{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:7B77MFOVI44ABDHYSQG45Z5SJY","short_pith_number":"pith:7B77MFOV","canonical_record":{"source":{"id":"2409.11568","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2024-09-17T21:46:13Z","cross_cats_sorted":["hep-ex","hep-lat","nucl-ex","nucl-th"],"title_canon_sha256":"35ca760bb999217b1e5b81dab47a7433012cf24141c136d4a4783bd7368b47f0","abstract_canon_sha256":"51bfb46ac990b7bbd921e7783d95c912bd4fe3d3bef5573eda8af3203bc08e04"},"schema_version":"1.0"},"canonical_sha256":"f87ff615d54738008cf8940dcee7b24e1f0b4f4e3e00ddabf2e41b27b15e0444","source":{"kind":"arxiv","id":"2409.11568","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.11568","created_at":"2026-07-05T09:10:04Z"},{"alias_kind":"arxiv_version","alias_value":"2409.11568v2","created_at":"2026-07-05T09:10:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.11568","created_at":"2026-07-05T09:10:04Z"},{"alias_kind":"pith_short_12","alias_value":"7B77MFOVI44A","created_at":"2026-07-05T09:10:04Z"},{"alias_kind":"pith_short_16","alias_value":"7B77MFOVI44ABDHY","created_at":"2026-07-05T09:10:04Z"},{"alias_kind":"pith_short_8","alias_value":"7B77MFOV","created_at":"2026-07-05T09:10:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:7B77MFOVI44ABDHYSQG45Z5SJY","target":"record","payload":{"canonical_record":{"source":{"id":"2409.11568","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2024-09-17T21:46:13Z","cross_cats_sorted":["hep-ex","hep-lat","nucl-ex","nucl-th"],"title_canon_sha256":"35ca760bb999217b1e5b81dab47a7433012cf24141c136d4a4783bd7368b47f0","abstract_canon_sha256":"51bfb46ac990b7bbd921e7783d95c912bd4fe3d3bef5573eda8af3203bc08e04"},"schema_version":"1.0"},"canonical_sha256":"f87ff615d54738008cf8940dcee7b24e1f0b4f4e3e00ddabf2e41b27b15e0444","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:10:04.789604Z","signature_b64":"rJMYL6Apuwygy6eNPJvF6b6zUyTjKB5D+zuKj5dlNYlhegn++vmJQ1Q404FVcstV2e4XZdVXgJjsR1UowHVGAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f87ff615d54738008cf8940dcee7b24e1f0b4f4e3e00ddabf2e41b27b15e0444","last_reissued_at":"2026-07-05T09:10:04.789051Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:10:04.789051Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2409.11568","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":"2026-07-05T09:10:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SkN62JN59D2fbbp7un8eiNCcmmkzf/9h5VI6WsnUL9im0Mk7mqdli+Yk5fWcZ+6FnXkFejAQ7EJv5RutXh4pDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T12:14:58.856705Z"},"content_sha256":"b3d8b164ea03c2e451822887516997081f2c68a2b5e36df48fd07b653c01c82c","schema_version":"1.0","event_id":"sha256:b3d8b164ea03c2e451822887516997081f2c68a2b5e36df48fd07b653c01c82c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:7B77MFOVI44ABDHYSQG45Z5SJY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pion Boer-Mulders function using a contact interaction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-lat","nucl-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"Craig D. Roberts, Dan-Dan Cheng, Minghui Ding, Sebastian M. Schmidt, Zhu-Fang Cui","submitted_at":"2024-09-17T21:46:13Z","abstract_excerpt":"A symmetry preserving treatment of a vector $\\otimes$ vector contact interaction (SCI) is used as the basis for calculations of the two pion transverse momentum dependent parton distribution functions (TMDs); namely, that for unpolarised valence degrees-of-freedom and the analogous Boer-Mulders (BM) function. Amongst other things, the analysis enables the following themes to be addressed: the quark current mass dependence of pion TMDs; the impact of the gauge link model on the positivity constraint that bounds the BM function relative to the unpolarised TMD; the equivalence of direct diagramma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.11568","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/2409.11568/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":"2026-07-05T09:10:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"syJmwmpeM2mjjkWm1JFsylUha3oZkCskwRnDqRzPOKTdyEYUMLDki1CgWxwbzfBS/V5DH1lkiLd6lc1gZMJKAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T12:14:58.857415Z"},"content_sha256":"c57a6570297b1b7f615d559531dca371c8efa8173b9472cadd8c3d3389371dde","schema_version":"1.0","event_id":"sha256:c57a6570297b1b7f615d559531dca371c8efa8173b9472cadd8c3d3389371dde"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7B77MFOVI44ABDHYSQG45Z5SJY/bundle.json","state_url":"https://pith.science/pith/7B77MFOVI44ABDHYSQG45Z5SJY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7B77MFOVI44ABDHYSQG45Z5SJY/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":"2026-08-07T12:14:58Z","links":{"resolver":"https://pith.science/pith/7B77MFOVI44ABDHYSQG45Z5SJY","bundle":"https://pith.science/pith/7B77MFOVI44ABDHYSQG45Z5SJY/bundle.json","state":"https://pith.science/pith/7B77MFOVI44ABDHYSQG45Z5SJY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7B77MFOVI44ABDHYSQG45Z5SJY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:7B77MFOVI44ABDHYSQG45Z5SJY","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":"51bfb46ac990b7bbd921e7783d95c912bd4fe3d3bef5573eda8af3203bc08e04","cross_cats_sorted":["hep-ex","hep-lat","nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2024-09-17T21:46:13Z","title_canon_sha256":"35ca760bb999217b1e5b81dab47a7433012cf24141c136d4a4783bd7368b47f0"},"schema_version":"1.0","source":{"id":"2409.11568","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.11568","created_at":"2026-07-05T09:10:04Z"},{"alias_kind":"arxiv_version","alias_value":"2409.11568v2","created_at":"2026-07-05T09:10:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.11568","created_at":"2026-07-05T09:10:04Z"},{"alias_kind":"pith_short_12","alias_value":"7B77MFOVI44A","created_at":"2026-07-05T09:10:04Z"},{"alias_kind":"pith_short_16","alias_value":"7B77MFOVI44ABDHY","created_at":"2026-07-05T09:10:04Z"},{"alias_kind":"pith_short_8","alias_value":"7B77MFOV","created_at":"2026-07-05T09:10:04Z"}],"graph_snapshots":[{"event_id":"sha256:c57a6570297b1b7f615d559531dca371c8efa8173b9472cadd8c3d3389371dde","target":"graph","created_at":"2026-07-05T09:10:04Z","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/2409.11568/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A symmetry preserving treatment of a vector $\\otimes$ vector contact interaction (SCI) is used as the basis for calculations of the two pion transverse momentum dependent parton distribution functions (TMDs); namely, that for unpolarised valence degrees-of-freedom and the analogous Boer-Mulders (BM) function. Amongst other things, the analysis enables the following themes to be addressed: the quark current mass dependence of pion TMDs; the impact of the gauge link model on the positivity constraint that bounds the BM function relative to the unpolarised TMD; the equivalence of direct diagramma","authors_text":"Craig D. Roberts, Dan-Dan Cheng, Minghui Ding, Sebastian M. Schmidt, Zhu-Fang Cui","cross_cats":["hep-ex","hep-lat","nucl-ex","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2024-09-17T21:46:13Z","title":"Pion Boer-Mulders function using a contact interaction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.11568","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:b3d8b164ea03c2e451822887516997081f2c68a2b5e36df48fd07b653c01c82c","target":"record","created_at":"2026-07-05T09:10:04Z","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":"51bfb46ac990b7bbd921e7783d95c912bd4fe3d3bef5573eda8af3203bc08e04","cross_cats_sorted":["hep-ex","hep-lat","nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2024-09-17T21:46:13Z","title_canon_sha256":"35ca760bb999217b1e5b81dab47a7433012cf24141c136d4a4783bd7368b47f0"},"schema_version":"1.0","source":{"id":"2409.11568","kind":"arxiv","version":2}},"canonical_sha256":"f87ff615d54738008cf8940dcee7b24e1f0b4f4e3e00ddabf2e41b27b15e0444","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f87ff615d54738008cf8940dcee7b24e1f0b4f4e3e00ddabf2e41b27b15e0444","first_computed_at":"2026-07-05T09:10:04.789051Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:10:04.789051Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rJMYL6Apuwygy6eNPJvF6b6zUyTjKB5D+zuKj5dlNYlhegn++vmJQ1Q404FVcstV2e4XZdVXgJjsR1UowHVGAg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:10:04.789604Z","signed_message":"canonical_sha256_bytes"},"source_id":"2409.11568","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3d8b164ea03c2e451822887516997081f2c68a2b5e36df48fd07b653c01c82c","sha256:c57a6570297b1b7f615d559531dca371c8efa8173b9472cadd8c3d3389371dde"],"state_sha256":"40cb89c05c8069d0f22cf54b43693ec708ad27f20d523a83763f1db537a4e176"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3pP8KcR0/QRZS1tT4zSS0fHSCU9wr/frZhpjcDyQ5Ur4chJ1+euo2NPheHoavQfOSES0eBom1qsEeOQJ+yKEBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T12:14:58.865578Z","bundle_sha256":"297c28714e4a709792048fae16128ef05c6eb5758e1e92497cb9fb2ff42525fd"}}