{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:6JGPPGOVZWRJAPC5VSYX3SYX7F","short_pith_number":"pith:6JGPPGOV","schema_version":"1.0","canonical_sha256":"f24cf799d5cda2903c5dacb17dcb17f94ecbbff62c4af94a3a46afedf327b646","source":{"kind":"arxiv","id":"2002.08950","version":1},"attestation_state":"computed","paper":{"title":"Transcending the ensemble: baby universes, spacetime wormholes, and the order and disorder of black hole information","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Donald Marolf, Henry Maxfield","submitted_at":"2020-02-20T18:58:54Z","abstract_excerpt":"In the 1980's, work by Coleman and by Giddings and Strominger linked the physics of spacetime wormholes to `baby universes' and an ensemble of theories. We revisit such ideas, using features associated with a negative cosmological constant and asymptotically AdS boundaries to strengthen the results, introduce a change in perspective, and connect with recent replica wormhole discussions of the Page curve. A key new feature is an emphasis on the role of null states. We explore this structure in detail in simple topological models of the bulk that allow us to compute the full spectrum of associat"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2002.08950","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2020-02-20T18:58:54Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"806966b33e6c09596b63bf84064ec636059ac3b069fba7b65d09c05df30e9432","abstract_canon_sha256":"7d8be56a4057e7717ef4ea2906517307cbf9bd6ee11d11b901abd2d54e748aa5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:30:26.510079Z","signature_b64":"C85NrNFAfEiSk4r/2ZQWBII4ydEAq8B7YdcqVCoU2DK4sudzSSC7nPybNWZOj+FlD01FTd13COiwzUqwcot3Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f24cf799d5cda2903c5dacb17dcb17f94ecbbff62c4af94a3a46afedf327b646","last_reissued_at":"2026-07-05T01:30:26.509585Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:30:26.509585Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Transcending the ensemble: baby universes, spacetime wormholes, and the order and disorder of black hole information","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Donald Marolf, Henry Maxfield","submitted_at":"2020-02-20T18:58:54Z","abstract_excerpt":"In the 1980's, work by Coleman and by Giddings and Strominger linked the physics of spacetime wormholes to `baby universes' and an ensemble of theories. We revisit such ideas, using features associated with a negative cosmological constant and asymptotically AdS boundaries to strengthen the results, introduce a change in perspective, and connect with recent replica wormhole discussions of the Page curve. A key new feature is an emphasis on the role of null states. We explore this structure in detail in simple topological models of the bulk that allow us to compute the full spectrum of associat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.08950","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/2002.08950/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2002.08950","created_at":"2026-07-05T01:30:26.509646+00:00"},{"alias_kind":"arxiv_version","alias_value":"2002.08950v1","created_at":"2026-07-05T01:30:26.509646+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.08950","created_at":"2026-07-05T01:30:26.509646+00:00"},{"alias_kind":"pith_short_12","alias_value":"6JGPPGOVZWRJ","created_at":"2026-07-05T01:30:26.509646+00:00"},{"alias_kind":"pith_short_16","alias_value":"6JGPPGOVZWRJAPC5","created_at":"2026-07-05T01:30:26.509646+00:00"},{"alias_kind":"pith_short_8","alias_value":"6JGPPGOV","created_at":"2026-07-05T01:30:26.509646+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":26,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.26004","citing_title":"Non-invertible symmetries in the axiverse, and the imaginary wormholes","ref_index":108,"is_internal_anchor":false},{"citing_arxiv_id":"2606.19435","citing_title":"Deriving effective descriptions and signal predictions for dynamical gravitational systems","ref_index":8,"is_internal_anchor":false},{"citing_arxiv_id":"2607.01322","citing_title":"Wormholes as red herrings: reflection positivity and the reconstruction of unitary quantum field theories","ref_index":25,"is_internal_anchor":false},{"citing_arxiv_id":"2606.17163","citing_title":"Boundary conditions and Hilbert spaces in no-roll quantum cosmology","ref_index":8,"is_internal_anchor":false},{"citing_arxiv_id":"2606.09346","citing_title":"Asymptotic Algebras and Holography of Information in CGHS