{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:KDWD7GV2Z54MQNNFJAIQ4GQ7IK","short_pith_number":"pith:KDWD7GV2","canonical_record":{"source":{"id":"1402.5496","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-02-22T09:03:28Z","cross_cats_sorted":[],"title_canon_sha256":"659d05ec6032d441a38361412d6db54494ea0352b8a313cdb3e87354d44908f9","abstract_canon_sha256":"f9c2f7a616e36dd0dca43556bca793030e691efe5453fe70ad2fc10e1dc0c281"},"schema_version":"1.0"},"canonical_sha256":"50ec3f9abacf78c835a548110e1a1f42a3b1c22d56545c55bce1cb713932945f","source":{"kind":"arxiv","id":"1402.5496","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.5496","created_at":"2026-05-18T02:50:02Z"},{"alias_kind":"arxiv_version","alias_value":"1402.5496v2","created_at":"2026-05-18T02:50:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.5496","created_at":"2026-05-18T02:50:02Z"},{"alias_kind":"pith_short_12","alias_value":"KDWD7GV2Z54M","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KDWD7GV2Z54MQNNF","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KDWD7GV2","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:KDWD7GV2Z54MQNNFJAIQ4GQ7IK","target":"record","payload":{"canonical_record":{"source":{"id":"1402.5496","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-02-22T09:03:28Z","cross_cats_sorted":[],"title_canon_sha256":"659d05ec6032d441a38361412d6db54494ea0352b8a313cdb3e87354d44908f9","abstract_canon_sha256":"f9c2f7a616e36dd0dca43556bca793030e691efe5453fe70ad2fc10e1dc0c281"},"schema_version":"1.0"},"canonical_sha256":"50ec3f9abacf78c835a548110e1a1f42a3b1c22d56545c55bce1cb713932945f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:50:02.592118Z","signature_b64":"G0Yt+mw5Dj+chF+86ZcMBlgr8e6d5nvIv5Z6yaISF0f68zfqQqM2U28JJdTQPWUJlNsYOO0kYwT7UQbeKR5ABQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"50ec3f9abacf78c835a548110e1a1f42a3b1c22d56545c55bce1cb713932945f","last_reissued_at":"2026-05-18T02:50:02.591440Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:50:02.591440Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.5496","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":"2026-05-18T02:50:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cm4pCPzpqJCjWl3LbLvdCsdVuYUBVHIhgRbbZolKb+sJumxLTEL4jCfsfPH6qXZCtWmBaQlj/+oZmZifij3IDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:17:36.638877Z"},"content_sha256":"487c10965bf2e132a0eb1534cb6d748bf825618687d38b213a0825846dc19c74","schema_version":"1.0","event_id":"sha256:487c10965bf2e132a0eb1534cb6d748bf825618687d38b213a0825846dc19c74"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:KDWD7GV2Z54MQNNFJAIQ4GQ7IK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Drell-Yan lepton pair production at LHC and TMD quark densities of the proton","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A.V. Lipatov, N.P. Zotov, S.P. Baranov","submitted_at":"2014-02-22T09:03:28Z","abstract_excerpt":"We use the TMD quark densities of the proton to investigate unpolarized Drell-Yan lepton pair production in proton-proton collisions at the LHC energies. We investigate the case where the gluon-to-quark splitting occurs at the last evolution step and calculate the TMD sea quark density as a convolution of the CCFM-evolved gluon distribution and the TMD gluon-to-quark splitting function which contains all single logarithmic small-x corrections to the sea quark evolution for any order of perturbation theory. Based on the O(alpha) production amplitude of quark-antiquark annihilation calculated ac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.5496","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":"2026-05-18T02:50:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OaR+VHvR5XHy2SxoTVWg5CbQ24NIV7iu03FVvK4gSZyhr8cWmmyyShDedAjFsShd97Kj5rWkoG1ZsUV1X1bYBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:17:36.639535Z"},"content_sha256":"53ea3c0210f80a1938a1ecab6b5613c834ab3e6274b7c97aa400dc4f5af4d244","schema_version":"1.0","event_id":"sha256:53ea3c0210f80a1938a1ecab6b5613c834ab3e6274b7c97aa400dc4f5af4d244"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KDWD7GV2Z54MQNNFJAIQ4GQ7IK/bundle.json","state_url":"https://pith.science