{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:WGKJRWASSRLPAFGAZK5MMRMN2Q","short_pith_number":"pith:WGKJRWAS","canonical_record":{"source":{"id":"1611.08457","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-11-25T14:02:13Z","cross_cats_sorted":[],"title_canon_sha256":"bc9a9766e0fa12cc4604e0b873033b6d98cbc8977bc35d2b99a0cee33057ec30","abstract_canon_sha256":"00bbe9a6dde2d96c4956de28ee9e1f3fb4eba2d0e6e705a37a87a196c9cf8c3f"},"schema_version":"1.0"},"canonical_sha256":"b19498d8129456f014c0cabac6458dd430e322929b2ce5aefaadcc866c2cfdfc","source":{"kind":"arxiv","id":"1611.08457","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.08457","created_at":"2026-05-18T00:48:43Z"},{"alias_kind":"arxiv_version","alias_value":"1611.08457v1","created_at":"2026-05-18T00:48:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.08457","created_at":"2026-05-18T00:48:43Z"},{"alias_kind":"pith_short_12","alias_value":"WGKJRWASSRLP","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"WGKJRWASSRLPAFGA","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"WGKJRWAS","created_at":"2026-05-18T12:30:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:WGKJRWASSRLPAFGAZK5MMRMN2Q","target":"record","payload":{"canonical_record":{"source":{"id":"1611.08457","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-11-25T14:02:13Z","cross_cats_sorted":[],"title_canon_sha256":"bc9a9766e0fa12cc4604e0b873033b6d98cbc8977bc35d2b99a0cee33057ec30","abstract_canon_sha256":"00bbe9a6dde2d96c4956de28ee9e1f3fb4eba2d0e6e705a37a87a196c9cf8c3f"},"schema_version":"1.0"},"canonical_sha256":"b19498d8129456f014c0cabac6458dd430e322929b2ce5aefaadcc866c2cfdfc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:43.831616Z","signature_b64":"ka73uh838mzWp9rS2/rUOpao/4cjtCQp6KnMdJwIkbwvV0nz4/mONptU+++L/fYRmPgJNtP9Bs0hVePqfeKiDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b19498d8129456f014c0cabac6458dd430e322929b2ce5aefaadcc866c2cfdfc","last_reissued_at":"2026-05-18T00:48:43.830920Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:43.830920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1611.08457","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:48:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1vhq4XwUeHAo67u9f6WQGPXWsQ81vZFZiVHwwj7JdI8z10JVQae/FH/fP3GXerWtjVWaMP+kvNOUlkFHLjlGBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T09:04:21.960737Z"},"content_sha256":"2c0d1b6f33da7692b59f7f349d45090c95c7eff4012a7aa71982f9b780d8677f","schema_version":"1.0","event_id":"sha256:2c0d1b6f33da7692b59f7f349d45090c95c7eff4012a7aa71982f9b780d8677f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:WGKJRWASSRLPAFGAZK5MMRMN2Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$\\eta$-$\\gamma$ and $\\eta'$-$\\gamma$ transition form factors in a nonlocal NJL model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"D. Gomez Dumm, N.N. Scoccola, S. Noguera","submitted_at":"2016-11-25T14:02:13Z","abstract_excerpt":"We study the $\\eta$ and $\\eta'$ distribution amplitudes (DAs) in the context of a nonlocal SU(3)_L x SU(3)_R chiral quark model. The corresponding Lagrangian allows to reproduce the phenomenological values of pseudoscalar meson masses and decay constants, as well as the momentum dependence of the quark propagator arising from lattice calculations. It is found that the obtained DAs have two symmetric maxima, which arise from new contributions generated by the nonlocal character of the interactions. These DAs are then applied to the calculation of the $\\eta$-$\\gamma$ and $\\eta'$-$\\gamma$ transit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.08457","kind":"arxiv","version":1},"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":"2026-05-18T00:48:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CNzbGgbnySUZLAHwr4mKyGxEU3JkQEiTmK+paXxyBxPOvBhuZy0OzvFIDnWefI8UBkesRS5c9NCyWgsINa8AAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T09:04:21.961290Z"},"content_sha256":"cc613b53468ad77605a21452be6b7ccb18ef01bd07bcca7bd5d37b459d7d3664","schema_version":"1.0","event_id":"sha256:cc613b53468ad77605a21452be6b7ccb18ef01bd07bcca7bd5d37b459d7d3664"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WGKJRWASSRLPAFGAZK5MMRMN2Q/bundle.json","state_url":"https