{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:YG5TA6U4AI7I5VEWDES4GG63FM","short_pith_number":"pith:YG5TA6U4","canonical_record":{"source":{"id":"hep-ph/0409174","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2004-09-15T10:20:17Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"5a12d3b2cb15f1130d01c4716257b4dc61df1566bf97642372a559e9d97a108e","abstract_canon_sha256":"356d791f9e88ad575f94649ed7d937661c72da8894b7e743a1ecb41af303a72f"},"schema_version":"1.0"},"canonical_sha256":"c1bb307a9c023e8ed4961925c31bdb2b08507023caf14b31afe9c49318d6cbe1","source":{"kind":"arxiv","id":"hep-ph/0409174","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0409174","created_at":"2026-05-18T01:06:11Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0409174v2","created_at":"2026-05-18T01:06:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0409174","created_at":"2026-05-18T01:06:11Z"},{"alias_kind":"pith_short_12","alias_value":"YG5TA6U4AI7I","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"YG5TA6U4AI7I5VEW","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"YG5TA6U4","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:YG5TA6U4AI7I5VEWDES4GG63FM","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0409174","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2004-09-15T10:20:17Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"5a12d3b2cb15f1130d01c4716257b4dc61df1566bf97642372a559e9d97a108e","abstract_canon_sha256":"356d791f9e88ad575f94649ed7d937661c72da8894b7e743a1ecb41af303a72f"},"schema_version":"1.0"},"canonical_sha256":"c1bb307a9c023e8ed4961925c31bdb2b08507023caf14b31afe9c49318d6cbe1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:11.170824Z","signature_b64":"nij9C4A0AF4wgr55ONnX07s5yhC8AgHnCd7kBYhBc5mLAbENEt3qXcdprX4zM3jCOUnXBOaFd47138Sx66FHDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c1bb307a9c023e8ed4961925c31bdb2b08507023caf14b31afe9c49318d6cbe1","last_reissued_at":"2026-05-18T01:06:11.170117Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:11.170117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0409174","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":"2026-05-18T01:06:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"abvqq/Q5zRQ5EYom7Piag3nLHacBwmxCuCpoCsMg6dAlhJrWenZ0DZGPPQFou1jV4azUzx3ZYxuSfeVxDgrfDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T17:48:27.189163Z"},"content_sha256":"5f3fbdc36d8502ebe89bdbaa034759df59b827e00953ffa146ae453edab24d02","schema_version":"1.0","event_id":"sha256:5f3fbdc36d8502ebe89bdbaa034759df59b827e00953ffa146ae453edab24d02"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:YG5TA6U4AI7I5VEWDES4GG63FM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dihadron interference fragmentation functions in proton-proton collisions","license":"","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Alessandro Bacchetta (Regensburg U.), Marco Radici (Pavia U.)","submitted_at":"2004-09-15T10:20:17Z","abstract_excerpt":"We study the production of hadron pairs in proton-proton collisions, selecting pairs with large total transverse momentum with respect to the beam, and small relative transverse momentum, i.e., belonging to a single jet with large transverse momentum. We describe the process in terms of dihadron fragmentation functions. We consider the production of one pair in polarized collisions (with one transversely polarized proton) and the production of two pairs in unpolarized collisions. In the first case, we discuss how to observe the quark transversity distribution in connection with a specific clas"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0409174","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":""},"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":"2026-05-18T01:06:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DSQijsVn+OzEtJuejwJ24kBwocb6Byr/+CO/XkmtdQaD02a4GT0VDDv7FS7sU2tCtNahtiZZ5ch+RYWpKEeMBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T17:48:27.189975Z"},"content_sha256":"34f63c9f673c23471fd3b9f558dffd116d8d4968e8dcbf03f863b1f52c6cb5da","schema_version":"1.0","event_id":"sha256:34f63c9f673c23471fd3b9f558dffd116d8d4968e8dcbf03f863b1f52c6cb5da"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YG5TA6U4AI7I5VEWDES4GG63FM/bundle.json","state_url":"https://pith.science