{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:6AJHOF5GRUWMYHW7RZHWMGK7RJ","short_pith_number":"pith:6AJHOF5G","schema_version":"1.0","canonical_sha256":"f0127717a68d2ccc1edf8e4f66195f8a6cd915e23a29af260ab316f6ad94a919","source":{"kind":"arxiv","id":"1807.06092","version":1},"attestation_state":"computed","paper":{"title":"The Athena X-ray Integral Field Unit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.GA","astro-ph.HE"],"primary_cat":"astro-ph.IM","authors_text":"Agata Rozanska (CAMK PAN ), Agnieszka Janiuk (CTP Warsaw), Alexis Finoguenov (Univ. Helsinki), Alexis Paillet (CNES), Alice Pradines (CNES), Andrea Goldwurm (APC), Anne Decourchelle (CEA-SAP), Antoine Cl\\'enet (IRAP), Antoine Jolly (CNES), Aur\\'elien Ledot (CNES), Aurora Simionescu (SRON), Beatriz Cobo (IFCA (CSIC-UC)), Beno\\^it Frezouls (CNES), Bernard Pontet (CNES), Bert-Joost van Leeuwen (SRON), Brian Jackson (SRON), Bruno Vella (CNES), Caroline Kilbourne (NASA/GSFC), Christian Kirsch (ECAP), Christophe Daniel (CNES), Christophe Etcheverry (CNES), Claudio Macculi (IAPS), Corinne Aicardi (CNES), Damien Pr\\^ele (APC), Denis Schwander (CNES), Didier Barret (IRAP), Edoardo Cucchetti (IRAP), Elisa Costantini (SRON), Emilie Gloaguen (CNES), Enrico Bozzo (Univ. Gen\\`eve), Esra Bulbul (CFA), Etienne Pointecouteau (IRAP), Fabrizio Fiore (INAF Obs. Roma), Fabrizio Nicastro (INAF Obs. Roma), Flavio Gatti (Univ. Genova), Fran\\c{c}oise Delcelier-Douchin (CNES), Fran\\c{c}ois Pajot (IRAP), Frederick Porter (NASA/GSFC), Gabriel W. Pratt (CEA-SAP), Gilles Hervet (CNES), Giovanni Miniutti (CAB (CSIC-INTA)), Graziella Branduardi-Raymont (MSSL-UCL), Gregor Rauw (Univ. Li\\`ege), Henk van Weers (SRON), Herv\\'e Geoffray (CNES), Irwin Maussang (CNES), Ivan Charles (CEA-SBT), Jacco Vink (Univ. Amsterdam), Jan-Willem den Herder (SRON), Jean-Charles Damery (CNES), Jean-Marc Duval (CEA-SBT), Jean-Michel Mesnager (CNES), Jelle de Plaa (SRON), Jelle Kaastra (SRON), J\\'er\\^ome Andr\\'e (CNES), J. Miguel Mas-Hesse (CAB-INTA), Joern Wilms (ECAP, Jon Miller (Univ. Michigan), Joop Schaye (Leiden Obs.), Jose Miguel Torrejon (Univ. de Alicante), Juhani Huovelin (Univ. Helsinki), Kazuhisa Mitsuda (JAXA-ISAS), Keisuke Shinozaki (JAXA-R&D), Kevin Boyce (NASA/GSFC), Kosuke Sato (Saitama University), Laurent Ravera (IRAP), Lionel Duband (CEA-SBT), Lorenzo Natalucci (IAPS), Luca Valenziano (INAF OAS), Luigi Piro (IAPS), Marco Barbera (Univ. Palermo-Obs Palermo), Mariano Mendez (Univ. Groningen), Maria Teresa Ceballos (IFCA (CSIC-UC)), Massimo Cappi (INAF OAS), Mauro Dadina (INAF OAS), Megan Eckart (NASA/GSFC), Michael DiPirro (NASA/GSFC), Michael Wise (ASTRON), Natalie Webb (IRAP), Nicolas Clerc (IRAP), Noriko Yamasaki (JAXA-ISAS), Pasquale Mazzotta (Univ. Tov), Peter Jonker (SRON), Philippe Ferrando (CEA-SAP), Philippe Peille (CNES), Piotr Orleanski (CBK), Remeis Observatory), Richard Kelley (NASA/GSFC), Roland den Hartog (SRON), Roseline Schmisser (CNES), Salvatore Sciortino (INAF Obs. Palermo), Silvano Molendi (INAF IASF Milano), Simon Bandler (NASA/GSFC), Simone Lotti (IAPS), Stefano Ettori (INAF OAS), St\\'ephane Paltani (Univ. Gen\\`eve), Stephen Smith (NASA/GSFC), Tanguy Thibert (CSL), Thien Lam Trong (CNES), Thomas Dauser (ECAP), Veronique Valette (CNES), Xavier Barcons (ESO), Ya\\\"el Naz\\'e (Univ. Li\\`ege), Yasushi Fukazawa (Univ. Hiroshima)","submitted_at":"2018-07-16T20:22:40Z","abstract_excerpt":"The X-ray Integral Field Unit (X-IFU) is the high resolution X-ray spectrometer of the ESA Athena X-ray observatory. Over