://pith.science/pith/WGKJRWASSRLPAFGAZK5MMRMN2Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WGKJRWASSRLPAFGAZK5MMRMN2Q/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":"2026-06-07T09:04:21Z","links":{"resolver":"https://pith.science/pith/WGKJRWASSRLPAFGAZK5MMRMN2Q","bundle":"https://pith.science/pith/WGKJRWASSRLPAFGAZK5MMRMN2Q/bundle.json","state":"https://pith.science/pith/WGKJRWASSRLPAFGAZK5MMRMN2Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WGKJRWASSRLPAFGAZK5MMRMN2Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:WGKJRWASSRLPAFGAZK5MMRMN2Q","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":"00bbe9a6dde2d96c4956de28ee9e1f3fb4eba2d0e6e705a37a87a196c9cf8c3f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-11-25T14:02:13Z","title_canon_sha256":"bc9a9766e0fa12cc4604e0b873033b6d98cbc8977bc35d2b99a0cee33057ec30"},"schema_version":"1.0","source":{"id":"1611.08457","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.08457","created_at":"2026-05-18T00:48:43Z"},{"alias_kind":"arxiv_version","alias_value":"1611.08457v1","created_at":"2026-05-18T00:48:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.08457","created_at":"2026-05-18T00:48:43Z"},{"alias_kind":"pith_short_12","alias_value":"WGKJRWASSRLP","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"WGKJRWASSRLPAFGA","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"WGKJRWAS","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:cc613b53468ad77605a21452be6b7ccb18ef01bd07bcca7bd5d37b459d7d3664","target":"graph","created_at":"2026-05-18T00:48:43Z","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 the $\\eta$ and $\\eta'$ distribution amplitudes (DAs) in the context of a nonlocal SU(3)_L x SU(3)_R chiral quark model. The corresponding Lagrangian allows to reproduce the phenomenological values of pseudoscalar meson masses and decay constants, as well as the momentum dependence of the quark propagator arising from lattice calculations. It is found that the obtained DAs have two symmetric maxima, which arise from new contributions generated by the nonlocal character of the interactions. These DAs are then applied to the calculation of the $\\eta$-$\\gamma$ and $\\eta'$-$\\gamma$ transit","authors_text":"D. Gomez Dumm, N.N. Scoccola, S. Noguera","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-11-25T14:02:13Z","title":"$\\eta$-$\\gamma$ and $\\eta'$-$\\gamma$ transition form factors in a nonlocal NJL model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.08457","kind":"arxiv","version":1},"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":"sha256:2c0d1b6f33da7692b59f7f349d45090c95c7eff4012a7aa71982f9b780d8677f","target":"record","created_at":"2026-05-18T00:48:43Z","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":"00bbe9a6dde2d96c4956de28ee9e1f3fb4eba2d0e6e705a37a87a196c9cf8c3f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-11-25T14:02:13Z","title_canon_sha256":"bc9a9766e0fa12cc4604e0b873033b6d98cbc8977bc35d2b99a0cee33057ec30"},"schema_version":"1.0","source":{"id":"1611.08457","kind":"arxiv","version":1}},"canonical_sha256":"b19498d8129456f014c0cabac6458dd430e322929b2ce5aefaadcc866c2cfdfc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b19498d8129456f014c0cabac6458dd430e322929b2ce5aefaadcc866c2cfdfc","first_computed_at":"2026-05-18T00:48:43.830920Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:43.830920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ka73uh838mzWp9rS2/rUOpao/4cjtCQp6KnMdJwIkbwvV0nz4/mONptU+++L/fYRmPgJNtP9Bs0hVePqfeKiDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:43.831616Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.08457","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2c0d1b6f33da7692b59f7f349d45090c95c7eff4012a7aa71982f9b780d8677f","sha256:cc613b53468ad77605a21452be6b7ccb18ef01bd07bcca7bd5d37b459d7d3664"],"state_sha256":"c4df3ab12637459291129e6269ec05f13436217232c0cb76caf061760133aadc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"46dCcmBqtQ6rHY48rrh9/CLu75xyMWh4tfvH8b9/7hNbHZLwHPZYEBNl/HXnLpB5tVXZkPJ8haABBh7xfAQjAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T09:04:21.964684Z","bundle_sha256":"b900cf2208cc898b2790344cf82d01e8abcba844be315f3ea48b98208a38fce4"}}