{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:XZAHKGWEBEFATF2E27N2F4YJGU","short_pith_number":"pith:XZAHKGWE","canonical_record":{"source":{"id":"1604.03314","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-04-12T09:20:36Z","cross_cats_sorted":["astro-ph.IM","nucl-ex"],"title_canon_sha256":"4977a0fe2c9a038c4d83009217161b25201f201256bcf62ac5cdc88d20c57f6b","abstract_canon_sha256":"24f0b2db11ccaf36c70cac2debd60e3d2aac3d26abcf99fc75bb10d1670335d0"},"schema_version":"1.0"},"canonical_sha256":"be40751ac4090a099744d7dba2f309352a061ddb2e78828c58e560e5c92fcb96","source":{"kind":"arxiv","id":"1604.03314","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.03314","created_at":"2026-05-18T01:17:13Z"},{"alias_kind":"arxiv_version","alias_value":"1604.03314v1","created_at":"2026-05-18T01:17:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.03314","created_at":"2026-05-18T01:17:13Z"},{"alias_kind":"pith_short_12","alias_value":"XZAHKGWEBEFA","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XZAHKGWEBEFATF2E","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XZAHKGWE","created_at":"2026-05-18T12:30:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:XZAHKGWEBEFATF2E27N2F4YJGU","target":"record","payload":{"canonical_record":{"source":{"id":"1604.03314","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-04-12T09:20:36Z","cross_cats_sorted":["astro-ph.IM","nucl-ex"],"title_canon_sha256":"4977a0fe2c9a038c4d83009217161b25201f201256bcf62ac5cdc88d20c57f6b","abstract_canon_sha256":"24f0b2db11ccaf36c70cac2debd60e3d2aac3d26abcf99fc75bb10d1670335d0"},"schema_version":"1.0"},"canonical_sha256":"be40751ac4090a099744d7dba2f309352a061ddb2e78828c58e560e5c92fcb96","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:13.897336Z","signature_b64":"ABGx37bNrGCvK4Rxi0XPuQGVfvSvNCx18bNzX03WGDt97Je5bd3UX4v9C2sv5fZSWewXq2fc1VwH1cOctr92BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"be40751ac4090a099744d7dba2f309352a061ddb2e78828c58e560e5c92fcb96","last_reissued_at":"2026-05-18T01:17:13.896565Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:13.896565Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.03314","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":"2026-05-18T01:17:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jVNTJ+Ond769LWC9uT15IYrhKo92hGSYwDlpRx7t9UeKE0RguGHpzXxnW6ztcaU/cmft5OkCTqQ49CpGkwz7Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T03:06:54.702996Z"},"content_sha256":"6234683d6e67866993f567acc6daea777155bfb2b49025ab088074af01d01b28","schema_version":"1.0","event_id":"sha256:6234683d6e67866993f567acc6daea777155bfb2b49025ab088074af01d01b28"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:XZAHKGWEBEFATF2E27N2F4YJGU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New application of superconductors: high sensitivity cryogenic light detectors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM","nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"A. Coppolecchia, A. Cruciani, A. D'Addabbo, C. Cosmelli, C. Tomei, F. Bellini, I. Colantoni, L. Cardani, M. G. Casellano, M. Martinez, M. Vignati, N. Casali, S. Di Domizio","submitted_at":"2016-04-12T09:20:36Z","abstract_excerpt":"In this paper we describe the current status of the CALDER project, which is developing ultra-sensitive light detectors based on superconductors for cryogenic applications. When we apply an AC current to a superconductor, the Cooper pairs oscillate and acquire kinetic inductance, that can be measured by inserting the superconductor in a LC circuit with high merit factor. Interactions in the superconductor can break the Cooper pairs, causing sizable variations in the kinetic inductance and, thus, in the response of the LC circuit. The continuous monitoring of the amplitude and frequency