{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:DM26PFQ5OT5DFQIRWWVD2D22LJ","short_pith_number":"pith:DM26PFQ5","canonical_record":{"source":{"id":"1201.2782","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-01-13T09:54:35Z","cross_cats_sorted":[],"title_canon_sha256":"aae1a076906627361247ea8e4fda202438ebe5a8299e0f6720615570b8c1d9de","abstract_canon_sha256":"4abdcbe0e14c5d3360d14945bde42294a95f61f30f6d9460b27d4dc1da4df2d5"},"schema_version":"1.0"},"canonical_sha256":"1b35e7961d74fa32c111b5aa3d0f5a5a4e1d5156b7045f76a717d13359b8ad67","source":{"kind":"arxiv","id":"1201.2782","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.2782","created_at":"2026-05-18T04:04:18Z"},{"alias_kind":"arxiv_version","alias_value":"1201.2782v2","created_at":"2026-05-18T04:04:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.2782","created_at":"2026-05-18T04:04:18Z"},{"alias_kind":"pith_short_12","alias_value":"DM26PFQ5OT5D","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"DM26PFQ5OT5DFQIR","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"DM26PFQ5","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:DM26PFQ5OT5DFQIRWWVD2D22LJ","target":"record","payload":{"canonical_record":{"source":{"id":"1201.2782","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-01-13T09:54:35Z","cross_cats_sorted":[],"title_canon_sha256":"aae1a076906627361247ea8e4fda202438ebe5a8299e0f6720615570b8c1d9de","abstract_canon_sha256":"4abdcbe0e14c5d3360d14945bde42294a95f61f30f6d9460b27d4dc1da4df2d5"},"schema_version":"1.0"},"canonical_sha256":"1b35e7961d74fa32c111b5aa3d0f5a5a4e1d5156b7045f76a717d13359b8ad67","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:04:18.458891Z","signature_b64":"PNthRT9um0j4W/i1OjHmEUibtVtvvEOEpldd7KOKg+KZXFtwB5qJRnEHvGWBPciHbgsvp4EQpgTWJa7yz0ToAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b35e7961d74fa32c111b5aa3d0f5a5a4e1d5156b7045f76a717d13359b8ad67","last_reissued_at":"2026-05-18T04:04:18.458191Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:04:18.458191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.2782","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":"2026-05-18T04:04:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G4tcQZ2T7RgayYf7STf4e6To4iYSbDsd+wY/v/Btp2ZZQU8BffMMFzHZHpN4pUNEMrrcAs+OVw8s3xPqOy3HAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:03:34.332285Z"},"content_sha256":"0abe8ca52e4cecc24991779227516ffbbc0d8cd5f39ea63020db7f0817eaa224","schema_version":"1.0","event_id":"sha256:0abe8ca52e4cecc24991779227516ffbbc0d8cd5f39ea63020db7f0817eaa224"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:DM26PFQ5OT5DFQIRWWVD2D22LJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Automated one-loop calculations with GoSam","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"F. Tramontano, G. Cullen, G. Heinrich, G. Luisoni, G. Ossola, N. Greiner, P. Mastrolia, T. Reiter","submitted_at":"2012-01-13T09:54:35Z","abstract_excerpt":"In this talk, the program package GOSAM is presented, which can be used for the automated calculation of one-loop amplitudes for multi-particle processes. The integrands are generated in terms of Feynman diagrams and can be reduced by d-dimensional integrand-level decomposition, or tensor reduction, or a combination of both. Through various examples we show that GOSAM can produce one-loop amplitudes for both QCD and electroweak theory; model files for theories Beyond the Standard Model can be linked as well."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.2782","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":"2026-05-18T04:04:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RFkXb20BZ7B/byDxcA+njIvI8s3crKGjO/JEyp74gFpPvDLIsZ8NgcgjHclqND+6UiwiguJTm1VlXnb5v16EDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:03:34.332979Z"},"content_sha256":"a200f2c2106a2084999a13d247bc91abb5da97b877041bde5056bfa0e8e0b3f4","schema_version":"1.0","event_id":"sha256:a200f2c2106a2084999a13d247bc91abb5da97b877041bde5056bfa0e8e0b3f4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DM26PFQ5OT5DFQIRWWVD2D22LJ/bundle.json","state_url":"https://pith.science