{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:XGP3RDO5K6GC2NPDE7T66ICZ67","short_pith_number":"pith:XGP3RDO5","canonical_record":{"source":{"id":"1702.06486","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-02-21T17:28:20Z","cross_cats_sorted":[],"title_canon_sha256":"a652b5f3e5cfd4a76c61a9e4fd6176ced7c5d50a2552969ecaa8627ec21df8b0","abstract_canon_sha256":"639b2ac42aff58520a929da6fed59fbd42d3544d39f9bd5eaa84cbca9d2c8888"},"schema_version":"1.0"},"canonical_sha256":"b99fb88ddd578c2d35e327e7ef2059f7ec8fc8c41913fb86dc6db48cdd59a25e","source":{"kind":"arxiv","id":"1702.06486","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.06486","created_at":"2026-05-18T00:38:57Z"},{"alias_kind":"arxiv_version","alias_value":"1702.06486v2","created_at":"2026-05-18T00:38:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.06486","created_at":"2026-05-18T00:38:57Z"},{"alias_kind":"pith_short_12","alias_value":"XGP3RDO5K6GC","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"XGP3RDO5K6GC2NPD","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"XGP3RDO5","created_at":"2026-05-18T12:31:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:XGP3RDO5K6GC2NPDE7T66ICZ67","target":"record","payload":{"canonical_record":{"source":{"id":"1702.06486","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-02-21T17:28:20Z","cross_cats_sorted":[],"title_canon_sha256":"a652b5f3e5cfd4a76c61a9e4fd6176ced7c5d50a2552969ecaa8627ec21df8b0","abstract_canon_sha256":"639b2ac42aff58520a929da6fed59fbd42d3544d39f9bd5eaa84cbca9d2c8888"},"schema_version":"1.0"},"canonical_sha256":"b99fb88ddd578c2d35e327e7ef2059f7ec8fc8c41913fb86dc6db48cdd59a25e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:57.406669Z","signature_b64":"AC/OS51uOZYJBehUp3SVkSRURdgjYBIwvR0dLWyb5gx2aWZ7H+5j3tXLTuEiXX0nnieK0amM5n2BuKbufN7zDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b99fb88ddd578c2d35e327e7ef2059f7ec8fc8c41913fb86dc6db48cdd59a25e","last_reissued_at":"2026-05-18T00:38:57.406046Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:57.406046Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.06486","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":"2026-05-18T00:38:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G2wHw/6JIdjQiQHrplcSdHLm6ntrQ3G/EurYuJWBbF+bhZbMsKMthgSdGxj9YbIsmJaDuDH2gSW1yOaM+OSxCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T10:40:54.808839Z"},"content_sha256":"4ab1df9ecea3252beee73b3c7f58562fbf0acea911fa656f9c58980062fa674e","schema_version":"1.0","event_id":"sha256:4ab1df9ecea3252beee73b3c7f58562fbf0acea911fa656f9c58980062fa674e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:XGP3RDO5K6GC2NPDE7T66ICZ67","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Double hard scattering without double counting","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Jonathan R. Gaunt, Kay Sch\\\"onwald, Markus Diehl","submitted_at":"2017-02-21T17:28:20Z","abstract_excerpt":"Double parton scattering in proton-proton collisions includes kinematic regions in which two partons inside a proton originate from the perturbative splitting of a single parton. This leads to a double counting problem between single and double hard scattering. We present a solution to this problem, which allows for the definition of double parton distributions as operator matrix elements in a proton, and which can be used at higher orders in perturbation theory. We show how the evaluation of double hard scattering in this framework can provide a rough estimate for the size of the higher-order"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.06486","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":"2026-05-18T00:38:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"herF68J3T/wxl3qTgOnEAJ833JNsBZ+YBD5XxNxEz5VMzxAgZuOy74I1K6dMJE55o/ZT9OZotWja9uPkWaEHCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T10:40:54.809180Z"},"content_sha256":"9c22cac3b62f185c3f28c424633b50a5b0aee7cbc177d25ab1990a09d05db8ba","schema_version":"1.0","event_id":"sha256:9c22cac3b62f185c3f28c424633b50a5b0aee7cbc177d25ab1990a09d05db8ba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XGP3RDO5K6GC2NPDE7T66ICZ67/bundle.json","state_url":"https://