{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:3ZHOBTOFV45YNQHFBCYE5UXI5K","short_pith_number":"pith:3ZHOBTOF","canonical_record":{"source":{"id":"2203.13923","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-03-25T21:54:54Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"4597596cb10c71e43133dbd0dea46c5f690fbd83fbd2a33b7f23fdfa6316a779","abstract_canon_sha256":"16c6e8d0d62048f1f6a73b5834c874c7feba35558c6b7bbf22adb7fa984dcfa7"},"schema_version":"1.0"},"canonical_sha256":"de4ee0cdc5af3b86c0e508b04ed2e8eaa31775a43af586514b767465ef49242c","source":{"kind":"arxiv","id":"2203.13923","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.13923","created_at":"2026-07-05T05:58:15Z"},{"alias_kind":"arxiv_version","alias_value":"2203.13923v3","created_at":"2026-07-05T05:58:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.13923","created_at":"2026-07-05T05:58:15Z"},{"alias_kind":"pith_short_12","alias_value":"3ZHOBTOFV45Y","created_at":"2026-07-05T05:58:15Z"},{"alias_kind":"pith_short_16","alias_value":"3ZHOBTOFV45YNQHF","created_at":"2026-07-05T05:58:15Z"},{"alias_kind":"pith_short_8","alias_value":"3ZHOBTOF","created_at":"2026-07-05T05:58:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:3ZHOBTOFV45YNQHFBCYE5UXI5K","target":"record","payload":{"canonical_record":{"source":{"id":"2203.13923","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-03-25T21:54:54Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"4597596cb10c71e43133dbd0dea46c5f690fbd83fbd2a33b7f23fdfa6316a779","abstract_canon_sha256":"16c6e8d0d62048f1f6a73b5834c874c7feba35558c6b7bbf22adb7fa984dcfa7"},"schema_version":"1.0"},"canonical_sha256":"de4ee0cdc5af3b86c0e508b04ed2e8eaa31775a43af586514b767465ef49242c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:58:15.678815Z","signature_b64":"HANejO7hxeBkoTWuBwHQKe7oL10cYbo99yozMVtZFnvJQ16duXiZ7tb+1KOYQa52jhk1etbO2cXJ1BtiUxlIAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"de4ee0cdc5af3b86c0e508b04ed2e8eaa31775a43af586514b767465ef49242c","last_reissued_at":"2026-07-05T05:58:15.678295Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:58:15.678295Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2203.13923","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":"2026-07-05T05:58:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oID/q7AhT9dmgz9HDKtvrC3+CV4p9k22eY/J5qeOkh79Uo9bufZlvdHFUwhfMIZzHlaa4UKm8aAK73DBGuusDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T03:39:05.011845Z"},"content_sha256":"28280610e2fb1e14c506943d03b51f1c0c9f59e8da85b29e39addb99cb7feab4","schema_version":"1.0","event_id":"sha256:28280610e2fb1e14c506943d03b51f1c0c9f59e8da85b29e39addb99cb7feab4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:3ZHOBTOFV45YNQHFBCYE5UXI5K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Snowmass 2021 whitepaper: Proton structure at the precision frontier","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"A. Apyan, A. Buckley, A. Candido, A. Courtoy, A. Huss, A.M. Cooper-Sarkar, A. Siodmok, B. Malaescu, B. Mistlberger, B. Zhou, C. Bissolotti, C. Gwenlan, C. Loizides, C.-P. Yuan, C. Schwan, D. Britzger, D.E. Soper, E.R. Nocera, F.G. Celiberto, F. Giuli, F. Hekhorn, F.I. Olness, F. Petriello, G. Bozzi, G. Chachamis, G.K. Krintiras, G. Magni, G. Schnell, G. Vita, H.-W. Lin, J. Bluemlein, J. Huston, J. H. Weber, J. Jalilian-Marian, J.M. Cruz-Martinez, J. Pires, J. Rojo, K. Rabbertz, K. Xie, L.A. Harland-Lang, M. Guzzi, M. Klein, M. Sutton, M. Ubiali, N. Armesto, P.M. Nadolsky, R. Boughezal, R.D. Ball, R.S. Thorne, S. Amoroso, S. Carrazza, S. Cerci, S. Hoeche, S. Moch, T. Cridge, T.J. Hobbs, V. Bertone","submitted_at":"2022-03-25T21:54:54Z","abstract_excerpt":"An overwhelming number of theoretical predictions for hadron colliders require parton distribution functions (PDFs), which are an important ingredient of theory infrastructure for the next generation of high-energy experiments. This whitepaper summarizes the status and future prospects for determination of high-precision PDFs applicable in a wide range of energies and experiments, in particular in precision tests of the Standard Model and in new physics searches at the high-luminosity Large Hadron Collider and Electron-Ion Collider. We discuss the envisioned advancements in experimental