{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:UGOXBWVZRQ2U5DUSSNWYOHOHL5","short_pith_number":"pith:UGOXBWVZ","canonical_record":{"source":{"id":"1907.02366","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-07-04T12:32:36Z","cross_cats_sorted":[],"title_canon_sha256":"9e343be44ae7d5fac9cc28b9cc3a6c7d838096599232abc32bcd1d5c661a5fe0","abstract_canon_sha256":"406d690406f620f73c9a0b94255b7990c5526808a0f683df5230da5e47c6bda6"},"schema_version":"1.0"},"canonical_sha256":"a19d70dab98c354e8e92936d871dc75f522f9871a2cb80e17a88d5d1716636d3","source":{"kind":"arxiv","id":"1907.02366","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.02366","created_at":"2026-07-05T00:06:48Z"},{"alias_kind":"arxiv_version","alias_value":"1907.02366v2","created_at":"2026-07-05T00:06:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.02366","created_at":"2026-07-05T00:06:48Z"},{"alias_kind":"pith_short_12","alias_value":"UGOXBWVZRQ2U","created_at":"2026-07-05T00:06:48Z"},{"alias_kind":"pith_short_16","alias_value":"UGOXBWVZRQ2U5DUS","created_at":"2026-07-05T00:06:48Z"},{"alias_kind":"pith_short_8","alias_value":"UGOXBWVZ","created_at":"2026-07-05T00:06:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:UGOXBWVZRQ2U5DUSSNWYOHOHL5","target":"record","payload":{"canonical_record":{"source":{"id":"1907.02366","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-07-04T12:32:36Z","cross_cats_sorted":[],"title_canon_sha256":"9e343be44ae7d5fac9cc28b9cc3a6c7d838096599232abc32bcd1d5c661a5fe0","abstract_canon_sha256":"406d690406f620f73c9a0b94255b7990c5526808a0f683df5230da5e47c6bda6"},"schema_version":"1.0"},"canonical_sha256":"a19d70dab98c354e8e92936d871dc75f522f9871a2cb80e17a88d5d1716636d3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:06:48.319287Z","signature_b64":"dVrqKEQFyTkFIMLeNF3oI1Mpx8wspB5N+CkAhCrxcWoFPUd04OwUK6WyoOM+KOrjfSmGHCaPmyS1SgSbswwDAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a19d70dab98c354e8e92936d871dc75f522f9871a2cb80e17a88d5d1716636d3","last_reissued_at":"2026-07-05T00:06:48.318818Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:06:48.318818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.02366","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":"2026-07-05T00:06:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cGHnlF7Jph86eUUJddReiiKuBBzhCyizmygvdc4fp7uWfnJu4An1njA1/gFyK21zXr12qpn2xxb6AcOvJudkCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T20:09:16.059084Z"},"content_sha256":"832d5d785f44255000db148d8167c897ff227c373567885709a850b49467cf68","schema_version":"1.0","event_id":"sha256:832d5d785f44255000db148d8167c897ff227c373567885709a850b49467cf68"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:UGOXBWVZRQ2U5DUSSNWYOHOHL5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low-virtuality photon transitions $\\gamma^*\\to f\\bar f$ and the photon-to-jet conversion function","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Ansgar Denner, Christopher Schwan, Mathieu Pellen, Stefan Dittmaier","submitted_at":"2019-07-04T12:32:36Z","abstract_excerpt":"The calculation of electroweak corrections to processes with jets in the final state involves contributions of low-virtuality photons leading to jets in the final state via the singular splitting $\\gamma^* \\to q\\bar q$. These singularities can be absorbed into a photon-to-jet \"fragmentation function\", better called \"conversion function\", since the physical final state is any hadronic activity rather than an identified hadron. Using unitarity and a dispersion relation, we relate this $\\gamma^* \\to q\\bar q$ conversion contribution to an integral over the imaginary part of the hadronic vacuum pol"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.02366","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/1907.02366/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":"2026-07-05T00:06:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IS4ZQ/K2yu3VjYa08lhxX1WlbLZJxGIcP8zSqVFTrMvb7T+PgoBvfF8XTVS9Z8B73Wtux8pvckKPYcNu5N1fCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T20:09:16.059725Z"},"content_sha256":"f6ffe290bdb78e0d6e5085e99a7044e921d953becfaece0c6bf8094ac7009afe","schema_version":"1.0","event_id":"sha256:f6ffe290bdb78e0d6e5085e99a7044e921d953becfaece0c6bf8094ac7009afe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UGOXBWVZRQ2U5DUSSNWYOHOHL5/bundle.json","state_url":"https://pith.science