{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:5XH7MWYYRAH4YLX6Y76UJ5QOAR","short_pith_number":"pith:5XH7MWYY","canonical_record":{"source":{"id":"1203.5592","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-03-26T07:26:15Z","cross_cats_sorted":["astro-ph.CO","hep-ph","physics.atom-ph","physics.space-ph"],"title_canon_sha256":"deddcc5d3cb0a89bc9f152e0ac2333ee0e81141ccc87f0331f0e6ed9c38a528f","abstract_canon_sha256":"c89c3c166edf15b8eabb85292d64b0205b84d8efb667d4ead1218dc0082061a6"},"schema_version":"1.0"},"canonical_sha256":"edcff65b18880fcc2efec7fd44f60e046d7d893c029a95fc3089ad1554d2c0e8","source":{"kind":"arxiv","id":"1203.5592","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.5592","created_at":"2026-05-18T03:45:55Z"},{"alias_kind":"arxiv_version","alias_value":"1203.5592v1","created_at":"2026-05-18T03:45:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.5592","created_at":"2026-05-18T03:45:55Z"},{"alias_kind":"pith_short_12","alias_value":"5XH7MWYYRAH4","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5XH7MWYYRAH4YLX6","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5XH7MWYY","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:5XH7MWYYRAH4YLX6Y76UJ5QOAR","target":"record","payload":{"canonical_record":{"source":{"id":"1203.5592","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-03-26T07:26:15Z","cross_cats_sorted":["astro-ph.CO","hep-ph","physics.atom-ph","physics.space-ph"],"title_canon_sha256":"deddcc5d3cb0a89bc9f152e0ac2333ee0e81141ccc87f0331f0e6ed9c38a528f","abstract_canon_sha256":"c89c3c166edf15b8eabb85292d64b0205b84d8efb667d4ead1218dc0082061a6"},"schema_version":"1.0"},"canonical_sha256":"edcff65b18880fcc2efec7fd44f60e046d7d893c029a95fc3089ad1554d2c0e8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:45:55.415101Z","signature_b64":"wFE4uSXeAYYVEia3HfmY0aWUoejOGKcrH7Bu0qgA1DkchS0mFw7Rv3oEBc1E9I1y98yQvPKPjTsRFLPcYXG5Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"edcff65b18880fcc2efec7fd44f60e046d7d893c029a95fc3089ad1554d2c0e8","last_reissued_at":"2026-05-18T03:45:55.414293Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:45:55.414293Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1203.5592","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":"2026-05-18T03:45:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hKtj5AowZ+tJwelsJjpMajka+NAruog/aI9Un1nUmUtOUE46p/y00X03U3k4T8I4xrA6teHko1ARv2fDXJ6yBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:48:06.465047Z"},"content_sha256":"c09d6fc877daaba6a47fca081aff7a51552f411d00d2ce20175553548e2a8462","schema_version":"1.0","event_id":"sha256:c09d6fc877daaba6a47fca081aff7a51552f411d00d2ce20175553548e2a8462"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:5XH7MWYYRAH4YLX6Y76UJ5QOAR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comment on \"Global Positioning System Test of the Local Position Invariance of Planck's Constant\"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph","physics.atom-ph","physics.space-ph"],"primary_cat":"gr-qc","authors_text":"J. C. Berengut, V. V. Flambaum","submitted_at":"2012-03-26T07:26:15Z","abstract_excerpt":"In their Letter, Kentosh and Mohageg [Phys. Rev. Lett. 108, 110801 (2012)] seek to use data from clocks aboard global positioning system (GPS) satellites to place limits on local position invariance (LPI) violations of Planck's constant, h. It is the purpose of this comment to show that discussing limits on variation of dimensional constants (such as h) is not meaningful; that even within a correct framework it is not possible to extract limits on variation of fundamental constants from a single type of clock aboard GPS satellites; and to correct an important misconception in the authors' inte"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.5592","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":"2026-05-18T03:45:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zHzYTQevSxIuN0If3ujmZrckVNcK5xHl8lNok/nF0Uf2QpudgAYuOCreSYflXl8ISLhfLSFBgWppuxrjaNjOBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:48:06.465714Z"},"content_sha256":"4e4dc77a5fc6327d7458e9898fcef41c5c454e28c65198e8cb2930869606c7bf","schema_version":"1.0","event_id":"sha256:4e4dc77a5fc6327d7458e9898fcef41c5c454e28c65198e8cb2930869606c7bf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5XH7MWYYRAH4YLX6Y76UJ5QOAR/bundle.json","state_url":"https://pith.science