{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:UNX3BT533BBL7IQGVTMEQ4LVEF","short_pith_number":"pith:UNX3BT53","canonical_record":{"source":{"id":"hep-ph/0102195","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2001-02-15T17:09:04Z","cross_cats_sorted":[],"title_canon_sha256":"21750b81f07184eaf9a1478275d9bd5a9f5f086780fe7a9a0755e413a142b99e","abstract_canon_sha256":"17f8e237f2295e905428080708e0cb77d55f076dd39c63ca07eb3e8ae60969ef"},"schema_version":"1.0"},"canonical_sha256":"a36fb0cfbbd842bfa206acd848717521732ab0c9a6fb11be20db7d240fa0874f","source":{"kind":"arxiv","id":"hep-ph/0102195","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0102195","created_at":"2026-07-04T14:27:48Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0102195v1","created_at":"2026-07-04T14:27:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0102195","created_at":"2026-07-04T14:27:48Z"},{"alias_kind":"pith_short_12","alias_value":"UNX3BT533BBL","created_at":"2026-07-04T14:27:48Z"},{"alias_kind":"pith_short_16","alias_value":"UNX3BT533BBL7IQG","created_at":"2026-07-04T14:27:48Z"},{"alias_kind":"pith_short_8","alias_value":"UNX3BT53","created_at":"2026-07-04T14:27:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:UNX3BT533BBL7IQGVTMEQ4LVEF","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0102195","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2001-02-15T17:09:04Z","cross_cats_sorted":[],"title_canon_sha256":"21750b81f07184eaf9a1478275d9bd5a9f5f086780fe7a9a0755e413a142b99e","abstract_canon_sha256":"17f8e237f2295e905428080708e0cb77d55f076dd39c63ca07eb3e8ae60969ef"},"schema_version":"1.0"},"canonical_sha256":"a36fb0cfbbd842bfa206acd848717521732ab0c9a6fb11be20db7d240fa0874f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:27:48.326466Z","signature_b64":"tdHOUyFeF32KACYrKLxF9wetGLxtYBnhKIdhISaRIxJObOZ5dhXhTVwDy8grS8ambjMzVFlpfMNLp7LMl1e+Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a36fb0cfbbd842bfa206acd848717521732ab0c9a6fb11be20db7d240fa0874f","last_reissued_at":"2026-07-04T14:27:48.326047Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:27:48.326047Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0102195","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T14:27:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p9xhCAWtPfra+KXLtHdqdoCMk96LvdbybRLgV639y7m7iY2LQP4l7A8SIH5LWl73/bpblNFTCEF3/1dUIOV4Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:44:49.630312Z"},"content_sha256":"8801b26c29a3585e762f42f939d0f510062a1ac1ecd7872c54ee77d458bb2b2d","schema_version":"1.0","event_id":"sha256:8801b26c29a3585e762f42f939d0f510062a1ac1ecd7872c54ee77d458bb2b2d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:UNX3BT533BBL7IQGVTMEQ4LVEF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"O'Mega: An Optimizing Matrix Element Generator","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Juergen Reuter (TU Darmstadt), Mauro Moretti (Univ. di Ferrara & INFN Ferrara), Thorsten Ohl","submitted_at":"2001-02-15T17:09:04Z","abstract_excerpt":"We sketch the architecture of O'Mega, a new optimizing compiler for tree amplitudes in quantum field theory, and briefly describe its usage. O'Mega generates the most efficient code currently available for scattering amplitudes for many polarized particles in the Standard Model and its extensions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0102195","kind":"arxiv","version":1},"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/hep-ph/0102195/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":"2026-07-04T14:27:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZUUyUZJPyH2IYCffQS/0rq/DlxBO1ZZAgmsqcsKgrBFjMmThZYOPYAITV4tiWE+QH28bd89UtabSsfZWOyrGBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T15:44:49.630960Z"},"content_sha256":"dfe3bd61c2c69046d69468fe7e7291ff60b715254f61719ce998b4303fa66f29","schema_version":"1.0","event_id":"sha256:dfe3bd61c2c69046d69468fe7e7291ff60b715254f61719ce998b4303fa66f29"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UNX3BT533BBL7IQGVTMEQ4LVEF/bundle.json","state_url":"https://pith.science/pith/UNX3BT533BBL7