{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:NBRABHOJIPVHW6DHCGLGNDK7IB","short_pith_number":"pith:NBRABHOJ","canonical_record":{"source":{"id":"2111.12445","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-11-24T11:47:30Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"ffed0a27009d64b0ed6ef762cedabedad191b7f12a976be9558fc6e38cada855","abstract_canon_sha256":"e87f17d106234263fe18a7f322d00ab2894a421b341e0478a5b5863e107a20ee"},"schema_version":"1.0"},"canonical_sha256":"6862009dc943ea7b78671196668d5f40422fad32d693fdc6f62bc1da0f41d600","source":{"kind":"arxiv","id":"2111.12445","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.12445","created_at":"2026-07-05T03:34:52Z"},{"alias_kind":"arxiv_version","alias_value":"2111.12445v1","created_at":"2026-07-05T03:34:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.12445","created_at":"2026-07-05T03:34:52Z"},{"alias_kind":"pith_short_12","alias_value":"NBRABHOJIPVH","created_at":"2026-07-05T03:34:52Z"},{"alias_kind":"pith_short_16","alias_value":"NBRABHOJIPVHW6DH","created_at":"2026-07-05T03:34:52Z"},{"alias_kind":"pith_short_8","alias_value":"NBRABHOJ","created_at":"2026-07-05T03:34:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:NBRABHOJIPVHW6DHCGLGNDK7IB","target":"record","payload":{"canonical_record":{"source":{"id":"2111.12445","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-11-24T11:47:30Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"ffed0a27009d64b0ed6ef762cedabedad191b7f12a976be9558fc6e38cada855","abstract_canon_sha256":"e87f17d106234263fe18a7f322d00ab2894a421b341e0478a5b5863e107a20ee"},"schema_version":"1.0"},"canonical_sha256":"6862009dc943ea7b78671196668d5f40422fad32d693fdc6f62bc1da0f41d600","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:34:52.315732Z","signature_b64":"OGA+Xr7z8nO4xGhjAe1GUsOzSZOufTJtSp59x3OFjWiv3rbHsUagIAxLjdjF4pZawRMBayNA7wiINdaF70IqDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6862009dc943ea7b78671196668d5f40422fad32d693fdc6f62bc1da0f41d600","last_reissued_at":"2026-07-05T03:34:52.315144Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:34:52.315144Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.12445","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":"2026-07-05T03:34:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gRQsMZBKece8Kvpafp1qCxvODK5EtqVu7OFDxgqHAoiVfxrH6dHsh4B8ku/WDOdon/+ui9DAiDYDZTPdL/nJAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T14:58:15.244174Z"},"content_sha256":"f9205834fbf454d1bdfdd0ffbfc6225bee8ed0f2de74e546abeb5e23127f9191","schema_version":"1.0","event_id":"sha256:f9205834fbf454d1bdfdd0ffbfc6225bee8ed0f2de74e546abeb5e23127f9191"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:NBRABHOJIPVHW6DHCGLGNDK7IB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermal crosstalk of X-ray transition-edge sensor micro-calorimeters under frequency domain multiplexing readout","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"astro-ph.IM","authors_text":"A. J. van der Linden, Davide Vaccaro, Emanuele Taralli, Hiroki Akamatsu, Jan van der Kuur, Jan-Willem A. den Herder, Jian-Rong Gao, Kenichiro Nagayoshi, Kevin Ravensberg, Luciano Gottardi, Marcel L. Ridder, Marcel P. Bruijn, Martin de Wit, Roland den Hartog, Ruud W.M. Hoogeveen","submitted_at":"2021-11-24T11:47:30Z","abstract_excerpt":"We have measured and characterized the thermal crosstalk in two different arrays of transition-edge sensor (TES) X-ray micro-calorimeters with frequency-domain multiplexing (FDM) readout. The TES arrays are fabricated at SRON and are a 8$\\times$8 and a 32$\\times$32 \"kilo-pixel\" uniform array. The amount of crosstalk is evaluated as the ratio between the averaged crosstalk signal and the X-ray pulse amplitudes. The crosstalk ratios (CR) for our detectors are compliant with the requirements for future X-ray space missions, such as Athena X-IFU (CR$< 10^{-3}$ for first-neighbour pixels): we measu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.12445","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/2111.12445/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":"2026-07-05T03:34:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bHjMXJ54WOH08hX6zCCqIG99q5K6Bq/7uFkecIekqH0LEHfl5L9w+m1hnvqlf+vhW6tT9i54AQMiHH/97QbXBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T14:58:15.244881Z"},"content_sha256":"c3d3edb1d3b45b5ab5ab9f0a53c25535e4f2bfc4241f1ce2094722f6f1748984","schema_version":"1.0","event_id":"sha256:c3d3edb1d3b45b5ab5ab9f0a53c25535e4f2bfc4241f1ce2094722f6f1748984"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NBRABHOJIPVHW6DHCGLGNDK7IB/bundle.json