{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:VQ5OQFWPXAAHKVYNHNSCNGCFMJ","short_pith_number":"pith:VQ5OQFWP","canonical_record":{"source":{"id":"1307.6534","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-07-24T19:12:05Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"0e35ca630e3e318401edd9a2c40f60fa5cc94acdead66e82b4cbdc051508b834","abstract_canon_sha256":"d46bc28dc6b88244d173c272d481cf6b422b21ce805c16371bad95318b556627"},"schema_version":"1.0"},"canonical_sha256":"ac3ae816cfb80075570d3b642698456279635543e13a63dd93e33e3cac7d02a3","source":{"kind":"arxiv","id":"1307.6534","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.6534","created_at":"2026-05-18T02:50:03Z"},{"alias_kind":"arxiv_version","alias_value":"1307.6534v2","created_at":"2026-05-18T02:50:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.6534","created_at":"2026-05-18T02:50:03Z"},{"alias_kind":"pith_short_12","alias_value":"VQ5OQFWPXAAH","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"VQ5OQFWPXAAHKVYN","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"VQ5OQFWP","created_at":"2026-05-18T12:28:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:VQ5OQFWPXAAHKVYNHNSCNGCFMJ","target":"record","payload":{"canonical_record":{"source":{"id":"1307.6534","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-07-24T19:12:05Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"0e35ca630e3e318401edd9a2c40f60fa5cc94acdead66e82b4cbdc051508b834","abstract_canon_sha256":"d46bc28dc6b88244d173c272d481cf6b422b21ce805c16371bad95318b556627"},"schema_version":"1.0"},"canonical_sha256":"ac3ae816cfb80075570d3b642698456279635543e13a63dd93e33e3cac7d02a3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:50:03.397415Z","signature_b64":"nb8x0Yt6zqr++va1MqqRK7/AoXgpUt3DhhfA8H903lSuuqUlCRwi86BySZtY2VQPIBS8JeQV1BuwxCo1LzEzDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ac3ae816cfb80075570d3b642698456279635543e13a63dd93e33e3cac7d02a3","last_reissued_at":"2026-05-18T02:50:03.396658Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:50:03.396658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.6534","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:50:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eWhUWMHgT+i5vVlDXhl8rDDmsKMUd0JwsPyJJUZdc6wnnhrv4jA3e4Y7piKJ8UkDB1XV6mxhyjDrMaQ0zxDgBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:54:12.425699Z"},"content_sha256":"e90f200b391b6a2501b3c75558447b3e31ae560a1176a18844defd11ea866fb3","schema_version":"1.0","event_id":"sha256:e90f200b391b6a2501b3c75558447b3e31ae560a1176a18844defd11ea866fb3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:VQ5OQFWPXAAHKVYNHNSCNGCFMJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Conformal Stealth of any Standard Cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Alberto A. Garc\\'ia, Cesar A. Terrero-Escalante, Eloy Ay\\'on-Beato, Pedro Isaac Ram\\'irez-Baca","submitted_at":"2013-07-24T19:12:05Z","abstract_excerpt":"It is shown that any homogeneous and isotropic universe, independently of its spatial topology and matter content, allows for the presence of a conformal stealth, i.e. a nontrivial conformally invariant scalar field with vanishing energy-momentum tensor, which evolves along with the universe without causing even the smallest backreaction. Surprisingly, this gravitationally invisible universal witness is inhomogeneous with zero consequences for the underlying cosmology. Additionally, it is shown that these results are not exclusive of a four-dimensional universe by generalizing them to higher d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.6534","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":""},"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":"2026-05-18T02:50:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RWA36c1uhCo6R3KTpVsHwhUdrDok5173ULuJeIExn8H0slI/9f0qMRe9uCz98LeWVvYLJvoWTX2RE1UwBMYWAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:54:12.426053Z"},"content_sha256":"a65ad6f4eae0b79accfd983cef46697470c618eee65ca48b3f66cdd14026ce0e","schema_version":"1.0","event_id":"sha256:a65ad6f4eae0b79accfd983cef46697470c618eee65ca48b3f66cdd14026ce0e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VQ5OQFWPXAAHKVYNHNSCNGCFMJ/bundle.json","state_url":"https