{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:FGGCOZJRBS2RBT6XMGC3MUGFHL","short_pith_number":"pith:FGGCOZJR","canonical_record":{"source":{"id":"1901.03971","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-01-05T18:41:45Z","cross_cats_sorted":[],"title_canon_sha256":"7e6ccbe0a4b43b927adbb9eaa9c12cc895f6b7ccc8e935d26822ad92c161e35f","abstract_canon_sha256":"653ae71833792d63637e025cef454783556f6249bd257d78b07be0ed3946e427"},"schema_version":"1.0"},"canonical_sha256":"298c2765310cb510cfd76185b650c53afbdcedf7b4e3598302233eaa3697c5dc","source":{"kind":"arxiv","id":"1901.03971","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.03971","created_at":"2026-05-17T23:56:26Z"},{"alias_kind":"arxiv_version","alias_value":"1901.03971v1","created_at":"2026-05-17T23:56:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.03971","created_at":"2026-05-17T23:56:26Z"},{"alias_kind":"pith_short_12","alias_value":"FGGCOZJRBS2R","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"FGGCOZJRBS2RBT6X","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"FGGCOZJR","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:FGGCOZJRBS2RBT6XMGC3MUGFHL","target":"record","payload":{"canonical_record":{"source":{"id":"1901.03971","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-01-05T18:41:45Z","cross_cats_sorted":[],"title_canon_sha256":"7e6ccbe0a4b43b927adbb9eaa9c12cc895f6b7ccc8e935d26822ad92c161e35f","abstract_canon_sha256":"653ae71833792d63637e025cef454783556f6249bd257d78b07be0ed3946e427"},"schema_version":"1.0"},"canonical_sha256":"298c2765310cb510cfd76185b650c53afbdcedf7b4e3598302233eaa3697c5dc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:26.597830Z","signature_b64":"oUXqgg0V8iNRoBiplUy0dm2TgS75MZEKetMgkc0Z5ygdpa84q1OyF5Nvs1TfIVrGJoaDqelyp6mCTAkb45jcBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"298c2765310cb510cfd76185b650c53afbdcedf7b4e3598302233eaa3697c5dc","last_reissued_at":"2026-05-17T23:56:26.597366Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:26.597366Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.03971","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":"2026-05-17T23:56:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vp20A9AD8rFXQCfeQ14DzJX5vg1DI3TgiDEf2ztpyb54MVsKQSGfSXr4eokC6/rITmeR5vApjCJMcSraFcr3DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T08:13:36.148551Z"},"content_sha256":"53a6d481179021dea638bd78ea1dbb05fb2ee2435bd4e1b315da3005d0487351","schema_version":"1.0","event_id":"sha256:53a6d481179021dea638bd78ea1dbb05fb2ee2435bd4e1b315da3005d0487351"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:FGGCOZJRBS2RBT6XMGC3MUGFHL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Synchronization in Uniformly Accelerated Frames","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Tzvi Scarr","submitted_at":"2019-01-05T18:41:45Z","abstract_excerpt":"We show that a system is uniformly accelerated if and only if all of the clocks in the system can be synchronized to each other, and the clocks will remain synchronized as long as the acceleration remains uniform. In particular, it is possible to synchronize clocks on a disk rotating with constant angular velocity. Conventional thinking holds that this is impossible because a time gap invariably arises."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.03971","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":""},"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":"2026-05-17T23:56:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ghs/B8TNptcSfPQda299t1LWTJskEXFCw2ioSFLpK1oV7R/Ym6q7CTQ7Q50g+DIkzpzpqnlnR9oYonpkPT+HCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T08:13:36.149090Z"},"content_sha256":"b2099bbc3b2120fd5868ebe8250264fee725673d55872fe11a3c9d0ed54ee5e0","schema_version":"1.0","event_id":"sha256:b2099bbc3b2120fd5868ebe8250264fee725673d55872fe11a3c9d0ed54ee5e0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FGGCOZJRBS2RBT6XMGC3MUGFHL/bundle.json","state