{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:3DSEFNZLCSUOEZGO4NIZ2A2USX","short_pith_number":"pith:3DSEFNZL","canonical_record":{"source":{"id":"1008.5352","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-31T16:24:20Z","cross_cats_sorted":[],"title_canon_sha256":"b08f84b8eed7c1266771eb9d61cd1557e7c3d0107e6ec21b454637bd88af5396","abstract_canon_sha256":"9dec2504d921d2707a27f1fce28cafb2d5f80e8e633aa45f0022a26528bce8fa"},"schema_version":"1.0"},"canonical_sha256":"d8e442b72b14a8e264cee3519d035495f0aa5cc7b42cce31fe637c79cccefa23","source":{"kind":"arxiv","id":"1008.5352","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.5352","created_at":"2026-05-18T02:05:39Z"},{"alias_kind":"arxiv_version","alias_value":"1008.5352v1","created_at":"2026-05-18T02:05:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.5352","created_at":"2026-05-18T02:05:39Z"},{"alias_kind":"pith_short_12","alias_value":"3DSEFNZLCSUO","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"3DSEFNZLCSUOEZGO","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"3DSEFNZL","created_at":"2026-05-18T12:26:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:3DSEFNZLCSUOEZGO4NIZ2A2USX","target":"record","payload":{"canonical_record":{"source":{"id":"1008.5352","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-31T16:24:20Z","cross_cats_sorted":[],"title_canon_sha256":"b08f84b8eed7c1266771eb9d61cd1557e7c3d0107e6ec21b454637bd88af5396","abstract_canon_sha256":"9dec2504d921d2707a27f1fce28cafb2d5f80e8e633aa45f0022a26528bce8fa"},"schema_version":"1.0"},"canonical_sha256":"d8e442b72b14a8e264cee3519d035495f0aa5cc7b42cce31fe637c79cccefa23","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:39.036354Z","signature_b64":"0uOAn8FlluwB6vNUltbcFyWMDyYa5S/niDZlf3KPQQ1rrMsioC/zsWwrPqHbuW7+naa85P7MNgO3rw5muoiIAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d8e442b72b14a8e264cee3519d035495f0aa5cc7b42cce31fe637c79cccefa23","last_reissued_at":"2026-05-18T02:05:39.035659Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:39.035659Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.5352","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":"2026-05-18T02:05:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y3SYhCK/9vijhoga/639kqcaB2HW37QQm211lyV2O5U9tQHfwJapZKZnEF+ksff5y46oA6BlpuSCOAKSMbfoCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:57:13.201138Z"},"content_sha256":"fcce83e9e86477f7d3c4af98a1027c54928dd04489e3d8422899a2cebf412aec","schema_version":"1.0","event_id":"sha256:fcce83e9e86477f7d3c4af98a1027c54928dd04489e3d8422899a2cebf412aec"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:3DSEFNZLCSUOEZGO4NIZ2A2USX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PIONIER: a visitor instrument for the VLTI","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. Delboulbe, A. Roux, B. Lazareff, D. Gillier, D. Maurel, D. Popovic, E. Stadler, E. Tatulli, F. Malbet, F. Menard, F. Roussel, G. Zins, J.-B. LeBouquin, J.-C. Augereau, J. Knudstrup, J.-L Lizon, J.-P. Berger, K. Perraut, L. Jocou, L. Michaud, M. Benisty, M. Germain, M. Kiekebusch, M. Micallef, N. Blind, O. Absil, P. Feautrier, P. Gitton, P. Haguenauer, P. Kern, P. Rabou, R. Millan-Gabet, S. Morel, S. Rochat, T. Moulin, W. Traub, X. Bonfils, Y. Magnard","submitted_at":"2010-08-31T16:24:20Z","abstract_excerpt":"PIONIER is a 4-telescope visitor instrument for the VLTI, planned to see its first fringes in 2010. It combines four ATs or four UTs using a pairwise ABCD integrated optics combiner that can also be used in scanning mode. It provides low spectral resolution in H and K band. PIONIER is designed for imaging with a specific emphasis on fast fringe recording to allow closure-phases and visibilities to be precisely measured. In this work we provide the detailed description of the instrument and present its updated status."