measur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.13923","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2203.13923/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":"2026-07-05T05:58:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4yoZHleArffEBcyxoKWBNafEySinzUFSHCVnCL1E+62uzkrjW6da/XnkEMd/2Zy2MwHHKuk7UGgS/gvf+N/RDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T03:39:05.012356Z"},"content_sha256":"beb8852221f7fc98f333891c00a2b56c4cf1a9cc9255171411e19f7017b721a6","schema_version":"1.0","event_id":"sha256:beb8852221f7fc98f333891c00a2b56c4cf1a9cc9255171411e19f7017b721a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3ZHOBTOFV45YNQHFBCYE5UXI5K/bundle.json","state_url":"https://pith.science/pith/3ZHOBTOFV45YNQHFBCYE5UXI5K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3ZHOBTOFV45YNQHFBCYE5UXI5K/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":"2026-08-07T03:39:05Z","links":{"resolver":"https://pith.science/pith/3ZHOBTOFV45YNQHFBCYE5UXI5K","bundle":"https://pith.science/pith/3ZHOBTOFV45YNQHFBCYE5UXI5K/bundle.json","state":"https://pith.science/pith/3ZHOBTOFV45YNQHFBCYE5UXI5K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3ZHOBTOFV45YNQHFBCYE5UXI5K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:3ZHOBTOFV45YNQHFBCYE5UXI5K","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":"16c6e8d0d62048f1f6a73b5834c874c7feba35558c6b7bbf22adb7fa984dcfa7","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-03-25T21:54:54Z","title_canon_sha256":"4597596cb10c71e43133dbd0dea46c5f690fbd83fbd2a33b7f23fdfa6316a779"},"schema_version":"1.0","source":{"id":"2203.13923","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.13923","created_at":"2026-07-05T05:58:15Z"},{"alias_kind":"arxiv_version","alias_value":"2203.13923v3","created_at":"2026-07-05T05:58:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.13923","created_at":"2026-07-05T05:58:15Z"},{"alias_kind":"pith_short_12","alias_value":"3ZHOBTOFV45Y","created_at":"2026-07-05T05:58:15Z"},{"alias_kind":"pith_short_16","alias_value":"3ZHOBTOFV45YNQHF","created_at":"2026-07-05T05:58:15Z"},{"alias_kind":"pith_short_8","alias_value":"3ZHOBTOF","created_at":"2026-07-05T05:58:15Z"}],"graph_snapshots":[{"event_id":"sha256:beb8852221f7fc98f333891c00a2b56c4cf1a9cc9255171411e19f7017b721a6","target":"graph","created_at":"2026-07-05T05:58:15Z","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/2203.13923/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"An overwhelming number of theoretical predictions for hadron colliders require parton distribution functions (PDFs), which are an important ingredient of theory infrastructure for the next generation of high-energy experiments. This whitepaper summarizes the status and future prospects for determination of high-precision PDFs applicable in a wide range of energies and experiments, in particular in precision tests of the Standard Model and in new physics searches at the high-luminosity Large Hadron Collider and Electron-Ion Collider. We discuss the envisioned advancements in experimental measur","authors_text":"A. Apyan, A. Buckley, A. Candido, A. Courtoy, A. Huss, A.M. Cooper-Sarkar, A. Siodmok, B. Malaescu, B. Mistlberger, B. Zhou, C. Bissolotti, C. Gwenlan, C. Loizides, C.-P. Yuan, C. Schwan, D. Britzger, D.E. Soper, E.R. Nocera, F.G. Celiberto, F. Giuli, F. Hekhorn, F.I. Olness, F. Petriello, G. Bozzi, G. Chachamis, G.K. Krintiras, G. Magni, G. Schnell, G. Vita, H.-W. Lin, J. Bluemlein, J. Huston, J. H. Weber, J. Jalilian-Marian, J.M. Cruz-Martinez, J. Pires, J. Rojo, K. Rabbertz, K. Xie, L.A. Harland-Lang, M. Guzzi, M. Klein, M. Sutton, M. Ubiali, N. Armesto, P.M. Nadolsky, R. Boughezal, R.D. Ball, R.S. Thorne, S. Amoroso, S. Carrazza, S. Cerci, S. Hoeche, S. Moch, T. Cridge, T.J. Hobbs, V. Bertone","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-03-25T21:54:54Z","title":"Snowmass 2021 whitepaper: Proton structure at the precision frontier"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.13923","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":"sha256:28280610e2fb1e14c506943d03b51f1c0c9f59e8da85b29e39addb99cb7feab4","target":"record","created_at":"2026-07-05T05:58:15Z","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":"16c6e8d0d62048f1f6a73b5834c874c7feba35558c6b7bbf22adb7fa984dcfa7","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-03-25T21:54:54Z","title_canon_sha256":"4597596cb10c71e43133dbd0dea46c5f690fbd83fbd2a33b7f23fdfa6316a779"},"schema_version":"1.0","source":{"id":"2203.13923","kind":"arxiv","version":3}},"canonical_sha256":"de4ee0cdc5af3b86c0e508b04ed2e8eaa31775a43af586514b767465ef49242c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"de4ee0cdc5af3b86c0e508b04ed2e8eaa31775a43af586514b767465ef49242c","first_computed_at":"2026-07-05T05:58:15.678295Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:58:15.678295Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HANejO7hxeBkoTWuBwHQKe7oL10cYbo99yozMVtZFnvJQ16duXiZ7tb+1KOYQa52jhk1etbO2cXJ1BtiUxlIAw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:58:15.678815Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.13923","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:28280610e2fb1e14c506943d03b51f1c0c9f59e8da85b29e39addb99cb7feab4","sha256:beb8852221f7fc98f333891c00a2b56c4cf1a9cc9255171411e19f7017b721a6"],"state_sha256":"cd12156742d31a30ff3d58874465d0bc8be28caeb50e2b768928955b7864d60b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bnlTuJiCELdrVTI0z8pCzdkFGT8nU0xaG8NJttDcw39m9itzY3/eSoR/7qfHRMm+yjF2LvuQWOtMcTZ3apwzCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T03:39:05.016571Z","bundle_sha256":"e8f4d04f5122a3f2252a08844e16bde526ab132097c0dbe2f39d1702037ba603"}}