/pith/DM26PFQ5OT5DFQIRWWVD2D22LJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DM26PFQ5OT5DFQIRWWVD2D22LJ/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":"2026-05-28T20:03:34Z","links":{"resolver":"https://pith.science/pith/DM26PFQ5OT5DFQIRWWVD2D22LJ","bundle":"https://pith.science/pith/DM26PFQ5OT5DFQIRWWVD2D22LJ/bundle.json","state":"https://pith.science/pith/DM26PFQ5OT5DFQIRWWVD2D22LJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DM26PFQ5OT5DFQIRWWVD2D22LJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:DM26PFQ5OT5DFQIRWWVD2D22LJ","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":"4abdcbe0e14c5d3360d14945bde42294a95f61f30f6d9460b27d4dc1da4df2d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-01-13T09:54:35Z","title_canon_sha256":"aae1a076906627361247ea8e4fda202438ebe5a8299e0f6720615570b8c1d9de"},"schema_version":"1.0","source":{"id":"1201.2782","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.2782","created_at":"2026-05-18T04:04:18Z"},{"alias_kind":"arxiv_version","alias_value":"1201.2782v2","created_at":"2026-05-18T04:04:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.2782","created_at":"2026-05-18T04:04:18Z"},{"alias_kind":"pith_short_12","alias_value":"DM26PFQ5OT5D","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"DM26PFQ5OT5DFQIR","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"DM26PFQ5","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:a200f2c2106a2084999a13d247bc91abb5da97b877041bde5056bfa0e8e0b3f4","target":"graph","created_at":"2026-05-18T04:04:18Z","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":"In this talk, the program package GOSAM is presented, which can be used for the automated calculation of one-loop amplitudes for multi-particle processes. The integrands are generated in terms of Feynman diagrams and can be reduced by d-dimensional integrand-level decomposition, or tensor reduction, or a combination of both. Through various examples we show that GOSAM can produce one-loop amplitudes for both QCD and electroweak theory; model files for theories Beyond the Standard Model can be linked as well.","authors_text":"F. Tramontano, G. Cullen, G. Heinrich, G. Luisoni, G. Ossola, N. Greiner, P. Mastrolia, T. Reiter","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-01-13T09:54:35Z","title":"Automated one-loop calculations with GoSam"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.2782","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":"sha256:0abe8ca52e4cecc24991779227516ffbbc0d8cd5f39ea63020db7f0817eaa224","target":"record","created_at":"2026-05-18T04:04:18Z","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":"4abdcbe0e14c5d3360d14945bde42294a95f61f30f6d9460b27d4dc1da4df2d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-01-13T09:54:35Z","title_canon_sha256":"aae1a076906627361247ea8e4fda202438ebe5a8299e0f6720615570b8c1d9de"},"schema_version":"1.0","source":{"id":"1201.2782","kind":"arxiv","version":2}},"canonical_sha256":"1b35e7961d74fa32c111b5aa3d0f5a5a4e1d5156b7045f76a717d13359b8ad67","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1b35e7961d74fa32c111b5aa3d0f5a5a4e1d5156b7045f76a717d13359b8ad67","first_computed_at":"2026-05-18T04:04:18.458191Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:04:18.458191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PNthRT9um0j4W/i1OjHmEUibtVtvvEOEpldd7KOKg+KZXFtwB5qJRnEHvGWBPciHbgsvp4EQpgTWJa7yz0ToAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:04:18.458891Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.2782","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0abe8ca52e4cecc24991779227516ffbbc0d8cd5f39ea63020db7f0817eaa224","sha256:a200f2c2106a2084999a13d247bc91abb5da97b877041bde5056bfa0e8e0b3f4"],"state_sha256":"d2bda3a206ef4811ef2f1bfb8d91f72436885149d140b66dae61d0577fa26392"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PmtmL6uvS2wZ7aTqxixfdyO3V9dsJdFCxgPNUyBJhdZ69pmIBfo/V0YY1dEX3hq7/EJrYOkJlHfvI4CyRJWRDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T20:03:34.336577Z","bundle_sha256":"41b848d2d16756051aa1894c5019895c9f9f1f3e46b8e389a9112e0acfe9454e"}}