF6ZM","created_at":"2026-07-05T01:14:32Z"},{"alias_kind":"pith_short_16","alias_value":"CP7CG5PRF6ZMLRPV","created_at":"2026-07-05T01:14:32Z"},{"alias_kind":"pith_short_8","alias_value":"CP7CG5PR","created_at":"2026-07-05T01:14:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:CP7CG5PRF6ZMLRPVC2QACAS6ZI","target":"record","payload":{"canonical_record":{"source":{"id":"1912.03102","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-12-06T13:30:05Z","cross_cats_sorted":["hep-lat","hep-ph"],"title_canon_sha256":"722dde3a32b0ab32970a82cbeae88f53a05ce53edf01dc2e28b08e8e51b01647","abstract_canon_sha256":"391fa86358f77504620882de46c3fc351e01ed2d2d201996b2ef2ed168956430"},"schema_version":"1.0"},"canonical_sha256":"13fe2375f12fb2c5c5f516a001025eca22dd0e6afd2d6eb68cc1290b7e82268c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:14:32.794008Z","signature_b64":"N6d5+9+XW4KNPAioyPxz/hD6vO/kS6feoQDFkJY6eQM9zZ8gsq4WPX5jILtwubxILgBTD/HU1xJh7HIWwlUYCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"13fe2375f12fb2c5c5f516a001025eca22dd0e6afd2d6eb68cc1290b7e82268c","last_reissued_at":"2026-07-05T01:14:32.793568Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:14:32.793568Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.03102","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":"2026-07-05T01:14:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gL136jlFVnA+iLGTU06wb6Kq2ZoalcruFVp+DZNkYqJqi6Xi04O2cbi2Y391phNYFAWxx5Bi2D/rlAh3q/PHBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T17:41:16.280980Z"},"content_sha256":"171a0b0ab76beff66e16228b3283c508712c5bfddc45ec5f97b5e3d1d52483dd","schema_version":"1.0","event_id":"sha256:171a0b0ab76beff66e16228b3283c508712c5bfddc45ec5f97b5e3d1d52483dd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:CP7CG5PRF6ZMLRPVC2QACAS6ZI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Light Hadron Masses from a Matrix Model for QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-lat","hep-ph"],"primary_cat":"hep-th","authors_text":"Mahul Pandey, Sachindeo Vaidya","submitted_at":"2019-12-06T13:30:05Z","abstract_excerpt":"The $SU(3)$ Yang-Mills matrix model coupled to fundamental fermions is an approximation of quantum chromodynamics (QCD) on a 3-sphere of radius $R$. The spectrum of this matrix model Hamiltonian is estimated using standard variational methods, and is analyzed in the strong coupling limit. By employing a matching prescription to determine the dependence of the Yang-Mills coupling constant $g$ on $R$, we relate the asymptotic values of the energy eigenvalues in the $R \\rightarrow \\infty$ (flat space) limit to the masses of light hadrons. We find that the matrix model estimates the light hadron s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.03102","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/1912.03102/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":"2026-07-05T01:14:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1jWim9WIJ/8obOVRlm/zV/YqMbdseFxWIxwLZrZMpdoADWLpk7UWWF3uCb0fq0FoMFcG0D2J+S3Yk3dTun5gBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T17:41:16.281884Z"},"content_sha256":"27035adbfc6d025f5a1c3a18093e4c8b9be8397b6b8b7a4401df3af4859683bc","schema_version":"1.0","event_id":"sha256:27035adbfc6d025f5a1c3a18093e4c8b9be8397b6b8b7a4401df3af4859683bc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CP7CG5PRF6ZMLRPVC2QACAS6ZI/bundle.json","state_url":"https://pith.science/pith/CP7CG5PRF6ZMLRPVC2QACAS6ZI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CP7CG5PRF6ZMLRPVC2QACAS6ZI/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":"2026-08-04T17:41:16Z","links":{"resolver":"https://pith.science/pith/CP7CG5PRF6ZMLRPVC2QACAS6ZI","bundle":"https://pith.science/pith/CP7CG5PRF6ZMLRPVC2QACAS6ZI/bundle.json","state":"https://pith.science/pith/CP7CG5PRF6ZMLRPVC2QACAS6ZI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CP7CG5PRF6ZMLRPVC2QACAS6ZI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:CP7CG5PRF6ZMLRPVC2QACAS6ZI","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":"391fa86358f77504620882de46c3fc351e01ed2d2d201996b2ef2ed168956430","cross_cats_sorted":["hep-lat","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-12-06T13:30:05Z","title_canon_sha256":"722dde3a32b0ab32970a82cbeae88f53a05ce53edf01dc2e28b08e8e51b01647"},"schema_version":"1.0","source":{"id":"1912.03102","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.03102","created_at":"2026-07-05T01:14:32Z"},{"alias_kind":"arxiv_version","alias_value":"1912.03102v2","created_at":"2026-07-05T01:14:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.03102","created_at":"2026-07-05T01:14:32Z"},{"alias_kind":"pith_short_12","alias_value":"CP7CG5PRF6ZM","created_at":"2026-07-05T01:14:32Z"},{"alias_kind":"pith_short_16","alias_value":"CP7CG5PRF6ZMLRPV","created_at":"2026-07-05T01:14:32Z"},{"alias_kind":"pith_short_8","alias_value":"CP7CG5PR","created_at":"2026-07-05T01:14:32Z"}],"graph_snapshots":[{"event_id":"sha256:27035adbfc6d025f5a1c3a18093e4c8b9be8397b6b8b7a4401df3af4859683bc","target":"graph","created_at":"2026-07-05T01:14:32Z","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/1912.03102/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The $SU(3)$ Yang-Mills matrix model coupled to fundamental fermions is an approximation of quantum chromodynamics (QCD) on a 3-sphere of radius $R$. The spectrum of this matrix model Hamiltonian is estimated using standard variational methods, and is analyzed in the strong coupling limit. By employing a matching prescription to determine the dependence of the Yang-Mills coupling constant $g$ on $R$, we relate the asymptotic values of the energy eigenvalues in the $R \\rightarrow \\infty$ (flat space) limit to the masses of light hadrons. We find that the matrix model estimates the light hadron s","authors_text":"Mahul Pandey, Sachindeo Vaidya","cross_cats":["hep-lat","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-12-06T13:30:05Z","title":"Light Hadron Masses from a Matrix Model for QCD"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.03102","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":"sha256:171a0b0ab76beff66e16228b3283c508712c5bfddc45ec5f97b5e3d1d52483dd","target":"record","created_at":"2026-07-05T01:14:32Z","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":"391fa86358f77504620882de46c3fc351e01ed2d2d201996b2ef2ed168956430","cross_cats_sorted":["hep-lat","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-12-06T13:30:05Z","title_canon_sha256":"722dde3a32b0ab32970a82cbeae88f53a05ce53edf01dc2e28b08e8e51b01647"},"schema_version":"1.0","source":{"id":"1912.03102","kind":"arxiv","version":2}},"canonical_sha256":"13fe2375f12fb2c5c5f516a001025eca22dd0e6afd2d6eb68cc1290b7e82268c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"13fe2375f12fb2c5c5f516a001025eca22dd0e6afd2d6eb68cc1290b7e82268c","first_computed_at":"2026-07-05T01:14:32.793568Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:14:32.793568Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N6d5+9+XW4KNPAioyPxz/hD6vO/kS6feoQDFkJY6eQM9zZ8gsq4WPX5jILtwubxILgBTD/HU1xJh7HIWwlUYCw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:14:32.794008Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.03102","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:171a0b0ab76beff66e16228b3283c508712c5bfddc45ec5f97b5e3d1d52483dd","sha256:27035adbfc6d025f5a1c3a18093e4c8b9be8397b6b8b7a4401df3af4859683bc"],"state_sha256":"c319b49bad8cf268748c03d041c302266c9c0d7195c16e388c27d49ec45e4e50"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IubtS1PgLom8IRyX2zno1mHnUpasU/iln21sZKxOTvML7aZWxPjRV2sXNROfSt949XD23kXQDs5WnVhHlvvXCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T17:41:16.288421Z","bundle_sha256":"845b3d6d9da048bf12c1397198a5e62ef8b499b2bb3b24339830ba6876c7f394"}}