{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:SX2OCYL625EKGOX7SONRBNQVQK","short_pith_number":"pith:SX2OCYL6","canonical_record":{"source":{"id":"1206.3765","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-06-17T16:16:05Z","cross_cats_sorted":["gr-qc","physics.atom-ph"],"title_canon_sha256":"5334abd139d72af695706ff129d0d9e09196037e5d49754e3c3ce105b43eb214","abstract_canon_sha256":"f0b8b5e088ac4fdaa756f12645cc708404791ca7410d9b2c2b17c58fc5fa7846"},"schema_version":"1.0"},"canonical_sha256":"95f4e1617ed748a33aff939b10b61582b666dbd99087d28d38bbecc1d76d59e8","source":{"kind":"arxiv","id":"1206.3765","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.3765","created_at":"2026-05-18T03:53:18Z"},{"alias_kind":"arxiv_version","alias_value":"1206.3765v1","created_at":"2026-05-18T03:53:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.3765","created_at":"2026-05-18T03:53:18Z"},{"alias_kind":"pith_short_12","alias_value":"SX2OCYL625EK","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"SX2OCYL625EKGOX7","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"SX2OCYL6","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:SX2OCYL625EKGOX7SONRBNQVQK","target":"record","payload":{"canonical_record":{"source":{"id":"1206.3765","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-06-17T16:16:05Z","cross_cats_sorted":["gr-qc","physics.atom-ph"],"title_canon_sha256":"5334abd139d72af695706ff129d0d9e09196037e5d49754e3c3ce105b43eb214","abstract_canon_sha256":"f0b8b5e088ac4fdaa756f12645cc708404791ca7410d9b2c2b17c58fc5fa7846"},"schema_version":"1.0"},"canonical_sha256":"95f4e1617ed748a33aff939b10b61582b666dbd99087d28d38bbecc1d76d59e8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:53:18.803644Z","signature_b64":"D2yIzb0OR95NjA92nrxDtVmP994B7IdNJqN6guY4mF7JE3E56C05q04s+HdmMBGEXy6eHNKCXLjFEYx4pATWAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"95f4e1617ed748a33aff939b10b61582b666dbd99087d28d38bbecc1d76d59e8","last_reissued_at":"2026-05-18T03:53:18.803029Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:53:18.803029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.3765","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":"2026-05-18T03:53:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UjldGVyGK9Vnwa84GrSNTCRCdyLyDIdGjYUPnELdt5tzuChnp6JLygtl/GY4O0ud7g/BDI+agaMzqmR85RWRCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T00:58:49.073435Z"},"content_sha256":"d13fadbe37519fd6b2a4b002f06f3687fc47723db0cb73ab3954786069d21705","schema_version":"1.0","event_id":"sha256:d13fadbe37519fd6b2a4b002f06f3687fc47723db0cb73ab3954786069d21705"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:SX2OCYL625EKGOX7SONRBNQVQK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Space Optical Clocks Project: Development of high-performance transportable and breadboard optical clocks and advanced subsystems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"A. Donati, A. G\\\"orlitz, A. Kulosa, A. Nevsky, C. Abou-Jaoudeh, C. Braxmaier, Ch. Lisdat, D. Calonico, E. Rasel, F. Levi, G. Barwood, G. M. Tino, G. Mura, J. Lodewyck, J. Stuhler, K. Bongs, M. Schioppo, N. Poli, P. Gill, R. Holzwarth, S. Alighanbari, S. Bize, S. Falke, S. Lecomte, S. Schiller, S. Vasilyev, T. Franzen, U. Sterr, W. Kaenders, Y. Ovchinnikov, Y. Singh","submitted_at":"2012-06-17T16:16:05Z","abstract_excerpt":"The use of ultra-precise optical clocks in space (\"master clocks\") will allow for a range of new applications in the fields of fundamental physics (tests of Einstein's theory of General Relativity, time and frequency metrology by means of the comparison of distant terrestrial clocks), geophysics (mapping of the gravitational potential of Earth), and astronomy (providing local oscillators for radio ranging and interferometry in space). Within the ELIPS-3 program of ESA, the \"Space Optical Clocks\" (SOC) project aims to install and to operate an optical lattice clock on the ISS towards the end