{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:QHVFKMHG747CYWBCUK7B4LRW7Y","short_pith_number":"pith:QHVFKMHG","canonical_record":{"source":{"id":"2012.01574","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-12-02T22:20:24Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"595444bde908f19c4874fc2df64519c9d22ba49e61b9d0ab58e53b76bdb05096","abstract_canon_sha256":"8d281b01279750d54790bdfcf8c1905b19a3ab50cd61ac0763a8570ca80dabd4"},"schema_version":"1.0"},"canonical_sha256":"81ea5530e6ff3e2c5822a2be1e2e36fe013a8daf88f95b34d818c62f06e89443","source":{"kind":"arxiv","id":"2012.01574","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.01574","created_at":"2026-07-05T02:16:16Z"},{"alias_kind":"arxiv_version","alias_value":"2012.01574v2","created_at":"2026-07-05T02:16:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.01574","created_at":"2026-07-05T02:16:16Z"},{"alias_kind":"pith_short_12","alias_value":"QHVFKMHG747C","created_at":"2026-07-05T02:16:16Z"},{"alias_kind":"pith_short_16","alias_value":"QHVFKMHG747CYWBC","created_at":"2026-07-05T02:16:16Z"},{"alias_kind":"pith_short_8","alias_value":"QHVFKMHG","created_at":"2026-07-05T02:16:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:QHVFKMHG747CYWBCUK7B4LRW7Y","target":"record","payload":{"canonical_record":{"source":{"id":"2012.01574","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-12-02T22:20:24Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"595444bde908f19c4874fc2df64519c9d22ba49e61b9d0ab58e53b76bdb05096","abstract_canon_sha256":"8d281b01279750d54790bdfcf8c1905b19a3ab50cd61ac0763a8570ca80dabd4"},"schema_version":"1.0"},"canonical_sha256":"81ea5530e6ff3e2c5822a2be1e2e36fe013a8daf88f95b34d818c62f06e89443","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:16:16.497268Z","signature_b64":"O0IetlC1NXPxvVGlreVaonK8oK/BrDZGTyinGa3KU4BvLtGYv2478/oUJnPrSgML0LR5M4RQTyIj5bcESX4FCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81ea5530e6ff3e2c5822a2be1e2e36fe013a8daf88f95b34d818c62f06e89443","last_reissued_at":"2026-07-05T02:16:16.496655Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:16:16.496655Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.01574","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":"2026-07-05T02:16:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zNXHOXtendiE5dTJpl060DpLVuhoILCgYjZEqtIoB2uHDPWDRqcORe0/Zeu8eaFsrP+40W8xCJn56A/E6AE1CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T23:05:22.575857Z"},"content_sha256":"052c94b4784477cfa22acb5528abfed2ed9ca2ede98f7d5e258ebe5edbff1b07","schema_version":"1.0","event_id":"sha256:052c94b4784477cfa22acb5528abfed2ed9ca2ede98f7d5e258ebe5edbff1b07"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:QHVFKMHG747CYWBCUK7B4LRW7Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Single-top-quark production in the $t$-channel at NNLO","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"John Campbell, Tobias Neumann, Zack Sullivan","submitted_at":"2020-12-02T22:20:24Z","abstract_excerpt":"We present a calculation of t-channel single-top-quark production and decay in the five-flavor scheme at NNLO. Our results resolve a disagreement between two previous calculations of this process that found a difference in the inclusive cross section at the level of the NNLO coefficient itself. We compare in detail with the previous calculations at the inclusive, differential and fiducial level including b-quark tagging at a fixed scale $\\mu=m_t$. In addition, we advocate the use of double deep inelastic scattering (DDIS) scales ($\\mu^2=Q^2$ for the light-quark line and $\\mu^2=Q^2+m_t^2$ for t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.01574","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/2012.01574/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":"2026-07-05T02:16:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fBuYap2LU0elMrV/Pwx5Fi064ujF3eqyKW3rH7ktX6P3PjsNpIhniueZ8o8mT5xt2lTw0Z82yC9Qwse5dFIuAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T23:05:22.576785Z"},"content_sha256":"18deb284ecc70b5764ca75f9c0e820da749dfec7a5fff8b2d18d476650f38c18","schema_version":"1.0","event_id":"sha256:18deb284ecc70b5764ca75f9c0e820da749dfec7a5fff8b2d18d476650f38c18"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QHVFKMHG747CYWBCUK7B4LRW7Y/bundle.json","state_url":"https