{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:7JPR5VM7WDWYD4EKNOK3Q3ESCQ","short_pith_number":"pith:7JPR5VM7","canonical_record":{"source":{"id":"2109.12921","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-09-27T10:08:54Z","cross_cats_sorted":[],"title_canon_sha256":"f43a7523270106fa54b4045b723e553bb178b8d797350703478a9c851a77651c","abstract_canon_sha256":"945375f34528a0cc85ecab25841f2ff8d91f67188edb165e6ba6c07c05c9bd35"},"schema_version":"1.0"},"canonical_sha256":"fa5f1ed59fb0ed81f08a6b95b86c92141a58b9af2f784a9d834c3a798eedaec0","source":{"kind":"arxiv","id":"2109.12921","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.12921","created_at":"2026-07-05T04:49:21Z"},{"alias_kind":"arxiv_version","alias_value":"2109.12921v2","created_at":"2026-07-05T04:49:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.12921","created_at":"2026-07-05T04:49:21Z"},{"alias_kind":"pith_short_12","alias_value":"7JPR5VM7WDWY","created_at":"2026-07-05T04:49:21Z"},{"alias_kind":"pith_short_16","alias_value":"7JPR5VM7WDWYD4EK","created_at":"2026-07-05T04:49:21Z"},{"alias_kind":"pith_short_8","alias_value":"7JPR5VM7","created_at":"2026-07-05T04:49:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:7JPR5VM7WDWYD4EKNOK3Q3ESCQ","target":"record","payload":{"canonical_record":{"source":{"id":"2109.12921","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-09-27T10:08:54Z","cross_cats_sorted":[],"title_canon_sha256":"f43a7523270106fa54b4045b723e553bb178b8d797350703478a9c851a77651c","abstract_canon_sha256":"945375f34528a0cc85ecab25841f2ff8d91f67188edb165e6ba6c07c05c9bd35"},"schema_version":"1.0"},"canonical_sha256":"fa5f1ed59fb0ed81f08a6b95b86c92141a58b9af2f784a9d834c3a798eedaec0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:49:21.464973Z","signature_b64":"0Nnu1z8Zbkrl1qMISv4DWw0aQttw4m8MTu1KG5enyudS6qv3N9TrG2iRC+zVf02XctyyG8xdvpqPbH/C4tdxAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fa5f1ed59fb0ed81f08a6b95b86c92141a58b9af2f784a9d834c3a798eedaec0","last_reissued_at":"2026-07-05T04:49:21.464521Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:49:21.464521Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.12921","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":"2026-07-05T04:49:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L8dEseoWyEhqPis8FLTHYssUws1YimO+ZK/PpP1FU33L8C931oorMeiUed+eTSOvlUZsgQONQh4crBktr+JbCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T05:47:31.088870Z"},"content_sha256":"629b7febce5c112a6faf9a7b3c93e63ddf9767104c1b1425d59e17a76cca27ca","schema_version":"1.0","event_id":"sha256:629b7febce5c112a6faf9a7b3c93e63ddf9767104c1b1425d59e17a76cca27ca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:7JPR5VM7WDWYD4EKNOK3Q3ESCQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hadron structure from basis light-front quantization","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Chandan Mondal, James P. Vary, Jiangshan Lan, Kaiyu Fu, Siqi Xu, Xingbo Zhao, Zhi Hu","submitted_at":"2021-09-27T10:08:54Z","abstract_excerpt":"We present our recent progress in applying basis light-front quantization approach to investigate the structure of the light mesons and the nucleon."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.12921","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/2109.12921/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":"2026-07-05T04:49:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cP6yMbntWJ9raWqfBfFjCo2MnUPyQiKo3OTXP/4qKfSHm1WfWXnVEJM7Q31IZ7vZ6W4lMNBUYe38fqbIkKCdCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T05:47:31.089230Z"},"content_sha256":"6ee5a5df788f2aed36e889d486aa4598451a3957e027f4099f9b7bd505a6100a","schema_version":"1.0","event_id":"sha256:6ee5a5df788f2aed36e889d486aa4598451a3957e027f4099f9b7bd505a6100a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7JPR5VM7WDWYD4EKNOK3Q3ESCQ/bundle.json","state_url":"https://pith.science