{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:3XTYQSPFLZF5ASENYNETH3BKHL","short_pith_number":"pith:3XTYQSPF","canonical_record":{"source":{"id":"1912.01585","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-12-03T18:31:12Z","cross_cats_sorted":[],"title_canon_sha256":"11e18fc287cca5db5608512ebde43ce2f6f66d4dac95776bc38259d6a36a5e0d","abstract_canon_sha256":"a552bbe38c9908480826f35d2de015016b4a89190030d7a695348cfc7a2f0fc8"},"schema_version":"1.0"},"canonical_sha256":"dde78849e55e4bd0488dc34933ec2a3ae70bdce338a7b763b1326730f87b4bec","source":{"kind":"arxiv","id":"1912.01585","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.01585","created_at":"2026-07-05T01:19:25Z"},{"alias_kind":"arxiv_version","alias_value":"1912.01585v2","created_at":"2026-07-05T01:19:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.01585","created_at":"2026-07-05T01:19:25Z"},{"alias_kind":"pith_short_12","alias_value":"3XTYQSPFLZF5","created_at":"2026-07-05T01:19:25Z"},{"alias_kind":"pith_short_16","alias_value":"3XTYQSPFLZF5ASEN","created_at":"2026-07-05T01:19:25Z"},{"alias_kind":"pith_short_8","alias_value":"3XTYQSPF","created_at":"2026-07-05T01:19:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:3XTYQSPFLZF5ASENYNETH3BKHL","target":"record","payload":{"canonical_record":{"source":{"id":"1912.01585","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-12-03T18:31:12Z","cross_cats_sorted":[],"title_canon_sha256":"11e18fc287cca5db5608512ebde43ce2f6f66d4dac95776bc38259d6a36a5e0d","abstract_canon_sha256":"a552bbe38c9908480826f35d2de015016b4a89190030d7a695348cfc7a2f0fc8"},"schema_version":"1.0"},"canonical_sha256":"dde78849e55e4bd0488dc34933ec2a3ae70bdce338a7b763b1326730f87b4bec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:19:25.574182Z","signature_b64":"ddBEdBOsoWwGlFX06c0Kv1uL8nBYmEroyxGA8W6ocxpvMK+Qr1U673w5nz2Bs480nfeCTmj5rgCXSWJF3+HZDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dde78849e55e4bd0488dc34933ec2a3ae70bdce338a7b763b1326730f87b4bec","last_reissued_at":"2026-07-05T01:19:25.573644Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:19:25.573644Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.01585","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":"2026-07-05T01:19:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+f9fjJizVzyl1MdIMhi49L3pCAxOa0t1dmDglBuUesaq+ZXqGw0oVJ7HJCneTV2TOBVrVKV2aC7DqYAm8X7LAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T17:11:30.453429Z"},"content_sha256":"ff690a0e30be5ed83435e0c1dd5de34fb0d6aeabc558434b8b58b7fa4fad2921","schema_version":"1.0","event_id":"sha256:ff690a0e30be5ed83435e0c1dd5de34fb0d6aeabc558434b8b58b7fa4fad2921"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:3XTYQSPFLZF5ASENYNETH3BKHL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Threshold factorization of the Drell-Yan process at next-to-leading power","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Alessandro Broggio, Leonardo Vernazza, Martin Beneke, Sebastian Jaskiewicz","submitted_at":"2019-12-03T18:31:12Z","abstract_excerpt":"We present a factorization theorem valid near the kinematic threshold $z=Q^2/\\hat{s}\\to 1$ of the partonic Drell-Yan process $q\\bar q\\to\\gamma^*+X$ for general subleading powers in the $(1-z)$ expansion. We then consider the specific case of next-to-leading power. We discuss the emergence of collinear functions, which are a key ingredient to factorization starting at next-to-leading power. We calculate the relevant collinear functions at $\\mathcal{O}(\\alpha_s)$ by employing an operator matching equation and we compare our results to the expansion-by-regions computation up to the next-to-next-t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.01585","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1912.01585/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:19:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ayWmbqiamL8Yxg5uA+hJf6IDJNOl1MC9v44nhiqpJm8gBZJX7HvUdc3UiScAUbBQoLES+o7ZOXwX0oQpcUIaAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T17:11:30.454369Z"},"content_sha256":"e94a1dacd95b54864f43cdf79a88fce8fb79385b97f8dc46ace4b28c1231e533","schema_version":"1.0","event_id":"sha256:e94a1dacd95b54864f43cdf79a88fce8fb79385b97f8dc46ace4b28c1231e533"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3XTYQSPFLZF5ASENYNETH3BKHL/bundle.json","state_url":"https://