{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:DE2WLW2EHDP7AEIS7HK5Y3FHKR","short_pith_number":"pith:DE2WLW2E","canonical_record":{"source":{"id":"1609.05596","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-09-19T04:18:14Z","cross_cats_sorted":[],"title_canon_sha256":"f69091f10ee2f3aa6a4564a5f54e3a45e27f1e6ef979f82de48b9049e03bb21f","abstract_canon_sha256":"d4382f587ebfa28e2d0f82f6da0150dc77b54e0a56cecfc8a1286abfe5d24ad5"},"schema_version":"1.0"},"canonical_sha256":"193565db4438dff01112f9d5dc6ca7545f2508fb2e7c7b89b38006286568e02e","source":{"kind":"arxiv","id":"1609.05596","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.05596","created_at":"2026-05-18T00:26:01Z"},{"alias_kind":"arxiv_version","alias_value":"1609.05596v3","created_at":"2026-05-18T00:26:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.05596","created_at":"2026-05-18T00:26:01Z"},{"alias_kind":"pith_short_12","alias_value":"DE2WLW2EHDP7","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DE2WLW2EHDP7AEIS","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DE2WLW2E","created_at":"2026-05-18T12:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:DE2WLW2EHDP7AEIS7HK5Y3FHKR","target":"record","payload":{"canonical_record":{"source":{"id":"1609.05596","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-09-19T04:18:14Z","cross_cats_sorted":[],"title_canon_sha256":"f69091f10ee2f3aa6a4564a5f54e3a45e27f1e6ef979f82de48b9049e03bb21f","abstract_canon_sha256":"d4382f587ebfa28e2d0f82f6da0150dc77b54e0a56cecfc8a1286abfe5d24ad5"},"schema_version":"1.0"},"canonical_sha256":"193565db4438dff01112f9d5dc6ca7545f2508fb2e7c7b89b38006286568e02e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:26:01.869169Z","signature_b64":"8WkaL6X08UHXNbkQCw+N/hT4eL5cRa/sTzm20JJ2W4Mja022BYqCL5nrDuiyFjFdOkIZ65+hzk6ezUVGSaFWBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"193565db4438dff01112f9d5dc6ca7545f2508fb2e7c7b89b38006286568e02e","last_reissued_at":"2026-05-18T00:26:01.868533Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:26:01.868533Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.05596","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":"2026-05-18T00:26:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5hrHqpo/OMqS+vCon/ELm6sLr/Kar5RgSKlM95BCv1BlDiQlzkBCeCgIcqXZxv+voZxwyz9zinlgycIo1wEaDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T13:36:26.514805Z"},"content_sha256":"3ca8ad071e8b75063f4aa0bb2b4b7bed6fd7c3ec9a0c476e41c50bc3d6133667","schema_version":"1.0","event_id":"sha256:3ca8ad071e8b75063f4aa0bb2b4b7bed6fd7c3ec9a0c476e41c50bc3d6133667"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:DE2WLW2EHDP7AEIS7HK5Y3FHKR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$J/\\psi$ Production in Polarized and Unpolarized $ep$ Collision and Sivers and $\\cos2\\phi$ Asymmetries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Asmita Mukherjee, Sangem Rajesh","submitted_at":"2016-09-19T04:18:14Z","abstract_excerpt":"We calculate the Sivers and $\\cos2\\phi$ azimuthal asymmetries in $J/\\psi$ production in polarized and unpolarized semi-inclusive $ep$ collision respectively, using the formalism based on transverse momentum dependent parton distributions (TMDs). Non-relativistic QCD based color octet model is employed for calculating the $J/\\psi$ production rate. The Sivers asymmetry in this process directly probes the gluon Sivers function. The estimated Sivers asymmetry at $z=1$ is negative which is in good agreement with COMPASS data. We also investigate the effect of TMD evolution on the Sivers asymmetry. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.05596","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":"2026-05-18T00:26:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vyHLwo0eMmpg2d+SAAUKSLzdmJhPUwuxfjBUlpV/xix0f0eABOlfbi91lTVSG0cggsJL+V0S+FtkuQiV0/a8Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T13:36:26.515147Z"},"content_sha256":"2247bf85375aee05a0d6f42b6b40431dfca9e2ad9e30e57d0c0275961c708a2e","schema_version":"1.0","event_id":"sha256:2247bf85375aee05a0d6f42b6b40431dfca9e2ad9e30e57d0c0275961c708a2e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DE2WLW2EHDP7AEIS7HK5Y3FHKR/bundle.json","state_url":"https