{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:HM42CB5LPW6XEOYM6RM7DM5ZHO","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":"8e72e3da95dd7b4ea3c65ec805a61bafc12b3845713b09815b2870d2a9f1cda8","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-02-16T12:02:58Z","title_canon_sha256":"ed8689a988290f89ed92ac3de6be1e6146f1367c5aa3090276de72e9cc15ca6e"},"schema_version":"1.0","source":{"id":"2102.08103","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.08103","created_at":"2026-07-05T02:35:53Z"},{"alias_kind":"arxiv_version","alias_value":"2102.08103v1","created_at":"2026-07-05T02:35:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.08103","created_at":"2026-07-05T02:35:53Z"},{"alias_kind":"pith_short_12","alias_value":"HM42CB5LPW6X","created_at":"2026-07-05T02:35:53Z"},{"alias_kind":"pith_short_16","alias_value":"HM42CB5LPW6XEOYM","created_at":"2026-07-05T02:35:53Z"},{"alias_kind":"pith_short_8","alias_value":"HM42CB5L","created_at":"2026-07-05T02:35:53Z"}],"graph_snapshots":[{"event_id":"sha256:94e4cf025fc9afbd3bbe1c50fad414e1d1e064bb163eb8ce55f23110594d3d91","target":"graph","created_at":"2026-07-05T02:35:53Z","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/2102.08103/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We are developing a kilo-pixels Ti/Au TES array as a backup option for Athena X-IFU. Here we report on single-pixel performance of a 32$\\times$32 array operated in a Frequency Division Multiplexing (FDM) readout system, with bias frequencies in the range 1-5 MHz. We have tested the pixels response at several photon energies, by means of a $^{55}$Fe radioactive source (emitting Mn-K$\\alpha$ at 5.9 keV) and a Modulated X-ray Source (MXS, providing Cr-K$\\alpha$ at 5.4 keV and Cu-K$\\alpha$ at 8.0 keV). First, we report the procedure used to perform the detector energy scale calibration, usually ac","authors_text":"Cor P. de Vries, Davide Vaccaro, Emanuele Taralli, Hiroki Akamatsu, Jian-Rong Gao, Kenichiro Nagayoshi, Kevin Ravensberg, Luciano Gottardi, Marcel L. Ridder, Marcel P. Bruijn, Martin de Wit, Matteo D'Andrea, Ruud W. M. Hoogeveen","cross_cats":["physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-02-16T12:02:58Z","title":"Single pixel performance of a 32$\\times$32 Ti/Au TES array with broadband X-ray spectra"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.08103","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":"sha256:7bd6f9c2c728c4604e679bdc70f212ec95f4f5ae5a5b58c4969926be80017921","target":"record","created_at":"2026-07-05T02:35:53Z","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":"8e72e3da95dd7b4ea3c65ec805a61bafc12b3845713b09815b2870d2a9f1cda8","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-02-16T12:02:58Z","title_canon_sha256":"ed8689a988290f89ed92ac3de6be1e6146f1367c5aa3090276de72e9cc15ca6e"},"schema_version":"1.0","source":{"id":"2102.08103","kind":"arxiv","version":1}},"canonical_sha256":"3b39a107ab7dbd723b0cf459f1b3b93bbdeef7c3dc4a71fd588ecb5263828547","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3b39a107ab7dbd723b0cf459f1b3b93bbdeef7c3dc4a71fd588ecb5263828547","first_computed_at":"2026-07-05T02:35:53.472300Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:35:53.472300Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HwINQO6fRzlVQ/N1iWg4J5OZCMuVD3v47PjEkawSxEegtkdsbV7E4FcDDIEjXQK4e8UZCQxK/opK2A/AUTUEBA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:35:53.472764Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.08103","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7bd6f9c2c728c4604e679bdc70f212ec95f4f5ae5a5b58c4969926be80017921","sha256:94e4cf025fc9afbd3bbe1c50fad414e1d1e064bb163eb8ce55f23110594d3d91"],"state_sha256":"84cad6b14d85b9447492967d2fef96a87854701ccdca8c6ed2ad346ac2c82f17"}