{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:GEJPNOVR4KUNJIU4XQGIMZUGMH","short_pith_number":"pith:GEJPNOVR","canonical_record":{"source":{"id":"1810.07113","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-16T16:12:58Z","cross_cats_sorted":[],"title_canon_sha256":"14e156ce64839aa2a4fe5672d98187321973ba69c93a4b731b544514c52564fd","abstract_canon_sha256":"368cea897c1b7156288105dd0700dc40c8c06ba7e38a4500d3f3e9304633f653"},"schema_version":"1.0"},"canonical_sha256":"3112f6bab1e2a8d4a29cbc0c86668661cfd56227b9c78fbfea7486403726919b","source":{"kind":"arxiv","id":"1810.07113","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.07113","created_at":"2026-05-17T23:56:29Z"},{"alias_kind":"arxiv_version","alias_value":"1810.07113v3","created_at":"2026-05-17T23:56:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.07113","created_at":"2026-05-17T23:56:29Z"},{"alias_kind":"pith_short_12","alias_value":"GEJPNOVR4KUN","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GEJPNOVR4KUNJIU4","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GEJPNOVR","created_at":"2026-05-18T12:32:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:GEJPNOVR4KUNJIU4XQGIMZUGMH","target":"record","payload":{"canonical_record":{"source":{"id":"1810.07113","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-16T16:12:58Z","cross_cats_sorted":[],"title_canon_sha256":"14e156ce64839aa2a4fe5672d98187321973ba69c93a4b731b544514c52564fd","abstract_canon_sha256":"368cea897c1b7156288105dd0700dc40c8c06ba7e38a4500d3f3e9304633f653"},"schema_version":"1.0"},"canonical_sha256":"3112f6bab1e2a8d4a29cbc0c86668661cfd56227b9c78fbfea7486403726919b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:29.315527Z","signature_b64":"0EF2NGo+cIj9aGzECUE3eaP0jF3icNEP3Q7viy4AzQi6ad0FghlGWDeGTLZn8Ii2KVrhOeJSy2ZkFJo/+mNBAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3112f6bab1e2a8d4a29cbc0c86668661cfd56227b9c78fbfea7486403726919b","last_reissued_at":"2026-05-17T23:56:29.315056Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:29.315056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.07113","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:56:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HdoxwHyUWxO5PtJjGcvj5ca/xgH69cf9soylYJQ8cfha0X4Vv8W9wXbrRdL2ZpxO4hdWvQAJOe+yhFChrJPyDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:14:32.923907Z"},"content_sha256":"6b334fae200ecfa4896353165075e0254d440e79fb3a0eff3a0c54840b043ce2","schema_version":"1.0","event_id":"sha256:6b334fae200ecfa4896353165075e0254d440e79fb3a0eff3a0c54840b043ce2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:GEJPNOVR4KUNJIU4XQGIMZUGMH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing the Gluon Sivers Function through direct photon production at RHIC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Abhiram Kaushik, Anuradha Misra, Rohini M. Godbole, Siddhesh Padval","submitted_at":"2018-10-16T16:12:58Z","abstract_excerpt":"We study the production of prompt-photons at RHIC in the context of a generalised parton model framework, with a view to obtain information on the gluon Sivers function (GSF). At RHIC energy ($\\sqrt{s}=200$ GeV), the Compton process, $gq\\to\\gamma q$ contributes significantly to the production of direct-photons at midrapidity and dominates it in the negative (backward) rapdity region. We find that for direct photons, asymmetries of upto 10\\% are allowed by a maximal gluon Sivers function. However, the asymmetry obtained using existing fits of the GSF available is literature is negligible. We al"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.07113","kind":"arxiv","version":3},"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":"2026-05-17T23:56:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2Hsqxy9/pfhu8saIp8EKNuPdpD23sMDNmfg2LvVseJM9C8c7oxDOdLiWr++9JsPr73LdN3QtD6sZIvKBSybDBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:14:32.924270Z"},"content_sha256":"469f1a37072a4d2d2887fcab76ff664d1b56d150b128412cf767a5827860e29f","schema_version":"1.0","event_id":"sha256:469f1a37072a4d2d2887fcab76ff664d1b56d150b128412cf767a5827860e29f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GEJPNOVR4KUNJIU4XQGIMZUGMH/bundle.json","state_url":"https://pith.science