{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:3YQTADZT2CXCYAC7A7QZMV6UWJ","short_pith_number":"pith:3YQTADZT","canonical_record":{"source":{"id":"1408.6541","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-08-27T20:00:39Z","cross_cats_sorted":[],"title_canon_sha256":"1d945be4a4c3b83b4c9815baaf95d916f0efe06c4eee838975e2b84d4890f969","abstract_canon_sha256":"e37b81bf45c111812a747091844208f7811f4c822f1c58067f35cb33683445a4"},"schema_version":"1.0"},"canonical_sha256":"de21300f33d0ae2c005f07e19657d4b26f29e624b4547c627f23072c06066663","source":{"kind":"arxiv","id":"1408.6541","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.6541","created_at":"2026-05-18T02:44:01Z"},{"alias_kind":"arxiv_version","alias_value":"1408.6541v1","created_at":"2026-05-18T02:44:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.6541","created_at":"2026-05-18T02:44:01Z"},{"alias_kind":"pith_short_12","alias_value":"3YQTADZT2CXC","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"3YQTADZT2CXCYAC7","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"3YQTADZT","created_at":"2026-05-18T12:28:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:3YQTADZT2CXCYAC7A7QZMV6UWJ","target":"record","payload":{"canonical_record":{"source":{"id":"1408.6541","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-08-27T20:00:39Z","cross_cats_sorted":[],"title_canon_sha256":"1d945be4a4c3b83b4c9815baaf95d916f0efe06c4eee838975e2b84d4890f969","abstract_canon_sha256":"e37b81bf45c111812a747091844208f7811f4c822f1c58067f35cb33683445a4"},"schema_version":"1.0"},"canonical_sha256":"de21300f33d0ae2c005f07e19657d4b26f29e624b4547c627f23072c06066663","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:44:01.357644Z","signature_b64":"rB2QWZqkVsdPWKXCAxnKydPblSJBbg6Qfjmdf0D+UE9lyRhPY1wTAV9lbEkEp7pwr4YzPoKSCi3qfwDQYMxvCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"de21300f33d0ae2c005f07e19657d4b26f29e624b4547c627f23072c06066663","last_reissued_at":"2026-05-18T02:44:01.357114Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:44:01.357114Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.6541","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":"2026-05-18T02:44:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hGvbn7llDP3dR8vohKS+GkNHCgv6FSc+YGqPQPM/4O6UdOcQmEVgBIqEd1mbiZ9b+/XR0xIsuy/r7g9u5RlaDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T07:10:08.200274Z"},"content_sha256":"a6c8a44e120be8cd313c0c8bed689531d7b7b391a6577ad03037ab1570be15b4","schema_version":"1.0","event_id":"sha256:a6c8a44e120be8cd313c0c8bed689531d7b7b391a6577ad03037ab1570be15b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:3YQTADZT2CXCYAC7A7QZMV6UWJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The LOFT Ground Segment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. Antonelli (b), A. Argan (c), A.D. Schwope (n), A. Papitto (i), A. Santangelo (l), (b) ASDC, Bellaterra, C. Ferrigno (a), (c) INAF HQ, C. Motch (k), C. Pittori (b), C. Schmid (m), D. Barret (d, (d) CNRS, Denmark, D. G\\\"otz (h), D. Klochkov (l), D. Lumb (p), DSM/IRFU/SAp, E. Bozzo (a), E. Cavazzuti (b), E. Kuulkers (j), (e) National Space Institute, France, France), (f) SRON, Germany, (g) INAF-IAPS-Roma Italy, (h) CEA Saclay, (i) IEEC/CSIC, IRAP, Italy, (j) ESA/ESAC, J.J.M. in't Zand (f), J.W. den Herder (f), J. Wilms (m), (k) Observatoire Astronomique de Strasbourg, L. Guy (a), (l) IAAT University of Tuebingen, Lyngby, Madrid, M. Feroci (g, M. Hernanz (i), (m) University of Erlangen-Nuremberg, N. A. Webb (d, Netherlands, (n) Leibniz-Institut fuer