{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:WKHIV6UBCWSP76SFUE2OVQHHXJ","short_pith_number":"pith:WKHIV6UB","canonical_record":{"source":{"id":"0810.5163","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2008-10-28T23:12:24Z","cross_cats_sorted":[],"title_canon_sha256":"ce5b3668443c8d2d6aa616fcbd7732022e506d179162e27f6f34a493b1a44699","abstract_canon_sha256":"14e55cbbaf6c2cb4f22387f2438b579cb640e251ac30e13d216cf25c72fd1ebd"},"schema_version":"1.0"},"canonical_sha256":"b28e8afa8115a4fffa45a134eac0e7ba6be1ecbb86877e2a9655d7fae050f3e1","source":{"kind":"arxiv","id":"0810.5163","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.5163","created_at":"2026-07-04T17:14:13Z"},{"alias_kind":"arxiv_version","alias_value":"0810.5163v1","created_at":"2026-07-04T17:14:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.5163","created_at":"2026-07-04T17:14:13Z"},{"alias_kind":"pith_short_12","alias_value":"WKHIV6UBCWSP","created_at":"2026-07-04T17:14:13Z"},{"alias_kind":"pith_short_16","alias_value":"WKHIV6UBCWSP76SF","created_at":"2026-07-04T17:14:13Z"},{"alias_kind":"pith_short_8","alias_value":"WKHIV6UB","created_at":"2026-07-04T17:14:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:WKHIV6UBCWSP76SFUE2OVQHHXJ","target":"record","payload":{"canonical_record":{"source":{"id":"0810.5163","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2008-10-28T23:12:24Z","cross_cats_sorted":[],"title_canon_sha256":"ce5b3668443c8d2d6aa616fcbd7732022e506d179162e27f6f34a493b1a44699","abstract_canon_sha256":"14e55cbbaf6c2cb4f22387f2438b579cb640e251ac30e13d216cf25c72fd1ebd"},"schema_version":"1.0"},"canonical_sha256":"b28e8afa8115a4fffa45a134eac0e7ba6be1ecbb86877e2a9655d7fae050f3e1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:14:13.366193Z","signature_b64":"tOsKs18DdgxCAqSyf8vJjUO8bkd7mald4Kw5ljKGP1OceE+NnWFVK8LcEGkd8wmhuAxt+9V8UCeL8l+eQP5nCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b28e8afa8115a4fffa45a134eac0e7ba6be1ecbb86877e2a9655d7fae050f3e1","last_reissued_at":"2026-07-04T17:14:13.365770Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:14:13.365770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0810.5163","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":"2026-07-04T17:14:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"swUcamNuQyfehqhmRdG8gOx/Fo9vhm8Hre/5DF9eo5F3FFmfwWVOZIiVHzZESuPLG7IkLCmlPHWxijDpohEuDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:09:00.200221Z"},"content_sha256":"3597f979000bbb95e8aff55e720683a3dbeaad0ff6fa1ecd1deb9fe70922666c","schema_version":"1.0","event_id":"sha256:3597f979000bbb95e8aff55e720683a3dbeaad0ff6fa1ecd1deb9fe70922666c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:WKHIV6UBCWSP76SFUE2OVQHHXJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Group Averaging for de Sitter free fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Donald Marolf, Ian A. Morrison","submitted_at":"2008-10-28T23:12:24Z","abstract_excerpt":"Perturbative gravity about global de Sitter space is subject to linearization-stability constraints. Such constraints imply that quantum states of matter fields couple consistently to gravity {\\it only} if the matter state has vanishing de Sitter charges; i.e., only if the state is invariant under the symmetries of de Sitter space. As noted by Higuchi, the usual Fock spaces for matter fields contain no de Sitter-invariant states except the vacuum, though a new Hilbert space of de Sitter invariant states can be constructed via so-called group-averaging techniques. We study this construction for"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.5163","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/0810.5163/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":"2026-07-04T17:14:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CRyWrYDSKUgk3CvhcsVQBOAlGPn7IrTii9P9zHOVF2fST1exzFUdjua/0bkt62XEoy0CCiTXoa8za/NiBDUkAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:09:00.201107Z"},"content_sha256":"aed0960cb50da52cf91d2fbe4b66bfbb3fa8629ea65a24d3d7dd2f3ec6605558","schema_version":"1.0","event_id":"sha256:aed0960cb50da52cf91d2fbe4b66bfbb3fa8629ea65a24d3d7dd2f3ec6605558"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WKHIV6UBCWSP76SFUE2OVQHHXJ/bundle.json","state_url":"https://pith.science/pith