pith.science/pith/3XTYQSPFLZF5ASENYNETH3BKHL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3XTYQSPFLZF5ASENYNETH3BKHL/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":"2026-08-05T17:11:30Z","links":{"resolver":"https://pith.science/pith/3XTYQSPFLZF5ASENYNETH3BKHL","bundle":"https://pith.science/pith/3XTYQSPFLZF5ASENYNETH3BKHL/bundle.json","state":"https://pith.science/pith/3XTYQSPFLZF5ASENYNETH3BKHL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3XTYQSPFLZF5ASENYNETH3BKHL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:3XTYQSPFLZF5ASENYNETH3BKHL","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":"a552bbe38c9908480826f35d2de015016b4a89190030d7a695348cfc7a2f0fc8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-12-03T18:31:12Z","title_canon_sha256":"11e18fc287cca5db5608512ebde43ce2f6f66d4dac95776bc38259d6a36a5e0d"},"schema_version":"1.0","source":{"id":"1912.01585","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.01585","created_at":"2026-07-05T01:19:25Z"},{"alias_kind":"arxiv_version","alias_value":"1912.01585v2","created_at":"2026-07-05T01:19:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.01585","created_at":"2026-07-05T01:19:25Z"},{"alias_kind":"pith_short_12","alias_value":"3XTYQSPFLZF5","created_at":"2026-07-05T01:19:25Z"},{"alias_kind":"pith_short_16","alias_value":"3XTYQSPFLZF5ASEN","created_at":"2026-07-05T01:19:25Z"},{"alias_kind":"pith_short_8","alias_value":"3XTYQSPF","created_at":"2026-07-05T01:19:25Z"}],"graph_snapshots":[{"event_id":"sha256:e94a1dacd95b54864f43cdf79a88fce8fb79385b97f8dc46ace4b28c1231e533","target":"graph","created_at":"2026-07-05T01:19:25Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1912.01585/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a factorization theorem valid near the kinematic threshold $z=Q^2/\\hat{s}\\to 1$ of the partonic Drell-Yan process $q\\bar q\\to\\gamma^*+X$ for general subleading powers in the $(1-z)$ expansion. We then consider the specific case of next-to-leading power. We discuss the emergence of collinear functions, which are a key ingredient to factorization starting at next-to-leading power. We calculate the relevant collinear functions at $\\mathcal{O}(\\alpha_s)$ by employing an operator matching equation and we compare our results to the expansion-by-regions computation up to the next-to-next-t","authors_text":"Alessandro Broggio, Leonardo Vernazza, Martin Beneke, Sebastian Jaskiewicz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-12-03T18:31:12Z","title":"Threshold factorization of the Drell-Yan process at next-to-leading power"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.01585","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:ff690a0e30be5ed83435e0c1dd5de34fb0d6aeabc558434b8b58b7fa4fad2921","target":"record","created_at":"2026-07-05T01:19:25Z","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":"a552bbe38c9908480826f35d2de015016b4a89190030d7a695348cfc7a2f0fc8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-12-03T18:31:12Z","title_canon_sha256":"11e18fc287cca5db5608512ebde43ce2f6f66d4dac95776bc38259d6a36a5e0d"},"schema_version":"1.0","source":{"id":"1912.01585","kind":"arxiv","version":2}},"canonical_sha256":"dde78849e55e4bd0488dc34933ec2a3ae70bdce338a7b763b1326730f87b4bec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dde78849e55e4bd0488dc34933ec2a3ae70bdce338a7b763b1326730f87b4bec","first_computed_at":"2026-07-05T01:19:25.573644Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:19:25.573644Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ddBEdBOsoWwGlFX06c0Kv1uL8nBYmEroyxGA8W6ocxpvMK+Qr1U673w5nz2Bs480nfeCTmj5rgCXSWJF3+HZDg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:19:25.574182Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.01585","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ff690a0e30be5ed83435e0c1dd5de34fb0d6aeabc558434b8b58b7fa4fad2921","sha256:e94a1dacd95b54864f43cdf79a88fce8fb79385b97f8dc46ace4b28c1231e533"],"state_sha256":"05c65b61daedac957781744cac246c6c4c7e758e0cd2fdd8e4c460c3d11a043c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JQZOjMKnJvs1kUnhYNyiiD6wTu6wTCS8O6ADpDq9tgdFfo5lzkz9MCDqFq7FUOTuL0hJx064hZgRkoO7Ho31Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T17:11:30.463721Z","bundle_sha256":"19dbd65fc3d3b009a4ae8f8da39b96cf72ea0c69d6a898c78700e4cfb29b6ab0"}}