Astrophysik Potsdam, Noordwijk, (o) Mullard Space Science Laboratory, P. Binko (a), (p) ESA/ESTEC, P. Giommi (b), P.J. Smith (o), q), (q) INFN, r), Rome, R. Rohlfs (a), (r) Universite de Toulouse, S. Brandt (e), Sez. Roma Tor Vergata, Spain, Switzerland, S. Zane (o) ((a) ISDC, T. Courvoisier (a), Technical University of Denmark, The Netherlands, The Netherlands Institute of Space Research, Toulouse, UCL, United Kingdom, University of Geneva, UPS-OMP, Utrecht","submitted_at":"2014-08-27T20:00:39Z","abstract_excerpt":"LOFT, the Large Observatory For X-ray Timing, was one of the ESA M3 mission candidates that completed their assessment phase at the end of 2013. LOFT is equipped with two instruments, the Large Area Detector (LAD) and the Wide Field Monitor (WFM). The LAD performs pointed observations of several targets per orbit (~90 minutes), providing roughly ~80 GB of proprietary data per day (the proprietary period will be 12 months). The WFM continuously monitors about 1/3 of the sky at a time and provides data for about ~100 sources a day, resulting in a total of ~20 GB of additional telemetry. The LOFT"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.6541","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":"2026-05-18T02:44:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jj/XZrboAwrVW1hfeiE+XFstnwefZCeWdtkXGyl+3YoUq9ZfpFJPn6WARziWIeGmW0UT3PX1F0DKqVAZOvGhCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T07:10:08.200862Z"},"content_sha256":"642f670ed4aecffdcd94a22797dd9ad7024e99d5154d73a7c1ea1e2cc25a0dc3","schema_version":"1.0","event_id":"sha256:642f670ed4aecffdcd94a22797dd9ad7024e99d5154d73a7c1ea1e2cc25a0dc3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3YQTADZT2CXCYAC7A7QZMV6UWJ/bundle.json","state_url":"https://pith.science/pith/3YQTADZT2CXCYAC7A7QZMV6UWJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3YQTADZT2CXCYAC7A7QZMV6UWJ/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":"2026-06-04T07:10:08Z","links":{"resolver":"https://pith.science/pith/3YQTADZT2CXCYAC7A7QZMV6UWJ","bundle":"https://pith.science/pith/3YQTADZT2CXCYAC7A7QZMV6UWJ/bundle.json","state":"https://pith.science/pith/3YQTADZT2CXCYAC7A7QZMV6UWJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3YQTADZT2CXCYAC7A7QZMV6UWJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:3YQTADZT2CXCYAC7A7QZMV6UWJ","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":"e37b81bf45c111812a747091844208f7811f4c822f1c58067f35cb33683445a4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-08-27T20:00:39Z","title_canon_sha256":"1d945be4a4c3b83b4c9815baaf95d916f0efe06c4eee838975e2b84d4890f969"},"schema_version":"1.0","source":{"id":"1408.6541","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.6541","created_at":"2026-05-18T02:44:01Z"},{"alias_kind":"arxiv_version","alias_value":"1408.6541v1","created_at":"2026-05-18T02:44:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.6541","created_at":"2026-05-18T02:44:01Z"},{"alias_kind":"pith_short_12","alias_value":"3YQTADZT2CXC","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"3YQTADZT2CXCYAC7","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"3YQTADZT","created_at":"2026-05-18T12:28:11Z"}],"graph_snapshots":[{"event_id":"sha256:642f670ed4aecffdcd94a22797dd9ad7024e99d5154d73a7c1ea1e2cc25a0dc3","target":"graph","created_at":"2026-05-18T02:44:01Z","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":"LOFT, the Large Observatory For X-ray Timing, was one of the ESA M3 mission candidates that completed their assessment phase at the end of 