{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:YDIZABZ7R62L2L7SRVOWTWEYS4","short_pith_number":"pith:YDIZABZ7","canonical_record":{"source":{"id":"1706.10244","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-06-30T15:41:58Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"f970e021cd8282965411e132edb02d7327a8b7a9cf001decfe014ccf41260d91","abstract_canon_sha256":"39b3de1e31527ff14501af3c5bc56849224351f9b18fb1855b85061072cd9f3a"},"schema_version":"1.0"},"canonical_sha256":"c0d190073f8fb4bd2ff28d5d69d898970c0b4a2d21c1ea1e2c648b175be019f6","source":{"kind":"arxiv","id":"1706.10244","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.10244","created_at":"2026-05-18T00:22:59Z"},{"alias_kind":"arxiv_version","alias_value":"1706.10244v3","created_at":"2026-05-18T00:22:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.10244","created_at":"2026-05-18T00:22:59Z"},{"alias_kind":"pith_short_12","alias_value":"YDIZABZ7R62L","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YDIZABZ7R62L2L7S","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YDIZABZ7","created_at":"2026-05-18T12:31:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:YDIZABZ7R62L2L7SRVOWTWEYS4","target":"record","payload":{"canonical_record":{"source":{"id":"1706.10244","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-06-30T15:41:58Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"f970e021cd8282965411e132edb02d7327a8b7a9cf001decfe014ccf41260d91","abstract_canon_sha256":"39b3de1e31527ff14501af3c5bc56849224351f9b18fb1855b85061072cd9f3a"},"schema_version":"1.0"},"canonical_sha256":"c0d190073f8fb4bd2ff28d5d69d898970c0b4a2d21c1ea1e2c648b175be019f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:59.215989Z","signature_b64":"LtH5bKXBGf9tCN9qSvtWe8rMOiymEg1o0pR13TVyOdonpn5t9agVNFE/5n1+EnWAq8Xf7VGyoCojqZGDt6kCBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c0d190073f8fb4bd2ff28d5d69d898970c0b4a2d21c1ea1e2c648b175be019f6","last_reissued_at":"2026-05-18T00:22:59.215432Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:59.215432Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.10244","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:22:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zDf1AWLLCHfKDOLOkg+vRxjlNOUqRMIX1BeCzzf5yYIoDNJw9Zi/20yPqT5uQ1q1VihZCOfqLB6aRM/1lC8+DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T06:39:14.162936Z"},"content_sha256":"8e6b39d9adaef0cf761744b99d0a89791e015d2c3c488e617463d7b052863a4b","schema_version":"1.0","event_id":"sha256:8e6b39d9adaef0cf761744b99d0a89791e015d2c3c488e617463d7b052863a4b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:YDIZABZ7R62L2L7SRVOWTWEYS4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A null test of General Relativity: New limits on Local Position Invariance and the variation of fundamental constants","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"gr-qc","authors_text":"Bijunath R. Patla, Neil Ashby, Thomas E. Parker","submitted_at":"2017-06-30T15:41:58Z","abstract_excerpt":"We compare the long-term fractional frequency variation of four hydrogen masers that are part of an ensemble of clocks comprising the National Institute of Standards and Technology,(NIST), Boulder, timescale with the fractional frequencies of primary frequency standards operated by leading metrology laboratories in the United States, France, Germany, Italy and the United Kingdom for a period extending more than 14 years. The measure of the assumed variation of non-gravitational interaction,(LPI parameter, $\\beta$)---within the atoms of H and Cs---over time as the earth orbits the sun, has been"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.10244","kind":"arxiv","version":3},"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":"2026-05-18T00:22:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d71C2gNh7lx73C4WvIL1x2dyg54Z1UXdsRy7tQ2egC3o9BqFLuagEIx+jmnKlKYA9Kp4VnGPRFvsptNd9NtyBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T06:39:14.163288Z"},"content_sha256":"0c0812a4c1c3f8bd3e944abc5984f38af1a4f850fe885e51abc9ff39575f6527","schema_version":"1.0","event_id":"sha256:0c0812a4c1c3f8bd3e944abc5984f38af1a4f850fe885e51abc9ff39575f6527"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YDIZABZ7R62L2L7SRVOWTWEYS4/bundle.json","state