/pith/KDWD7GV2Z54MQNNFJAIQ4GQ7IK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KDWD7GV2Z54MQNNFJAIQ4GQ7IK/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":"2026-05-30T11:17:36Z","links":{"resolver":"https://pith.science/pith/KDWD7GV2Z54MQNNFJAIQ4GQ7IK","bundle":"https://pith.science/pith/KDWD7GV2Z54MQNNFJAIQ4GQ7IK/bundle.json","state":"https://pith.science/pith/KDWD7GV2Z54MQNNFJAIQ4GQ7IK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KDWD7GV2Z54MQNNFJAIQ4GQ7IK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:KDWD7GV2Z54MQNNFJAIQ4GQ7IK","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":"f9c2f7a616e36dd0dca43556bca793030e691efe5453fe70ad2fc10e1dc0c281","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-02-22T09:03:28Z","title_canon_sha256":"659d05ec6032d441a38361412d6db54494ea0352b8a313cdb3e87354d44908f9"},"schema_version":"1.0","source":{"id":"1402.5496","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.5496","created_at":"2026-05-18T02:50:02Z"},{"alias_kind":"arxiv_version","alias_value":"1402.5496v2","created_at":"2026-05-18T02:50:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.5496","created_at":"2026-05-18T02:50:02Z"},{"alias_kind":"pith_short_12","alias_value":"KDWD7GV2Z54M","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KDWD7GV2Z54MQNNF","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KDWD7GV2","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:53ea3c0210f80a1938a1ecab6b5613c834ab3e6274b7c97aa400dc4f5af4d244","target":"graph","created_at":"2026-05-18T02:50:02Z","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 use the TMD quark densities of the proton to investigate unpolarized Drell-Yan lepton pair production in proton-proton collisions at the LHC energies. We investigate the case where the gluon-to-quark splitting occurs at the last evolution step and calculate the TMD sea quark density as a convolution of the CCFM-evolved gluon distribution and the TMD gluon-to-quark splitting function which contains all single logarithmic small-x corrections to the sea quark evolution for any order of perturbation theory. Based on the O(alpha) production amplitude of quark-antiquark annihilation calculated ac","authors_text":"A.V. Lipatov, N.P. Zotov, S.P. Baranov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-02-22T09:03:28Z","title":"Drell-Yan lepton pair production at LHC and TMD quark densities of the proton"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.5496","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":"sha256:487c10965bf2e132a0eb1534cb6d748bf825618687d38b213a0825846dc19c74","target":"record","created_at":"2026-05-18T02:50:02Z","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":"f9c2f7a616e36dd0dca43556bca793030e691efe5453fe70ad2fc10e1dc0c281","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-02-22T09:03:28Z","title_canon_sha256":"659d05ec6032d441a38361412d6db54494ea0352b8a313cdb3e87354d44908f9"},"schema_version":"1.0","source":{"id":"1402.5496","kind":"arxiv","version":2}},"canonical_sha256":"50ec3f9abacf78c835a548110e1a1f42a3b1c22d56545c55bce1cb713932945f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"50ec3f9abacf78c835a548110e1a1f42a3b1c22d56545c55bce1cb713932945f","first_computed_at":"2026-05-18T02:50:02.591440Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:50:02.591440Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G0Yt+mw5Dj+chF+86ZcMBlgr8e6d5nvIv5Z6yaISF0f68zfqQqM2U28JJdTQPWUJlNsYOO0kYwT7UQbeKR5ABQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:50:02.592118Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.5496","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:487c10965bf2e132a0eb1534cb6d748bf825618687d38b213a0825846dc19c74","sha256:53ea3c0210f80a1938a1ecab6b5613c834ab3e6274b7c97aa400dc4f5af4d244"],"state_sha256":"ef721b8efbfcf72317f4fc4c503a7f67cd8869e03037fb67e6f4cd609a88c912"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+w8RzYVxbR4/VQcQFWl5Sq30u2kxummPQ357i/+bGHepurVcoxijvYcS6EVdOWszENyWspw0P1o+d1pAslv+Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T11:17:36.642536Z","bundle_sha256":"ee0e633b1fab4276aef42be578fc6fc62027325b364b83d63cb1c6116cf3c24d"}}