/WKHIV6UBCWSP76SFUE2OVQHHXJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WKHIV6UBCWSP76SFUE2OVQHHXJ/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":"2026-08-05T06:09:00Z","links":{"resolver":"https://pith.science/pith/WKHIV6UBCWSP76SFUE2OVQHHXJ","bundle":"https://pith.science/pith/WKHIV6UBCWSP76SFUE2OVQHHXJ/bundle.json","state":"https://pith.science/pith/WKHIV6UBCWSP76SFUE2OVQHHXJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WKHIV6UBCWSP76SFUE2OVQHHXJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:WKHIV6UBCWSP76SFUE2OVQHHXJ","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":"14e55cbbaf6c2cb4f22387f2438b579cb640e251ac30e13d216cf25c72fd1ebd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2008-10-28T23:12:24Z","title_canon_sha256":"ce5b3668443c8d2d6aa616fcbd7732022e506d179162e27f6f34a493b1a44699"},"schema_version":"1.0","source":{"id":"0810.5163","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.5163","created_at":"2026-07-04T17:14:13Z"},{"alias_kind":"arxiv_version","alias_value":"0810.5163v1","created_at":"2026-07-04T17:14:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.5163","created_at":"2026-07-04T17:14:13Z"},{"alias_kind":"pith_short_12","alias_value":"WKHIV6UBCWSP","created_at":"2026-07-04T17:14:13Z"},{"alias_kind":"pith_short_16","alias_value":"WKHIV6UBCWSP76SF","created_at":"2026-07-04T17:14:13Z"},{"alias_kind":"pith_short_8","alias_value":"WKHIV6UB","created_at":"2026-07-04T17:14:13Z"}],"graph_snapshots":[{"event_id":"sha256:aed0960cb50da52cf91d2fbe4b66bfbb3fa8629ea65a24d3d7dd2f3ec6605558","target":"graph","created_at":"2026-07-04T17:14:13Z","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/0810.5163/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Perturbative gravity about global de Sitter space is subject to linearization-stability constraints. Such constraints imply that quantum states of matter fields couple consistently to gravity {\\it only} if the matter state has vanishing de Sitter charges; i.e., only if the state is invariant under the symmetries of de Sitter space. As noted by Higuchi, the usual Fock spaces for matter fields contain no de Sitter-invariant states except the vacuum, though a new Hilbert space of de Sitter invariant states can be constructed via so-called group-averaging techniques. We study this construction for","authors_text":"Donald Marolf, Ian A. Morrison","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2008-10-28T23:12:24Z","title":"Group Averaging for de Sitter free fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.5163","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":"sha256:3597f979000bbb95e8aff55e720683a3dbeaad0ff6fa1ecd1deb9fe70922666c","target":"record","created_at":"2026-07-04T17:14:13Z","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":"14e55cbbaf6c2cb4f22387f2438b579cb640e251ac30e13d216cf25c72fd1ebd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2008-10-28T23:12:24Z","title_canon_sha256":"ce5b3668443c8d2d6aa616fcbd7732022e506d179162e27f6f34a493b1a44699"},"schema_version":"1.0","source":{"id":"0810.5163","kind":"arxiv","version":1}},"canonical_sha256":"b28e8afa8115a4fffa45a134eac0e7ba6be1ecbb86877e2a9655d7fae050f3e1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b28e8afa8115a4fffa45a134eac0e7ba6be1ecbb86877e2a9655d7fae050f3e1","first_computed_at":"2026-07-04T17:14:13.365770Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:14:13.365770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tOsKs18DdgxCAqSyf8vJjUO8bkd7mald4Kw5ljKGP1OceE+NnWFVK8LcEGkd8wmhuAxt+9V8UCeL8l+eQP5nCg==","signature_status":"signed_v1","signed_at":"2026-07-04T17:14:13.366193Z","signed_message":"canonical_sha256_bytes"},"source_id":"0810.5163","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3597f979000bbb95e8aff55e720683a3dbeaad0ff6fa1ecd1deb9fe70922666c","sha256:aed0960cb50da52cf91d2fbe4b66bfbb3fa8629ea65a24d3d7dd2f3ec6605558"],"state_sha256":"8f58721a605c349ebe80aa03131077ab2ac04248b4da93aeb0dedd3abed4764a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tXqQuyOX0WvA70TVz7zq3ow9fJL80XFMBVesOVLCvkTs00BM/03kt+85320IquV+1uBZex6O3RqBUJ5EAudiAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T06:09:00.206699Z","bundle_sha256":"608433bae0adf836702450aa4cfb4e78af5bf1e5206b73886de29ef49853ade5"}}