{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:VMNJGU5WOGWYEPA5XFH7V5YUDT","short_pith_number":"pith:VMNJGU5W","canonical_record":{"source":{"id":"2305.06829","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-05-11T14:22:22Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"29aba1cf3080bf3f10fb050f3e496ba4bc80d9b9511a0d859358c53370c660ac","abstract_canon_sha256":"3fd6c713ee8126e1e766b8bf3d6e7c5926edb122d9f034dbca7a41b4a905e4aa"},"schema_version":"1.0"},"canonical_sha256":"ab1a9353b671ad823c1db94ffaf7141cdf0f85c26ecd417aaa98b3a22f9b076f","source":{"kind":"arxiv","id":"2305.06829","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.06829","created_at":"2026-07-05T06:09:16Z"},{"alias_kind":"arxiv_version","alias_value":"2305.06829v1","created_at":"2026-07-05T06:09:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.06829","created_at":"2026-07-05T06:09:16Z"},{"alias_kind":"pith_short_12","alias_value":"VMNJGU5WOGWY","created_at":"2026-07-05T06:09:16Z"},{"alias_kind":"pith_short_16","alias_value":"VMNJGU5WOGWYEPA5","created_at":"2026-07-05T06:09:16Z"},{"alias_kind":"pith_short_8","alias_value":"VMNJGU5W","created_at":"2026-07-05T06:09:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:VMNJGU5WOGWYEPA5XFH7V5YUDT","target":"record","payload":{"canonical_record":{"source":{"id":"2305.06829","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-05-11T14:22:22Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"29aba1cf3080bf3f10fb050f3e496ba4bc80d9b9511a0d859358c53370c660ac","abstract_canon_sha256":"3fd6c713ee8126e1e766b8bf3d6e7c5926edb122d9f034dbca7a41b4a905e4aa"},"schema_version":"1.0"},"canonical_sha256":"ab1a9353b671ad823c1db94ffaf7141cdf0f85c26ecd417aaa98b3a22f9b076f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:09:16.782974Z","signature_b64":"ciooRrL9bZrRFWtsW77jtwMVz6fM4enF7Np1H8I21At7toc+gUmMXlymudoFiyQf+mL8bMuWqR2UuviQHbvFAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab1a9353b671ad823c1db94ffaf7141cdf0f85c26ecd417aaa98b3a22f9b076f","last_reissued_at":"2026-07-05T06:09:16.782559Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:09:16.782559Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2305.06829","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":"2026-07-05T06:09:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gqxjeVpHnOFs8o1TnWe5b265s1BgQE09TWaLGNlox36uaZ0syg/o8qP0O5+8XK3nYUr6/iyUUHGgck+YXjklBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T06:13:57.789367Z"},"content_sha256":"63eee6e1af66c51a6f119925a1cff561471dfb3740d2d19e32019fe51251f747","schema_version":"1.0","event_id":"sha256:63eee6e1af66c51a6f119925a1cff561471dfb3740d2d19e32019fe51251f747"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:VMNJGU5WOGWYEPA5XFH7V5YUDT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Traversable wormholes with double layer thin shells in quadratic gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Joao Lu\\'is Rosa, Jos\\'e P. S. Lemos, Rui Andr\\'e","submitted_at":"2023-05-11T14:22:22Z","abstract_excerpt":"In quadratic gravity, the junction conditions are six and permit the appearance of double layer thin shells. Double layers arise typically in theories with dipoles, i.e., two opposite charges, such as electromagnetic theories, and appear exceptionally in gravitational theories, which are theories with a single charge. We explore this property of the existence of double layers in quadratic gravity to find and study traversable wormholes in which the two domains of the wormhole interior region, where the throat is located, are matched to two vacuum domains of the exterior region via the use of t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.06829","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/2305.06829/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":"2026-07-05T06:09:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s/P4yn83QiCJLKpPgQXNrust+BqaOvgj98FpJW9R0S5mHdkyneQkhh74PgrhYf09JZKRw8jZ94QzYAkXZ/ztCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T06:13:57.790017Z"},"content_sha256":"0a071c41a9d6aa8257d53c1e7f53e0e8be4468468050782d30b7d4bdc2aa2c62","schema_version":"1.0","event_id":"sha256:0a071c41a9d6aa8257d53c1e7f53e0e8be4468468050782d30b7d4bdc2aa2c62"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VMNJGU5WOGWYEPA5XFH7V5YUDT/bundle.json","state_url":"https://pith.science/pith/VMNJGU5WOGWYEPA5XFH7V5YUDT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VMNJGU5WOGWYEPA5XFH7V5YUDT/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":"2026-08-03T06:13:57Z","links":{"resolver":"https://pith.science/pith/VMNJGU5WOGWYEPA5XFH7V5YUDT","bundle":"https://pith.science/pith/VMNJGU5WOGWYEPA5XFH7V5YUDT/bundle.json","state":"https://pith.science/pith/VMNJGU5WOGWYEPA5XFH7V5YUDT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VMNJGU5WOGWYEPA5XFH7V5YUDT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:VMNJGU5WOGWYEPA5XFH7V5YUDT","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":"3fd6c713ee8126e1e766b8bf3d6e7c5926edb122d9f034dbca7a41b4a905e4aa","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-05-11T14:22:22Z","title_canon_sha256":"29aba1cf3080bf3f10fb050f3e496ba4bc80d9b9511a0d859358c53370c660ac"},"schema_version":"1.0","source":{"id":"2305.06829","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.06829","created_at":"2026-07-05T06:09:16Z"},{"alias_kind":"arxiv_version","alias_value":"2305.06829v1","created_at":"2026-07-05T06:09:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.06829","created_at":"2026-07-05T06:09:16Z"},{"alias_kind":"pith_short_12","alias_value":"VMNJGU5WOGWY","created_at":"2026-07-05T06:09:16Z"},{"alias_kind":"pith_short_16","alias_value":"VMNJGU5WOGWYEPA5","created_at":"2026-07-05T06:09:16Z"},{"alias_kind":"pith_short_8","alias_value":"VMNJGU5W","created_at":"2026-07-05T06:09:16Z"}],"graph_snapshots":[{"event_id":"sha256:0a071c41a9d6aa8257d53c1e7f53e0e8be4468468050782d30b7d4bdc2aa2c62","target":"graph","created_at":"2026-07-05T06:09:16Z","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/2305.06829/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In quadratic gravity, the junction conditions are six and permit the appearance of double layer thin shells. Double layers arise typically in theories with dipoles, i.e., two opposite charges, such as electromagnetic theories, and appear exceptionally in gravitational theories, which are theories with a single charge. We explore this property of the existence of double layers in quadratic gravity to find and study traversable wormholes in which the two domains of the wormhole interior region, where the throat is located, are matched to two vacuum domains of the exterior region via the use of t","authors_text":"Joao Lu\\'is Rosa, Jos\\'e P. S. Lemos, Rui Andr\\'e","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-05-11T14:22:22Z","title":"Traversable wormholes with double layer thin shells in quadratic gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.06829","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":"sha256:63eee6e1af66c51a6f119925a1cff561471dfb3740d2d19e32019fe51251f747","target":"record","created_at":"2026-07-05T06:09:16Z","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":"3fd6c713ee8126e1e766b8bf3d6e7c5926edb122d9f034dbca7a41b4a905e4aa","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-05-11T14:22:22Z","title_canon_sha256":"29aba1cf3080bf3f10fb050f3e496ba4bc80d9b9511a0d859358c53370c660ac"},"schema_version":"1.0","source":{"id":"2305.06829","kind":"arxiv","version":1}},"canonical_sha256":"ab1a9353b671ad823c1db94ffaf7141cdf0f85c26ecd417aaa98b3a22f9b076f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ab1a9353b671ad823c1db94ffaf7141cdf0f85c26ecd417aaa98b3a22f9b076f","first_computed_at":"2026-07-05T06:09:16.782559Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:09:16.782559Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ciooRrL9bZrRFWtsW77jtwMVz6fM4enF7Np1H8I21At7toc+gUmMXlymudoFiyQf+mL8bMuWqR2UuviQHbvFAA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:09:16.782974Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.06829","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:63eee6e1af66c51a6f119925a1cff561471dfb3740d2d19e32019fe51251f747","sha256:0a071c41a9d6aa8257d53c1e7f53e0e8be4468468050782d30b7d4bdc2aa2c62"],"state_sha256":"c7e0df71cf9703a73e0edac13290d6dfc6a2f1f32aa600dab722d215b6574df6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VpqOLdSKrhMO+O7Cxii7f/d0iCFFu67lNFV9mawWkaTz8ZyK581eifD4xBxBrIZ3JBwP4uetTl21musg75uJDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T06:13:57.794075Z","bundle_sha256":"58091e6bcd6608a11a211eda3e83a354ae8ca926cb78a6c8c29cbd6762b4ad76"}}