{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:HJGXYXHHCGXWLHFUIW7ZL7LKCO","short_pith_number":"pith:HJGXYXHH","canonical_record":{"source":{"id":"1409.6105","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-22T08:17:25Z","cross_cats_sorted":[],"title_canon_sha256":"1e9a254e8a3cf0110f9a7f16e2429480e02cb39d92572e8e5e32280753978256","abstract_canon_sha256":"41a4b440d8d618a646372d90f39e4391e703fb213776b0ed02c67ac449853466"},"schema_version":"1.0"},"canonical_sha256":"3a4d7c5ce711af659cb445bf95fd6a1394620a0e2ac7a04e9a5f81a85d63de80","source":{"kind":"arxiv","id":"1409.6105","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.6105","created_at":"2026-05-18T02:38:38Z"},{"alias_kind":"arxiv_version","alias_value":"1409.6105v1","created_at":"2026-05-18T02:38:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.6105","created_at":"2026-05-18T02:38:38Z"},{"alias_kind":"pith_short_12","alias_value":"HJGXYXHHCGXW","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"HJGXYXHHCGXWLHFU","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"HJGXYXHH","created_at":"2026-05-18T12:28:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:HJGXYXHHCGXWLHFUIW7ZL7LKCO","target":"record","payload":{"canonical_record":{"source":{"id":"1409.6105","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-22T08:17:25Z","cross_cats_sorted":[],"title_canon_sha256":"1e9a254e8a3cf0110f9a7f16e2429480e02cb39d92572e8e5e32280753978256","abstract_canon_sha256":"41a4b440d8d618a646372d90f39e4391e703fb213776b0ed02c67ac449853466"},"schema_version":"1.0"},"canonical_sha256":"3a4d7c5ce711af659cb445bf95fd6a1394620a0e2ac7a04e9a5f81a85d63de80","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:38:38.641107Z","signature_b64":"BwVpEwyflK7ojRN7mnDR21jgsAaeGj4qMmtLc3ZARwYWMBjJp9uLvVIG/P9uIUByNDwaiUWp780Ru5kFhz2YDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3a4d7c5ce711af659cb445bf95fd6a1394620a0e2ac7a04e9a5f81a85d63de80","last_reissued_at":"2026-05-18T02:38:38.640687Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:38:38.640687Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.6105","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":"2026-05-18T02:38:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p+j6AjuwOka2FczSvfMoGGPbvrzi+BEsKgv/+5WG3f1ddZOrpn1+936R2lgclreinUmn6SFDk/BeR/BNMJ4fAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T19:56:48.038385Z"},"content_sha256":"9f2fcdc2a2804f685d0dd49046d4627166dc8585f27d8ab62ea51280f8c72e3a","schema_version":"1.0","event_id":"sha256:9f2fcdc2a2804f685d0dd49046d4627166dc8585f27d8ab62ea51280f8c72e3a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:HJGXYXHHCGXWLHFUIW7ZL7LKCO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Searching for faint companions with VLTI/PIONIER. II. 92 main sequence stars from the Exozodi survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Denis Defrere, Jean-Baptiste Le Bouquin, Jean-Charles Augereau, Jeremy Lebreton, Julien Milli, Lindsay Marion, Nicolas Blind, Olivier Absil, Steve Ertel","submitted_at":"2014-09-22T08:17:25Z","abstract_excerpt":"The Exozodi survey aims to determine the occurrence rate of bright exozodiacal discs around nearby main sequence stars using infrared interferometry. Although the Exozodi survey targets have been carefully selected to avoid the presence of binary stars, the results of this survey can still be biased by the presence of unidentified stellar companions. Using the PIONIER data set collected within the Exozodi survey, we aim to search for the signature of point-like companions around the Exozodi target stars. We use both the closure phases and squared visibilities collected by PIONIER to search for"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.6105","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":"2026-05-18T02:38:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fPUO1Q7g7IWBBtXpp9WAJuclfwrxG8aCYL2dEIhmUrl/S3BTj7W+g9Fr85fm0PRR2wC597+f3WImsqtvV8TSCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T19:56:48.038805Z"},"content_sha256":"b8cc63f2c1f281514d79952c1af746ec563f97e991214d0204a16fceb4216331","schema_version":"1.0","event_id":"sha256:b8cc63f2c1f281514d79952c1af746ec563f97e991214d0204a16fceb4216331"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HJGXYXHHCGXWLHFUIW7ZL7LKCO/bundle.json","state_url":"https://pith.science