{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:EVLTP64G72W6PYXAWKYRLTAWUP","short_pith_number":"pith:EVLTP64G","canonical_record":{"source":{"id":"1212.0153","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-12-01T20:10:37Z","cross_cats_sorted":[],"title_canon_sha256":"45805dcf4ee09cd7c4c59ef28751bd7f1881c28c3617813351155925e7d826da","abstract_canon_sha256":"4779588c983379e8b9fd4c090a5fd77a3afc724b367e3e10148918259986c564"},"schema_version":"1.0"},"canonical_sha256":"255737fb86feade7e2e0b2b115cc16a3d10fb8f6b6a689c2e4051979633e0a17","source":{"kind":"arxiv","id":"1212.0153","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.0153","created_at":"2026-05-18T03:00:26Z"},{"alias_kind":"arxiv_version","alias_value":"1212.0153v4","created_at":"2026-05-18T03:00:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.0153","created_at":"2026-05-18T03:00:26Z"},{"alias_kind":"pith_short_12","alias_value":"EVLTP64G72W6","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"EVLTP64G72W6PYXA","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"EVLTP64G","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:EVLTP64G72W6PYXAWKYRLTAWUP","target":"record","payload":{"canonical_record":{"source":{"id":"1212.0153","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-12-01T20:10:37Z","cross_cats_sorted":[],"title_canon_sha256":"45805dcf4ee09cd7c4c59ef28751bd7f1881c28c3617813351155925e7d826da","abstract_canon_sha256":"4779588c983379e8b9fd4c090a5fd77a3afc724b367e3e10148918259986c564"},"schema_version":"1.0"},"canonical_sha256":"255737fb86feade7e2e0b2b115cc16a3d10fb8f6b6a689c2e4051979633e0a17","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:00:26.749104Z","signature_b64":"Lv5nCqVoAQHDwExm5ATCGJn43YwjWo6Q2p+vWovAPY6K/IfOpMv5EKPWyjo95D5JkPjW/37JqSbfn8e1rbgjBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"255737fb86feade7e2e0b2b115cc16a3d10fb8f6b6a689c2e4051979633e0a17","last_reissued_at":"2026-05-18T03:00:26.748279Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:00:26.748279Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.0153","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:00:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oaT4IaFAzj9UpeHIMlApLDUFTI7YQj3VShuRmDiq/sZYn4YhME3Mq1C66jQ5erVWA3wzctWPmapeaTGQ/2CLBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T14:27:40.192259Z"},"content_sha256":"5e74761b6d0f6462d288541845df5989f56f7d0b7228ab7c8c556c323e7a985f","schema_version":"1.0","event_id":"sha256:5e74761b6d0f6462d288541845df5989f56f7d0b7228ab7c8c556c323e7a985f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:EVLTP64G72W6PYXAWKYRLTAWUP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Wormholes supported by a combination of normal and quintessential matter in Einstein and Einstein-Maxwell gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Peter K.F. Kuhfittig","submitted_at":"2012-12-01T20:10:37Z","abstract_excerpt":"It is shown in the first part of this paper that a combined model comprising ordinary and quintessential matter can support a traversable wormhole in Einstein-Maxwell gravity. Since the solution allows zero tidal forces, the wormhole is suitable for a humanoid traveler. The second part of the paper shows that the electric field can be eliminated (Einstein gravity), but only by tolerating enormous tidal forces. Such a wormhole would still be capable of transmitting signals."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.0153","kind":"arxiv","version":4},"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":"2026-05-18T03:00:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kxE5McJyCiixIG5+xXZXVtLXIU/ijsPVraUAOIuGA3yf5TWpe9UrKqMj7FIf3cNXgZhwRkRyaizvmJwx++VPAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T14:27:40.192624Z"},"content_sha256":"851784fccb8763c80f531ba0c5dc2953a8a3f6ccbd0bbb186a4d1f27d03707ae","schema_version":"1.0","event_id":"sha256:851784fccb8763c80f531ba0c5dc2953a8a3f6ccbd0bbb186a4d1f27d03707ae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EVLTP64G72W6PYXAWKYRLTAWUP/bundle.json","state_url":"https://pith.science/pith/EVLTP