/pith/GEJPNOVR4KUNJIU4XQGIMZUGMH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GEJPNOVR4KUNJIU4XQGIMZUGMH/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":"2026-05-30T08:14:32Z","links":{"resolver":"https://pith.science/pith/GEJPNOVR4KUNJIU4XQGIMZUGMH","bundle":"https://pith.science/pith/GEJPNOVR4KUNJIU4XQGIMZUGMH/bundle.json","state":"https://pith.science/pith/GEJPNOVR4KUNJIU4XQGIMZUGMH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GEJPNOVR4KUNJIU4XQGIMZUGMH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:GEJPNOVR4KUNJIU4XQGIMZUGMH","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":"368cea897c1b7156288105dd0700dc40c8c06ba7e38a4500d3f3e9304633f653","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-16T16:12:58Z","title_canon_sha256":"14e156ce64839aa2a4fe5672d98187321973ba69c93a4b731b544514c52564fd"},"schema_version":"1.0","source":{"id":"1810.07113","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.07113","created_at":"2026-05-17T23:56:29Z"},{"alias_kind":"arxiv_version","alias_value":"1810.07113v3","created_at":"2026-05-17T23:56:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.07113","created_at":"2026-05-17T23:56:29Z"},{"alias_kind":"pith_short_12","alias_value":"GEJPNOVR4KUN","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"GEJPNOVR4KUNJIU4","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"GEJPNOVR","created_at":"2026-05-18T12:32:25Z"}],"graph_snapshots":[{"event_id":"sha256:469f1a37072a4d2d2887fcab76ff664d1b56d150b128412cf767a5827860e29f","target":"graph","created_at":"2026-05-17T23:56:29Z","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 prompt-photons at RHIC in the context of a generalised parton model framework, with a view to obtain information on the gluon Sivers function (GSF). At RHIC energy ($\\sqrt{s}=200$ GeV), the Compton process, $gq\\to\\gamma q$ contributes significantly to the production of direct-photons at midrapidity and dominates it in the negative (backward) rapdity region. We find that for direct photons, asymmetries of upto 10\\% are allowed by a maximal gluon Sivers function. However, the asymmetry obtained using existing fits of the GSF available is literature is negligible. We al","authors_text":"Abhiram Kaushik, Anuradha Misra, Rohini M. Godbole, Siddhesh Padval","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-16T16:12:58Z","title":"Probing the Gluon Sivers Function through direct photon production at RHIC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.07113","kind":"arxiv","version":3},"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":"sha256:6b334fae200ecfa4896353165075e0254d440e79fb3a0eff3a0c54840b043ce2","target":"record","created_at":"2026-05-17T23:56:29Z","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":"368cea897c1b7156288105dd0700dc40c8c06ba7e38a4500d3f3e9304633f653","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-10-16T16:12:58Z","title_canon_sha256":"14e156ce64839aa2a4fe5672d98187321973ba69c93a4b731b544514c52564fd"},"schema_version":"1.0","source":{"id":"1810.07113","kind":"arxiv","version":3}},"canonical_sha256":"3112f6bab1e2a8d4a29cbc0c86668661cfd56227b9c78fbfea7486403726919b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3112f6bab1e2a8d4a29cbc0c86668661cfd56227b9c78fbfea7486403726919b","first_computed_at":"2026-05-17T23:56:29.315056Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:29.315056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0EF2NGo+cIj9aGzECUE3eaP0jF3icNEP3Q7viy4AzQi6ad0FghlGWDeGTLZn8Ii2KVrhOeJSy2ZkFJo/+mNBAg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:29.315527Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.07113","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6b334fae200ecfa4896353165075e0254d440e79fb3a0eff3a0c54840b043ce2","sha256:469f1a37072a4d2d2887fcab76ff664d1b56d150b128412cf767a5827860e29f"],"state_sha256":"9e24c46109ee8f2b001c82c0017ced2416f064ad154417bce3ae43c7822b1ebd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QU5nfcMhOZG9JPH6jOZkB0tQQ+z7E0wnuzrCdtvtyTY9iCOfhxdER87JUmTJE9nBvF9V/sx2aIXZd0OwaeXwBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T08:14:32.927520Z","bundle_sha256":"a40631a8b79e1ccd2c88e8d090666af9917aa48fba579d1a7428faa4223fb6d5"}}