","state_url":"https://pith.science/pith/NBRABHOJIPVHW6DHCGLGNDK7IB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NBRABHOJIPVHW6DHCGLGNDK7IB/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":"2026-07-05T14:58:15Z","links":{"resolver":"https://pith.science/pith/NBRABHOJIPVHW6DHCGLGNDK7IB","bundle":"https://pith.science/pith/NBRABHOJIPVHW6DHCGLGNDK7IB/bundle.json","state":"https://pith.science/pith/NBRABHOJIPVHW6DHCGLGNDK7IB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NBRABHOJIPVHW6DHCGLGNDK7IB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:NBRABHOJIPVHW6DHCGLGNDK7IB","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":"e87f17d106234263fe18a7f322d00ab2894a421b341e0478a5b5863e107a20ee","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-11-24T11:47:30Z","title_canon_sha256":"ffed0a27009d64b0ed6ef762cedabedad191b7f12a976be9558fc6e38cada855"},"schema_version":"1.0","source":{"id":"2111.12445","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.12445","created_at":"2026-07-05T03:34:52Z"},{"alias_kind":"arxiv_version","alias_value":"2111.12445v1","created_at":"2026-07-05T03:34:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.12445","created_at":"2026-07-05T03:34:52Z"},{"alias_kind":"pith_short_12","alias_value":"NBRABHOJIPVH","created_at":"2026-07-05T03:34:52Z"},{"alias_kind":"pith_short_16","alias_value":"NBRABHOJIPVHW6DH","created_at":"2026-07-05T03:34:52Z"},{"alias_kind":"pith_short_8","alias_value":"NBRABHOJ","created_at":"2026-07-05T03:34:52Z"}],"graph_snapshots":[{"event_id":"sha256:c3d3edb1d3b45b5ab5ab9f0a53c25535e4f2bfc4241f1ce2094722f6f1748984","target":"graph","created_at":"2026-07-05T03:34:52Z","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/2111.12445/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have measured and characterized the thermal crosstalk in two different arrays of transition-edge sensor (TES) X-ray micro-calorimeters with frequency-domain multiplexing (FDM) readout. The TES arrays are fabricated at SRON and are a 8$\\times$8 and a 32$\\times$32 \"kilo-pixel\" uniform array. The amount of crosstalk is evaluated as the ratio between the averaged crosstalk signal and the X-ray pulse amplitudes. The crosstalk ratios (CR) for our detectors are compliant with the requirements for future X-ray space missions, such as Athena X-IFU (CR$< 10^{-3}$ for first-neighbour pixels): we measu","authors_text":"A. J. van der Linden, Davide Vaccaro, Emanuele Taralli, Hiroki Akamatsu, Jan van der Kuur, Jan-Willem A. den Herder, Jian-Rong Gao, Kenichiro Nagayoshi, Kevin Ravensberg, Luciano Gottardi, Marcel L. Ridder, Marcel P. Bruijn, Martin de Wit, Roland den Hartog, 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":"2021-11-24T11:47:30Z","title":"Thermal crosstalk of X-ray transition-edge sensor micro-calorimeters under frequency domain multiplexing readout"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.12445","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:f9205834fbf454d1bdfdd0ffbfc6225bee8ed0f2de74e546abeb5e23127f9191","target":"record","created_at":"2026-07-05T03:34:52Z","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":"e87f17d106234263fe18a7f322d00ab2894a421b341e0478a5b5863e107a20ee","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-11-24T11:47:30Z","title_canon_sha256":"ffed0a27009d64b0ed6ef762cedabedad191b7f12a976be9558fc6e38cada855"},"schema_version":"1.0","source":{"id":"2111.12445","kind":"arxiv","version":1}},"canonical_sha256":"6862009dc943ea7b78671196668d5f40422fad32d693fdc6f62bc1da0f41d600","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6862009dc943ea7b78671196668d5f40422fad32d693fdc6f62bc1da0f41d600","first_computed_at":"2026-07-05T03:34:52.315144Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:34:52.315144Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OGA+Xr7z8nO4xGhjAe1GUsOzSZOufTJtSp59x3OFjWiv3rbHsUagIAxLjdjF4pZawRMBayNA7wiINdaF70IqDw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:34:52.315732Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.12445","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f9205834fbf454d1bdfdd0ffbfc6225bee8ed0f2de74e546abeb5e23127f9191","sha256:c3d3edb1d3b45b5ab5ab9f0a53c25535e4f2bfc4241f1ce2094722f6f1748984"],"state_sha256":"1e112edba876c49926aafcc4c41a0c716da6db0dc22ded5cbaf52c1ce12abb69"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S0/ALeu5CtV1/wCu5T8DxYHwlAuu3Uw3SPZsRPAHqloDfyrgEFZ37YefK+0/DCjgqkrgIE2bIRj4dkmOsSx8Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T14:58:15.249152Z","bundle_sha256":"9794d3f8799ea22b0bb6b01f82c9145564a0c795cac4f53bc2f935e249ede93a"}}