{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:EAOZHG6GYS2BGKF2YKO6ZC5XUB","short_pith_number":"pith:EAOZHG6G","canonical_record":{"source":{"id":"2001.05151","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-01-15T07:00:08Z","cross_cats_sorted":[],"title_canon_sha256":"9c795675fa76033ffb4825547042e4dde061c79f9739f13c5388cd23289364b4","abstract_canon_sha256":"c8433c7975275c3f7a4098a4376ac09b0a06644dd8953ec7a9a86203f4417eb4"},"schema_version":"1.0"},"canonical_sha256":"201d939bc6c4b41328bac29dec8bb7a05d1413f8c3ef4abf09760f5a47a30dfc","source":{"kind":"arxiv","id":"2001.05151","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.05151","created_at":"2026-07-05T00:41:56Z"},{"alias_kind":"arxiv_version","alias_value":"2001.05151v1","created_at":"2026-07-05T00:41:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.05151","created_at":"2026-07-05T00:41:56Z"},{"alias_kind":"pith_short_12","alias_value":"EAOZHG6GYS2B","created_at":"2026-07-05T00:41:56Z"},{"alias_kind":"pith_short_16","alias_value":"EAOZHG6GYS2BGKF2","created_at":"2026-07-05T00:41:56Z"},{"alias_kind":"pith_short_8","alias_value":"EAOZHG6G","created_at":"2026-07-05T00:41:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:EAOZHG6GYS2BGKF2YKO6ZC5XUB","target":"record","payload":{"canonical_record":{"source":{"id":"2001.05151","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-01-15T07:00:08Z","cross_cats_sorted":[],"title_canon_sha256":"9c795675fa76033ffb4825547042e4dde061c79f9739f13c5388cd23289364b4","abstract_canon_sha256":"c8433c7975275c3f7a4098a4376ac09b0a06644dd8953ec7a9a86203f4417eb4"},"schema_version":"1.0"},"canonical_sha256":"201d939bc6c4b41328bac29dec8bb7a05d1413f8c3ef4abf09760f5a47a30dfc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:41:56.146954Z","signature_b64":"+i9akwxHR/ZIhnLZqgGafHsm6srYqD0COi9RFtEyPyQYCyAksCsezBWJhyhI5Rj3EzCPX8UBk9L6Jh/waBkICg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"201d939bc6c4b41328bac29dec8bb7a05d1413f8c3ef4abf09760f5a47a30dfc","last_reissued_at":"2026-07-05T00:41:56.146534Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:41:56.146534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2001.05151","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":"2026-07-05T00:41:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dmPcyyBYGTuxsRH9j/lCBP2qCPzj0RcDqbRi34Pls5MZJfYX1xizNp7GwZm/dhkz7unjPDeE6xjjPQDPh30GAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T16:19:12.188083Z"},"content_sha256":"dcdc57b95253ce0dc1d05d5a21833a89551b75c06ca0bd629339964340f0a731","schema_version":"1.0","event_id":"sha256:dcdc57b95253ce0dc1d05d5a21833a89551b75c06ca0bd629339964340f0a731"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:EAOZHG6GYS2BGKF2YKO6ZC5XUB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"DESHIMA on ASTE: On-sky Responsivity Calibration of the Integrated Superconducting Spectrometer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Akio Taniguchi, Akira Endo, Akira Kouchi, Alejandro Pascual Laguna, David J. Thoen, Jochem J. A. Baselmans, Juan Bueno, Jun Maekawa, Junya Suzuki, Kah Wuy Chin, Kazushige Ohtawara, Kazuyuki Fujita, Kenichi Karatsu, Kotaro Kohno, Koyo Suzuki, Masato Naruse, Nuria Llombart, Ozan Yurduseven, Paul P. van der Werf, Pieter J. de Visser, Robert Huiting, Ryohei Kawabe, Shin'ichiro Asayama, Shunichi Nakatsubo, Shun Ishii, Sjoerd Bosma, Soh Ikarashi, Stephen J. C. Yates, Tai Oshima, Takashi Tsukagoshi, Tatsuya Takekoshi, Tetsutaro Ueda, Teun M. Klapwijk, Tom J. L. C. Bakx, Tsuyoshi Ishida, Vignesh Murugesan, Yasunori Fujii, Yoichi Tamura, Yuki Yoshimura","submitted_at":"2020-01-15T07:00:08Z","abstract_excerpt":"We are developing an ultra-wideband spectroscopic instrument, DESHIMA (DEep Spectroscopic HIgh-redshift MApper), based on the technologies of an on-chip filter-bank and Microwave Kinetic Inductance Detector (MKID) to investigate dusty star-burst galaxies in the distant universe at millimeter and submillimeter wavelength. An on-site experiment of DESHIMA was performed using the ASTE 10-m telescope. We established a responsivity model that converts frequency responses of the MKIDs to line-of-sight brightness temperature. We estimated two parameters of the responsivity model using a set of