{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:6EN3QXRSQAZ5WO2NRQK3UQGCN5","short_pith_number":"pith:6EN3QXRS","canonical_record":{"source":{"id":"1509.07554","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-24T22:27:14Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"bac77eabd106bfab4f7292079f323cbed850116fbf4658ac1132f075a2deeb54","abstract_canon_sha256":"fdd55a7154bcaa0c10a88f6b99b8b01fd91dcc59ee7f2a06ca5e6e7db0991ad9"},"schema_version":"1.0"},"canonical_sha256":"f11bb85e328033db3b4d8c15ba40c26f4d732f33e6c5ac6fdd13a7b9878923c3","source":{"kind":"arxiv","id":"1509.07554","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.07554","created_at":"2026-05-18T01:32:02Z"},{"alias_kind":"arxiv_version","alias_value":"1509.07554v1","created_at":"2026-05-18T01:32:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.07554","created_at":"2026-05-18T01:32:02Z"},{"alias_kind":"pith_short_12","alias_value":"6EN3QXRSQAZ5","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"6EN3QXRSQAZ5WO2N","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"6EN3QXRS","created_at":"2026-05-18T12:29:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:6EN3QXRSQAZ5WO2NRQK3UQGCN5","target":"record","payload":{"canonical_record":{"source":{"id":"1509.07554","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-24T22:27:14Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"bac77eabd106bfab4f7292079f323cbed850116fbf4658ac1132f075a2deeb54","abstract_canon_sha256":"fdd55a7154bcaa0c10a88f6b99b8b01fd91dcc59ee7f2a06ca5e6e7db0991ad9"},"schema_version":"1.0"},"canonical_sha256":"f11bb85e328033db3b4d8c15ba40c26f4d732f33e6c5ac6fdd13a7b9878923c3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:02.481910Z","signature_b64":"+49JLzN49iZSrVupt5ZgGrkjZcQjM3FuL8nSplbTIFIlwYOD4FL7wSKMLiRs8oFNBOqkGql/pZFSc1nVezbODg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f11bb85e328033db3b4d8c15ba40c26f4d732f33e6c5ac6fdd13a7b9878923c3","last_reissued_at":"2026-05-18T01:32:02.481485Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:02.481485Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.07554","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":"2026-05-18T01:32:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HUX4U079TcvmL4U7kK+puwHrpKB0a8AcaQtcVgMzmYtJxmAfEoNm8yQcxO+HVPC9orkdvBGj3Mmvm5HH0JVhBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T05:37:30.970498Z"},"content_sha256":"7ccacd6e1848334d5ab7c8556eb1680765640c1c13d408bf9557c8b522d956e9","schema_version":"1.0","event_id":"sha256:7ccacd6e1848334d5ab7c8556eb1680765640c1c13d408bf9557c8b522d956e9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:6EN3QXRSQAZ5WO2NRQK3UQGCN5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Collinear Twist-3 Approach to Transverse Single-Spin Asymmetry in Proton-Proton Collision","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Andreas Metz, Daniel Pitonyak, Koichi Kanazawa, Yuji Koike","submitted_at":"2015-09-24T22:27:14Z","abstract_excerpt":"We present our recent analysis on the transverse single-spin asymmetry (SSA) in inclusive pion and direct-photon production in pp collisions for RHIC kinematics. The analysis includes the contributions from twist-3 quark-gluon-quark correlations in the proton and twist-3 fragmentation effects for the pion. Some of the functions appearing in the formula for the SSA, such as the soft-gluon-pole Qiu-Sterman function, the nucleon transversity, and the Collins function were fixed consistently with the SSA data in semi-inclusive DIS and in e+e- annihilation, so that our analysis is free from the sig"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.07554","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":"2026-05-18T01:32:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OyiOsx30Piz7N+0TO3D6Y8BAt0e3IDVp7ab6UX1iAFvpENPJSnuPGq1MT5NY8yfoXLjuKn0xnZ5nsRVQgj+3Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T05:37:30.971141Z"},"content_sha256":"b297fd2fc1d79a00b86a43e381ab84f0db8fee849a5c489529080203b70ed96f","schema_version":"1.0","event_id":"sha256:b297fd2fc1d79a00b86a43e381ab84f0db8fee849a5c489529080203b70ed96f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6EN3QXRSQAZ5WO2NRQK3UQGCN5/bundle.json","state_url":"https://pith