{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:WWTFR6A7LN4PA72YZOANBYZMHA","short_pith_number":"pith:WWTFR6A7","canonical_record":{"source":{"id":"2508.05897","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2025-08-07T23:10:46Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"5c26ff4fd5c82c8294d02ba78e533f1e6417ef5dc189527e108eb2403f0f5596","abstract_canon_sha256":"810fb4f794cf56c5acb9a31a70a27347a657c16c3a73a5596e9ed9eced449cb4"},"schema_version":"1.0"},"canonical_sha256":"b5a658f81f5b78f07f58cb80d0e32c3833d9bb625c64ca96de75cfe5282c3981","source":{"kind":"arxiv","id":"2508.05897","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.05897","created_at":"2026-05-18T03:10:12Z"},{"alias_kind":"arxiv_version","alias_value":"2508.05897v4","created_at":"2026-05-18T03:10:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.05897","created_at":"2026-05-18T03:10:12Z"},{"alias_kind":"pith_short_12","alias_value":"WWTFR6A7LN4P","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_16","alias_value":"WWTFR6A7LN4PA72Y","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_8","alias_value":"WWTFR6A7","created_at":"2026-05-18T12:33:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:WWTFR6A7LN4PA72YZOANBYZMHA","target":"record","payload":{"canonical_record":{"source":{"id":"2508.05897","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2025-08-07T23:10:46Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"5c26ff4fd5c82c8294d02ba78e533f1e6417ef5dc189527e108eb2403f0f5596","abstract_canon_sha256":"810fb4f794cf56c5acb9a31a70a27347a657c16c3a73a5596e9ed9eced449cb4"},"schema_version":"1.0"},"canonical_sha256":"b5a658f81f5b78f07f58cb80d0e32c3833d9bb625c64ca96de75cfe5282c3981","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:10:12.437459Z","signature_b64":"uokfzA59p9Hj94HZvjb0VtTVHSULvQrwwoQ1UGxrHbx8g+uuxWXHTntPqasIU5JEBO6NdkpRDB0NZYHky0f/AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b5a658f81f5b78f07f58cb80d0e32c3833d9bb625c64ca96de75cfe5282c3981","last_reissued_at":"2026-05-18T03:10:12.436750Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:10:12.436750Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.05897","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:10:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MvZrb+SCpQLz3TxvvRjCe3aPw9t1gD6DEnK0ZVaCw2lui5hK3y8tlRuCxkQ4bD4+Q0xnXhBXndgqVxWZO6NjCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T09:57:57.269778Z"},"content_sha256":"f61d69293c5d087f96204e8fb02ba24f9630b7a854fb532894c4a9a1e9f7f8ce","schema_version":"1.0","event_id":"sha256:f61d69293c5d087f96204e8fb02ba24f9630b7a854fb532894c4a9a1e9f7f8ce"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:WWTFR6A7LN4PA72YZOANBYZMHA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A spacetime-covariant approach to inertial and accelerated quantum clocks in first-quantization","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"gr-qc","authors_text":"Andre G. S. Landulfo, Eduardo A. B. Oliveira","submitted_at":"2025-08-07T23:10:46Z","abstract_excerpt":"It is expected that a quantum theory of gravity will radically alter our current notion of spacetime geometry. However, contrary to what was commonly assumed for many decades, quantum gravity effects could manifest in scales much larger than the Planck scale, provided that there is enough coherence in the superposition of geometries. Quantum clocks, i.e. quantum mechanical systems whose internal dynamics can keep track of proper time lapses, are a very promising tool for probing such low-energy quantum gravity effects. In this work, we contribute to this subject by proposing a spacetime-covari"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.05897","kind":"arxiv","version":4},"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":"2026-05-18T03:10:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L/g2Mdnpi6OfBoLsUdNv/t56LVCWjv+9mxLfxYUorDyQ/wUwGTa0EhVWIHobDwq5TSQWliavYOJ8TNmW6JS8Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T09:57:57.270186Z"},"content_sha256":"500063f7fba3fc757422a94778b47c3b3064332f96df1f20c9e9080f420f26d0","schema_version":"1.0","event_id":"sha256:500063f7fba3fc757422a94778b47c3b3064332f96df1f20c9e9080f420f26d0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WWTFR6A7LN4PA72YZOANBYZMHA/bundle.json","state_url":"https://pith.science/pith/WWTFR6A