64G72W6PYXAWKYRLTAWUP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EVLTP64G72W6PYXAWKYRLTAWUP/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":"2026-06-26T14:27:40Z","links":{"resolver":"https://pith.science/pith/EVLTP64G72W6PYXAWKYRLTAWUP","bundle":"https://pith.science/pith/EVLTP64G72W6PYXAWKYRLTAWUP/bundle.json","state":"https://pith.science/pith/EVLTP64G72W6PYXAWKYRLTAWUP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EVLTP64G72W6PYXAWKYRLTAWUP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:EVLTP64G72W6PYXAWKYRLTAWUP","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":"4779588c983379e8b9fd4c090a5fd77a3afc724b367e3e10148918259986c564","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-12-01T20:10:37Z","title_canon_sha256":"45805dcf4ee09cd7c4c59ef28751bd7f1881c28c3617813351155925e7d826da"},"schema_version":"1.0","source":{"id":"1212.0153","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.0153","created_at":"2026-05-18T03:00:26Z"},{"alias_kind":"arxiv_version","alias_value":"1212.0153v4","created_at":"2026-05-18T03:00:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.0153","created_at":"2026-05-18T03:00:26Z"},{"alias_kind":"pith_short_12","alias_value":"EVLTP64G72W6","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"EVLTP64G72W6PYXA","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"EVLTP64G","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:851784fccb8763c80f531ba0c5dc2953a8a3f6ccbd0bbb186a4d1f27d03707ae","target":"graph","created_at":"2026-05-18T03:00:26Z","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":"It is shown in the first part of this paper that a combined model comprising ordinary and quintessential matter can support a traversable wormhole in Einstein-Maxwell gravity. Since the solution allows zero tidal forces, the wormhole is suitable for a humanoid traveler. The second part of the paper shows that the electric field can be eliminated (Einstein gravity), but only by tolerating enormous tidal forces. Such a wormhole would still be capable of transmitting signals.","authors_text":"Peter K.F. Kuhfittig","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-12-01T20:10:37Z","title":"Wormholes supported by a combination of normal and quintessential matter in Einstein and Einstein-Maxwell gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.0153","kind":"arxiv","version":4},"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":"sha256:5e74761b6d0f6462d288541845df5989f56f7d0b7228ab7c8c556c323e7a985f","target":"record","created_at":"2026-05-18T03:00:26Z","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":"4779588c983379e8b9fd4c090a5fd77a3afc724b367e3e10148918259986c564","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-12-01T20:10:37Z","title_canon_sha256":"45805dcf4ee09cd7c4c59ef28751bd7f1881c28c3617813351155925e7d826da"},"schema_version":"1.0","source":{"id":"1212.0153","kind":"arxiv","version":4}},"canonical_sha256":"255737fb86feade7e2e0b2b115cc16a3d10fb8f6b6a689c2e4051979633e0a17","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"255737fb86feade7e2e0b2b115cc16a3d10fb8f6b6a689c2e4051979633e0a17","first_computed_at":"2026-05-18T03:00:26.748279Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:00:26.748279Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Lv5nCqVoAQHDwExm5ATCGJn43YwjWo6Q2p+vWovAPY6K/IfOpMv5EKPWyjo95D5JkPjW/37JqSbfn8e1rbgjBw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:00:26.749104Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.0153","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5e74761b6d0f6462d288541845df5989f56f7d0b7228ab7c8c556c323e7a985f","sha256:851784fccb8763c80f531ba0c5dc2953a8a3f6ccbd0bbb186a4d1f27d03707ae"],"state_sha256":"60a7561bdd360ef13821d057f7494e8df3a0c27f4b8a0e4d2575d388e47b471c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"heCfQLcsDwOVgLT40TnfP1kaU0VwREwpjD6H2CDnR7mIfZ2Z2yRcjHwmsK3hHd6zEv5kHXNtldbisI+L/6SKBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T14:27:40.194493Z","bundle_sha256":"713f3ee008d38744a095613f197a8cb34e2310c814df68368f3aa87607b4a1fc"}}