_url":"https://pith.science/pith/FGGCOZJRBS2RBT6XMGC3MUGFHL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FGGCOZJRBS2RBT6XMGC3MUGFHL/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":"2026-06-12T08:13:36Z","links":{"resolver":"https://pith.science/pith/FGGCOZJRBS2RBT6XMGC3MUGFHL","bundle":"https://pith.science/pith/FGGCOZJRBS2RBT6XMGC3MUGFHL/bundle.json","state":"https://pith.science/pith/FGGCOZJRBS2RBT6XMGC3MUGFHL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FGGCOZJRBS2RBT6XMGC3MUGFHL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:FGGCOZJRBS2RBT6XMGC3MUGFHL","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":"653ae71833792d63637e025cef454783556f6249bd257d78b07be0ed3946e427","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-01-05T18:41:45Z","title_canon_sha256":"7e6ccbe0a4b43b927adbb9eaa9c12cc895f6b7ccc8e935d26822ad92c161e35f"},"schema_version":"1.0","source":{"id":"1901.03971","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.03971","created_at":"2026-05-17T23:56:26Z"},{"alias_kind":"arxiv_version","alias_value":"1901.03971v1","created_at":"2026-05-17T23:56:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.03971","created_at":"2026-05-17T23:56:26Z"},{"alias_kind":"pith_short_12","alias_value":"FGGCOZJRBS2R","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"FGGCOZJRBS2RBT6X","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"FGGCOZJR","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:b2099bbc3b2120fd5868ebe8250264fee725673d55872fe11a3c9d0ed54ee5e0","target":"graph","created_at":"2026-05-17T23:56:26Z","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":"We show that a system is uniformly accelerated if and only if all of the clocks in the system can be synchronized to each other, and the clocks will remain synchronized as long as the acceleration remains uniform. In particular, it is possible to synchronize clocks on a disk rotating with constant angular velocity. Conventional thinking holds that this is impossible because a time gap invariably arises.","authors_text":"Tzvi Scarr","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-01-05T18:41:45Z","title":"Synchronization in Uniformly Accelerated Frames"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.03971","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":"sha256:53a6d481179021dea638bd78ea1dbb05fb2ee2435bd4e1b315da3005d0487351","target":"record","created_at":"2026-05-17T23:56:26Z","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":"653ae71833792d63637e025cef454783556f6249bd257d78b07be0ed3946e427","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-01-05T18:41:45Z","title_canon_sha256":"7e6ccbe0a4b43b927adbb9eaa9c12cc895f6b7ccc8e935d26822ad92c161e35f"},"schema_version":"1.0","source":{"id":"1901.03971","kind":"arxiv","version":1}},"canonical_sha256":"298c2765310cb510cfd76185b650c53afbdcedf7b4e3598302233eaa3697c5dc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"298c2765310cb510cfd76185b650c53afbdcedf7b4e3598302233eaa3697c5dc","first_computed_at":"2026-05-17T23:56:26.597366Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:26.597366Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oUXqgg0V8iNRoBiplUy0dm2TgS75MZEKetMgkc0Z5ygdpa84q1OyF5Nvs1TfIVrGJoaDqelyp6mCTAkb45jcBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:26.597830Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.03971","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:53a6d481179021dea638bd78ea1dbb05fb2ee2435bd4e1b315da3005d0487351","sha256:b2099bbc3b2120fd5868ebe8250264fee725673d55872fe11a3c9d0ed54ee5e0"],"state_sha256":"c68f4a0b78e71009ca1f88aebfe2ed767372898117a0acd635caaee2da240e4d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v+0QLR9UyzQRlYNR2/QSIIyNJwgr6aRqpzZv+ELTklK0gPncvK4sfwrcqyoN0lo6aczmt6ciqjmuwlQ3OikcAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T08:13:36.151951Z","bundle_sha256":"404912098cbb503723ad708c3e8a746588fa99aaeffcf7a2fbc8f774b4b9cc62"}}