{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:QKGN5CIOSZBZ6QYAJNG4KI6RH3","short_pith_number":"pith:QKGN5CIO","canonical_record":{"source":{"id":"hep-th/0212087","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2002-12-07T09:22:35Z","cross_cats_sorted":[],"title_canon_sha256":"c7b2f1d6a84e9dcd991fcb159775ac5bc97a90cada5b725e9e9061756297a5a5","abstract_canon_sha256":"5ea3127ec816f10403b07a9a1ec256628f66a6d2b734bb9ee1c9a55314988f32"},"schema_version":"1.0"},"canonical_sha256":"828cde890e96439f43004b4dc523d13ef28fca842a3542605f65474c411c72fb","source":{"kind":"arxiv","id":"hep-th/0212087","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0212087","created_at":"2026-05-18T02:35:53Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0212087v2","created_at":"2026-05-18T02:35:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0212087","created_at":"2026-05-18T02:35:53Z"},{"alias_kind":"pith_short_12","alias_value":"QKGN5CIOSZBZ","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"QKGN5CIOSZBZ6QYA","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"QKGN5CIO","created_at":"2026-05-18T12:25:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:QKGN5CIOSZBZ6QYAJNG4KI6RH3","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/0212087","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2002-12-07T09:22:35Z","cross_cats_sorted":[],"title_canon_sha256":"c7b2f1d6a84e9dcd991fcb159775ac5bc97a90cada5b725e9e9061756297a5a5","abstract_canon_sha256":"5ea3127ec816f10403b07a9a1ec256628f66a6d2b734bb9ee1c9a55314988f32"},"schema_version":"1.0"},"canonical_sha256":"828cde890e96439f43004b4dc523d13ef28fca842a3542605f65474c411c72fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:35:53.324267Z","signature_b64":"f/SprzzF1GO2bhuqx2aQTxX+Il6GGgsCWJZoaDTrXrlipJGxhJ3cVYs4Xj9K7HbQGZdioUhrMgG0VhIdbvl/BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"828cde890e96439f43004b4dc523d13ef28fca842a3542605f65474c411c72fb","last_reissued_at":"2026-05-18T02:35:53.323748Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:35:53.323748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/0212087","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":"2026-05-18T02:35:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dzjpD5Flbpw8ZAhfC4IjwdlWMmoppRE5tqAjaGvNztQUwuNAYkEnDBHXTmaDnMt/WyvE36szEM0yVhRF2CejCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:48:02.775720Z"},"content_sha256":"b878c87960be66be65fcfd33059622c58d037cd611b4875cf38d8fb9220f6165","schema_version":"1.0","event_id":"sha256:b878c87960be66be65fcfd33059622c58d037cd611b4875cf38d8fb9220f6165"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:QKGN5CIOSZBZ6QYAJNG4KI6RH3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Holographic Protection of Chronology in Universes of the Godel Type","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Edward Boyda, Petr Horava, Surya Ganguli, Uday Varadarajan (Berkeley)","submitted_at":"2002-12-07T09:22:35Z","abstract_excerpt":"We analyze the structure of supersymmetric Godel-like cosmological solutions of string theory. Just as the original four-dimensional Godel universe, these solutions represent rotating, topologically trivial cosmologies with a homogeneous metric and closed timelike curves. First we focus on \"phenomenological\" aspects of holography, and identify the preferred holographic screens associated with inertial comoving observers in Godel universes. We find that holography can serve as a chronology protection agency: The closed timelike curves are either hidden behind the holographic screen, or broken b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0212087","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":"2026-05-18T02:35:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3su7cl/DtAw/X3HWG/bsPYlCqOqM+ZsbLJukWmUJPrN+b6I2pzH70f/xz2cqDwyRacoJXsqrhKsyZLruNH42Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:48:02.776066Z"},"content_sha256":"3e275f1166957f5d1bc78ffb1da0f65c0d1e9755b5e88758e4ffeec1984b41cc","schema_version":"1.0","event_id":"sha256:3e275f1166957f5d1bc78ffb1da0f65c0d1e9755b5e88758e4ffeec1984b41cc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QKGN5CIOSZBZ6QYAJNG4KI6RH3/bundle.json","state_url":"https://pith