pith.science/pith/XGP3RDO5K6GC2NPDE7T66ICZ67/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XGP3RDO5K6GC2NPDE7T66ICZ67/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":"2026-05-19T10:40:54Z","links":{"resolver":"https://pith.science/pith/XGP3RDO5K6GC2NPDE7T66ICZ67","bundle":"https://pith.science/pith/XGP3RDO5K6GC2NPDE7T66ICZ67/bundle.json","state":"https://pith.science/pith/XGP3RDO5K6GC2NPDE7T66ICZ67/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XGP3RDO5K6GC2NPDE7T66ICZ67/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:XGP3RDO5K6GC2NPDE7T66ICZ67","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":"639b2ac42aff58520a929da6fed59fbd42d3544d39f9bd5eaa84cbca9d2c8888","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-02-21T17:28:20Z","title_canon_sha256":"a652b5f3e5cfd4a76c61a9e4fd6176ced7c5d50a2552969ecaa8627ec21df8b0"},"schema_version":"1.0","source":{"id":"1702.06486","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.06486","created_at":"2026-05-18T00:38:57Z"},{"alias_kind":"arxiv_version","alias_value":"1702.06486v2","created_at":"2026-05-18T00:38:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.06486","created_at":"2026-05-18T00:38:57Z"},{"alias_kind":"pith_short_12","alias_value":"XGP3RDO5K6GC","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"XGP3RDO5K6GC2NPD","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"XGP3RDO5","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:9c22cac3b62f185c3f28c424633b50a5b0aee7cbc177d25ab1990a09d05db8ba","target":"graph","created_at":"2026-05-18T00:38:57Z","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":"Double parton scattering in proton-proton collisions includes kinematic regions in which two partons inside a proton originate from the perturbative splitting of a single parton. This leads to a double counting problem between single and double hard scattering. We present a solution to this problem, which allows for the definition of double parton distributions as operator matrix elements in a proton, and which can be used at higher orders in perturbation theory. We show how the evaluation of double hard scattering in this framework can provide a rough estimate for the size of the higher-order","authors_text":"Jonathan R. Gaunt, Kay Sch\\\"onwald, Markus Diehl","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-02-21T17:28:20Z","title":"Double hard scattering without double counting"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.06486","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":"sha256:4ab1df9ecea3252beee73b3c7f58562fbf0acea911fa656f9c58980062fa674e","target":"record","created_at":"2026-05-18T00:38:57Z","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":"639b2ac42aff58520a929da6fed59fbd42d3544d39f9bd5eaa84cbca9d2c8888","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-02-21T17:28:20Z","title_canon_sha256":"a652b5f3e5cfd4a76c61a9e4fd6176ced7c5d50a2552969ecaa8627ec21df8b0"},"schema_version":"1.0","source":{"id":"1702.06486","kind":"arxiv","version":2}},"canonical_sha256":"b99fb88ddd578c2d35e327e7ef2059f7ec8fc8c41913fb86dc6db48cdd59a25e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b99fb88ddd578c2d35e327e7ef2059f7ec8fc8c41913fb86dc6db48cdd59a25e","first_computed_at":"2026-05-18T00:38:57.406046Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:57.406046Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AC/OS51uOZYJBehUp3SVkSRURdgjYBIwvR0dLWyb5gx2aWZ7H+5j3tXLTuEiXX0nnieK0amM5n2BuKbufN7zDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:57.406669Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.06486","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4ab1df9ecea3252beee73b3c7f58562fbf0acea911fa656f9c58980062fa674e","sha256:9c22cac3b62f185c3f28c424633b50a5b0aee7cbc177d25ab1990a09d05db8ba"],"state_sha256":"7b21e7ae9d06af2d2bbfeb253f6e701b46041c17e34b039fbe2b4809f443a91d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"17EtuzQL8Yc10W9JeUO5rkwVJ3zsrVs2l7LezfgAlSY276/6d/dLxIEU4eQaEqqLmg+Ds08t89qJb6msikQrAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T10:40:54.811071Z","bundle_sha256":"ffcc8a651865bc099fd5c349e7f6a44a8b0543d09af98f1851cc7e3269d511f8"}}