{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:BB56L4DLXTW2UCLSZZ5IWFABR2","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":"804c5a151ac627a7bf994c861ff68f8b0b70be7591b6c8ddbb6f981fec1241f9","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-11-29T16:07:42Z","title_canon_sha256":"6b1999da7790588261cb7a9fc85010d8b448a29b9b6dbf879946e69a77573989"},"schema_version":"1.0","source":{"id":"astro-ph/0611903","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0611903","created_at":"2026-05-18T01:40:28Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0611903v1","created_at":"2026-05-18T01:40:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0611903","created_at":"2026-05-18T01:40:28Z"},{"alias_kind":"pith_short_12","alias_value":"BB56L4DLXTW2","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"BB56L4DLXTW2UCLS","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"BB56L4DL","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:7cf2102e802f162a4f4c6d4c3ea487de750ae55a96fb8e847a676a80a3d6168d","target":"graph","created_at":"2026-05-18T01:40:28Z","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":"We present JHK observations of 22 intermediate-mass stars in Sco OB2, obtained with VLT/NACO. The survey was performed to determine the status of (sub)stellar candidate companions of A and late-B members. The distinction between companions and background stars is by a comparison with isochrones and statistical arguments. We are sensitive to companions in the separation range 0.1''-11'' (13-1430 AU) and K<17. We detect 62 secondaries of which 18 are physical companions (3 new), 11 candidates, and 33 background stars. The companion masses are in the range 0.03<M<1.19 Msun, with mass ratios 0.06<","authors_text":"A.G.A. Brown (Leiden), L. Kaper (Amsterdam), M.B.N. Kouwenhoven (Sheffield)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-11-29T16:07:42Z","title":"A brown dwarf desert for intermediate mass stars in Sco OB2?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0611903","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":"sha256:45d21a8b0bf8470095cbe0fe9191acf32c37b96ea1a449880939d0798a49420d","target":"record","created_at":"2026-05-18T01:40:28Z","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":"804c5a151ac627a7bf994c861ff68f8b0b70be7591b6c8ddbb6f981fec1241f9","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-11-29T16:07:42Z","title_canon_sha256":"6b1999da7790588261cb7a9fc85010d8b448a29b9b6dbf879946e69a77573989"},"schema_version":"1.0","source":{"id":"astro-ph/0611903","kind":"arxiv","version":1}},"canonical_sha256":"087be5f06bbcedaa0972ce7a8b14018ea662ddf3eb7a63695fa7d55cbbcaa9d3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"087be5f06bbcedaa0972ce7a8b14018ea662ddf3eb7a63695fa7d55cbbcaa9d3","first_computed_at":"2026-05-18T01:40:28.629013Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:28.629013Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tJv1xdbd8jJOFkGuxddKEXuWy3RfcPkY82m8E/5akm6b02DmX2LGgXL1fUSFEM5XDrvUqR0HzMtqAHJ8gJkHDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:28.629699Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0611903","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:45d21a8b0bf8470095cbe0fe9191acf32c37b96ea1a449880939d0798a49420d","sha256:7cf2102e802f162a4f4c6d4c3ea487de750ae55a96fb8e847a676a80a3d6168d"],"state_sha256":"c3d2327564f472aeeae2679ef9f4ecf3e6238729c5376996af349a3bfae019de"}