{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:4XKMDGMDQ3JZMG4FSKDLNLLEJB","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":"3e7c6de2f72c066da7758f5445735d8cc14ee79ae836cf0825ea5bc82b8460dd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-05-14T17:04:44Z","title_canon_sha256":"647caa89ea8f7bf7fe4a901252a529eaaf3e8a79ba6882413a3a96e3b4de4c83"},"schema_version":"1.0","source":{"id":"0905.2326","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.2326","created_at":"2026-05-18T02:24:55Z"},{"alias_kind":"arxiv_version","alias_value":"0905.2326v2","created_at":"2026-05-18T02:24:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.2326","created_at":"2026-05-18T02:24:55Z"},{"alias_kind":"pith_short_12","alias_value":"4XKMDGMDQ3JZ","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"4XKMDGMDQ3JZMG4F","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"4XKMDGMD","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:53179bae3f3dbbc0288e8cf7de75922b266248c3836ea9a4bf21ec3af771e72f","target":"graph","created_at":"2026-05-18T02:24:55Z","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":"We describe the construction of the complete four-loop four-particle amplitude of N=8 supergravity. The amplitude is ultraviolet finite, not only in four dimensions, but in five dimensions as well. The observed extra cancellations provide additional non-trivial evidence that N=8 supergravity in four dimensions may be ultraviolet finite to all orders of perturbation theory.","authors_text":"H. Johansson, J. J. Carrasco, L. J. Dixon, R. Roiban, Z. Bern","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-05-14T17:04:44Z","title":"The Ultraviolet Behavior of N=8 Supergravity at Four Loops"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.2326","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":"sha256:3601fbd4d8245958f9d98c00d8a54526ac12cdea116d116281f25231885a25c5","target":"record","created_at":"2026-05-18T02:24:55Z","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":"3e7c6de2f72c066da7758f5445735d8cc14ee79ae836cf0825ea5bc82b8460dd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2009-05-14T17:04:44Z","title_canon_sha256":"647caa89ea8f7bf7fe4a901252a529eaaf3e8a79ba6882413a3a96e3b4de4c83"},"schema_version":"1.0","source":{"id":"0905.2326","kind":"arxiv","version":2}},"canonical_sha256":"e5d4c1998386d3961b859286b6ad64486fdcbb4ee481a7262a5b0aee8845660a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e5d4c1998386d3961b859286b6ad64486fdcbb4ee481a7262a5b0aee8845660a","first_computed_at":"2026-05-18T02:24:55.739559Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:24:55.739559Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GHlwbWCZGN5ektqAIYmAWje5gGCal4CIksaqAVOZ8e/mW1YSxKgNJHDt6iqDWhu8aw0YqrJyywoQMz0xd+xgAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:24:55.740451Z","signed_message":"canonical_sha256_bytes"},"source_id":"0905.2326","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3601fbd4d8245958f9d98c00d8a54526ac12cdea116d116281f25231885a25c5","sha256:53179bae3f3dbbc0288e8cf7de75922b266248c3836ea9a4bf21ec3af771e72f"],"state_sha256":"4b4f4315dc413159b4b1721d35202be9638498fe5434a9a7e7c0a69ebaf53576"}