modulat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.03314","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":"2026-05-18T01:17:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kyglRqVIGmih8tlym+nCTaYCk5i8+Y7hHiem3BZDbes00AhnIYD9MUho989AVSgkBBNa82XfymYKjEGOEhDeCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T03:06:54.703630Z"},"content_sha256":"3e82777d06b8d95aa2af15ebffbd05bfd510eabc0ef52e1c67fb2d57741a2adf","schema_version":"1.0","event_id":"sha256:3e82777d06b8d95aa2af15ebffbd05bfd510eabc0ef52e1c67fb2d57741a2adf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XZAHKGWEBEFATF2E27N2F4YJGU/bundle.json","state_url":"https://pith.science/pith/XZAHKGWEBEFATF2E27N2F4YJGU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XZAHKGWEBEFATF2E27N2F4YJGU/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":"2026-06-06T03:06:54Z","links":{"resolver":"https://pith.science/pith/XZAHKGWEBEFATF2E27N2F4YJGU","bundle":"https://pith.science/pith/XZAHKGWEBEFATF2E27N2F4YJGU/bundle.json","state":"https://pith.science/pith/XZAHKGWEBEFATF2E27N2F4YJGU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XZAHKGWEBEFATF2E27N2F4YJGU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:XZAHKGWEBEFATF2E27N2F4YJGU","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":"24f0b2db11ccaf36c70cac2debd60e3d2aac3d26abcf99fc75bb10d1670335d0","cross_cats_sorted":["astro-ph.IM","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-04-12T09:20:36Z","title_canon_sha256":"4977a0fe2c9a038c4d83009217161b25201f201256bcf62ac5cdc88d20c57f6b"},"schema_version":"1.0","source":{"id":"1604.03314","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.03314","created_at":"2026-05-18T01:17:13Z"},{"alias_kind":"arxiv_version","alias_value":"1604.03314v1","created_at":"2026-05-18T01:17:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.03314","created_at":"2026-05-18T01:17:13Z"},{"alias_kind":"pith_short_12","alias_value":"XZAHKGWEBEFA","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XZAHKGWEBEFATF2E","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XZAHKGWE","created_at":"2026-05-18T12:30:51Z"}],"graph_snapshots":[{"event_id":"sha256:3e82777d06b8d95aa2af15ebffbd05bfd510eabc0ef52e1c67fb2d57741a2adf","target":"graph","created_at":"2026-05-18T01:17:13Z","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":"In this paper we describe the current status of the CALDER project, which is developing ultra-sensitive light detectors based on superconductors for cryogenic applications. When we apply an AC current to a superconductor, the Cooper pairs oscillate and acquire kinetic inductance, that can be measured by inserting the superconductor in a LC circuit with high merit factor. Interactions in the superconductor can break the Cooper pairs, causing sizable variations in the kinetic inductance and, thus, in the response of the LC circuit. The continuous monitoring of the amplitude and frequency modulat","authors_text":"A. Coppolecchia, A. Cruciani, A. D'Addabbo, C. Cosmelli, C. Tomei, F. Bellini, I. Colantoni, L. Cardani, M. G. Casellano, M. Martinez, M. Vignati, N. Casali, S. Di Domizio","cross_cats":["astro-ph.IM","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-04-12T09:20:36Z","title":"New application of superconductors: high sensitivity cryogenic light detectors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.03314","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":"sha256:6234683d6e67866993f567acc6daea777155bfb2b49025ab088074af01d01b28","target":"record","created_at":"2026-05-18T01:17:13Z","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":"24f0b2db11ccaf36c70cac2debd60e3d2aac3d26abcf99fc75bb10d1670335d0","cross_cats_sorted":["astro-ph.IM","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-04-12T09:20:36Z","title_canon_sha256":"4977a0fe2c9a038c4d83009217161b25201f201256bcf62ac5cdc88d20c57f6b"},"schema_version":"1.0","source":{"id":"1604.03314","kind":"arxiv","version":1}},"canonical_sha256":"be40751ac4090a099744d7dba2f309352a061ddb2e78828c58e560e5c92fcb96","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"be40751ac4090a099744d7dba2f309352a061ddb2e78828c58e560e5c92fcb96","first_computed_at":"2026-05-18T01:17:13.896565Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:13.896565Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ABGx37bNrGCvK4Rxi0XPuQGVfvSvNCx18bNzX03WGDt97Je5bd3UX4v9C2sv5fZSWewXq2fc1VwH1cOctr92BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:13.897336Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.03314","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6234683d6e67866993f567acc6daea777155bfb2b49025ab088074af01d01b28","sha256:3e82777d06b8d95aa2af15ebffbd05bfd510eabc0ef52e1c67fb2d57741a2adf"],"state_sha256":"556bd16245bcf7a82b4af22df7fff283160f986edb2c472d80f0cca67eff209e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4nDppXV3TAN1aoyssLb43JrvozvWXz/vtOxpdGDBe8jSefSCSgs0ZO6K68NxbehOpW+n5ScPGNakzj6uwAqYBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T03:06:54.706909Z","bundle_sha256":"0c0839f25b48d7a9ed6d7bd3ea5e1ec12105d8061279884994fbbd0f2e3983f4"}}