{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:EUMEL4VQYE2QV3LS6NOJKM2VZQ","short_pith_number":"pith:EUMEL4VQ","canonical_record":{"source":{"id":"1901.07808","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-01-23T10:41:16Z","cross_cats_sorted":[],"title_canon_sha256":"f89e87c2c61328e760f0b3a93aee530dd85fde54cdf426a59c02082acb478d82","abstract_canon_sha256":"9af1c6149cb57be788368a84bd9e288a8709cbf99a8af317ba5bba1ddf0d38a4"},"schema_version":"1.0"},"canonical_sha256":"251845f2b0c1350aed72f35c953355cc1197c548a0decab2218070b4653e9164","source":{"kind":"arxiv","id":"1901.07808","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.07808","created_at":"2026-07-05T02:16:40Z"},{"alias_kind":"arxiv_version","alias_value":"1901.07808v3","created_at":"2026-07-05T02:16:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.07808","created_at":"2026-07-05T02:16:40Z"},{"alias_kind":"pith_short_12","alias_value":"EUMEL4VQYE2Q","created_at":"2026-07-05T02:16:40Z"},{"alias_kind":"pith_short_16","alias_value":"EUMEL4VQYE2QV3LS","created_at":"2026-07-05T02:16:40Z"},{"alias_kind":"pith_short_8","alias_value":"EUMEL4VQ","created_at":"2026-07-05T02:16:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:EUMEL4VQYE2QV3LS6NOJKM2VZQ","target":"record","payload":{"canonical_record":{"source":{"id":"1901.07808","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-01-23T10:41:16Z","cross_cats_sorted":[],"title_canon_sha256":"f89e87c2c61328e760f0b3a93aee530dd85fde54cdf426a59c02082acb478d82","abstract_canon_sha256":"9af1c6149cb57be788368a84bd9e288a8709cbf99a8af317ba5bba1ddf0d38a4"},"schema_version":"1.0"},"canonical_sha256":"251845f2b0c1350aed72f35c953355cc1197c548a0decab2218070b4653e9164","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:16:40.948654Z","signature_b64":"LksXDcru7nZ3cInHMwLYQCnUlfY59kkkQRTIeKAZpdmZnuXY7X6908YAGt0B0jCx83Z3ll3wBAP7yzMHUhhEBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"251845f2b0c1350aed72f35c953355cc1197c548a0decab2218070b4653e9164","last_reissued_at":"2026-07-05T02:16:40.948240Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:16:40.948240Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.07808","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":"2026-07-05T02:16:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k0bQDgBT2WN5D9fiwBlRFfOhMahXK82VPVrtKklELNZjMSDNm0SP7Yti1nvFOV0GkHZkbC0GRLS408AzmFWqCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T00:03:52.807725Z"},"content_sha256":"ce4a494a7a1ffe99c4cec69c8f55671ebd3dc502ddd51a20985e0cda61e9e549","schema_version":"1.0","event_id":"sha256:ce4a494a7a1ffe99c4cec69c8f55671ebd3dc502ddd51a20985e0cda61e9e549"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:EUMEL4VQYE2QV3LS6NOJKM2VZQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"FIRE6: Feynman Integral REduction with Modular Arithmetic","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A.V. Smirnov, F.S. Chukharev","submitted_at":"2019-01-23T10:41:16Z","abstract_excerpt":"FIRE is a program performing reduction of Feynman integrals to master integrals. The C++ version of FIRE was presented in 2014. There have been multiple changes and upgrades since then including the possibility to use multiple computers for one reduction task and to perform reduction with modular arithmetic. The goal of this paper is to present the current version of FIRE."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.07808","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/1901.07808/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":"2026-07-05T02:16:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pbBJ5qLbeseUflY8ChreftcSjgQ+re9Tb0khibw6QECKq/xr3yVRANSLPeb3/r1iLB3E1kclWkH+O+DQjrj5Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T00:03:52.808389Z"},"content_sha256":"360113bb2458bfd161f37bb96935892433de5fcc37f9b8137cfb28c34674c2c6","schema_version":"1.0","event_id":"sha256:360113bb2458bfd161f37bb96935892433de5fcc37f9b8137cfb28c34674c2c6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EUMEL4VQYE2QV3LS6NOJKM2VZQ/bundle.json","state_url":"https://pith.science/pith/EUMEL4VQYE2QV3LS6NOJKM2VZQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EUMEL4VQYE2QV3LS6NOJKM2VZQ/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":"2026-08-05T00:03:52Z","links":{"resolver":"https://pith.science/pith/EUMEL4VQYE2QV3LS6NOJKM2VZQ","bundle":"https://pith.science/pith/EUMEL4VQYE2QV3LS6NOJKM2VZQ/bundle.json","state":"https://pith.science/pith/EUMEL4VQYE2QV3LS6NOJKM2VZQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EUMEL4VQYE2QV3LS6NOJKM2VZQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:EUMEL4VQYE2QV3LS6NOJKM2VZQ","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":"9af1c6149cb57be788368a84bd9e288a8709cbf99a8af317ba5bba1ddf0d38a4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-01-23T10:41:16Z","title_canon_sha256":"f89e87c2c61328e760f0b3a93aee530dd85fde54cdf426a59c02082acb478d82"},"schema_version":"1.0","source":{"id":"1901.07808","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.07808","created_at":"2026-07-05T02:16:40Z"},{"alias_kind":"arxiv_version","alias_value":"1901.07808v3","created_at":"2026-07-05T02:16:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.07808","created_at":"2026-07-05T02:16:40Z"},{"alias_kind":"pith_short_12","alias_value":"EUMEL4VQYE2Q","created_at":"2026-07-05T02:16:40Z"},{"alias_kind":"pith_short_16","alias_value":"EUMEL4VQYE2QV3LS","created_at":"2026-07-05T02:16:40Z"},{"alias_kind":"pith_short_8","alias_value":"EUMEL4VQ","created_at":"2026-07-05T02:16:40Z"}],"graph_snapshots":[{"event_id":"sha256:360113bb2458bfd161f37bb96935892433de5fcc37f9b8137cfb28c34674c2c6","target":"graph","created_at":"2026-07-05T02:16:40Z","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/1901.07808/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"FIRE is a program performing reduction of Feynman integrals to master integrals. The C++ version of FIRE was presented in 2014. There have been multiple changes and upgrades since then including the possibility to use multiple computers for one reduction task and to perform reduction with modular arithmetic. The goal of this paper is to present the current version of FIRE.","authors_text":"A.V. Smirnov, F.S. Chukharev","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-01-23T10:41:16Z","title":"FIRE6: Feynman Integral REduction with Modular Arithmetic"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.07808","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:ce4a494a7a1ffe99c4cec69c8f55671ebd3dc502ddd51a20985e0cda61e9e549","target":"record","created_at":"2026-07-05T02:16:40Z","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":"9af1c6149cb57be788368a84bd9e288a8709cbf99a8af317ba5bba1ddf0d38a4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-01-23T10:41:16Z","title_canon_sha256":"f89e87c2c61328e760f0b3a93aee530dd85fde54cdf426a59c02082acb478d82"},"schema_version":"1.0","source":{"id":"1901.07808","kind":"arxiv","version":3}},"canonical_sha256":"251845f2b0c1350aed72f35c953355cc1197c548a0decab2218070b4653e9164","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"251845f2b0c1350aed72f35c953355cc1197c548a0decab2218070b4653e9164","first_computed_at":"2026-07-05T02:16:40.948240Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:16:40.948240Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LksXDcru7nZ3cInHMwLYQCnUlfY59kkkQRTIeKAZpdmZnuXY7X6908YAGt0B0jCx83Z3ll3wBAP7yzMHUhhEBg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:16:40.948654Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.07808","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ce4a494a7a1ffe99c4cec69c8f55671ebd3dc502ddd51a20985e0cda61e9e549","sha256:360113bb2458bfd161f37bb96935892433de5fcc37f9b8137cfb28c34674c2c6"],"state_sha256":"0511bb6427ab7c4129b09607db63f19eae61d2a774d4728d7125e582ca33213e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CNjl6TPtXxKq0hGIMv304/NPhybj0wbJgOUo55yBkqWk8Bb/ZtR3RPYqWrm2WsmBI7BSeNGxTAVaTT3MyCguBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T00:03:52.812562Z","bundle_sha256":"b4498a22722523375ffac858eb5cc5bf82402fc68b708ac5c0c6aef59adbc6b9"}}