{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:5BVRSPOVFLEB7N3GLVDZS76E4Z","short_pith_number":"pith:5BVRSPOV","canonical_record":{"source":{"id":"2309.00717","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-09-01T19:49:13Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"527b5159b673bc0b8602e136707d5baebe31767c69787789137cfef744ba088f","abstract_canon_sha256":"15e1a76ae64520b645f8c3c80ef1ff92c00127a0bebdff262861feb23703948e"},"schema_version":"1.0"},"canonical_sha256":"e86b193dd52ac81fb7665d47997fc4e66050b733083efb29a7c256f86f4f7af6","source":{"kind":"arxiv","id":"2309.00717","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.00717","created_at":"2026-07-05T06:47:05Z"},{"alias_kind":"arxiv_version","alias_value":"2309.00717v1","created_at":"2026-07-05T06:47:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.00717","created_at":"2026-07-05T06:47:05Z"},{"alias_kind":"pith_short_12","alias_value":"5BVRSPOVFLEB","created_at":"2026-07-05T06:47:05Z"},{"alias_kind":"pith_short_16","alias_value":"5BVRSPOVFLEB7N3G","created_at":"2026-07-05T06:47:05Z"},{"alias_kind":"pith_short_8","alias_value":"5BVRSPOV","created_at":"2026-07-05T06:47:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:5BVRSPOVFLEB7N3GLVDZS76E4Z","target":"record","payload":{"canonical_record":{"source":{"id":"2309.00717","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-09-01T19:49:13Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"527b5159b673bc0b8602e136707d5baebe31767c69787789137cfef744ba088f","abstract_canon_sha256":"15e1a76ae64520b645f8c3c80ef1ff92c00127a0bebdff262861feb23703948e"},"schema_version":"1.0"},"canonical_sha256":"e86b193dd52ac81fb7665d47997fc4e66050b733083efb29a7c256f86f4f7af6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:47:05.975487Z","signature_b64":"QOgzbTIZ1avBOmHqd/KDuV1svG4MTaFW4pp8mPupSXOqJQAGOWPsXhObyHTyrjKqBxBkWp3vaRRdM2fDnIrGAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e86b193dd52ac81fb7665d47997fc4e66050b733083efb29a7c256f86f4f7af6","last_reissued_at":"2026-07-05T06:47:05.975005Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:47:05.975005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.00717","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":"2026-07-05T06:47:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UIzCeltDND68qzk5q1XIy9NR1enj5mQdz5eLAWjpoVML5PIrPWv2Y6MUGD45SAhliMIV81AmPDCVlP9szLEPCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T20:10:32.665190Z"},"content_sha256":"61c7e5a74cfca660d85e2af1fef41e6cb3d51f0eb5f7e34a29293b64712c5263","schema_version":"1.0","event_id":"sha256:61c7e5a74cfca660d85e2af1fef41e6cb3d51f0eb5f7e34a29293b64712c5263"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:5BVRSPOVFLEB7N3GLVDZS76E4Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The high-speed X-ray camera on AXIS","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.IM","authors_text":"Abraham D. Falcone (Pennsylvania State University), Andrew Malonis, Andrew Ptak (NASA/GSFC), Benjamin Schneider (Massachusetts Institute of Technology), Beverly LaMarr, Catherine E. Grant, Christopher Leitz (MIT Lincoln Laboratory), Christopher Reynolds (University of Maryland), Eric D. Miller, Gregory Prigozhin, Haley Stueber (Stanford University), Marshall W. Bautz, Peter Orel, R. Glenn Morris, Richard F. Foster, Steven W. Allen, Sven Herrmann, Tanmoy Chattopadhyay","submitted_at":"2023-09-01T19:49:13Z","abstract_excerpt":"AXIS is a Probe-class mission concept that will provide high-throughput, high-spatial-resolution X-ray spectral imaging, enabling transformative studies of high-energy astrophysical phenomena. To take advantage of the advanced optics and avoid photon pile-up, the AXIS focal plane requires detectors with readout rates at least 20 times faster than previous soft X-ray imaging spectrometers flying aboard missions such as Chandra and Suzaku, while retaining the low noise, excellent spectral performance, and low power requirements of those instruments. We present the design of the AXIS high-speed X"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.00717","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/2309.00717/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":"2026-07-05T06:47:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qi4Jx6bsGpd72BiXqgBMh8j2qV1/POqjVVaybTW82HbOuxViivflLzPmPM0Xt8gu4i+L7QX8OnE8FdcV5oLlCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T20:10:32.665585Z"},"content_sha256":"9f0137a481eb2dd8f5a2ea338ebae85cafebdb6e66ef37e9b2cb1d77ba7e9f60","schema_version":"1.0","event_id":"sha256:9f0137a481eb2dd8f5a2ea338ebae85cafebdb6e66ef37e9b2cb1d77ba7e9f60"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5BVRSPOVFLEB7N3GLVDZS76E4Z/bundle.json","state_url":"https://pith