{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1994:HFRLZQMUTX6YBFB4WE4VIKTVKQ","short_pith_number":"pith:HFRLZQMU","canonical_record":{"source":{"id":"gr-qc/9405020","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1994-05-06T13:44:36Z","cross_cats_sorted":[],"title_canon_sha256":"fe34f73cefe6d61ad64d4672b381dcd260e6fdcfe8f7b180c1003df59d5ad765","abstract_canon_sha256":"d7d6c231a381833d1c499e97f0073dad0bb205af94344ceee590a5e38301b878"},"schema_version":"1.0"},"canonical_sha256":"3962bcc1949dfd80943cb139542a75540ce56b1563fd301ae94eb5c327238134","source":{"kind":"arxiv","id":"gr-qc/9405020","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9405020","created_at":"2026-07-04T15:56:54Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9405020v1","created_at":"2026-07-04T15:56:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9405020","created_at":"2026-07-04T15:56:54Z"},{"alias_kind":"pith_short_12","alias_value":"HFRLZQMUTX6Y","created_at":"2026-07-04T15:56:54Z"},{"alias_kind":"pith_short_16","alias_value":"HFRLZQMUTX6YBFB4","created_at":"2026-07-04T15:56:54Z"},{"alias_kind":"pith_short_8","alias_value":"HFRLZQMU","created_at":"2026-07-04T15:56:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1994:HFRLZQMUTX6YBFB4WE4VIKTVKQ","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/9405020","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1994-05-06T13:44:36Z","cross_cats_sorted":[],"title_canon_sha256":"fe34f73cefe6d61ad64d4672b381dcd260e6fdcfe8f7b180c1003df59d5ad765","abstract_canon_sha256":"d7d6c231a381833d1c499e97f0073dad0bb205af94344ceee590a5e38301b878"},"schema_version":"1.0"},"canonical_sha256":"3962bcc1949dfd80943cb139542a75540ce56b1563fd301ae94eb5c327238134","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:56:54.481632Z","signature_b64":"HZ/AJsLJsyB/Eo02HRI2AyO661PwKxabdjugl6/xrzsQEysZeWeU1W6AZCNKPt+TTek2/YGEcCSm9G5SE3f4CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3962bcc1949dfd80943cb139542a75540ce56b1563fd301ae94eb5c327238134","last_reissued_at":"2026-07-04T15:56:54.481179Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:56:54.481179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/9405020","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":"2026-07-04T15:56:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YR4GY+duzFDmG5WU5iTTs2HJTWmkc9dBpaYzJIM4/k62Vg6EMiiJxI0S2rdEJG9Xu6ut45xJzlsLg2Tf3juWDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T17:29:54.495171Z"},"content_sha256":"c22903576f8de0f5702f3feaf402a9c1a38c8e3751f5c77e5b4067b779d8b07e","schema_version":"1.0","event_id":"sha256:c22903576f8de0f5702f3feaf402a9c1a38c8e3751f5c77e5b4067b779d8b07e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1994:HFRLZQMUTX6YBFB4WE4VIKTVKQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multidimensional Classical and Quantum Wormholes in Models with Cosmological Constant","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"A. Zhuk, U. Bleyer, V. D. Ivashchuk, V. N. Melnikov","submitted_at":"1994-05-06T13:44:36Z","abstract_excerpt":"A multidimensional cosmological model with space-time consisting of $n (n \\ge 2)$ Einstein spaces $M_{i}$ is investigated in the presence of a cosmological constant $\\Lambda$ and a homogeneous minimally coupled scalar field $\\varphi(t)$ as a matter source. Classical and quantum wormhole solutions are obtained for $\\Lambda < 0$ and all $M_{i}$ being Ricci-flat. Classical wormhole solutions are also found for $\\Lambda < 0$ and only one of the $M_{i}$ being Ricci-flat for the case of spontaneous compactification of the internal dimensions with fine tuning of parameters."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9405020","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/gr-qc/9405020/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":"2026-07-04T15:56:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wVuD4UfMkA9mwEBLBEXifO63gECejGHgWKuVQwLi9ugOuJmH67ufJIYbdqwMY0vCUUcWA9MHEF8/Z5eh+IqdBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T17:29:54.495670Z"},"content_sha256":"f6cc458c93bed4b24b3145c832cfbf06c62449ee601c4eda0768c2af69afa17e","schema_version":"1.0","event_id":"sha256:f6cc458c93bed4b24b3145c832cfbf06c62449ee601c4eda0768c2af69afa17e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HFRLZQMUTX6YBFB4WE4VIKTVKQ/bundle.json","state_url":"https://pith.science/pith/HFRLZQMUTX6YBFB4WE4VIKTVKQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HFRLZQMUTX6YBFB4WE4VIKTVKQ/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":"2026-08-11T17:29:54Z","links":{"resolver":"https://pith.science/pith/HFRLZQMUTX6YBFB4WE4VIKTVKQ","bundle":"https://pith.science/pith/HFRLZQMUTX6YBFB4WE4VIKTVKQ/bundle.json","state":"https://pith.science/pith/HFRLZQMUTX6YBFB4WE4VIKTVKQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HFRLZQMUTX6YBFB4WE4VIKTVKQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1994:HFRLZQMUTX6YBFB4WE4VIKTVKQ","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":"d7d6c231a381833d1c499e97f0073dad0bb205af94344ceee590a5e38301b878","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"1994-05-06T13:44:36Z","title_canon_sha256":"fe34f73cefe6d61ad64d4672b381dcd260e6fdcfe8f7b180c1003df59d5ad765"},"schema_version":"1.0","source":{"id":"gr-qc/9405020","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9405020","created_at":"2026-07-04T15:56:54Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9405020v1","created_at":"2026-07-04T15:56:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9405020","created_at":"2026-07-04T15:56:54Z"},{"alias_kind":"pith_short_12","alias_value":"HFRLZQMUTX6Y","created_at":"2026-07-04T15:56:54Z"},{"alias_kind":"pith_short_16","alias_value":"HFRLZQMUTX6YBFB4","created_at":"2026-07-04T15:56:54Z"},{"alias_kind":"pith_short_8","alias_value":"HFRLZQMU","created_at":"2026-07-04T15:56:54Z"}],"graph_snapshots":[{"event_id":"sha256:f6cc458c93bed4b24b3145c832cfbf06c62449ee601c4eda0768c2af69afa17e","target":"graph","created_at":"2026-07-04T15:56:54Z","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/gr-qc/9405020/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A multidimensional cosmological model with space-time consisting of $n (n \\ge 2)$ Einstein spaces $M_{i}$ is investigated in the presence of a cosmological constant $\\Lambda$ and a homogeneous minimally coupled scalar field $\\varphi(t)$ as a matter source. Classical and quantum wormhole solutions are obtained for $\\Lambda < 0$ and all $M_{i}$ being Ricci-flat. Classical wormhole solutions are also found for $\\Lambda < 0$ and only one of the $M_{i}$ being Ricci-flat for the case of spontaneous compactification of the internal dimensions with fine tuning of parameters.","authors_text":"A. Zhuk, U. Bleyer, V. D. Ivashchuk, V. N. Melnikov","cross_cats":[],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"1994-05-06T13:44:36Z","title":"Multidimensional Classical and Quantum Wormholes in Models with Cosmological Constant"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9405020","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:c22903576f8de0f5702f3feaf402a9c1a38c8e3751f5c77e5b4067b779d8b07e","target":"record","created_at":"2026-07-04T15:56:54Z","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":"d7d6c231a381833d1c499e97f0073dad0bb205af94344ceee590a5e38301b878","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"1994-05-06T13:44:36Z","title_canon_sha256":"fe34f73cefe6d61ad64d4672b381dcd260e6fdcfe8f7b180c1003df59d5ad765"},"schema_version":"1.0","source":{"id":"gr-qc/9405020","kind":"arxiv","version":1}},"canonical_sha256":"3962bcc1949dfd80943cb139542a75540ce56b1563fd301ae94eb5c327238134","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3962bcc1949dfd80943cb139542a75540ce56b1563fd301ae94eb5c327238134","first_computed_at":"2026-07-04T15:56:54.481179Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:56:54.481179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HZ/AJsLJsyB/Eo02HRI2AyO661PwKxabdjugl6/xrzsQEysZeWeU1W6AZCNKPt+TTek2/YGEcCSm9G5SE3f4CA==","signature_status":"signed_v1","signed_at":"2026-07-04T15:56:54.481632Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/9405020","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c22903576f8de0f5702f3feaf402a9c1a38c8e3751f5c77e5b4067b779d8b07e","sha256:f6cc458c93bed4b24b3145c832cfbf06c62449ee601c4eda0768c2af69afa17e"],"state_sha256":"93944e2a9cf50d49c3aa9f8f083b69245065dfe6827ade745edc68dc9674be10"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kcOxWgEiTk9rUtGpVqo6JVmKMBmC9HNhq9DsbbZueDZa7Xed192Yq+7ag41tFZx6DFHUtk8xXw6frgzCm4w1Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T17:29:54.500525Z","bundle_sha256":"76cc456adad6ad3074d7d1286ded7eed38182dc5990ad0d3cd7879473172c1be"}}