/pith/5XH7MWYYRAH4YLX6Y76UJ5QOAR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5XH7MWYYRAH4YLX6Y76UJ5QOAR/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":"2026-05-30T14:48:06Z","links":{"resolver":"https://pith.science/pith/5XH7MWYYRAH4YLX6Y76UJ5QOAR","bundle":"https://pith.science/pith/5XH7MWYYRAH4YLX6Y76UJ5QOAR/bundle.json","state":"https://pith.science/pith/5XH7MWYYRAH4YLX6Y76UJ5QOAR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5XH7MWYYRAH4YLX6Y76UJ5QOAR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:5XH7MWYYRAH4YLX6Y76UJ5QOAR","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":"c89c3c166edf15b8eabb85292d64b0205b84d8efb667d4ead1218dc0082061a6","cross_cats_sorted":["astro-ph.CO","hep-ph","physics.atom-ph","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-03-26T07:26:15Z","title_canon_sha256":"deddcc5d3cb0a89bc9f152e0ac2333ee0e81141ccc87f0331f0e6ed9c38a528f"},"schema_version":"1.0","source":{"id":"1203.5592","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.5592","created_at":"2026-05-18T03:45:55Z"},{"alias_kind":"arxiv_version","alias_value":"1203.5592v1","created_at":"2026-05-18T03:45:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.5592","created_at":"2026-05-18T03:45:55Z"},{"alias_kind":"pith_short_12","alias_value":"5XH7MWYYRAH4","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5XH7MWYYRAH4YLX6","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5XH7MWYY","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:4e4dc77a5fc6327d7458e9898fcef41c5c454e28c65198e8cb2930869606c7bf","target":"graph","created_at":"2026-05-18T03:45:55Z","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":"In their Letter, Kentosh and Mohageg [Phys. Rev. Lett. 108, 110801 (2012)] seek to use data from clocks aboard global positioning system (GPS) satellites to place limits on local position invariance (LPI) violations of Planck's constant, h. It is the purpose of this comment to show that discussing limits on variation of dimensional constants (such as h) is not meaningful; that even within a correct framework it is not possible to extract limits on variation of fundamental constants from a single type of clock aboard GPS satellites; and to correct an important misconception in the authors' inte","authors_text":"J. C. Berengut, V. V. Flambaum","cross_cats":["astro-ph.CO","hep-ph","physics.atom-ph","physics.space-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-03-26T07:26:15Z","title":"Comment on \"Global Positioning System Test of the Local Position Invariance of Planck's Constant\""},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.5592","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:c09d6fc877daaba6a47fca081aff7a51552f411d00d2ce20175553548e2a8462","target":"record","created_at":"2026-05-18T03:45:55Z","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":"c89c3c166edf15b8eabb85292d64b0205b84d8efb667d4ead1218dc0082061a6","cross_cats_sorted":["astro-ph.CO","hep-ph","physics.atom-ph","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-03-26T07:26:15Z","title_canon_sha256":"deddcc5d3cb0a89bc9f152e0ac2333ee0e81141ccc87f0331f0e6ed9c38a528f"},"schema_version":"1.0","source":{"id":"1203.5592","kind":"arxiv","version":1}},"canonical_sha256":"edcff65b18880fcc2efec7fd44f60e046d7d893c029a95fc3089ad1554d2c0e8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"edcff65b18880fcc2efec7fd44f60e046d7d893c029a95fc3089ad1554d2c0e8","first_computed_at":"2026-05-18T03:45:55.414293Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:45:55.414293Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wFE4uSXeAYYVEia3HfmY0aWUoejOGKcrH7Bu0qgA1DkchS0mFw7Rv3oEBc1E9I1y98yQvPKPjTsRFLPcYXG5Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:45:55.415101Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.5592","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c09d6fc877daaba6a47fca081aff7a51552f411d00d2ce20175553548e2a8462","sha256:4e4dc77a5fc6327d7458e9898fcef41c5c454e28c65198e8cb2930869606c7bf"],"state_sha256":"7fb54f09800c0658d68d255b4e2a13f84ef289f7c61c11eb4d5d13341a8635d9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kUpsO7vdPSeLz48c5BTpJlRp8EN/w0PYp3bDaAhmcowB8skpjlySpVvHvEP+SS+OpS86wBo/O5opb0FA6CHqBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T14:48:06.469038Z","bundle_sha256":"63ce1ef65536629c40f2301c1ac25c6bd61dcfa8e30a722bc36f3ad59144e9f9"}}