{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:YTBYETK64AY3LOEYQJMJDSJDBR","short_pith_number":"pith:YTBYETK6","canonical_record":{"source":{"id":"1207.6529","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-07-27T12:43:18Z","cross_cats_sorted":[],"title_canon_sha256":"1f15a5f8b414f50e38a093bc199772ea166af6b8844de83c1612858636e455c9","abstract_canon_sha256":"7b41f0e419ba17820b2c1d7495d902bf43ac86d84f375d52323ecb8eb8518b6d"},"schema_version":"1.0"},"canonical_sha256":"c4c3824d5ee031b5b898825891c9230c5a5e293db98ed0a5825126a81786b516","source":{"kind":"arxiv","id":"1207.6529","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.6529","created_at":"2026-05-18T03:22:30Z"},{"alias_kind":"arxiv_version","alias_value":"1207.6529v1","created_at":"2026-05-18T03:22:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.6529","created_at":"2026-05-18T03:22:30Z"},{"alias_kind":"pith_short_12","alias_value":"YTBYETK64AY3","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"YTBYETK64AY3LOEY","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"YTBYETK6","created_at":"2026-05-18T12:27:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:YTBYETK64AY3LOEYQJMJDSJDBR","target":"record","payload":{"canonical_record":{"source":{"id":"1207.6529","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-07-27T12:43:18Z","cross_cats_sorted":[],"title_canon_sha256":"1f15a5f8b414f50e38a093bc199772ea166af6b8844de83c1612858636e455c9","abstract_canon_sha256":"7b41f0e419ba17820b2c1d7495d902bf43ac86d84f375d52323ecb8eb8518b6d"},"schema_version":"1.0"},"canonical_sha256":"c4c3824d5ee031b5b898825891c9230c5a5e293db98ed0a5825126a81786b516","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:22:30.777514Z","signature_b64":"U/fWSuIaxdqQl6zY3whqdItIYDotf5Z517JCn2n2Lv0sCe4dcxRJHRgLPvfasvtHW8JW2n3QrCzdz27FRI6nDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c4c3824d5ee031b5b898825891c9230c5a5e293db98ed0a5825126a81786b516","last_reissued_at":"2026-05-18T03:22:30.776819Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:22:30.776819Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.6529","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":"2026-05-18T03:22:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m5CNunjDnUch9q5nco+WArdvXuMDrrIjRBh+36jplUbhFtx5yWfRI/GCzqKrGIvUGzAoBoicFdjm68mSbwzfAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T15:23:45.290875Z"},"content_sha256":"dc15e16272a08ece5d17f794b2cd96de93ade406433e33b303dace0623457170","schema_version":"1.0","event_id":"sha256:dc15e16272a08ece5d17f794b2cd96de93ade406433e33b303dace0623457170"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:YTBYETK64AY3LOEYQJMJDSJDBR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the role of Collins effect in the single spin asymmetry A_N in p(transv. polarized) p --> h X processes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"2), (2) INFN, (3) University of Cagliari, 4), (4) INFN, (5) Imperial College, (6) ECT, (7) JLab, A. Prokudin (7) ((1) University of Torino, Cagliari, E. Leader (5), F. Murgia (4), Italy, London, M. Anselmino (1, M. Boglione (1, Newport News, S. Melis (6), Torino, Trento, U. D'Alesio (3, UK, USA)","submitted_at":"2012-07-27T12:43:18Z","abstract_excerpt":"The much debated issue of the transverse single spin asymmetry A_N observed in the inclusive large P_T production of a single hadron in pp interactions, p(transv. polarized) p --> pion X, is considered in a TMD factorization scheme. A previous result [1,2] stating that the maximum contribution of the Collins effect is strongly suppressed, is revisited, correcting a numerical error. New estimates are given, adopting the Collins functions recently extracted from SIDIS and e+e- data, and phenomenological consequences are discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.6529","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":"2026-05-18T03:22:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sEYQa1EQBFOPWjvnQ278gvBjuGRnE7Uas+TT/ghhNafxm8qW5ZQgFeLlla9IQQKMTpoRFK+qYXeQWrMEaLBHCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T15:23:45.291250Z"},"content_sha256":"420142d011087269b433cbb11b1c990ba97fda0502b2aed4884f8d6a804eb69c","schema_version":"1.0","event_id":"sha256:420142d011087269b433cbb11b1c990ba97fda0502b2aed4884f8d6a804eb69c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YTBYETK64AY3LOEYQJMJDSJDBR/bundle.json","state_url":"https://pith.science/pith/YTBYETK64AY3LOEYQJMJDSJDBR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YTBYETK64AY3LOEYQJMJDSJDBR/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":"2026-05-22T15:23:45Z","links":{"resolver":"https://pith.science/pith/YTBYETK64AY3LOEYQJMJDSJDBR","bundle":"https://pith.science/pith/YTBYETK64AY3LOEYQJMJDSJDBR/bundle.json","state":"https://pith.science/pith/YTBYETK64AY3LOEYQJMJDSJDBR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YTBYETK64AY3LOEYQJMJDSJDBR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:YTBYETK64AY3LOEYQJMJDSJDBR","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":"7b41f0e419ba17820b2c1d7495d902bf43ac86d84f375d52323ecb8eb8518b6d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-07-27T12:43:18Z","title_canon_sha256":"1f15a5f8b414f50e38a093bc199772ea166af6b8844de83c1612858636e455c9"},"schema_version":"1.0","source":{"id":"1207.6529","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.6529","created_at":"2026-05-18T03:22:30Z"},{"alias_kind":"arxiv_version","alias_value":"1207.6529v1","created_at":"2026-05-18T03:22:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.6529","created_at":"2026-05-18T03:22:30Z"},{"alias_kind":"pith_short_12","alias_value":"YTBYETK64AY3","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"YTBYETK64AY3LOEY","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"YTBYETK6","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:420142d011087269b433cbb11b1c990ba97fda0502b2aed4884f8d6a804eb69c","target":"graph","created_at":"2026-05-18T03:22:30Z","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":"The much debated issue of the transverse single spin asymmetry A_N observed in the inclusive large P_T production of a single hadron in pp interactions, p(transv. polarized) p --> pion X, is considered in a TMD factorization scheme. A previous result [1,2] stating that the maximum contribution of the Collins effect is strongly suppressed, is revisited, correcting a numerical error. New estimates are given, adopting the Collins functions recently extracted from SIDIS and e+e- data, and phenomenological consequences are discussed.","authors_text":"2), (2) INFN, (3) University of Cagliari, 4), (4) INFN, (5) Imperial College, (6) ECT, (7) JLab, A. Prokudin (7) ((1) University of Torino, Cagliari, E. Leader (5), F. Murgia (4), Italy, London, M. Anselmino (1, M. Boglione (1, Newport News, S. Melis (6), Torino, Trento, U. D'Alesio (3, UK, USA)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-07-27T12:43:18Z","title":"On the role of Collins effect in the single spin asymmetry A_N in p(transv. polarized) p --> h X processes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.6529","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:dc15e16272a08ece5d17f794b2cd96de93ade406433e33b303dace0623457170","target":"record","created_at":"2026-05-18T03:22:30Z","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":"7b41f0e419ba17820b2c1d7495d902bf43ac86d84f375d52323ecb8eb8518b6d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-07-27T12:43:18Z","title_canon_sha256":"1f15a5f8b414f50e38a093bc199772ea166af6b8844de83c1612858636e455c9"},"schema_version":"1.0","source":{"id":"1207.6529","kind":"arxiv","version":1}},"canonical_sha256":"c4c3824d5ee031b5b898825891c9230c5a5e293db98ed0a5825126a81786b516","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c4c3824d5ee031b5b898825891c9230c5a5e293db98ed0a5825126a81786b516","first_computed_at":"2026-05-18T03:22:30.776819Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:22:30.776819Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U/fWSuIaxdqQl6zY3whqdItIYDotf5Z517JCn2n2Lv0sCe4dcxRJHRgLPvfasvtHW8JW2n3QrCzdz27FRI6nDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:22:30.777514Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.6529","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc15e16272a08ece5d17f794b2cd96de93ade406433e33b303dace0623457170","sha256:420142d011087269b433cbb11b1c990ba97fda0502b2aed4884f8d6a804eb69c"],"state_sha256":"bd55482a3bcacb0dda6322d1246ad29f5758d848c1100f03feacd675592dee47"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eDE30OiqvIItFWJ0ehczAp1Xi7FmVHz4W71X8z8qpwfd73PbW2VAIbHz4wdeg8ILoKlfCLv9OxWC3Dr9xyIPBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T15:23:45.294516Z","bundle_sha256":"fb91bbde8cfa36397ad559103fcfd107859e7d3a4a0cbb4b2e78b024366ba9f2"}}