{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:3M5SMKXZRYULGKDOMN6QQDAAZI","short_pith_number":"pith:3M5SMKXZ","canonical_record":{"source":{"id":"2109.03145","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-09-07T15:26:49Z","cross_cats_sorted":[],"title_canon_sha256":"3286a993e47b0e7ebf20bd4fcf3ff211d52e320f999a89a5c88ac9fc6949178d","abstract_canon_sha256":"1860a530dd7b91d8f93fd57eefa3d1e0b4acba6f50f246b6b45cab0d9f3717ba"},"schema_version":"1.0"},"canonical_sha256":"db3b262af98e28b3286e637d080c00ca186240e3ecc2dc9d1d4fd685c51cd6a5","source":{"kind":"arxiv","id":"2109.03145","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.03145","created_at":"2026-07-05T03:39:30Z"},{"alias_kind":"arxiv_version","alias_value":"2109.03145v3","created_at":"2026-07-05T03:39:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.03145","created_at":"2026-07-05T03:39:30Z"},{"alias_kind":"pith_short_12","alias_value":"3M5SMKXZRYUL","created_at":"2026-07-05T03:39:30Z"},{"alias_kind":"pith_short_16","alias_value":"3M5SMKXZRYULGKDO","created_at":"2026-07-05T03:39:30Z"},{"alias_kind":"pith_short_8","alias_value":"3M5SMKXZ","created_at":"2026-07-05T03:39:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:3M5SMKXZRYULGKDOMN6QQDAAZI","target":"record","payload":{"canonical_record":{"source":{"id":"2109.03145","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-09-07T15:26:49Z","cross_cats_sorted":[],"title_canon_sha256":"3286a993e47b0e7ebf20bd4fcf3ff211d52e320f999a89a5c88ac9fc6949178d","abstract_canon_sha256":"1860a530dd7b91d8f93fd57eefa3d1e0b4acba6f50f246b6b45cab0d9f3717ba"},"schema_version":"1.0"},"canonical_sha256":"db3b262af98e28b3286e637d080c00ca186240e3ecc2dc9d1d4fd685c51cd6a5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:39:30.677438Z","signature_b64":"hVN4X2keb9NGo9HC6LSKwconUX9pFcQxWB8tgpMZkLkh3i3JD/xR4UBCaifZs/VGRQRX0ujctIfpkjvm6lSsDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db3b262af98e28b3286e637d080c00ca186240e3ecc2dc9d1d4fd685c51cd6a5","last_reissued_at":"2026-07-05T03:39:30.676925Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:39:30.676925Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.03145","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":"2026-07-05T03:39:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q1vlvcHFmvGpFfoXabkQ1DLMpJ2WXIczZfnrdkGXZIZWUAVfuT9UGWT/2uRrsy0FDAaLvQAHYh4jNay7z6SBAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T16:50:23.214891Z"},"content_sha256":"60d521b28367a097dd19e5bc4354cd47b278e5e0f67c708456993ee1e741760a","schema_version":"1.0","event_id":"sha256:60d521b28367a097dd19e5bc4354cd47b278e5e0f67c708456993ee1e741760a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:3M5SMKXZRYULGKDOMN6QQDAAZI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Accurate sky signal reconstruction for ground-based spectroscopy with kinetic inductance detectors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. Beelen, A. Benoit, A. Bideaud, A. Catalano, A. Fasano., A. Gomez, A. Monfardini, A. P. de Taoro, C. Hoarau, C. Tucker, C. Vescovi, D. Tourres, G. Bres, G. Garde, G. Lagache, G. Pisano, J. A. Castro-Almaz\\'an, J. A. Rubi\\~no-Mart\\'in, J. Bounmy, J. F. Mac\\'ias-P\\'erez, J. Goupy, J. Marpaud, M. Aguiar, M. Calvo, M. De Petris, M. Fern\\'andez-Torreiro, M. F. G\\'omez-Renasco, M. Marton, M. W. Peel, N. Ponthieu, O. Bourrion, P. De Bernardis, R. G\\'enova-Santos, R. Hoyland, R. Rebolo, S. Roudier","submitted_at":"2021-09-07T15:26:49Z","abstract_excerpt":"Context. Wide-field spectrometers are needed to deal with current astrophysical challenges that require multiband observations at millimeter wavelengths. An example of these is the KIDs Interferometer Spectrum Survey (KISS), which uses two arrays of kinetic inductance detectors (KIDs) coupled to a Martin-Puplett interferometer (MPI). KISS has a wide instantaneous field of view (1 deg in diameter) and a spectral resolution up to 1.45 GHz in the 120-180 GHz electromagnetic band. The instrument is installed on the 2.25 m Q-U-I JOint TEnerife telescope in Teide Observatory (Tenerife, Canary Island"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.03145","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2109.03145/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":"2026-07-05T03:39:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cRCWeaZOShOZZplxpKpXbZAG12THypVY7DaicKZnqqQzCdjdzy/yz22rFBdsXwvwENoTajTmldl456q3LehxDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T16:50:23.215457Z"},"content_sha256":"03ab9178429149f7b47c331865a32c434f15d116336725cb7483a7f770879f42","schema_version":"1.0","event_id":"sha256:03ab9178429149f7b47c331865a32c434f15d116336725cb7483a7f770879f42"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3M5SMKXZRYULGKDOMN6QQDAAZI/bundle.json","state_url":"https://pith.science/pith/3M5SMKXZRYULGKDOMN6QQDAAZI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3M5SMKXZRYULGKDOMN6QQDAAZI/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":"2026-08-04T16:50:23Z","links":{"resolver":"https://pith.science/pith/3M5SMKXZRYULGKDOMN6QQDAAZI","bundle":"https://pith.science/pith/3M5SMKXZRYULGKDOMN6QQDAAZI/bundle.json","state":"https://pith.science/pith/3M5SMKXZRYULGKDOMN6QQDAAZI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3M5SMKXZRYULGKDOMN6QQDAAZI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:3M5SMKXZRYULGKDOMN6QQDAAZI","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":"1860a530dd7b91d8f93fd57eefa3d1e0b4acba6f50f246b6b45cab0d9f3717ba","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-09-07T15:26:49Z","title_canon_sha256":"3286a993e47b0e7ebf20bd4fcf3ff211d52e320f999a89a5c88ac9fc6949178d"},"schema_version":"1.0","source":{"id":"2109.03145","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.03145","created_at":"2026-07-05T03:39:30Z"},{"alias_kind":"arxiv_version","alias_value":"2109.03145v3","created_at":"2026-07-05T03:39:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.03145","created_at":"2026-07-05T03:39:30Z"},{"alias_kind":"pith_short_12","alias_value":"3M5SMKXZRYUL","created_at":"2026-07-05T03:39:30Z"},{"alias_kind":"pith_short_16","alias_value":"3M5SMKXZRYULGKDO","created_at":"2026-07-05T03:39:30Z"},{"alias_kind":"pith_short_8","alias_value":"3M5SMKXZ","created_at":"2026-07-05T03:39:30Z"}],"graph_snapshots":[{"event_id":"sha256:03ab9178429149f7b47c331865a32c434f15d116336725cb7483a7f770879f42","target":"graph","created_at":"2026-07-05T03:39:30Z","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/2109.03145/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Context. Wide-field spectrometers are needed to deal with current astrophysical challenges that require multiband observations at millimeter wavelengths. An example of these is the KIDs Interferometer Spectrum Survey (KISS), which uses two arrays of kinetic inductance detectors (KIDs) coupled to a Martin-Puplett interferometer (MPI). KISS has a wide instantaneous field of view (1 deg in diameter) and a spectral resolution up to 1.45 GHz in the 120-180 GHz electromagnetic band. The instrument is installed on the 2.25 m Q-U-I JOint TEnerife telescope in Teide Observatory (Tenerife, Canary Island","authors_text":"A. Beelen, A. Benoit, A. Bideaud, A. Catalano, A. Fasano., A. Gomez, A. Monfardini, A. P. de Taoro, C. Hoarau, C. Tucker, C. Vescovi, D. Tourres, G. Bres, G. Garde, G. Lagache, G. Pisano, J. A. Castro-Almaz\\'an, J. A. Rubi\\~no-Mart\\'in, J. Bounmy, J. F. Mac\\'ias-P\\'erez, J. Goupy, J. Marpaud, M. Aguiar, M. Calvo, M. De Petris, M. Fern\\'andez-Torreiro, M. F. G\\'omez-Renasco, M. Marton, M. W. Peel, N. Ponthieu, O. Bourrion, P. De Bernardis, R. G\\'enova-Santos, R. Hoyland, R. Rebolo, S. Roudier","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-09-07T15:26:49Z","title":"Accurate sky signal reconstruction for ground-based spectroscopy with kinetic inductance detectors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.03145","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":"sha256:60d521b28367a097dd19e5bc4354cd47b278e5e0f67c708456993ee1e741760a","target":"record","created_at":"2026-07-05T03:39:30Z","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":"1860a530dd7b91d8f93fd57eefa3d1e0b4acba6f50f246b6b45cab0d9f3717ba","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-09-07T15:26:49Z","title_canon_sha256":"3286a993e47b0e7ebf20bd4fcf3ff211d52e320f999a89a5c88ac9fc6949178d"},"schema_version":"1.0","source":{"id":"2109.03145","kind":"arxiv","version":3}},"canonical_sha256":"db3b262af98e28b3286e637d080c00ca186240e3ecc2dc9d1d4fd685c51cd6a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"db3b262af98e28b3286e637d080c00ca186240e3ecc2dc9d1d4fd685c51cd6a5","first_computed_at":"2026-07-05T03:39:30.676925Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:39:30.676925Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hVN4X2keb9NGo9HC6LSKwconUX9pFcQxWB8tgpMZkLkh3i3JD/xR4UBCaifZs/VGRQRX0ujctIfpkjvm6lSsDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:39:30.677438Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.03145","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:60d521b28367a097dd19e5bc4354cd47b278e5e0f67c708456993ee1e741760a","sha256:03ab9178429149f7b47c331865a32c434f15d116336725cb7483a7f770879f42"],"state_sha256":"76a5f57f90156f35540dff71b2911716aca48d498a1de3257168774bcade99f3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nL1S37V9DKGTzw58lKe292CwlXv0zQbqV6bOJVmHkcKJf+ms1Luf4W2hcq/bhNDZCzVBoKgMX6z6oj4TBiTtDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T16:50:23.219869Z","bundle_sha256":"97ae32a605537036d745f6216a63bb08f47304d6617897eb6b6c52b134872941"}}