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.5352","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":"2026-05-18T02:05:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m0Hdi3Sx/7BSgWdr4VmxlXyz+Xc5Sl/2SCHS1tXmYx565vtWXIeM7MOiJXETxAWZxxlx2rJqBTnCDqdb5e7eAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:57:13.201499Z"},"content_sha256":"9803e55b814f8dc02c65609924bd33ecbfa1a143c48e15dca153fab46263d5d2","schema_version":"1.0","event_id":"sha256:9803e55b814f8dc02c65609924bd33ecbfa1a143c48e15dca153fab46263d5d2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3DSEFNZLCSUOEZGO4NIZ2A2USX/bundle.json","state_url":"https://pith.science/pith/3DSEFNZLCSUOEZGO4NIZ2A2USX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3DSEFNZLCSUOEZGO4NIZ2A2USX/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":"2026-06-01T02:57:13Z","links":{"resolver":"https://pith.science/pith/3DSEFNZLCSUOEZGO4NIZ2A2USX","bundle":"https://pith.science/pith/3DSEFNZLCSUOEZGO4NIZ2A2USX/bundle.json","state":"https://pith.science/pith/3DSEFNZLCSUOEZGO4NIZ2A2USX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3DSEFNZLCSUOEZGO4NIZ2A2USX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:3DSEFNZLCSUOEZGO4NIZ2A2USX","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":"9dec2504d921d2707a27f1fce28cafb2d5f80e8e633aa45f0022a26528bce8fa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-31T16:24:20Z","title_canon_sha256":"b08f84b8eed7c1266771eb9d61cd1557e7c3d0107e6ec21b454637bd88af5396"},"schema_version":"1.0","source":{"id":"1008.5352","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.5352","created_at":"2026-05-18T02:05:39Z"},{"alias_kind":"arxiv_version","alias_value":"1008.5352v1","created_at":"2026-05-18T02:05:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.5352","created_at":"2026-05-18T02:05:39Z"},{"alias_kind":"pith_short_12","alias_value":"3DSEFNZLCSUO","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"3DSEFNZLCSUOEZGO","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"3DSEFNZL","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:9803e55b814f8dc02c65609924bd33ecbfa1a143c48e15dca153fab46263d5d2","target":"graph","created_at":"2026-05-18T02:05:39Z","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":"PIONIER is a 4-telescope visitor instrument for the VLTI, planned to see its first fringes in 2010. It combines four ATs or four UTs using a pairwise ABCD integrated optics combiner that can also be used in scanning mode. It provides low spectral resolution in H and K band. PIONIER is designed for imaging with a specific emphasis on fast fringe recording to allow closure-phases and visibilities to be precisely measured. In this work we provide the detailed description of the instrument and present its updated status.","authors_text":"A. Delboulbe, A. Roux, B. Lazareff, D. Gillier, D. Maurel, D. Popovic, E. Stadler, E. Tatulli, F. Malbet, F. Menard, F. Roussel, G. Zins, J.-B. LeBouquin, J.-C. Augereau, J. Knudstrup, J.-L Lizon, J.-P. Berger, K. Perraut, L. Jocou, L. Michaud, M. Benisty, M. Germain, M. Kiekebusch, M. Micallef, N. Blind, O. Absil, P. Feautrier, P. Gitton, P. Haguenauer, P. Kern, P. Rabou, R. Millan-Gabet, S. Morel, S. Rochat, T. Moulin, W. Traub, X. Bonfils, Y. Magnard","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-31T16:24:20Z","title":"PIONIER: a visitor instrument for the VLTI"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.5352","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:fcce83e9e86477f7d3c4af98a1027c54928dd04489e3d8422899a2cebf412aec","target":"record","created_at":"2026-05-18T02:05:39Z","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":"9dec2504d921d2707a27f1fce28cafb2d5f80e8e633aa45f0022a26528bce8fa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-08-31T16:24:20Z","title_canon_sha256":"b08f84b8eed7c1266771eb9d61cd1557e7c3d0107e6ec21b454637bd88af5396"},"schema_version":"1.0","source":{"id":"1008.5352","kind":"arxiv","version":1}},"canonical_sha256":"d8e442b72b14a8e264cee3519d035495f0aa5cc7b42cce31fe637c79cccefa23","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d8e442b72b14a8e264cee3519d035495f0aa5cc7b42cce31fe637c79cccefa23","first_computed_at":"2026-05-18T02:05:39.035659Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:39.035659Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0uOAn8FlluwB6vNUltbcFyWMDyYa5S/niDZlf3KPQQ1rrMsioC/zsWwrPqHbuW7+naa85P7MNgO3rw5muoiIAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:39.036354Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.5352","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fcce83e9e86477f7d3c4af98a1027c54928dd04489e3d8422899a2cebf412aec","sha256:9803e55b814f8dc02c65609924bd33ecbfa1a143c48e15dca153fab46263d5d2"],"state_sha256":"4a3f310c157807d06d96dd202cac6bae3439f53323e7dce851053cfd772c70d6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8UsXXE7PEwFgPdqxoP7YXp+X65iFMYvR4oahl85sIhcn6n5Bt/juDNtRku0XHBVdi2bOPhy9ajFstRqJLpxGCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T02:57:13.203434Z","bundle_sha256":"7ac63ed7d93dc406bb7deeb6b93de3cc813cc8a8bab84ac8a8ab5b9758ba0b27"}}