{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:APGQSXQRS7455TBQDDEXQTQQQ4","short_pith_number":"pith:APGQSXQR","canonical_record":{"source":{"id":"2108.12345","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"hep-ph","submitted_at":"2021-08-27T15:20:40Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"5513d688e8f1eba3bb07ab491952d12cbe70934c8deecb1476c6cc2227e54129","abstract_canon_sha256":"0e59921cbca3599dbb3c20a11bb751f6cbca4c6a2ff26973cc59bfb2fc596b58"},"schema_version":"1.0"},"canonical_sha256":"03cd095e1197f9decc3018c9784e10873bf0c75bb0f82b84476183960fee9556","source":{"kind":"arxiv","id":"2108.12345","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.12345","created_at":"2026-07-05T03:34:33Z"},{"alias_kind":"arxiv_version","alias_value":"2108.12345v2","created_at":"2026-07-05T03:34:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.12345","created_at":"2026-07-05T03:34:33Z"},{"alias_kind":"pith_short_12","alias_value":"APGQSXQRS745","created_at":"2026-07-05T03:34:33Z"},{"alias_kind":"pith_short_16","alias_value":"APGQSXQRS7455TBQ","created_at":"2026-07-05T03:34:33Z"},{"alias_kind":"pith_short_8","alias_value":"APGQSXQR","created_at":"2026-07-05T03:34:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:APGQSXQRS7455TBQDDEXQTQQQ4","target":"record","payload":{"canonical_record":{"source":{"id":"2108.12345","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"hep-ph","submitted_at":"2021-08-27T15:20:40Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"5513d688e8f1eba3bb07ab491952d12cbe70934c8deecb1476c6cc2227e54129","abstract_canon_sha256":"0e59921cbca3599dbb3c20a11bb751f6cbca4c6a2ff26973cc59bfb2fc596b58"},"schema_version":"1.0"},"canonical_sha256":"03cd095e1197f9decc3018c9784e10873bf0c75bb0f82b84476183960fee9556","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:34:33.860176Z","signature_b64":"53SPEyE/gtRA+kGZO57PyBbH7tmtfuXdySaDZlhlV/I3MYMmhXWKLI6Fy1OWawUZVVi6r4ZQqeCo3mBw7PGNAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"03cd095e1197f9decc3018c9784e10873bf0c75bb0f82b84476183960fee9556","last_reissued_at":"2026-07-05T03:34:33.859754Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:34:33.859754Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2108.12345","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":"2026-07-05T03:34:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+hJI8hiQC2iHwUW57BHRgWhKXfx6Y4hLaoycIYHYLvJB4MNGyGhUnK6ao+n1+FilPtVpO0tv4Z8KDhatKwSVCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T03:17:33.759967Z"},"content_sha256":"7d8983b4bd7d67f13505bf06a97ec5fdb50a769602b71b72ed14fa03f5236148","schema_version":"1.0","event_id":"sha256:7d8983b4bd7d67f13505bf06a97ec5fdb50a769602b71b72ed14fa03f5236148"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:APGQSXQRS7455TBQDDEXQTQQQ4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hadronic light-by-light contribution to the muon $g-2$ from holographic QCD with massive pions","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"hep-ph","authors_text":"Anton Rebhan, Josef Leutgeb","submitted_at":"2021-08-27T15:20:40Z","abstract_excerpt":"We extend our previous calculations of the hadronic light-by-light scattering contribution to the muon anomalous magnetic moment in holographic QCD to models with finite quark masses and a tower of massive pions. Analysing the role of the latter in the Wess-Zumino-Witten action, we show that the Melnikov-Vainshtein short-distance constraint is satisfied solely by the summation of contributions from the infinite tower of axial vector meson contributions. There is also an enhancement of the asymptotic behavior of pseudoscalar contributions when their infinite tower of excitations is summed, but "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.12345","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/2108.12345/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":"2026-07-05T03:34:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w9tgRmRgvtq5SrUhK5gTMS8pb7KB2TnCh/7b/tMNi+UilwQSeX/4UEdyuKL2BId9g6QDIXvKn4u4i9/xHsl0CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T03:17:33.760484Z"},"content_sha256":"3a12e012f9766455061520ca2d658591bd1bdacdaac51fe5b15aa512761210e9","schema_version":"1.0","event_id":"sha256:3a12e012f9766455061520ca2d658591bd1bdacdaac51fe5b15aa512761210e9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/APGQSXQRS7455TBQDDEXQTQQQ4/bundle.json","state_url":"https://pith.science/pith/APGQSXQRS7455TBQDDEXQTQQQ4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/APGQSXQRS7455TBQDDEXQTQQQ4/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":"2026-08-12T03:17:33Z","links":{"resolver":"https://pith.science/pith/APGQSXQRS7455TBQDDEXQTQQQ4","bundle":"https://pith.science/pith/APGQSXQRS7455TBQDDEXQTQQQ4/bundle.json","state":"https://pith.science/pith/APGQSXQRS7455TBQDDEXQTQQQ4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/APGQSXQRS7455TBQDDEXQTQQQ4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:APGQSXQRS7455TBQDDEXQTQQQ4","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":"0e59921cbca3599dbb3c20a11bb751f6cbca4c6a2ff26973cc59bfb2fc596b58","cross_cats_sorted":["hep-th"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"hep-ph","submitted_at":"2021-08-27T15:20:40Z","title_canon_sha256":"5513d688e8f1eba3bb07ab491952d12cbe70934c8deecb1476c6cc2227e54129"},"schema_version":"1.0","source":{"id":"2108.12345","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.12345","created_at":"2026-07-05T03:34:33Z"},{"alias_kind":"arxiv_version","alias_value":"2108.12345v2","created_at":"2026-07-05T03:34:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.12345","created_at":"2026-07-05T03:34:33Z"},{"alias_kind":"pith_short_12","alias_value":"APGQSXQRS745","created_at":"2026-07-05T03:34:33Z"},{"alias_kind":"pith_short_16","alias_value":"APGQSXQRS7455TBQ","created_at":"2026-07-05T03:34:33Z"},{"alias_kind":"pith_short_8","alias_value":"APGQSXQR","created_at":"2026-07-05T03:34:33Z"}],"graph_snapshots":[{"event_id":"sha256:3a12e012f9766455061520ca2d658591bd1bdacdaac51fe5b15aa512761210e9","target":"graph","created_at":"2026-07-05T03:34:33Z","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/2108.12345/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We extend our previous calculations of the hadronic light-by-light scattering contribution to the muon anomalous magnetic moment in holographic QCD to models with finite quark masses and a tower of massive pions. Analysing the role of the latter in the Wess-Zumino-Witten action, we show that the Melnikov-Vainshtein short-distance constraint is satisfied solely by the summation of contributions from the infinite tower of axial vector meson contributions. There is also an enhancement of the asymptotic behavior of pseudoscalar contributions when their infinite tower of excitations is summed, but ","authors_text":"Anton Rebhan, Josef Leutgeb","cross_cats":["hep-th"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"hep-ph","submitted_at":"2021-08-27T15:20:40Z","title":"Hadronic light-by-light contribution to the muon $g-2$ from holographic QCD with massive pions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.12345","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":"sha256:7d8983b4bd7d67f13505bf06a97ec5fdb50a769602b71b72ed14fa03f5236148","target":"record","created_at":"2026-07-05T03:34:33Z","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":"0e59921cbca3599dbb3c20a11bb751f6cbca4c6a2ff26973cc59bfb2fc596b58","cross_cats_sorted":["hep-th"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"hep-ph","submitted_at":"2021-08-27T15:20:40Z","title_canon_sha256":"5513d688e8f1eba3bb07ab491952d12cbe70934c8deecb1476c6cc2227e54129"},"schema_version":"1.0","source":{"id":"2108.12345","kind":"arxiv","version":2}},"canonical_sha256":"03cd095e1197f9decc3018c9784e10873bf0c75bb0f82b84476183960fee9556","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"03cd095e1197f9decc3018c9784e10873bf0c75bb0f82b84476183960fee9556","first_computed_at":"2026-07-05T03:34:33.859754Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:34:33.859754Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"53SPEyE/gtRA+kGZO57PyBbH7tmtfuXdySaDZlhlV/I3MYMmhXWKLI6Fy1OWawUZVVi6r4ZQqeCo3mBw7PGNAg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:34:33.860176Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.12345","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7d8983b4bd7d67f13505bf06a97ec5fdb50a769602b71b72ed14fa03f5236148","sha256:3a12e012f9766455061520ca2d658591bd1bdacdaac51fe5b15aa512761210e9"],"state_sha256":"4693635a1e98a6283529ce88862ebbea8b2df9ff3fa79226d06bad965254c6cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tSOfsuG3uqn7Bp1Ai3VXCS8RpoYJbUicW00q9ZzsBpRKEOpdxJmdlfw3BF0LrlASFxYPdlwKU4LoWXELqTRlDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T03:17:33.764450Z","bundle_sha256":"a8549df3dc76fb0e9cfe8f7784156004ba291d96b5061d87d7001f8e70778864"}}