://pith.science/pith/VQ5OQFWPXAAHKVYNHNSCNGCFMJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VQ5OQFWPXAAHKVYNHNSCNGCFMJ/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":"2026-05-28T07:54:12Z","links":{"resolver":"https://pith.science/pith/VQ5OQFWPXAAHKVYNHNSCNGCFMJ","bundle":"https://pith.science/pith/VQ5OQFWPXAAHKVYNHNSCNGCFMJ/bundle.json","state":"https://pith.science/pith/VQ5OQFWPXAAHKVYNHNSCNGCFMJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VQ5OQFWPXAAHKVYNHNSCNGCFMJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:VQ5OQFWPXAAHKVYNHNSCNGCFMJ","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":"d46bc28dc6b88244d173c272d481cf6b422b21ce805c16371bad95318b556627","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-07-24T19:12:05Z","title_canon_sha256":"0e35ca630e3e318401edd9a2c40f60fa5cc94acdead66e82b4cbdc051508b834"},"schema_version":"1.0","source":{"id":"1307.6534","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.6534","created_at":"2026-05-18T02:50:03Z"},{"alias_kind":"arxiv_version","alias_value":"1307.6534v2","created_at":"2026-05-18T02:50:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.6534","created_at":"2026-05-18T02:50:03Z"},{"alias_kind":"pith_short_12","alias_value":"VQ5OQFWPXAAH","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"VQ5OQFWPXAAHKVYN","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"VQ5OQFWP","created_at":"2026-05-18T12:28:04Z"}],"graph_snapshots":[{"event_id":"sha256:a65ad6f4eae0b79accfd983cef46697470c618eee65ca48b3f66cdd14026ce0e","target":"graph","created_at":"2026-05-18T02:50:03Z","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 that any homogeneous and isotropic universe, independently of its spatial topology and matter content, allows for the presence of a conformal stealth, i.e. a nontrivial conformally invariant scalar field with vanishing energy-momentum tensor, which evolves along with the universe without causing even the smallest backreaction. Surprisingly, this gravitationally invisible universal witness is inhomogeneous with zero consequences for the underlying cosmology. Additionally, it is shown that these results are not exclusive of a four-dimensional universe by generalizing them to higher d","authors_text":"Alberto A. Garc\\'ia, Cesar A. Terrero-Escalante, Eloy Ay\\'on-Beato, Pedro Isaac Ram\\'irez-Baca","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-07-24T19:12:05Z","title":"The Conformal Stealth of any Standard Cosmology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.6534","kind":"arxiv","version":2},"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:e90f200b391b6a2501b3c75558447b3e31ae560a1176a18844defd11ea866fb3","target":"record","created_at":"2026-05-18T02:50:03Z","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":"d46bc28dc6b88244d173c272d481cf6b422b21ce805c16371bad95318b556627","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-07-24T19:12:05Z","title_canon_sha256":"0e35ca630e3e318401edd9a2c40f60fa5cc94acdead66e82b4cbdc051508b834"},"schema_version":"1.0","source":{"id":"1307.6534","kind":"arxiv","version":2}},"canonical_sha256":"ac3ae816cfb80075570d3b642698456279635543e13a63dd93e33e3cac7d02a3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ac3ae816cfb80075570d3b642698456279635543e13a63dd93e33e3cac7d02a3","first_computed_at":"2026-05-18T02:50:03.396658Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:50:03.396658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nb8x0Yt6zqr++va1MqqRK7/AoXgpUt3DhhfA8H903lSuuqUlCRwi86BySZtY2VQPIBS8JeQV1BuwxCo1LzEzDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:50:03.397415Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.6534","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e90f200b391b6a2501b3c75558447b3e31ae560a1176a18844defd11ea866fb3","sha256:a65ad6f4eae0b79accfd983cef46697470c618eee65ca48b3f66cdd14026ce0e"],"state_sha256":"65840ad3bdc396bdee2bb345b92eca07feeb3f33fd5e2e30966333ec976dc57b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VNHmwl03CuvFzA8K7ammpkhJN79t6BfdW5fKHmHrSL7v4wGRgf0F5hU/2osU79YWLm+h9hR0qF6/Ai5VWBYYCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T07:54:12.428073Z","bundle_sha256":"7e8585ddc1fab3dd13445d64e3a42b331dce2bd83c70322de025f05d3f430d0a"}}