2013. LOFT is equipped with two instruments, the Large Area Detector (LAD) and the Wide Field Monitor (WFM). The LAD performs pointed observations of several targets per orbit (~90 minutes), providing roughly ~80 GB of proprietary data per day (the proprietary period will be 12 months). The WFM continuously monitors about 1/3 of the sky at a time and provides data for about ~100 sources a day, resulting in a total of ~20 GB of additional telemetry. The LOFT","authors_text":"A. Antonelli (b), A. Argan (c), A.D. Schwope (n), A. Papitto (i), A. Santangelo (l), (b) ASDC, Bellaterra, C. Ferrigno (a), (c) INAF HQ, C. Motch (k), C. Pittori (b), C. Schmid (m), D. Barret (d, (d) CNRS, Denmark, D. G\\\"otz (h), D. Klochkov (l), D. Lumb (p), DSM/IRFU/SAp, E. Bozzo (a), E. Cavazzuti (b), E. Kuulkers (j), (e) National Space Institute, France, France), (f) SRON, Germany, (g) INAF-IAPS-Roma Italy, (h) CEA Saclay, (i) IEEC/CSIC, IRAP, Italy, (j) ESA/ESAC, J.J.M. in't Zand (f), J.W. den Herder (f), J. Wilms (m), (k) Observatoire Astronomique de Strasbourg, L. Guy (a), (l) IAAT University of Tuebingen, Lyngby, Madrid, M. Feroci (g, M. Hernanz (i), (m) University of Erlangen-Nuremberg, N. A. Webb (d, Netherlands, (n) Leibniz-Institut fuer Astrophysik Potsdam, Noordwijk, (o) Mullard Space Science Laboratory, P. Binko (a), (p) ESA/ESTEC, P. Giommi (b), P.J. Smith (o), q), (q) INFN, r), Rome, R. Rohlfs (a), (r) Universite de Toulouse, S. Brandt (e), Sez. Roma Tor Vergata, Spain, Switzerland, S. Zane (o) ((a) ISDC, T. Courvoisier (a), Technical University of Denmark, The Netherlands, The Netherlands Institute of Space Research, Toulouse, UCL, United Kingdom, University of Geneva, UPS-OMP, Utrecht","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-08-27T20:00:39Z","title":"The LOFT Ground Segment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.6541","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:a6c8a44e120be8cd313c0c8bed689531d7b7b391a6577ad03037ab1570be15b4","target":"record","created_at":"2026-05-18T02:44:01Z","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":"e37b81bf45c111812a747091844208f7811f4c822f1c58067f35cb33683445a4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-08-27T20:00:39Z","title_canon_sha256":"1d945be4a4c3b83b4c9815baaf95d916f0efe06c4eee838975e2b84d4890f969"},"schema_version":"1.0","source":{"id":"1408.6541","kind":"arxiv","version":1}},"canonical_sha256":"de21300f33d0ae2c005f07e19657d4b26f29e624b4547c627f23072c06066663","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"de21300f33d0ae2c005f07e19657d4b26f29e624b4547c627f23072c06066663","first_computed_at":"2026-05-18T02:44:01.357114Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:44:01.357114Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rB2QWZqkVsdPWKXCAxnKydPblSJBbg6Qfjmdf0D+UE9lyRhPY1wTAV9lbEkEp7pwr4YzPoKSCi3qfwDQYMxvCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:44:01.357644Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.6541","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a6c8a44e120be8cd313c0c8bed689531d7b7b391a6577ad03037ab1570be15b4","sha256:642f670ed4aecffdcd94a22797dd9ad7024e99d5154d73a7c1ea1e2cc25a0dc3"],"state_sha256":"af67fae96142ed2765959ac1faf401534b8199368e121c5aeaf2a927a2ce2707"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I0lH+qvn7kKPHl5xULh0qBoxww0DwX4GEMwVfpfRz4O34YPy66HKkgbqzluwdFBVKT+wAzzPyrqYmCkbVm0qBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T07:10:08.203715Z","bundle_sha256":"4ed19b9a0c4c41ad0ac2fbe4c4aa3f2e4135d7ad3e1061225fa6d953b90131fa"}}