.science/pith/6EN3QXRSQAZ5WO2NRQK3UQGCN5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6EN3QXRSQAZ5WO2NRQK3UQGCN5/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":"2026-05-19T05:37:30Z","links":{"resolver":"https://pith.science/pith/6EN3QXRSQAZ5WO2NRQK3UQGCN5","bundle":"https://pith.science/pith/6EN3QXRSQAZ5WO2NRQK3UQGCN5/bundle.json","state":"https://pith.science/pith/6EN3QXRSQAZ5WO2NRQK3UQGCN5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6EN3QXRSQAZ5WO2NRQK3UQGCN5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:6EN3QXRSQAZ5WO2NRQK3UQGCN5","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":"fdd55a7154bcaa0c10a88f6b99b8b01fd91dcc59ee7f2a06ca5e6e7db0991ad9","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-24T22:27:14Z","title_canon_sha256":"bac77eabd106bfab4f7292079f323cbed850116fbf4658ac1132f075a2deeb54"},"schema_version":"1.0","source":{"id":"1509.07554","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.07554","created_at":"2026-05-18T01:32:02Z"},{"alias_kind":"arxiv_version","alias_value":"1509.07554v1","created_at":"2026-05-18T01:32:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.07554","created_at":"2026-05-18T01:32:02Z"},{"alias_kind":"pith_short_12","alias_value":"6EN3QXRSQAZ5","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"6EN3QXRSQAZ5WO2N","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"6EN3QXRS","created_at":"2026-05-18T12:29:07Z"}],"graph_snapshots":[{"event_id":"sha256:b297fd2fc1d79a00b86a43e381ab84f0db8fee849a5c489529080203b70ed96f","target":"graph","created_at":"2026-05-18T01:32:02Z","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 present our recent analysis on the transverse single-spin asymmetry (SSA) in inclusive pion and direct-photon production in pp collisions for RHIC kinematics. The analysis includes the contributions from twist-3 quark-gluon-quark correlations in the proton and twist-3 fragmentation effects for the pion. Some of the functions appearing in the formula for the SSA, such as the soft-gluon-pole Qiu-Sterman function, the nucleon transversity, and the Collins function were fixed consistently with the SSA data in semi-inclusive DIS and in e+e- annihilation, so that our analysis is free from the sig","authors_text":"Andreas Metz, Daniel Pitonyak, Koichi Kanazawa, Yuji Koike","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-24T22:27:14Z","title":"Collinear Twist-3 Approach to Transverse Single-Spin Asymmetry in Proton-Proton Collision"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.07554","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":"sha256:7ccacd6e1848334d5ab7c8556eb1680765640c1c13d408bf9557c8b522d956e9","target":"record","created_at":"2026-05-18T01:32:02Z","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":"fdd55a7154bcaa0c10a88f6b99b8b01fd91dcc59ee7f2a06ca5e6e7db0991ad9","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-09-24T22:27:14Z","title_canon_sha256":"bac77eabd106bfab4f7292079f323cbed850116fbf4658ac1132f075a2deeb54"},"schema_version":"1.0","source":{"id":"1509.07554","kind":"arxiv","version":1}},"canonical_sha256":"f11bb85e328033db3b4d8c15ba40c26f4d732f33e6c5ac6fdd13a7b9878923c3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f11bb85e328033db3b4d8c15ba40c26f4d732f33e6c5ac6fdd13a7b9878923c3","first_computed_at":"2026-05-18T01:32:02.481485Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:32:02.481485Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+49JLzN49iZSrVupt5ZgGrkjZcQjM3FuL8nSplbTIFIlwYOD4FL7wSKMLiRs8oFNBOqkGql/pZFSc1nVezbODg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:32:02.481910Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.07554","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ccacd6e1848334d5ab7c8556eb1680765640c1c13d408bf9557c8b522d956e9","sha256:b297fd2fc1d79a00b86a43e381ab84f0db8fee849a5c489529080203b70ed96f"],"state_sha256":"14aa1ea82ca8fc3884c83b374922511d3d93426de6b2e5617253ae45faca9b12"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FkWN/laOrx4asdpKoL/crRNmfAbQxasYaLKEGVydwu7nYYR3UCCGPHckFV5zJ9Vm/6Bz0Pf4n5V7O0g42VosBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T05:37:30.973182Z","bundle_sha256":"1de7c95a7726da63649c0677064df0ab41e3f1880ed89ed9309252c19b0ede93"}}