.science/pith/QKGN5CIOSZBZ6QYAJNG4KI6RH3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QKGN5CIOSZBZ6QYAJNG4KI6RH3/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":"2026-05-28T10:48:02Z","links":{"resolver":"https://pith.science/pith/QKGN5CIOSZBZ6QYAJNG4KI6RH3","bundle":"https://pith.science/pith/QKGN5CIOSZBZ6QYAJNG4KI6RH3/bundle.json","state":"https://pith.science/pith/QKGN5CIOSZBZ6QYAJNG4KI6RH3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QKGN5CIOSZBZ6QYAJNG4KI6RH3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:QKGN5CIOSZBZ6QYAJNG4KI6RH3","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":"5ea3127ec816f10403b07a9a1ec256628f66a6d2b734bb9ee1c9a55314988f32","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2002-12-07T09:22:35Z","title_canon_sha256":"c7b2f1d6a84e9dcd991fcb159775ac5bc97a90cada5b725e9e9061756297a5a5"},"schema_version":"1.0","source":{"id":"hep-th/0212087","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0212087","created_at":"2026-05-18T02:35:53Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0212087v2","created_at":"2026-05-18T02:35:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0212087","created_at":"2026-05-18T02:35:53Z"},{"alias_kind":"pith_short_12","alias_value":"QKGN5CIOSZBZ","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"QKGN5CIOSZBZ6QYA","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"QKGN5CIO","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:3e275f1166957f5d1bc78ffb1da0f65c0d1e9755b5e88758e4ffeec1984b41cc","target":"graph","created_at":"2026-05-18T02:35:53Z","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 analyze the structure of supersymmetric Godel-like cosmological solutions of string theory. Just as the original four-dimensional Godel universe, these solutions represent rotating, topologically trivial cosmologies with a homogeneous metric and closed timelike curves. First we focus on \"phenomenological\" aspects of holography, and identify the preferred holographic screens associated with inertial comoving observers in Godel universes. We find that holography can serve as a chronology protection agency: The closed timelike curves are either hidden behind the holographic screen, or broken b","authors_text":"Edward Boyda, Petr Horava, Surya Ganguli, Uday Varadarajan (Berkeley)","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"2002-12-07T09:22:35Z","title":"Holographic Protection of Chronology in Universes of the Godel Type"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0212087","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:b878c87960be66be65fcfd33059622c58d037cd611b4875cf38d8fb9220f6165","target":"record","created_at":"2026-05-18T02:35:53Z","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":"5ea3127ec816f10403b07a9a1ec256628f66a6d2b734bb9ee1c9a55314988f32","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2002-12-07T09:22:35Z","title_canon_sha256":"c7b2f1d6a84e9dcd991fcb159775ac5bc97a90cada5b725e9e9061756297a5a5"},"schema_version":"1.0","source":{"id":"hep-th/0212087","kind":"arxiv","version":2}},"canonical_sha256":"828cde890e96439f43004b4dc523d13ef28fca842a3542605f65474c411c72fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"828cde890e96439f43004b4dc523d13ef28fca842a3542605f65474c411c72fb","first_computed_at":"2026-05-18T02:35:53.323748Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:35:53.323748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f/SprzzF1GO2bhuqx2aQTxX+Il6GGgsCWJZoaDTrXrlipJGxhJ3cVYs4Xj9K7HbQGZdioUhrMgG0VhIdbvl/BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:35:53.324267Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/0212087","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b878c87960be66be65fcfd33059622c58d037cd611b4875cf38d8fb9220f6165","sha256:3e275f1166957f5d1bc78ffb1da0f65c0d1e9755b5e88758e4ffeec1984b41cc"],"state_sha256":"79cf2cdfbc0468314c324aa19b4b3cf3a429d88dad2663060a6b8c70e722098c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZWYYcLOIwJTvAPL8XxeA2jjJG39tCfF39KG9tI2M745D2zCIud9ISsWHKRwBC6/Ag1sUYlJvz/moN6pOYDTYAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T10:48:02.778098Z","bundle_sha256":"e5db35fbd708acb2ff1a954cc851a71318b2b676183cf24e5c40eba6b3556b08"}}