{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:M2TM4E27POSG27S5Z43S7GNENL","short_pith_number":"pith:M2TM4E27","schema_version":"1.0","canonical_sha256":"66a6ce135f7ba46d7e5dcf372f99a46ad56ced8676655af9326c4975431f2033","source":{"kind":"arxiv","id":"2302.03259","version":2},"attestation_state":"computed","paper":{"title":"Relativity and decoherence of spacetime superpositions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-th","quant-ph"],"primary_cat":"gr-qc","authors_text":"Joshua Foo, Magdalena Zych, Robert B. Mann","submitted_at":"2023-02-07T05:10:52Z","abstract_excerpt":"It is univocally anticipated that in a theory of quantum gravity, there exist quantum superpositions of semiclassical states of spacetime geometry. Such states could arise for example, from a source mass in a superposition of spatial configurations. In this paper we introduce a framework for describing such \"quantum superpositions of spacetime states.\" We introduce the notion of the relativity of spacetime superpositions, demonstrating that for states in which the superposed amplitudes differ by a coordinate transformation, it is always possible to re-express the scenario in terms of dynamics "},"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":"2302.03259","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-02-07T05:10:52Z","cross_cats_sorted":["hep-th","quant-ph"],"title_canon_sha256":"a1186f8abcd080910199ad4aef7ec5e64d5f9a5ad34db309490087cc8203c5fc","abstract_canon_sha256":"25ef6c801e2479133cf7bf283f37ee3b5ca9cf0a2d0915fbbba1135da3abeb32"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:01:59.680226Z","signature_b64":"eu8lfM/5OdauZkQZIGfIrNO4zvEf2HBhcTQQPjVYAEXKIOdbwU5NIO3CYUAHdoHZZ440lD1619D67FuRa3QGAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"66a6ce135f7ba46d7e5dcf372f99a46ad56ced8676655af9326c4975431f2033","last_reissued_at":"2026-07-05T10:01:59.679818Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:01:59.679818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Relativity and decoherence of spacetime superpositions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-th","quant-ph"],"primary_cat":"gr-qc","authors_text":"Joshua Foo, Magdalena Zych, Robert B. Mann","submitted_at":"2023-02-07T05:10:52Z","abstract_excerpt":"It is univocally anticipated that in a theory of quantum gravity, there exist quantum superpositions of semiclassical states of spacetime geometry. Such states could arise for example, from a source mass in a superposition of spatial configurations. In this paper we introduce a framework for describing such \"quantum superpositions of spacetime states.\" We introduce the notion of the relativity of spacetime superpositions, demonstrating that for states in which the superposed amplitudes differ by a coordinate transformation, it is always possible to re-express the scenario in terms of dynamics "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.03259","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2302.03259/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":"2302.03259","created_at":"2026-07-05T10:01:59.679873+00:00"},{"alias_kind":"arxiv_version","alias_value":"2302.03259v2","created_at":"2026-07-05T10:01:59.679873+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.03259","created_at":"2026-07-05T10:01:59.679873+00:00"},{"alias_kind":"pith_short_12","alias_value":"M2TM4E27POSG","created_at":"2026-07-05T10:01:59.679873+00:00"},{"alias_kind":"pith_short_16","alias_value":"M2TM4E27POSG27S5","created_at":"2026-07-05T10:01:59.679873+00:00"},{"alias_kind":"pith_short_8","alias_value":"M2TM4E27","created_at":"2026-07-05T10:01:59.679873+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2506.04607","citing_title":"A map of indefinite causal order","ref_index":137,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/M2TM4E27POSG27S5Z43S7GNENL","json":"https://pith.science/pith/M2TM4E27POSG27S5Z43S7GNENL.json","graph_json":"https://pith.science/api/pith-number/M2TM4E27POSG27S5Z43S7GNENL/graph.json","events_json":"https://pith.science/api/pith-number/M2TM4E27POSG27S5Z43S7GNENL/events.json","paper":"https://pith.science/paper/M2TM4E27"},"agent_actions":{"view_html":"https://pith.science/pith/M2TM4E27POSG27S5Z43S7GNENL","download_json":"https://pith.science/pith/M2TM4E27POSG27S5Z43S7GNENL.json","view_paper":"https://pith.science/paper/M2TM4E27","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2302.03259&json=true","fetch_graph":"https://pith.science/api/pith-number/M2TM4E27POSG27S5Z43S7GNENL/graph.json","fetch_events":"https://pith.science/api/pith-number/M2TM4E27POSG27S5Z43S7GNENL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/M2TM4E27POSG27S5Z43S7GNENL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/M2TM4E27POSG27S5Z43S7GNENL/action/storage_attestation","attest_author":"https://pith.science/pith/M2TM4E27POSG27S5Z43S7GNENL/action/author_attestation","sign_citation":"https://pith.science/pith/M2TM4E27POSG27S5Z43S7GNENL/action/citation_signature","submit_replication":"https://pith.science/pith/M2TM4E27POSG27S5Z43S7GNENL/action/replication_record"}},"created_at":"2026-07-05T10:01:59.679873+00:00","updated_at":"2026-07-05T10:01:59.679873+00:00"}