://pith.science/pith/DE2WLW2EHDP7AEIS7HK5Y3FHKR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DE2WLW2EHDP7AEIS7HK5Y3FHKR/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":"2026-05-21T13:36:26Z","links":{"resolver":"https://pith.science/pith/DE2WLW2EHDP7AEIS7HK5Y3FHKR","bundle":"https://pith.science/pith/DE2WLW2EHDP7AEIS7HK5Y3FHKR/bundle.json","state":"https://pith.science/pith/DE2WLW2EHDP7AEIS7HK5Y3FHKR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DE2WLW2EHDP7AEIS7HK5Y3FHKR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:DE2WLW2EHDP7AEIS7HK5Y3FHKR","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":"d4382f587ebfa28e2d0f82f6da0150dc77b54e0a56cecfc8a1286abfe5d24ad5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-09-19T04:18:14Z","title_canon_sha256":"f69091f10ee2f3aa6a4564a5f54e3a45e27f1e6ef979f82de48b9049e03bb21f"},"schema_version":"1.0","source":{"id":"1609.05596","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.05596","created_at":"2026-05-18T00:26:01Z"},{"alias_kind":"arxiv_version","alias_value":"1609.05596v3","created_at":"2026-05-18T00:26:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.05596","created_at":"2026-05-18T00:26:01Z"},{"alias_kind":"pith_short_12","alias_value":"DE2WLW2EHDP7","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DE2WLW2EHDP7AEIS","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DE2WLW2E","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:2247bf85375aee05a0d6f42b6b40431dfca9e2ad9e30e57d0c0275961c708a2e","target":"graph","created_at":"2026-05-18T00:26:01Z","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 calculate the Sivers and $\\cos2\\phi$ azimuthal asymmetries in $J/\\psi$ production in polarized and unpolarized semi-inclusive $ep$ collision respectively, using the formalism based on transverse momentum dependent parton distributions (TMDs). Non-relativistic QCD based color octet model is employed for calculating the $J/\\psi$ production rate. The Sivers asymmetry in this process directly probes the gluon Sivers function. The estimated Sivers asymmetry at $z=1$ is negative which is in good agreement with COMPASS data. We also investigate the effect of TMD evolution on the Sivers asymmetry. ","authors_text":"Asmita Mukherjee, Sangem Rajesh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-09-19T04:18:14Z","title":"$J/\\psi$ Production in Polarized and Unpolarized $ep$ Collision and Sivers and $\\cos2\\phi$ Asymmetries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.05596","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":"sha256:3ca8ad071e8b75063f4aa0bb2b4b7bed6fd7c3ec9a0c476e41c50bc3d6133667","target":"record","created_at":"2026-05-18T00:26:01Z","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":"d4382f587ebfa28e2d0f82f6da0150dc77b54e0a56cecfc8a1286abfe5d24ad5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-09-19T04:18:14Z","title_canon_sha256":"f69091f10ee2f3aa6a4564a5f54e3a45e27f1e6ef979f82de48b9049e03bb21f"},"schema_version":"1.0","source":{"id":"1609.05596","kind":"arxiv","version":3}},"canonical_sha256":"193565db4438dff01112f9d5dc6ca7545f2508fb2e7c7b89b38006286568e02e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"193565db4438dff01112f9d5dc6ca7545f2508fb2e7c7b89b38006286568e02e","first_computed_at":"2026-05-18T00:26:01.868533Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:26:01.868533Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8WkaL6X08UHXNbkQCw+N/hT4eL5cRa/sTzm20JJ2W4Mja022BYqCL5nrDuiyFjFdOkIZ65+hzk6ezUVGSaFWBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:26:01.869169Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.05596","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3ca8ad071e8b75063f4aa0bb2b4b7bed6fd7c3ec9a0c476e41c50bc3d6133667","sha256:2247bf85375aee05a0d6f42b6b40431dfca9e2ad9e30e57d0c0275961c708a2e"],"state_sha256":"104503cbcc3a54daa5f1c728be3fc7a222d549cb9db348368512cd4881fa582b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UcyRY3cDQTBcx1upNAm56Z/BhFPEoAYpipL381haxvgfNVPmp60qYWAkWj68vyeqOrw4UCcfqHmXpNJvOcTFBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T13:36:26.517116Z","bundle_sha256":"de6aa0247fff5de44710b2917de2c2b6fbe4abc40b8499ad3d0daac975094093"}}