IQGVTMEQ4LVEF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UNX3BT533BBL7IQGVTMEQ4LVEF/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":"2026-07-05T15:44:49Z","links":{"resolver":"https://pith.science/pith/UNX3BT533BBL7IQGVTMEQ4LVEF","bundle":"https://pith.science/pith/UNX3BT533BBL7IQGVTMEQ4LVEF/bundle.json","state":"https://pith.science/pith/UNX3BT533BBL7IQGVTMEQ4LVEF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UNX3BT533BBL7IQGVTMEQ4LVEF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:UNX3BT533BBL7IQGVTMEQ4LVEF","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":"17f8e237f2295e905428080708e0cb77d55f076dd39c63ca07eb3e8ae60969ef","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2001-02-15T17:09:04Z","title_canon_sha256":"21750b81f07184eaf9a1478275d9bd5a9f5f086780fe7a9a0755e413a142b99e"},"schema_version":"1.0","source":{"id":"hep-ph/0102195","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0102195","created_at":"2026-07-04T14:27:48Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0102195v1","created_at":"2026-07-04T14:27:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0102195","created_at":"2026-07-04T14:27:48Z"},{"alias_kind":"pith_short_12","alias_value":"UNX3BT533BBL","created_at":"2026-07-04T14:27:48Z"},{"alias_kind":"pith_short_16","alias_value":"UNX3BT533BBL7IQG","created_at":"2026-07-04T14:27:48Z"},{"alias_kind":"pith_short_8","alias_value":"UNX3BT53","created_at":"2026-07-04T14:27:48Z"}],"graph_snapshots":[{"event_id":"sha256:dfe3bd61c2c69046d69468fe7e7291ff60b715254f61719ce998b4303fa66f29","target":"graph","created_at":"2026-07-04T14:27:48Z","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/hep-ph/0102195/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We sketch the architecture of O'Mega, a new optimizing compiler for tree amplitudes in quantum field theory, and briefly describe its usage. O'Mega generates the most efficient code currently available for scattering amplitudes for many polarized particles in the Standard Model and its extensions.","authors_text":"Juergen Reuter (TU Darmstadt), Mauro Moretti (Univ. di Ferrara & INFN Ferrara), Thorsten Ohl","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2001-02-15T17:09:04Z","title":"O'Mega: An Optimizing Matrix Element Generator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0102195","kind":"arxiv","version":1},"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":"sha256:8801b26c29a3585e762f42f939d0f510062a1ac1ecd7872c54ee77d458bb2b2d","target":"record","created_at":"2026-07-04T14:27:48Z","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":"17f8e237f2295e905428080708e0cb77d55f076dd39c63ca07eb3e8ae60969ef","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2001-02-15T17:09:04Z","title_canon_sha256":"21750b81f07184eaf9a1478275d9bd5a9f5f086780fe7a9a0755e413a142b99e"},"schema_version":"1.0","source":{"id":"hep-ph/0102195","kind":"arxiv","version":1}},"canonical_sha256":"a36fb0cfbbd842bfa206acd848717521732ab0c9a6fb11be20db7d240fa0874f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a36fb0cfbbd842bfa206acd848717521732ab0c9a6fb11be20db7d240fa0874f","first_computed_at":"2026-07-04T14:27:48.326047Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:27:48.326047Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tdHOUyFeF32KACYrKLxF9wetGLxtYBnhKIdhISaRIxJObOZ5dhXhTVwDy8grS8ambjMzVFlpfMNLp7LMl1e+Cg==","signature_status":"signed_v1","signed_at":"2026-07-04T14:27:48.326466Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0102195","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8801b26c29a3585e762f42f939d0f510062a1ac1ecd7872c54ee77d458bb2b2d","sha256:dfe3bd61c2c69046d69468fe7e7291ff60b715254f61719ce998b4303fa66f29"],"state_sha256":"c454954f06e1af89bb63456c4a4b3a40570062e5729e7bdb2e0d7b934ed92564"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s2foSUQtx2ESSEfSP0Qf7rDGr11WZ0Fanx5o/s/+WOCzG/lP0IXfnw6gzba0eYqUgSxu8zmxobgrrdQN+4pECA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T15:44:49.633915Z","bundle_sha256":"9adcfb163862725e7631fb3f11ab27a1bf1d8cbfe004d0e0f0a86b46a911de13"}}