{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:RCIMTRUXCXXIS4AZW7PK4VIP7J","short_pith_number":"pith:RCIMTRUX","canonical_record":{"source":{"id":"2106.10764","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2021-06-20T22:22:30Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"8342288411d7c1c19cd4983de591cf94d85fd6600c6718ba0b0f62a5e081208c","abstract_canon_sha256":"f750bf2e0fd906981599174b2577d88e16d13c9b1c99b4afbef450d3901fb269"},"schema_version":"1.0"},"canonical_sha256":"8890c9c69715ee897019b7deae550ffa495da825954a8a2651598db9c3927a6d","source":{"kind":"arxiv","id":"2106.10764","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.10764","created_at":"2026-07-05T02:50:53Z"},{"alias_kind":"arxiv_version","alias_value":"2106.10764v1","created_at":"2026-07-05T02:50:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.10764","created_at":"2026-07-05T02:50:53Z"},{"alias_kind":"pith_short_12","alias_value":"RCIMTRUXCXXI","created_at":"2026-07-05T02:50:53Z"},{"alias_kind":"pith_short_16","alias_value":"RCIMTRUXCXXIS4AZ","created_at":"2026-07-05T02:50:53Z"},{"alias_kind":"pith_short_8","alias_value":"RCIMTRUX","created_at":"2026-07-05T02:50:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:RCIMTRUXCXXIS4AZW7PK4VIP7J","target":"record","payload":{"canonical_record":{"source":{"id":"2106.10764","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2021-06-20T22:22:30Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"8342288411d7c1c19cd4983de591cf94d85fd6600c6718ba0b0f62a5e081208c","abstract_canon_sha256":"f750bf2e0fd906981599174b2577d88e16d13c9b1c99b4afbef450d3901fb269"},"schema_version":"1.0"},"canonical_sha256":"8890c9c69715ee897019b7deae550ffa495da825954a8a2651598db9c3927a6d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:50:53.053492Z","signature_b64":"OE0YfHz23slJTgeCtR5cIgrDemEGui3PDiPefbNHHiSU+lrH/An8vEiE+4uocwimtfsvC0t7JanbwAMOngoNCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8890c9c69715ee897019b7deae550ffa495da825954a8a2651598db9c3927a6d","last_reissued_at":"2026-07-05T02:50:53.053123Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:50:53.053123Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2106.10764","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":"2026-07-05T02:50:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZNo2RQdz8J3xUF2jMOzMRd+h8NZz/JQu6DMu66zMkrogVVdriN6eLQHtw2oO/cXLdXneTkBbqPvvz8C79HQ/Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T12:37:19.851267Z"},"content_sha256":"2b00dc620d899055a0f6f8d527c42b80408e8123ca14af84370e4aaaa5d7d77d","schema_version":"1.0","event_id":"sha256:2b00dc620d899055a0f6f8d527c42b80408e8123ca14af84370e4aaaa5d7d77d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:RCIMTRUXCXXIS4AZW7PK4VIP7J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Microresonator frequency reference for terahertz precision sensing and metrology","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"physics.optics","authors_text":"Dominik Walter Vogt, Rainer Leonhardt, Rishabh Gandhi","submitted_at":"2021-06-20T22:22:30Z","abstract_excerpt":"Highly sensitive terahertz (THz) sensors for a myriad of applications are rapidly evolving. A widespread sensor concept is based on the detection of minute resonance frequency shifts due to a targeted specimen in the sensors environment. Therefore, cutting-edge high resolution continuous wave (CW) THz spectrometers provide very powerful tools to investigate the sensors' performances. However, unpredictable yet non negligible frequency drifts common to state-of-the-art CW THz spectrometers limit the sensors' accuracy for ultra-high precision sensing and metrology. Here, we overcome this deficie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.10764","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2106.10764/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:50:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/oPyGdnLO211fZczZucq1Q7qK29tVNSh2Q6QLwjUVp1yvS9sPq3Z2j1wqqPHvI2rSE2YdinIGNJovhbomd61CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T12:37:19.851769Z"},"content_sha256":"b060be9681368816ff91d87ad5da9b12619d61157e110eb0dbcab907403b8006","schema_version":"1.0","event_id":"sha256:b060be9681368816ff91d87ad5da9b12619d61157e110eb0dbcab907403b8006"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RCIMTRUXCXXIS4AZW7PK4VIP7J/bundle.json","state_url":"https://pith.science/pith/RCIMTRUXCXXIS4AZW7PK4VIP7J