/pith/YG5TA6U4AI7I5VEWDES4GG63FM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YG5TA6U4AI7I5VEWDES4GG63FM/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":"2026-08-12T17:48:27Z","links":{"resolver":"https://pith.science/pith/YG5TA6U4AI7I5VEWDES4GG63FM","bundle":"https://pith.science/pith/YG5TA6U4AI7I5VEWDES4GG63FM/bundle.json","state":"https://pith.science/pith/YG5TA6U4AI7I5VEWDES4GG63FM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YG5TA6U4AI7I5VEWDES4GG63FM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:YG5TA6U4AI7I5VEWDES4GG63FM","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":"356d791f9e88ad575f94649ed7d937661c72da8894b7e743a1ecb41af303a72f","cross_cats_sorted":["hep-ex"],"license":"","primary_cat":"hep-ph","submitted_at":"2004-09-15T10:20:17Z","title_canon_sha256":"5a12d3b2cb15f1130d01c4716257b4dc61df1566bf97642372a559e9d97a108e"},"schema_version":"1.0","source":{"id":"hep-ph/0409174","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0409174","created_at":"2026-05-18T01:06:11Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0409174v2","created_at":"2026-05-18T01:06:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0409174","created_at":"2026-05-18T01:06:11Z"},{"alias_kind":"pith_short_12","alias_value":"YG5TA6U4AI7I","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"YG5TA6U4AI7I5VEW","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"YG5TA6U4","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:34f63c9f673c23471fd3b9f558dffd116d8d4968e8dcbf03f863b1f52c6cb5da","target":"graph","created_at":"2026-05-18T01:06:11Z","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 production of hadron pairs in proton-proton collisions, selecting pairs with large total transverse momentum with respect to the beam, and small relative transverse momentum, i.e., belonging to a single jet with large transverse momentum. We describe the process in terms of dihadron fragmentation functions. We consider the production of one pair in polarized collisions (with one transversely polarized proton) and the production of two pairs in unpolarized collisions. In the first case, we discuss how to observe the quark transversity distribution in connection with a specific clas","authors_text":"Alessandro Bacchetta (Regensburg U.), Marco Radici (Pavia U.)","cross_cats":["hep-ex"],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2004-09-15T10:20:17Z","title":"Dihadron interference fragmentation functions in proton-proton collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0409174","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":"sha256:5f3fbdc36d8502ebe89bdbaa034759df59b827e00953ffa146ae453edab24d02","target":"record","created_at":"2026-05-18T01:06:11Z","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":"356d791f9e88ad575f94649ed7d937661c72da8894b7e743a1ecb41af303a72f","cross_cats_sorted":["hep-ex"],"license":"","primary_cat":"hep-ph","submitted_at":"2004-09-15T10:20:17Z","title_canon_sha256":"5a12d3b2cb15f1130d01c4716257b4dc61df1566bf97642372a559e9d97a108e"},"schema_version":"1.0","source":{"id":"hep-ph/0409174","kind":"arxiv","version":2}},"canonical_sha256":"c1bb307a9c023e8ed4961925c31bdb2b08507023caf14b31afe9c49318d6cbe1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c1bb307a9c023e8ed4961925c31bdb2b08507023caf14b31afe9c49318d6cbe1","first_computed_at":"2026-05-18T01:06:11.170117Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:11.170117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nij9C4A0AF4wgr55ONnX07s5yhC8AgHnCd7kBYhBc5mLAbENEt3qXcdprX4zM3jCOUnXBOaFd47138Sx66FHDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:11.170824Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0409174","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5f3fbdc36d8502ebe89bdbaa034759df59b827e00953ffa146ae453edab24d02","sha256:34f63c9f673c23471fd3b9f558dffd116d8d4968e8dcbf03f863b1f52c6cb5da"],"state_sha256":"a030759d81b3d4b12b9861f34f051c0e6cf7618aa8aa1296500487fa33924d53"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D4EMRzEzU4c+yvqVJBe6qd+8efSSudcbZO+bNon9TorNu/CRT3OZZ+wPbOWOsIkbva++hqHI67w1H7nfulUSDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T17:48:27.195904Z","bundle_sha256":"790e2d81ca72db4a74f89b5fc56eda8d1a066710b5f1bd6b3dd2ed3e973ad07d"}}