.science/pith/5BVRSPOVFLEB7N3GLVDZS76E4Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5BVRSPOVFLEB7N3GLVDZS76E4Z/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":"2026-07-08T20:10:32Z","links":{"resolver":"https://pith.science/pith/5BVRSPOVFLEB7N3GLVDZS76E4Z","bundle":"https://pith.science/pith/5BVRSPOVFLEB7N3GLVDZS76E4Z/bundle.json","state":"https://pith.science/pith/5BVRSPOVFLEB7N3GLVDZS76E4Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5BVRSPOVFLEB7N3GLVDZS76E4Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:5BVRSPOVFLEB7N3GLVDZS76E4Z","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":"15e1a76ae64520b645f8c3c80ef1ff92c00127a0bebdff262861feb23703948e","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-09-01T19:49:13Z","title_canon_sha256":"527b5159b673bc0b8602e136707d5baebe31767c69787789137cfef744ba088f"},"schema_version":"1.0","source":{"id":"2309.00717","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.00717","created_at":"2026-07-05T06:47:05Z"},{"alias_kind":"arxiv_version","alias_value":"2309.00717v1","created_at":"2026-07-05T06:47:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.00717","created_at":"2026-07-05T06:47:05Z"},{"alias_kind":"pith_short_12","alias_value":"5BVRSPOVFLEB","created_at":"2026-07-05T06:47:05Z"},{"alias_kind":"pith_short_16","alias_value":"5BVRSPOVFLEB7N3G","created_at":"2026-07-05T06:47:05Z"},{"alias_kind":"pith_short_8","alias_value":"5BVRSPOV","created_at":"2026-07-05T06:47:05Z"}],"graph_snapshots":[{"event_id":"sha256:9f0137a481eb2dd8f5a2ea338ebae85cafebdb6e66ef37e9b2cb1d77ba7e9f60","target":"graph","created_at":"2026-07-05T06:47:05Z","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/2309.00717/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"AXIS is a Probe-class mission concept that will provide high-throughput, high-spatial-resolution X-ray spectral imaging, enabling transformative studies of high-energy astrophysical phenomena. To take advantage of the advanced optics and avoid photon pile-up, the AXIS focal plane requires detectors with readout rates at least 20 times faster than previous soft X-ray imaging spectrometers flying aboard missions such as Chandra and Suzaku, while retaining the low noise, excellent spectral performance, and low power requirements of those instruments. We present the design of the AXIS high-speed X","authors_text":"Abraham D. Falcone (Pennsylvania State University), Andrew Malonis, Andrew Ptak (NASA/GSFC), Benjamin Schneider (Massachusetts Institute of Technology), Beverly LaMarr, Catherine E. Grant, Christopher Leitz (MIT Lincoln Laboratory), Christopher Reynolds (University of Maryland), Eric D. Miller, Gregory Prigozhin, Haley Stueber (Stanford University), Marshall W. Bautz, Peter Orel, R. Glenn Morris, Richard F. Foster, Steven W. Allen, Sven Herrmann, Tanmoy Chattopadhyay","cross_cats":["astro-ph.HE"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-09-01T19:49:13Z","title":"The high-speed X-ray camera on AXIS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.00717","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":"sha256:61c7e5a74cfca660d85e2af1fef41e6cb3d51f0eb5f7e34a29293b64712c5263","target":"record","created_at":"2026-07-05T06:47:05Z","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":"15e1a76ae64520b645f8c3c80ef1ff92c00127a0bebdff262861feb23703948e","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-09-01T19:49:13Z","title_canon_sha256":"527b5159b673bc0b8602e136707d5baebe31767c69787789137cfef744ba088f"},"schema_version":"1.0","source":{"id":"2309.00717","kind":"arxiv","version":1}},"canonical_sha256":"e86b193dd52ac81fb7665d47997fc4e66050b733083efb29a7c256f86f4f7af6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e86b193dd52ac81fb7665d47997fc4e66050b733083efb29a7c256f86f4f7af6","first_computed_at":"2026-07-05T06:47:05.975005Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:47:05.975005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QOgzbTIZ1avBOmHqd/KDuV1svG4MTaFW4pp8mPupSXOqJQAGOWPsXhObyHTyrjKqBxBkWp3vaRRdM2fDnIrGAg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:47:05.975487Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.00717","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:61c7e5a74cfca660d85e2af1fef41e6cb3d51f0eb5f7e34a29293b64712c5263","sha256:9f0137a481eb2dd8f5a2ea338ebae85cafebdb6e66ef37e9b2cb1d77ba7e9f60"],"state_sha256":"977564b92ac4546a8a695d2f9db99bcda281f0f17842c11d94af2484932cb6e2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i054EGMwV96dqmZXkXtYzBU58GMEZK/zPczZGWZZQVD3VG2jtzZ0E9s8oB0H0dlJjlgS6sqFthRL5NAWuNWUDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T20:10:32.667951Z","bundle_sha256":"42f13a69d83d5579c408963c24acf623b258c3d7fea7eecfd5f3bdfd1368512c"}}