/pith/HJGXYXHHCGXWLHFUIW7ZL7LKCO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HJGXYXHHCGXWLHFUIW7ZL7LKCO/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":"2026-05-28T19:56:48Z","links":{"resolver":"https://pith.science/pith/HJGXYXHHCGXWLHFUIW7ZL7LKCO","bundle":"https://pith.science/pith/HJGXYXHHCGXWLHFUIW7ZL7LKCO/bundle.json","state":"https://pith.science/pith/HJGXYXHHCGXWLHFUIW7ZL7LKCO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HJGXYXHHCGXWLHFUIW7ZL7LKCO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:HJGXYXHHCGXWLHFUIW7ZL7LKCO","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":"41a4b440d8d618a646372d90f39e4391e703fb213776b0ed02c67ac449853466","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-22T08:17:25Z","title_canon_sha256":"1e9a254e8a3cf0110f9a7f16e2429480e02cb39d92572e8e5e32280753978256"},"schema_version":"1.0","source":{"id":"1409.6105","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.6105","created_at":"2026-05-18T02:38:38Z"},{"alias_kind":"arxiv_version","alias_value":"1409.6105v1","created_at":"2026-05-18T02:38:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.6105","created_at":"2026-05-18T02:38:38Z"},{"alias_kind":"pith_short_12","alias_value":"HJGXYXHHCGXW","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"HJGXYXHHCGXWLHFU","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"HJGXYXHH","created_at":"2026-05-18T12:28:30Z"}],"graph_snapshots":[{"event_id":"sha256:b8cc63f2c1f281514d79952c1af746ec563f97e991214d0204a16fceb4216331","target":"graph","created_at":"2026-05-18T02:38:38Z","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":"The Exozodi survey aims to determine the occurrence rate of bright exozodiacal discs around nearby main sequence stars using infrared interferometry. Although the Exozodi survey targets have been carefully selected to avoid the presence of binary stars, the results of this survey can still be biased by the presence of unidentified stellar companions. Using the PIONIER data set collected within the Exozodi survey, we aim to search for the signature of point-like companions around the Exozodi target stars. We use both the closure phases and squared visibilities collected by PIONIER to search for","authors_text":"Denis Defrere, Jean-Baptiste Le Bouquin, Jean-Charles Augereau, Jeremy Lebreton, Julien Milli, Lindsay Marion, Nicolas Blind, Olivier Absil, Steve Ertel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-22T08:17:25Z","title":"Searching for faint companions with VLTI/PIONIER. II. 92 main sequence stars from the Exozodi survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.6105","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":"sha256:9f2fcdc2a2804f685d0dd49046d4627166dc8585f27d8ab62ea51280f8c72e3a","target":"record","created_at":"2026-05-18T02:38:38Z","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":"41a4b440d8d618a646372d90f39e4391e703fb213776b0ed02c67ac449853466","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-22T08:17:25Z","title_canon_sha256":"1e9a254e8a3cf0110f9a7f16e2429480e02cb39d92572e8e5e32280753978256"},"schema_version":"1.0","source":{"id":"1409.6105","kind":"arxiv","version":1}},"canonical_sha256":"3a4d7c5ce711af659cb445bf95fd6a1394620a0e2ac7a04e9a5f81a85d63de80","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3a4d7c5ce711af659cb445bf95fd6a1394620a0e2ac7a04e9a5f81a85d63de80","first_computed_at":"2026-05-18T02:38:38.640687Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:38:38.640687Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BwVpEwyflK7ojRN7mnDR21jgsAaeGj4qMmtLc3ZARwYWMBjJp9uLvVIG/P9uIUByNDwaiUWp780Ru5kFhz2YDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:38:38.641107Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.6105","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9f2fcdc2a2804f685d0dd49046d4627166dc8585f27d8ab62ea51280f8c72e3a","sha256:b8cc63f2c1f281514d79952c1af746ec563f97e991214d0204a16fceb4216331"],"state_sha256":"dbc0f16d4de746e8f4d6b1482dde3c6953df92ea4603fbb6f754261f4c281921"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dh4UGAmy+waYz0CDRVRz2eDMCnNP7DOw/TtZP8alF7SY0MKa9ashe8c6gRLofVchHroVfSZZYXqYtDZ8Qya7BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T19:56:48.042220Z","bundle_sha256":"8510734fc1e30a77dfcef2a610e48f67425249a1a059e5ae1dc126834ff9a113"}}