://pith.science/pith/QHVFKMHG747CYWBCUK7B4LRW7Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QHVFKMHG747CYWBCUK7B4LRW7Y/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":"2026-08-04T23:05:22Z","links":{"resolver":"https://pith.science/pith/QHVFKMHG747CYWBCUK7B4LRW7Y","bundle":"https://pith.science/pith/QHVFKMHG747CYWBCUK7B4LRW7Y/bundle.json","state":"https://pith.science/pith/QHVFKMHG747CYWBCUK7B4LRW7Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QHVFKMHG747CYWBCUK7B4LRW7Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:QHVFKMHG747CYWBCUK7B4LRW7Y","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":"8d281b01279750d54790bdfcf8c1905b19a3ab50cd61ac0763a8570ca80dabd4","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-12-02T22:20:24Z","title_canon_sha256":"595444bde908f19c4874fc2df64519c9d22ba49e61b9d0ab58e53b76bdb05096"},"schema_version":"1.0","source":{"id":"2012.01574","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.01574","created_at":"2026-07-05T02:16:16Z"},{"alias_kind":"arxiv_version","alias_value":"2012.01574v2","created_at":"2026-07-05T02:16:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.01574","created_at":"2026-07-05T02:16:16Z"},{"alias_kind":"pith_short_12","alias_value":"QHVFKMHG747C","created_at":"2026-07-05T02:16:16Z"},{"alias_kind":"pith_short_16","alias_value":"QHVFKMHG747CYWBC","created_at":"2026-07-05T02:16:16Z"},{"alias_kind":"pith_short_8","alias_value":"QHVFKMHG","created_at":"2026-07-05T02:16:16Z"}],"graph_snapshots":[{"event_id":"sha256:18deb284ecc70b5764ca75f9c0e820da749dfec7a5fff8b2d18d476650f38c18","target":"graph","created_at":"2026-07-05T02:16:16Z","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/2012.01574/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a calculation of t-channel single-top-quark production and decay in the five-flavor scheme at NNLO. Our results resolve a disagreement between two previous calculations of this process that found a difference in the inclusive cross section at the level of the NNLO coefficient itself. We compare in detail with the previous calculations at the inclusive, differential and fiducial level including b-quark tagging at a fixed scale $\\mu=m_t$. In addition, we advocate the use of double deep inelastic scattering (DDIS) scales ($\\mu^2=Q^2$ for the light-quark line and $\\mu^2=Q^2+m_t^2$ for t","authors_text":"John Campbell, Tobias Neumann, Zack Sullivan","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-12-02T22:20:24Z","title":"Single-top-quark production in the $t$-channel at NNLO"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.01574","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":"sha256:052c94b4784477cfa22acb5528abfed2ed9ca2ede98f7d5e258ebe5edbff1b07","target":"record","created_at":"2026-07-05T02:16:16Z","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":"8d281b01279750d54790bdfcf8c1905b19a3ab50cd61ac0763a8570ca80dabd4","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-12-02T22:20:24Z","title_canon_sha256":"595444bde908f19c4874fc2df64519c9d22ba49e61b9d0ab58e53b76bdb05096"},"schema_version":"1.0","source":{"id":"2012.01574","kind":"arxiv","version":2}},"canonical_sha256":"81ea5530e6ff3e2c5822a2be1e2e36fe013a8daf88f95b34d818c62f06e89443","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81ea5530e6ff3e2c5822a2be1e2e36fe013a8daf88f95b34d818c62f06e89443","first_computed_at":"2026-07-05T02:16:16.496655Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:16:16.496655Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O0IetlC1NXPxvVGlreVaonK8oK/BrDZGTyinGa3KU4BvLtGYv2478/oUJnPrSgML0LR5M4RQTyIj5bcESX4FCw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:16:16.497268Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.01574","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:052c94b4784477cfa22acb5528abfed2ed9ca2ede98f7d5e258ebe5edbff1b07","sha256:18deb284ecc70b5764ca75f9c0e820da749dfec7a5fff8b2d18d476650f38c18"],"state_sha256":"b749fc3351f928e7ac9c296c2f633513aeaff46bf92424f29ef9ed37fd3d2d1c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Usf7QKeFn2OaFWuNFDLkLBXp+f/7d5yGeWHdHNPY+o4eJert6LtOx+PwLgLJHtdocxiEwGcCGJoeAHSmNCI5DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T23:05:22.583285Z","bundle_sha256":"8365edc0a971823148f9e22677fca4da9a9f062cbc2ca1fa730278000f3105aa"}}