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RCIMTRUXCXXIS4AZW7PK4VIP7J/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":"2026-08-07T12:37:19Z","links":{"resolver":"https://pith.science/pith/RCIMTRUXCXXIS4AZW7PK4VIP7J","bundle":"https://pith.science/pith/RCIMTRUXCXXIS4AZW7PK4VIP7J/bundle.json","state":"https://pith.science/pith/RCIMTRUXCXXIS4AZW7PK4VIP7J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RCIMTRUXCXXIS4AZW7PK4VIP7J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:RCIMTRUXCXXIS4AZW7PK4VIP7J","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":"f750bf2e0fd906981599174b2577d88e16d13c9b1c99b4afbef450d3901fb269","cross_cats_sorted":["physics.ins-det"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2021-06-20T22:22:30Z","title_canon_sha256":"8342288411d7c1c19cd4983de591cf94d85fd6600c6718ba0b0f62a5e081208c"},"schema_version":"1.0","source":{"id":"2106.10764","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.10764","created_at":"2026-07-05T02:50:53Z"},{"alias_kind":"arxiv_version","alias_value":"2106.10764v1","created_at":"2026-07-05T02:50:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.10764","created_at":"2026-07-05T02:50:53Z"},{"alias_kind":"pith_short_12","alias_value":"RCIMTRUXCXXI","created_at":"2026-07-05T02:50:53Z"},{"alias_kind":"pith_short_16","alias_value":"RCIMTRUXCXXIS4AZ","created_at":"2026-07-05T02:50:53Z"},{"alias_kind":"pith_short_8","alias_value":"RCIMTRUX","created_at":"2026-07-05T02:50:53Z"}],"graph_snapshots":[{"event_id":"sha256:b060be9681368816ff91d87ad5da9b12619d61157e110eb0dbcab907403b8006","target":"graph","created_at":"2026-07-05T02:50:53Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2106.10764/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Highly sensitive terahertz (THz) sensors for a myriad of applications are rapidly evolving. A widespread sensor concept is based on the detection of minute resonance frequency shifts due to a targeted specimen in the sensors environment. Therefore, cutting-edge high resolution continuous wave (CW) THz spectrometers provide very powerful tools to investigate the sensors' performances. However, unpredictable yet non negligible frequency drifts common to state-of-the-art CW THz spectrometers limit the sensors' accuracy for ultra-high precision sensing and metrology. Here, we overcome this deficie","authors_text":"Dominik Walter Vogt, Rainer Leonhardt, Rishabh Gandhi","cross_cats":["physics.ins-det"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2021-06-20T22:22:30Z","title":"Microresonator frequency reference for terahertz precision sensing and metrology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.10764","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":"sha256:2b00dc620d899055a0f6f8d527c42b80408e8123ca14af84370e4aaaa5d7d77d","target":"record","created_at":"2026-07-05T02:50:53Z","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":"f750bf2e0fd906981599174b2577d88e16d13c9b1c99b4afbef450d3901fb269","cross_cats_sorted":["physics.ins-det"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2021-06-20T22:22:30Z","title_canon_sha256":"8342288411d7c1c19cd4983de591cf94d85fd6600c6718ba0b0f62a5e081208c"},"schema_version":"1.0","source":{"id":"2106.10764","kind":"arxiv","version":1}},"canonical_sha256":"8890c9c69715ee897019b7deae550ffa495da825954a8a2651598db9c3927a6d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8890c9c69715ee897019b7deae550ffa495da825954a8a2651598db9c3927a6d","first_computed_at":"2026-07-05T02:50:53.053123Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:50:53.053123Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OE0YfHz23slJTgeCtR5cIgrDemEGui3PDiPefbNHHiSU+lrH/An8vEiE+4uocwimtfsvC0t7JanbwAMOngoNCA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:50:53.053492Z","signed_message":"canonical_sha256_bytes"},"source_id":"2106.10764","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2b00dc620d899055a0f6f8d527c42b80408e8123ca14af84370e4aaaa5d7d77d","sha256:b060be9681368816ff91d87ad5da9b12619d61157e110eb0dbcab907403b8006"],"state_sha256":"9b150a8517fcd90a069048f1921ecd1d76aa8d3f8b60fd768f4c0d10d100c188"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VAbrYm1nFJYjviXWSReZpsjTAZyH0ue9F+6YyRqyvyTctkUdsXnyP3s5vd7S7LQ8EfJ+iNGctSgWIyf1mMuyDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T12:37:19.855601Z","bundle_sha256":"94f8e5231627c6cb23028d350dd27e912840db6339142bf10daf4ecd19e84a88"}}