{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:H6UJQ3AHJFWW5DBZY4Q67WQGN6","short_pith_number":"pith:H6UJQ3AH","canonical_record":{"source":{"id":"2108.10154","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2021-08-18T07:18:59Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"3dff1aee6cfc45af5e546e41e2a7f6be9591703d7e7bbf56ad92d61551c47dc2","abstract_canon_sha256":"864937e2194cd38bc8c0cb178733e300525396f511572ef575a383242944a3c4"},"schema_version":"1.0"},"canonical_sha256":"3fa8986c07496d6e8c39c721efda066f8a92b5b93b3f53d46f91972b826c9af2","source":{"kind":"arxiv","id":"2108.10154","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.10154","created_at":"2026-07-05T03:08:02Z"},{"alias_kind":"arxiv_version","alias_value":"2108.10154v1","created_at":"2026-07-05T03:08:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.10154","created_at":"2026-07-05T03:08:02Z"},{"alias_kind":"pith_short_12","alias_value":"H6UJQ3AHJFWW","created_at":"2026-07-05T03:08:02Z"},{"alias_kind":"pith_short_16","alias_value":"H6UJQ3AHJFWW5DBZ","created_at":"2026-07-05T03:08:02Z"},{"alias_kind":"pith_short_8","alias_value":"H6UJQ3AH","created_at":"2026-07-05T03:08:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:H6UJQ3AHJFWW5DBZY4Q67WQGN6","target":"record","payload":{"canonical_record":{"source":{"id":"2108.10154","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2021-08-18T07:18:59Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"3dff1aee6cfc45af5e546e41e2a7f6be9591703d7e7bbf56ad92d61551c47dc2","abstract_canon_sha256":"864937e2194cd38bc8c0cb178733e300525396f511572ef575a383242944a3c4"},"schema_version":"1.0"},"canonical_sha256":"3fa8986c07496d6e8c39c721efda066f8a92b5b93b3f53d46f91972b826c9af2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:08:02.888112Z","signature_b64":"4AlBJN5KAFQyn6f0psUwCPUcnH0OuoJu5LWKMpq7tpvTC6QW7bs7FtW8ywtGjkL9uQYeZGxJvkgDKkQQrrfFCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3fa8986c07496d6e8c39c721efda066f8a92b5b93b3f53d46f91972b826c9af2","last_reissued_at":"2026-07-05T03:08:02.887649Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:08:02.887649Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2108.10154","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":"2026-07-05T03:08:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WUW53vwCfSGfU2/4LhU+59IeDNVPx+Um6vSA8qWyBvdnH4aH66mhkez+7FcxfP30XUuJgYw1FdDgl98NIe5bCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T00:39:03.301056Z"},"content_sha256":"05c1cb3841838b6afe4b1b844c2fb3b1d9a3b294b160a284476f207f5e4da46d","schema_version":"1.0","event_id":"sha256:05c1cb3841838b6afe4b1b844c2fb3b1d9a3b294b160a284476f207f5e4da46d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:H6UJQ3AHJFWW5DBZY4Q67WQGN6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Demonstration of Thermal Images Captured by a Backside Illuminated Transition Edge Bolometer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"physics.ins-det","authors_text":"Anders Christian Wulff, Jean-Claude Grivel, Mehdi Fardmanesh, Rana Nazifi, Roya Moahjeri, Seyed Iman Mirzaei","submitted_at":"2021-08-18T07:18:59Z","abstract_excerpt":"A high temperature superconducting detector was fabricated to capture the thermal images in room temperature background. The detector was made of YBa2Cu3O7-{\\delta} (YBCO) superconducting thin film deposited on an Yttria Stabilized Zirconia (YSZ) substrate, structurally modified for high responsivity performance. A very thin absorber layer was implemented on the backside of the detector to increase the absorption of the device at infrared (IR) range of frequencies. To capture thermal images, a movable off-axis parabolic mirror on XY plane was used for focusing the incoming IR radiation includi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.10154","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/2108.10154/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":"2026-07-05T03:08:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aRP3hDCQP0wed9mvo8Q+SG08pahQq4aUMNXc+BXyceT7Fu91+8J4uFCSJ3bW8uuhb0VpdsjDZT4+BgblQOipDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T00:39:03.301675Z"},"content_sha256":"01d863c658da7c9be0b2ff4db8da4adfc3a5bcd7e45ebecb33564393861423c6","schema_version":"1.0","event_id":"sha256:01d863c658da7c9be0b2ff4db8da4adfc3a5bcd7e45ebecb33564393861423c6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H6UJQ3AHJFWW5DBZY4Q67WQGN6/bundle.json","state_url":"https://pith.science/pith/H6UJQ3AHJFWW5DBZY4Q67WQGN6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H6UJQ3AHJFWW5DBZY4Q67WQGN6/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":"2026-08-20T00:39:03Z","links":{"resolver":"https://pith.science/pith/H6UJQ3AHJFWW5DBZY4Q67WQGN6","bundle":"https://pith.science/pith/H6UJQ3AHJFWW5DBZY4Q67WQGN6/bundle.json","state":"https://pith.science/pith/H6UJQ3AHJFWW5DBZY4Q67WQGN6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H6UJQ3AHJFWW5DBZY4Q67WQGN6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:H6UJQ3AHJFWW5DBZY4Q67WQGN6","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":"864937e2194cd38bc8c0cb178733e300525396f511572ef575a383242944a3c4","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2021-08-18T07:18:59Z","title_canon_sha256":"3dff1aee6cfc45af5e546e41e2a7f6be9591703d7e7bbf56ad92d61551c47dc2"},"schema_version":"1.0","source":{"id":"2108.10154","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.10154","created_at":"2026-07-05T03:08:02Z"},{"alias_kind":"arxiv_version","alias_value":"2108.10154v1","created_at":"2026-07-05T03:08:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.10154","created_at":"2026-07-05T03:08:02Z"},{"alias_kind":"pith_short_12","alias_value":"H6UJQ3AHJFWW","created_at":"2026-07-05T03:08:02Z"},{"alias_kind":"pith_short_16","alias_value":"H6UJQ3AHJFWW5DBZ","created_at":"2026-07-05T03:08:02Z"},{"alias_kind":"pith_short_8","alias_value":"H6UJQ3AH","created_at":"2026-07-05T03:08:02Z"}],"graph_snapshots":[{"event_id":"sha256:01d863c658da7c9be0b2ff4db8da4adfc3a5bcd7e45ebecb33564393861423c6","target":"graph","created_at":"2026-07-05T03:08:02Z","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/2108.10154/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A high temperature superconducting detector was fabricated to capture the thermal images in room temperature background. The detector was made of YBa2Cu3O7-{\\delta} (YBCO) superconducting thin film deposited on an Yttria Stabilized Zirconia (YSZ) substrate, structurally modified for high responsivity performance. A very thin absorber layer was implemented on the backside of the detector to increase the absorption of the device at infrared (IR) range of frequencies. To capture thermal images, a movable off-axis parabolic mirror on XY plane was used for focusing the incoming IR radiation includi","authors_text":"Anders Christian Wulff, Jean-Claude Grivel, Mehdi Fardmanesh, Rana Nazifi, Roya Moahjeri, Seyed Iman Mirzaei","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2021-08-18T07:18:59Z","title":"Demonstration of Thermal Images Captured by a Backside Illuminated Transition Edge Bolometer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.10154","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":"sha256:05c1cb3841838b6afe4b1b844c2fb3b1d9a3b294b160a284476f207f5e4da46d","target":"record","created_at":"2026-07-05T03:08:02Z","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":"864937e2194cd38bc8c0cb178733e300525396f511572ef575a383242944a3c4","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2021-08-18T07:18:59Z","title_canon_sha256":"3dff1aee6cfc45af5e546e41e2a7f6be9591703d7e7bbf56ad92d61551c47dc2"},"schema_version":"1.0","source":{"id":"2108.10154","kind":"arxiv","version":1}},"canonical_sha256":"3fa8986c07496d6e8c39c721efda066f8a92b5b93b3f53d46f91972b826c9af2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3fa8986c07496d6e8c39c721efda066f8a92b5b93b3f53d46f91972b826c9af2","first_computed_at":"2026-07-05T03:08:02.887649Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:08:02.887649Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4AlBJN5KAFQyn6f0psUwCPUcnH0OuoJu5LWKMpq7tpvTC6QW7bs7FtW8ywtGjkL9uQYeZGxJvkgDKkQQrrfFCg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:08:02.888112Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.10154","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:05c1cb3841838b6afe4b1b844c2fb3b1d9a3b294b160a284476f207f5e4da46d","sha256:01d863c658da7c9be0b2ff4db8da4adfc3a5bcd7e45ebecb33564393861423c6"],"state_sha256":"f3cf04b68568133a09701ed53e025f3354dc56ea85bdc9ad1063247bb95e4629"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+TF2P6jg/gSkSg/PP/H9AHyAQE8oiZ0CWi6Ch4rkcvVX9tyKOYqSEHTZZK2d6B2tyaTj4enHAFbbNKGzWIZUBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T00:39:03.306771Z","bundle_sha256":"a92186d31d40b72130506d1a3a4ad0a4ce5191c387c0378dc3f74f73c65aaf00"}}