7LN4PA72YZOANBYZMHA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WWTFR6A7LN4PA72YZOANBYZMHA/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":"2026-05-31T09:57:57Z","links":{"resolver":"https://pith.science/pith/WWTFR6A7LN4PA72YZOANBYZMHA","bundle":"https://pith.science/pith/WWTFR6A7LN4PA72YZOANBYZMHA/bundle.json","state":"https://pith.science/pith/WWTFR6A7LN4PA72YZOANBYZMHA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WWTFR6A7LN4PA72YZOANBYZMHA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:WWTFR6A7LN4PA72YZOANBYZMHA","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":"810fb4f794cf56c5acb9a31a70a27347a657c16c3a73a5596e9ed9eced449cb4","cross_cats_sorted":["quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2025-08-07T23:10:46Z","title_canon_sha256":"5c26ff4fd5c82c8294d02ba78e533f1e6417ef5dc189527e108eb2403f0f5596"},"schema_version":"1.0","source":{"id":"2508.05897","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.05897","created_at":"2026-05-18T03:10:12Z"},{"alias_kind":"arxiv_version","alias_value":"2508.05897v4","created_at":"2026-05-18T03:10:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.05897","created_at":"2026-05-18T03:10:12Z"},{"alias_kind":"pith_short_12","alias_value":"WWTFR6A7LN4P","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_16","alias_value":"WWTFR6A7LN4PA72Y","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_8","alias_value":"WWTFR6A7","created_at":"2026-05-18T12:33:37Z"}],"graph_snapshots":[{"event_id":"sha256:500063f7fba3fc757422a94778b47c3b3064332f96df1f20c9e9080f420f26d0","target":"graph","created_at":"2026-05-18T03:10:12Z","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 expected that a quantum theory of gravity will radically alter our current notion of spacetime geometry. However, contrary to what was commonly assumed for many decades, quantum gravity effects could manifest in scales much larger than the Planck scale, provided that there is enough coherence in the superposition of geometries. Quantum clocks, i.e. quantum mechanical systems whose internal dynamics can keep track of proper time lapses, are a very promising tool for probing such low-energy quantum gravity effects. In this work, we contribute to this subject by proposing a spacetime-covari","authors_text":"Andre G. S. Landulfo, Eduardo A. B. Oliveira","cross_cats":["quant-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2025-08-07T23:10:46Z","title":"A spacetime-covariant approach to inertial and accelerated quantum clocks in first-quantization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.05897","kind":"arxiv","version":4},"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:f61d69293c5d087f96204e8fb02ba24f9630b7a854fb532894c4a9a1e9f7f8ce","target":"record","created_at":"2026-05-18T03:10:12Z","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":"810fb4f794cf56c5acb9a31a70a27347a657c16c3a73a5596e9ed9eced449cb4","cross_cats_sorted":["quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2025-08-07T23:10:46Z","title_canon_sha256":"5c26ff4fd5c82c8294d02ba78e533f1e6417ef5dc189527e108eb2403f0f5596"},"schema_version":"1.0","source":{"id":"2508.05897","kind":"arxiv","version":4}},"canonical_sha256":"b5a658f81f5b78f07f58cb80d0e32c3833d9bb625c64ca96de75cfe5282c3981","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b5a658f81f5b78f07f58cb80d0e32c3833d9bb625c64ca96de75cfe5282c3981","first_computed_at":"2026-05-18T03:10:12.436750Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:10:12.436750Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uokfzA59p9Hj94HZvjb0VtTVHSULvQrwwoQ1UGxrHbx8g+uuxWXHTntPqasIU5JEBO6NdkpRDB0NZYHky0f/AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:10:12.437459Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.05897","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f61d69293c5d087f96204e8fb02ba24f9630b7a854fb532894c4a9a1e9f7f8ce","sha256:500063f7fba3fc757422a94778b47c3b3064332f96df1f20c9e9080f420f26d0"],"state_sha256":"a51ccdd43c0c16c1738fe7b076ca20ba7e9bbd5b958ba0395429d4f0e8bfe0ca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+2reDicRUeP0RXvDvMBRHyfv9UMb12W4ih7ZUPrJbnhtR65uAdasNhZIdyrgwcLpDS4212y/SU1Idogs8+y5DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T09:57:57.272982Z","bundle_sha256":"8e3acf0167cef89e70ba9075df6309208d1cfae5f3b34449bcccc53dff0ce87c"}}