_url":"https://pith.science/pith/YDIZABZ7R62L2L7SRVOWTWEYS4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YDIZABZ7R62L2L7SRVOWTWEYS4/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":"2026-06-01T06:39:14Z","links":{"resolver":"https://pith.science/pith/YDIZABZ7R62L2L7SRVOWTWEYS4","bundle":"https://pith.science/pith/YDIZABZ7R62L2L7SRVOWTWEYS4/bundle.json","state":"https://pith.science/pith/YDIZABZ7R62L2L7SRVOWTWEYS4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YDIZABZ7R62L2L7SRVOWTWEYS4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:YDIZABZ7R62L2L7SRVOWTWEYS4","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":"39b3de1e31527ff14501af3c5bc56849224351f9b18fb1855b85061072cd9f3a","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-06-30T15:41:58Z","title_canon_sha256":"f970e021cd8282965411e132edb02d7327a8b7a9cf001decfe014ccf41260d91"},"schema_version":"1.0","source":{"id":"1706.10244","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.10244","created_at":"2026-05-18T00:22:59Z"},{"alias_kind":"arxiv_version","alias_value":"1706.10244v3","created_at":"2026-05-18T00:22:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.10244","created_at":"2026-05-18T00:22:59Z"},{"alias_kind":"pith_short_12","alias_value":"YDIZABZ7R62L","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YDIZABZ7R62L2L7S","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YDIZABZ7","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:0c0812a4c1c3f8bd3e944abc5984f38af1a4f850fe885e51abc9ff39575f6527","target":"graph","created_at":"2026-05-18T00:22:59Z","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 compare the long-term fractional frequency variation of four hydrogen masers that are part of an ensemble of clocks comprising the National Institute of Standards and Technology,(NIST), Boulder, timescale with the fractional frequencies of primary frequency standards operated by leading metrology laboratories in the United States, France, Germany, Italy and the United Kingdom for a period extending more than 14 years. The measure of the assumed variation of non-gravitational interaction,(LPI parameter, $\\beta$)---within the atoms of H and Cs---over time as the earth orbits the sun, has been","authors_text":"Bijunath R. Patla, Neil Ashby, Thomas E. Parker","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-06-30T15:41:58Z","title":"A null test of General Relativity: New limits on Local Position Invariance and the variation of fundamental constants"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.10244","kind":"arxiv","version":3},"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":"sha256:8e6b39d9adaef0cf761744b99d0a89791e015d2c3c488e617463d7b052863a4b","target":"record","created_at":"2026-05-18T00:22:59Z","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":"39b3de1e31527ff14501af3c5bc56849224351f9b18fb1855b85061072cd9f3a","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-06-30T15:41:58Z","title_canon_sha256":"f970e021cd8282965411e132edb02d7327a8b7a9cf001decfe014ccf41260d91"},"schema_version":"1.0","source":{"id":"1706.10244","kind":"arxiv","version":3}},"canonical_sha256":"c0d190073f8fb4bd2ff28d5d69d898970c0b4a2d21c1ea1e2c648b175be019f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c0d190073f8fb4bd2ff28d5d69d898970c0b4a2d21c1ea1e2c648b175be019f6","first_computed_at":"2026-05-18T00:22:59.215432Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:59.215432Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LtH5bKXBGf9tCN9qSvtWe8rMOiymEg1o0pR13TVyOdonpn5t9agVNFE/5n1+EnWAq8Xf7VGyoCojqZGDt6kCBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:59.215989Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.10244","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e6b39d9adaef0cf761744b99d0a89791e015d2c3c488e617463d7b052863a4b","sha256:0c0812a4c1c3f8bd3e944abc5984f38af1a4f850fe885e51abc9ff39575f6527"],"state_sha256":"d612e49e39c0c2de4cd14dc7252573bd99f3b49d24b8829ed03bd12015512bfd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TuHi3VjL/MBJ27HCYPrXNo5wYzjD+EdEjxrDZlvF5V4EBP4+P2rpxgNdEwRT6pGZ6V+N2XLw1JZimk6LotMPDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T06:39:14.165553Z","bundle_sha256":"fad405da3fb4fd9626ad30d5e28001d4223ccdd2a7a7612583e17aeb44a05432"}}