of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.3765","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":"2026-05-18T03:53:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KFXPANJIgpBnD62NEKhTy86KvaOH3UWGStcUpEZR+9xIyYWqJdWIzsQQHPMRnrGGfuFX6ssy1bxPpW4xS88hAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T00:58:49.073869Z"},"content_sha256":"f3e72e6e5f25096e0bb36f22c3a20d570ee587ea27306a24ffaba35104b1d13a","schema_version":"1.0","event_id":"sha256:f3e72e6e5f25096e0bb36f22c3a20d570ee587ea27306a24ffaba35104b1d13a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SX2OCYL625EKGOX7SONRBNQVQK/bundle.json","state_url":"https://pith.science/pith/SX2OCYL625EKGOX7SONRBNQVQK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SX2OCYL625EKGOX7SONRBNQVQK/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":"2026-06-01T00:58:49Z","links":{"resolver":"https://pith.science/pith/SX2OCYL625EKGOX7SONRBNQVQK","bundle":"https://pith.science/pith/SX2OCYL625EKGOX7SONRBNQVQK/bundle.json","state":"https://pith.science/pith/SX2OCYL625EKGOX7SONRBNQVQK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SX2OCYL625EKGOX7SONRBNQVQK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:SX2OCYL625EKGOX7SONRBNQVQK","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":"f0b8b5e088ac4fdaa756f12645cc708404791ca7410d9b2c2b17c58fc5fa7846","cross_cats_sorted":["gr-qc","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-06-17T16:16:05Z","title_canon_sha256":"5334abd139d72af695706ff129d0d9e09196037e5d49754e3c3ce105b43eb214"},"schema_version":"1.0","source":{"id":"1206.3765","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.3765","created_at":"2026-05-18T03:53:18Z"},{"alias_kind":"arxiv_version","alias_value":"1206.3765v1","created_at":"2026-05-18T03:53:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.3765","created_at":"2026-05-18T03:53:18Z"},{"alias_kind":"pith_short_12","alias_value":"SX2OCYL625EK","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"SX2OCYL625EKGOX7","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"SX2OCYL6","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:f3e72e6e5f25096e0bb36f22c3a20d570ee587ea27306a24ffaba35104b1d13a","target":"graph","created_at":"2026-05-18T03:53:18Z","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":"The use of ultra-precise optical clocks in space (\"master clocks\") will allow for a range of new applications in the fields of fundamental physics (tests of Einstein's theory of General Relativity, time and frequency metrology by means of the comparison of distant terrestrial clocks), geophysics (mapping of the gravitational potential of Earth), and astronomy (providing local oscillators for radio ranging and interferometry in space). Within the ELIPS-3 program of ESA, the \"Space Optical Clocks\" (SOC) project aims to install and to operate an optical lattice clock on the ISS towards the end of","authors_text":"A. Donati, A. G\\\"orlitz, A. Kulosa, A. Nevsky, C. Abou-Jaoudeh, C. Braxmaier, Ch. Lisdat, D. Calonico, E. Rasel, F. Levi, G. Barwood, G. M. Tino, G. Mura, J. Lodewyck, J. Stuhler, K. Bongs, M. Schioppo, N. Poli, P. Gill, R. Holzwarth, S. Alighanbari, S. Bize, S. Falke, S. Lecomte, S. Schiller, S. Vasilyev, T. Franzen, U. Sterr, W. Kaenders, Y. Ovchinnikov, Y. Singh","cross_cats":["gr-qc","physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-06-17T16:16:05Z","title":"The Space Optical Clocks Project: Development of high-performance transportable and breadboard optical clocks and advanced subsystems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.3765","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:d13fadbe37519fd6b2a4b002f06f3687fc47723db0cb73ab3954786069d21705","target":"record","created_at":"2026-05-18T03:53:18Z","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":"f0b8b5e088ac4fdaa756f12645cc708404791ca7410d9b2c2b17c58fc5fa7846","cross_cats_sorted":["gr-qc","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-06-17T16:16:05Z","title_canon_sha256":"5334abd139d72af695706ff129d0d9e09196037e5d49754e3c3ce105b43eb214"},"schema_version":"1.0","source":{"id":"1206.3765","kind":"arxiv","version":1}},"canonical_sha256":"95f4e1617ed748a33aff939b10b61582b666dbd99087d28d38bbecc1d76d59e8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"95f4e1617ed748a33aff939b10b61582b666dbd99087d28d38bbecc1d76d59e8","first_computed_at":"2026-05-18T03:53:18.803029Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:53:18.803029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D2yIzb0OR95NjA92nrxDtVmP994B7IdNJqN6guY4mF7JE3E56C05q04s+HdmMBGEXy6eHNKCXLjFEYx4pATWAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:53:18.803644Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.3765","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d13fadbe37519fd6b2a4b002f06f3687fc47723db0cb73ab3954786069d21705","sha256:f3e72e6e5f25096e0bb36f22c3a20d570ee587ea27306a24ffaba35104b1d13a"],"state_sha256":"5606e749f5dedb9a72936c1c60e29c725084e4cd66faf9949c8715fb3ecf70aa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tgDbG1M45z924pqA/geBZkZ4z8QxtcetDabNVT0jfCFDAHnYXyj6ivh3dLsmZZnAqYlSF2ldsi4iwbfqNaOsDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T00:58:49.077804Z","bundle_sha256":"f4dcb82631d5811cd8828811b45f895270de21c2ea0b7cc6ade9c440055dc889"}}