a field of view of 5' equivalent diameter, it will deliver X-ray spectra from 0.2 to 12 keV with a spectral resolution of 2.5 eV up to 7 keV on ~5 arcsecond pixels. The X-IFU is based on a large format array of super-conducting molybdenum-gold Transition Edge Sensors cooled at about 90 mK, each coupled with an absorber made of gold and bismuth with a pitch of 249 microns. A cryogenic anti-coincidence detector located underneath the prime TES array enables the non X-ray back"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1807.06092","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-07-16T20:22:40Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"68d3c5bb2a510c0e9790507fcae2aa34e4b13a4bf44bba5338a156001b40bb66","abstract_canon_sha256":"c01da92a8ed71858042169b0c97cb61c9c2e69e31d4de120c6362b01cc385fd9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:34.080088Z","signature_b64":"x94IHx2mLu3HUJZRByTI7c+tkWVmPahcXIFZgfrC9YOPOLZ11I4ze79x816/+nNH4MuMBZy4X11XwGwRziiyBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f0127717a68d2ccc1edf8e4f66195f8a6cd915e23a29af260ab316f6ad94a919","last_reissued_at":"2026-05-18T00:10:34.079446Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:34.079446Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Athena X-ray Integral Field Unit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.GA","astro-ph.HE"],"primary_cat":"astro-ph.IM","authors_text":"Agata Rozanska (CAMK PAN ), Agnieszka Janiuk (CTP Warsaw), Alexis Finoguenov (Univ. Helsinki), Alexis Paillet (CNES), Alice Pradines (CNES), Andrea Goldwurm (APC), Anne Decourchelle (CEA-SAP), Antoine Cl\\'enet (IRAP), Antoine Jolly (CNES), Aur\\'elien Ledot (CNES), Aurora Simionescu (SRON), Beatriz Cobo (IFCA (CSIC-UC)), Beno\\^it Frezouls (CNES), Bernard Pontet (CNES), Bert-Joost van Leeuwen (SRON), Brian Jackson (SRON), Bruno Vella (CNES), Caroline Kilbourne (NASA/GSFC), Christian Kirsch (ECAP), Christophe Daniel (CNES), Christophe Etcheverry (CNES), Claudio Macculi (IAPS), Corinne Aicardi (CNES), Damien Pr\\^ele (APC), Denis Schwander (CNES), Didier Barret (IRAP), Edoardo Cucchetti (IRAP), Elisa Costantini (SRON), Emilie Gloaguen (CNES), Enrico Bozzo (Univ. Gen\\`eve), Esra Bulbul (CFA), Etienne Pointecouteau (IRAP), Fabrizio Fiore (INAF Obs. Roma), Fabrizio Nicastro (INAF Obs. Roma), Flavio Gatti (Univ. Genova), Fran\\c{c}oise Delcelier-Douchin (CNES), Fran\\c{c}ois Pajot (IRAP), Frederick Porter (NASA/GSFC), Gabriel W. Pratt (CEA-SAP), Gilles Hervet (CNES), Giovanni Miniutti (CAB (CSIC-INTA)), Graziella Branduardi-Raymont (MSSL-UCL), Gregor Rauw (Univ. Li\\`ege), Henk van Weers (SRON), Herv\\'e Geoffray (CNES), Irwin Maussang (CNES), Ivan Charles (CEA-SBT), Jacco Vink (Univ. Amsterdam), Jan-Willem den Herder (SRON), Jean-Charles Damery (CNES), Jean-Marc Duval (CEA-SBT), Jean-Michel Mesnager (CNES), Jelle de Plaa (SRON), Jelle Kaastra (SRON), J\\'er\\^ome Andr\\'e (CNES), J. Miguel Mas-Hesse (CAB-INTA), Joern Wilms (ECAP, Jon Miller (Univ. Michigan), Joop Schaye (Leiden Obs.), Jose Miguel Torrejon (Univ. de Alicante), Juhani Huovelin (Univ. Helsinki), Kazuhisa Mitsuda (JAXA-ISAS), Keisuke Shinozaki (JAXA-R&D), Kevin Boyce (NASA/GSFC), Kosuke Sato (Saitama University), Laurent Ravera (IRAP), Lionel Duband (CEA-SBT), Lorenzo Natalucci (IAPS), Luca Valenziano (INAF OAS), Luigi Piro (IAPS), Marco Barbera (Univ. Palermo-Obs Palermo), Mariano Mendez (Univ. Groningen), Maria Teresa Ceballos (IFCA (CSIC-UC)), Massimo Cappi (INAF OAS), Mauro Dadina (INAF OAS), Megan Eckart (NASA/GSFC), Michael DiPirro (NASA/GSFC), Michael Wise (ASTRON), Natalie Webb (IRAP), Nicolas Clerc (IRAP), Noriko Yamasaki (JAXA-ISAS), Pasquale Mazzotta (Univ. Tov), Peter Jonker (SRON), Philippe Ferrando (CEA-SAP), Philippe Peille (CNES), Piotr Orleanski (CBK), Remeis Observatory), Richard Kelley (NASA/GSFC), Roland den Hartog (SRON), Roseline Schmisser (CNES), Salvatore Sciortino (INAF Obs. Palermo), Silvano Molendi (INAF IASF Milano), Simon Bandler (NASA/GSFC), Simone Lotti (IAPS), Stefano Ettori (INAF OAS), St\\'ephane Paltani (Univ. Gen\\`eve), Stephen Smith (NASA/GSFC), Tanguy Thibert (CSL), Thien Lam Trong (CNES), Thomas Dauser (ECAP), Veronique Valette (CNES), Xavier Barcons (ESO), Ya\\\"el Naz\\'e (Univ. Li\\`ege), Yasushi Fukazawa (Univ. Hiroshima)","submitted_at":"2018-07-16T20:22:40Z","abstract_excerpt":"The X-ray Integral Field Unit (X-IFU) is the high resolution X-ray spectrometer of the ESA Athena X-ray observatory. Over a field of view of 5' equivalent diameter, it will deliver X-ray spectra from 0.2 to 12 keV with a spectral resolution of 2.5 eV up to 7 keV on ~5 arcsecond pixels. The X-IFU is based on a large format array of super-conducting molybdenum-gold Transition Edge Sensors cooled at about 90 mK, each coupled with an absorber made of gold and bismuth with a pitch of 249 microns. A cryogenic anti-coincidence detector located underneath the prime TES array enables the non X-ray back"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.06092","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1807.06092","created_at":"2026-05-18T00:10:34.079550+00:00"},{"alias_kind":"arxiv_version","alias_value":"1807.06092v1","created_at":"2026-05-18T00:10:34.079550+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.06092","created_at":"2026-05-18T00:10:34.079550+00:00"},{"alias_kind":"pith_short_12","alias_value":"6AJHOF5GRUWM","created_at":"2026-05-18T12:32:08.215937+00:00"},{"alias_kind":"pith_short_16","alias_value":"6AJHOF5GRUWMYHW7","created_at":"2026-05-18T12:32:08.215937+00:00"},{"alias_kind":"pith_short_8","alias_value":"6AJHOF5G","created_at":"2026-05-18T12:32:08.215937+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6AJHOF5GRUWMYHW7RZHWMGK7RJ","json":"https://pith.science/pith/6AJHOF5GRUWMYHW7RZHWMGK7RJ.json","graph_json":"https://pith.science/api/pith-number/6AJHOF5GRUWMYHW7RZHWMGK7RJ/graph.json","events_json":"https://pith.science/api/pith-number/6AJHOF5GRUWMYHW7RZHWMGK7RJ/events.json","paper":"https://pith.science/paper/6AJHOF5G"},"agent_actions":{"view_html":"https://pith.science/pith/6AJHOF5GRUWMYHW7RZHWMGK7RJ","download_json":"https://pith.science/pith/6AJHOF5GRUWMYHW7RZHWMGK7RJ.json","view_paper":"https://pith.science/paper/6AJHOF5G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1807.06092&json=true","fetch_graph":"https://pith.science/api/pith-number/6AJHOF5GRUWMYHW7RZHWMGK7RJ/graph.json","fetch_events":"https://pith.science/api/pith-number/6AJHOF5GRUWMYHW7RZHWMGK7RJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6AJHOF5GRUWMYHW7RZHWMGK7RJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6AJHOF5GRUWMYHW7RZHWMGK7RJ/action/storage_attestation","attest_author":"https://pith.science/pith/6AJHOF5GRUWMYHW7RZHWMGK7RJ/action/author_attestation","sign_citation":"https://pith.science/pith/6AJHOF5GRUWMYHW7RZHWMGK7RJ/action/citation_signature","submit_replication":"https://pith.science/pith/6AJHOF5GRUWMYHW7RZHWMGK7RJ/action/replication_record"}},"created_at":"2026-05-18T00:10:34.079550+00:00","updated_at":"2026-05-18T00:10:34.079550+00:00"}