/pith/UGOXBWVZRQ2U5DUSSNWYOHOHL5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UGOXBWVZRQ2U5DUSSNWYOHOHL5/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":"2026-08-16T20:09:16Z","links":{"resolver":"https://pith.science/pith/UGOXBWVZRQ2U5DUSSNWYOHOHL5","bundle":"https://pith.science/pith/UGOXBWVZRQ2U5DUSSNWYOHOHL5/bundle.json","state":"https://pith.science/pith/UGOXBWVZRQ2U5DUSSNWYOHOHL5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UGOXBWVZRQ2U5DUSSNWYOHOHL5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:UGOXBWVZRQ2U5DUSSNWYOHOHL5","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":"406d690406f620f73c9a0b94255b7990c5526808a0f683df5230da5e47c6bda6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-07-04T12:32:36Z","title_canon_sha256":"9e343be44ae7d5fac9cc28b9cc3a6c7d838096599232abc32bcd1d5c661a5fe0"},"schema_version":"1.0","source":{"id":"1907.02366","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.02366","created_at":"2026-07-05T00:06:48Z"},{"alias_kind":"arxiv_version","alias_value":"1907.02366v2","created_at":"2026-07-05T00:06:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.02366","created_at":"2026-07-05T00:06:48Z"},{"alias_kind":"pith_short_12","alias_value":"UGOXBWVZRQ2U","created_at":"2026-07-05T00:06:48Z"},{"alias_kind":"pith_short_16","alias_value":"UGOXBWVZRQ2U5DUS","created_at":"2026-07-05T00:06:48Z"},{"alias_kind":"pith_short_8","alias_value":"UGOXBWVZ","created_at":"2026-07-05T00:06:48Z"}],"graph_snapshots":[{"event_id":"sha256:f6ffe290bdb78e0d6e5085e99a7044e921d953becfaece0c6bf8094ac7009afe","target":"graph","created_at":"2026-07-05T00:06:48Z","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/1907.02366/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The calculation of electroweak corrections to processes with jets in the final state involves contributions of low-virtuality photons leading to jets in the final state via the singular splitting $\\gamma^* \\to q\\bar q$. These singularities can be absorbed into a photon-to-jet \"fragmentation function\", better called \"conversion function\", since the physical final state is any hadronic activity rather than an identified hadron. Using unitarity and a dispersion relation, we relate this $\\gamma^* \\to q\\bar q$ conversion contribution to an integral over the imaginary part of the hadronic vacuum pol","authors_text":"Ansgar Denner, Christopher Schwan, Mathieu Pellen, Stefan Dittmaier","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-07-04T12:32:36Z","title":"Low-virtuality photon transitions $\\gamma^*\\to f\\bar f$ and the photon-to-jet conversion function"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.02366","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":"sha256:832d5d785f44255000db148d8167c897ff227c373567885709a850b49467cf68","target":"record","created_at":"2026-07-05T00:06:48Z","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":"406d690406f620f73c9a0b94255b7990c5526808a0f683df5230da5e47c6bda6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-07-04T12:32:36Z","title_canon_sha256":"9e343be44ae7d5fac9cc28b9cc3a6c7d838096599232abc32bcd1d5c661a5fe0"},"schema_version":"1.0","source":{"id":"1907.02366","kind":"arxiv","version":2}},"canonical_sha256":"a19d70dab98c354e8e92936d871dc75f522f9871a2cb80e17a88d5d1716636d3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a19d70dab98c354e8e92936d871dc75f522f9871a2cb80e17a88d5d1716636d3","first_computed_at":"2026-07-05T00:06:48.318818Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:06:48.318818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dVrqKEQFyTkFIMLeNF3oI1Mpx8wspB5N+CkAhCrxcWoFPUd04OwUK6WyoOM+KOrjfSmGHCaPmyS1SgSbswwDAA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:06:48.319287Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.02366","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:832d5d785f44255000db148d8167c897ff227c373567885709a850b49467cf68","sha256:f6ffe290bdb78e0d6e5085e99a7044e921d953becfaece0c6bf8094ac7009afe"],"state_sha256":"3ef3064c644ff7f2746199f5229e1d919aa8e05915eff7d92a7a7f7a2b355a96"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+JHhpp/xDXM3Ww5/o6CENeK/v30nqk1oXS4N66Zr4znFp8bQwbWHfL3kB7gelU/tSnny7J/ts8FXqpFlYiTpAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T20:09:16.066449Z","bundle_sha256":"10d0a154f48d4a610efc807ae3e314361ea4d3b6dd4b93b1446aa160a8079c49"}}