/pith/7JPR5VM7WDWYD4EKNOK3Q3ESCQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7JPR5VM7WDWYD4EKNOK3Q3ESCQ/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":"2026-07-16T05:47:31Z","links":{"resolver":"https://pith.science/pith/7JPR5VM7WDWYD4EKNOK3Q3ESCQ","bundle":"https://pith.science/pith/7JPR5VM7WDWYD4EKNOK3Q3ESCQ/bundle.json","state":"https://pith.science/pith/7JPR5VM7WDWYD4EKNOK3Q3ESCQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7JPR5VM7WDWYD4EKNOK3Q3ESCQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:7JPR5VM7WDWYD4EKNOK3Q3ESCQ","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":"945375f34528a0cc85ecab25841f2ff8d91f67188edb165e6ba6c07c05c9bd35","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-09-27T10:08:54Z","title_canon_sha256":"f43a7523270106fa54b4045b723e553bb178b8d797350703478a9c851a77651c"},"schema_version":"1.0","source":{"id":"2109.12921","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.12921","created_at":"2026-07-05T04:49:21Z"},{"alias_kind":"arxiv_version","alias_value":"2109.12921v2","created_at":"2026-07-05T04:49:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.12921","created_at":"2026-07-05T04:49:21Z"},{"alias_kind":"pith_short_12","alias_value":"7JPR5VM7WDWY","created_at":"2026-07-05T04:49:21Z"},{"alias_kind":"pith_short_16","alias_value":"7JPR5VM7WDWYD4EK","created_at":"2026-07-05T04:49:21Z"},{"alias_kind":"pith_short_8","alias_value":"7JPR5VM7","created_at":"2026-07-05T04:49:21Z"}],"graph_snapshots":[{"event_id":"sha256:6ee5a5df788f2aed36e889d486aa4598451a3957e027f4099f9b7bd505a6100a","target":"graph","created_at":"2026-07-05T04:49:21Z","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/2109.12921/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present our recent progress in applying basis light-front quantization approach to investigate the structure of the light mesons and the nucleon.","authors_text":"Chandan Mondal, James P. Vary, Jiangshan Lan, Kaiyu Fu, Siqi Xu, Xingbo Zhao, Zhi Hu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-09-27T10:08:54Z","title":"Hadron structure from basis light-front quantization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.12921","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":"sha256:629b7febce5c112a6faf9a7b3c93e63ddf9767104c1b1425d59e17a76cca27ca","target":"record","created_at":"2026-07-05T04:49:21Z","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":"945375f34528a0cc85ecab25841f2ff8d91f67188edb165e6ba6c07c05c9bd35","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-09-27T10:08:54Z","title_canon_sha256":"f43a7523270106fa54b4045b723e553bb178b8d797350703478a9c851a77651c"},"schema_version":"1.0","source":{"id":"2109.12921","kind":"arxiv","version":2}},"canonical_sha256":"fa5f1ed59fb0ed81f08a6b95b86c92141a58b9af2f784a9d834c3a798eedaec0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fa5f1ed59fb0ed81f08a6b95b86c92141a58b9af2f784a9d834c3a798eedaec0","first_computed_at":"2026-07-05T04:49:21.464521Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:49:21.464521Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0Nnu1z8Zbkrl1qMISv4DWw0aQttw4m8MTu1KG5enyudS6qv3N9TrG2iRC+zVf02XctyyG8xdvpqPbH/C4tdxAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:49:21.464973Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.12921","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:629b7febce5c112a6faf9a7b3c93e63ddf9767104c1b1425d59e17a76cca27ca","sha256:6ee5a5df788f2aed36e889d486aa4598451a3957e027f4099f9b7bd505a6100a"],"state_sha256":"83d5e54ee0185c439207fda72139af0035883724bb18b5d9a7d45718f73b82bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RsptG1gzuRCklcNiN81DlrFS7iZulEehOvF06oEhceTjIEgm2cI/6CumxIy1QCpy8yl0PhU1HN+FsgXSSK7vAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-16T05:47:31.091395Z","bundle_sha256":"6c0ee5a7eafd777ddae734c3f42c757e18526b56389894cfcaa528bf5cf00df6"}}