skydip"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.05151","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/2001.05151/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":"2026-07-05T00:41:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lr4/aQs2/LF2H3tGVqcQad63fE8eBxEbtbCJyqhMBsuCb7Z2QiQkcm6OOahjgvBxPDAuFTCHNOf64CoVMH7LDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T16:19:12.188623Z"},"content_sha256":"08f75c75305144518a6c5ac542f58f0212b540e6ca45035b0e510c93b09ad2bc","schema_version":"1.0","event_id":"sha256:08f75c75305144518a6c5ac542f58f0212b540e6ca45035b0e510c93b09ad2bc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EAOZHG6GYS2BGKF2YKO6ZC5XUB/bundle.json","state_url":"https://pith.science/pith/EAOZHG6GYS2BGKF2YKO6ZC5XUB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EAOZHG6GYS2BGKF2YKO6ZC5XUB/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":"2026-08-20T16:19:12Z","links":{"resolver":"https://pith.science/pith/EAOZHG6GYS2BGKF2YKO6ZC5XUB","bundle":"https://pith.science/pith/EAOZHG6GYS2BGKF2YKO6ZC5XUB/bundle.json","state":"https://pith.science/pith/EAOZHG6GYS2BGKF2YKO6ZC5XUB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EAOZHG6GYS2BGKF2YKO6ZC5XUB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:EAOZHG6GYS2BGKF2YKO6ZC5XUB","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":"c8433c7975275c3f7a4098a4376ac09b0a06644dd8953ec7a9a86203f4417eb4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-01-15T07:00:08Z","title_canon_sha256":"9c795675fa76033ffb4825547042e4dde061c79f9739f13c5388cd23289364b4"},"schema_version":"1.0","source":{"id":"2001.05151","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.05151","created_at":"2026-07-05T00:41:56Z"},{"alias_kind":"arxiv_version","alias_value":"2001.05151v1","created_at":"2026-07-05T00:41:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.05151","created_at":"2026-07-05T00:41:56Z"},{"alias_kind":"pith_short_12","alias_value":"EAOZHG6GYS2B","created_at":"2026-07-05T00:41:56Z"},{"alias_kind":"pith_short_16","alias_value":"EAOZHG6GYS2BGKF2","created_at":"2026-07-05T00:41:56Z"},{"alias_kind":"pith_short_8","alias_value":"EAOZHG6G","created_at":"2026-07-05T00:41:56Z"}],"graph_snapshots":[{"event_id":"sha256:08f75c75305144518a6c5ac542f58f0212b540e6ca45035b0e510c93b09ad2bc","target":"graph","created_at":"2026-07-05T00:41:56Z","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/2001.05151/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We are developing an ultra-wideband spectroscopic instrument, DESHIMA (DEep Spectroscopic HIgh-redshift MApper), based on the technologies of an on-chip filter-bank and Microwave Kinetic Inductance Detector (MKID) to investigate dusty star-burst galaxies in the distant universe at millimeter and submillimeter wavelength. An on-site experiment of DESHIMA was performed using the ASTE 10-m telescope. We established a responsivity model that converts frequency responses of the MKIDs to line-of-sight brightness temperature. We estimated two parameters of the responsivity model using a set of skydip","authors_text":"Akio Taniguchi, Akira Endo, Akira Kouchi, Alejandro Pascual Laguna, David J. Thoen, Jochem J. A. Baselmans, Juan Bueno, Jun Maekawa, Junya Suzuki, Kah Wuy Chin, Kazushige Ohtawara, Kazuyuki Fujita, Kenichi Karatsu, Kotaro Kohno, Koyo Suzuki, Masato Naruse, Nuria Llombart, Ozan Yurduseven, Paul P. van der Werf, Pieter J. de Visser, Robert Huiting, Ryohei Kawabe, Shin'ichiro Asayama, Shunichi Nakatsubo, Shun Ishii, Sjoerd Bosma, Soh Ikarashi, Stephen J. C. Yates, Tai Oshima, Takashi Tsukagoshi, Tatsuya Takekoshi, Tetsutaro Ueda, Teun M. Klapwijk, Tom J. L. C. Bakx, Tsuyoshi Ishida, Vignesh Murugesan, Yasunori Fujii, Yoichi Tamura, Yuki Yoshimura","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-01-15T07:00:08Z","title":"DESHIMA on ASTE: On-sky Responsivity Calibration of the Integrated Superconducting Spectrometer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.05151","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:dcdc57b95253ce0dc1d05d5a21833a89551b75c06ca0bd629339964340f0a731","target":"record","created_at":"2026-07-05T00:41:56Z","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":"c8433c7975275c3f7a4098a4376ac09b0a06644dd8953ec7a9a86203f4417eb4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-01-15T07:00:08Z","title_canon_sha256":"9c795675fa76033ffb4825547042e4dde061c79f9739f13c5388cd23289364b4"},"schema_version":"1.0","source":{"id":"2001.05151","kind":"arxiv","version":1}},"canonical_sha256":"201d939bc6c4b41328bac29dec8bb7a05d1413f8c3ef4abf09760f5a47a30dfc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"201d939bc6c4b41328bac29dec8bb7a05d1413f8c3ef4abf09760f5a47a30dfc","first_computed_at":"2026-07-05T00:41:56.146534Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:41:56.146534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+i9akwxHR/ZIhnLZqgGafHsm6srYqD0COi9RFtEyPyQYCyAksCsezBWJhyhI5Rj3EzCPX8UBk9L6Jh/waBkICg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:41:56.146954Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.05151","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dcdc57b95253ce0dc1d05d5a21833a89551b75c06ca0bd629339964340f0a731","sha256:08f75c75305144518a6c5ac542f58f0212b540e6ca45035b0e510c93b09ad2bc"],"state_sha256":"31b875b03834d1ad8e85f1e1967ce6ed8b2e3c982b0201ddcff70939d510cc50"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"egqU8/VziDsR5rRKv/c8eUVrJRfr+fUs0qrqT2DpTK1BxnoBAeJyZ1oBo3u/SVtdH5d1i06fL2PMqWxYva0rDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T16:19:12.192731Z","bundle_sha256":"ba1a5699e2d47e7e6a00a4369b8682573d2447e754f6874677649d34adfe47e8"}}