Model","ref_index":73,"is_internal_anchor":false},{"citing_arxiv_id":"2606.06404","citing_title":"Smooth horizons from topology change in canonical quantum gravity","ref_index":39,"is_internal_anchor":false},{"citing_arxiv_id":"2606.04575","citing_title":"Emergent Closed Universes in Symmetric Orbifold CFTs","ref_index":30,"is_internal_anchor":false},{"citing_arxiv_id":"2605.28958","citing_title":"Quantum State of a Gravitating Region","ref_index":12,"is_internal_anchor":false},{"citing_arxiv_id":"2403.09021","citing_title":"Von Neumann Algebras in Double-Scaled SYK","ref_index":62,"is_internal_anchor":false},{"citing_arxiv_id":"2501.19269","citing_title":"Information Metrics and Possible Limitations of Local Information Objectivity in Quantum Gravity","ref_index":44,"is_internal_anchor":false},{"citing_arxiv_id":"2504.10868","citing_title":"AdS3 axion wormholes as stable contributions to the Euclidean gravitational path integral","ref_index":19,"is_internal_anchor":false},{"citing_arxiv_id":"2505.03068","citing_title":"M\\\"obius randomness in the Hartle-Hawking state","ref_index":70,"is_internal_anchor":false},{"citing_arxiv_id":"2605.20294","citing_title":"Topology sums, sectorwise holography, and horizon normalcy","ref_index":5,"is_internal_anchor":false},{"citing_arxiv_id":"2605.16619","citing_title":"Evaporating Black Hole Interior and Complexity Evolution","ref_index":37,"is_internal_anchor":false},{"citing_arxiv_id":"2509.05412","citing_title":"Gravitational Hilbert spaces: invariant and co-invariant states, inner products, gauge-fixing, and BRST","ref_index":67,"is_internal_anchor":false},{"citing_arxiv_id":"2509.15295","citing_title":"Living on the edge: a non-perturbative resolution to the negativity of bulk entropies","ref_index":49,"is_internal_anchor":false},{"citing_arxiv_id":"2510.22658","citing_title":"Toward Krylov-based holography in double-scaled SYK","ref_index":57,"is_internal_anchor":false},{"citing_arxiv_id":"2512.00704","citing_title":"No boundary density matrix in elliptic de Sitter dS/$\\mathbb{Z}_2$","ref_index":62,"is_internal_anchor":false},{"citing_arxiv_id":"2512.05045","citing_title":"On random matrix statistics of 3d gravity","ref_index":34,"is_internal_anchor":false},{"citing_arxiv_id":"2601.10906","citing_title":"Menagerie of Euclidean constructions for 3D holographic cosmologies","ref_index":3,"is_internal_anchor":false},{"citing_arxiv_id":"2601.20954","citing_title":"Spectral Form Factor of Gapped Random Matrix Systems","ref_index":104,"is_internal_anchor":false},{"citing_arxiv_id":"2602.01096","citing_title":"Replica Phase Transition with Quantum Gravity Corrections","ref_index":12,"is_internal_anchor":false},{"citing_arxiv_id":"2605.08335","citing_title":"Inner Horizon Saddles and a Spectral KSW Criterion","ref_index":7,"is_internal_anchor":false},{"citing_arxiv_id":"2604.25918","citing_title":"de Sitter in String Theory vs. Gibbons & Hawking","ref_index":55,"is_internal_anchor":false},{"citing_arxiv_id":"2605.05305","citing_title":"Positivity of the gravitational path integral implies the axionic weak gravity conjecture","ref_index":25,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6JGPPGOVZWRJAPC5VSYX3SYX7F","json":"https://pith.science/pith/6JGPPGOVZWRJAPC5VSYX3SYX7F.json","graph_json":"https://pith.science/api/pith-number/6JGPPGOVZWRJAPC5VSYX3SYX7F/graph.json","events_json":"https://pith.science/api/pith-number/6JGPPGOVZWRJAPC5VSYX3SYX7F/events.json","paper":"https://pith.science/paper/6JGPPGOV"},"agent_actions":{"view_html":"https://pith.science/pith/6JGPPGOVZWRJAPC5VSYX3SYX7F","download_json":"https://pith.science/pith/6JGPPGOVZWRJAPC5VSYX3SYX7F.json","view_paper":"https://pith.science/paper/6JGPPGOV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2002.08950&json=true","fetch_graph":"https://pith.science/api/pith-number/6JGPPGOVZWRJAPC5VSYX3SYX7F/graph.json","fetch_events":"https://pith.science/api/pith-number/6JGPPGOVZWRJAPC5VSYX3SYX7F/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6JGPPGOVZWRJAPC5VSYX3SYX7F/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6JGPPGOVZWRJAPC5VSYX3SYX7F/action/storage_attestation","attest_author":"https://pith.science/pith/6JGPPGOVZWRJAPC5VSYX3SYX7F/action/author_attestation","sign_citation":"https://pith.science/pith/6JGPPGOVZWRJAPC5VSYX3SYX7F/action/citation_signature","submit_replication":"https://pith.science/pith/6JGPPGOVZWRJAPC5VSYX3SYX7F/action/replication_record"}},"created_at":"2026-07-05T01:30:26.509646+00:00","updated_at":"2026-07-05T01:30:26.509646+00:00"}