{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:27A5GENTTWGAGLHARQ7NUA44HE","short_pith_number":"pith:27A5GENT","canonical_record":{"source":{"id":"1006.5676","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-29T16:49:39Z","cross_cats_sorted":[],"title_canon_sha256":"701f062b08ed380efdeba0c2c21cdedf321eb113f35679e949ac6715ab983e06","abstract_canon_sha256":"777cdcb3a76805a3f5b7fd00e1979bca5781e6786d018973e656a7cddb8dc61f"},"schema_version":"1.0"},"canonical_sha256":"d7c1d311b39d8c032ce08c3eda039c3908b01f36e81d838f27a0c20e8e9b9bf9","source":{"kind":"arxiv","id":"1006.5676","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.5676","created_at":"2026-05-18T02:06:34Z"},{"alias_kind":"arxiv_version","alias_value":"1006.5676v1","created_at":"2026-05-18T02:06:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.5676","created_at":"2026-05-18T02:06:34Z"},{"alias_kind":"pith_short_12","alias_value":"27A5GENTTWGA","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"27A5GENTTWGAGLHA","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"27A5GENT","created_at":"2026-05-18T12:26:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:27A5GENTTWGAGLHARQ7NUA44HE","target":"record","payload":{"canonical_record":{"source":{"id":"1006.5676","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-29T16:49:39Z","cross_cats_sorted":[],"title_canon_sha256":"701f062b08ed380efdeba0c2c21cdedf321eb113f35679e949ac6715ab983e06","abstract_canon_sha256":"777cdcb3a76805a3f5b7fd00e1979bca5781e6786d018973e656a7cddb8dc61f"},"schema_version":"1.0"},"canonical_sha256":"d7c1d311b39d8c032ce08c3eda039c3908b01f36e81d838f27a0c20e8e9b9bf9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:06:34.334188Z","signature_b64":"O7+PsfN9iOPfMS2U5XzixBsbL+kJxE3Kwc0HKocrcKQdwFMnmlKGjrtl/Mvs+jTEQKgfUYwDAla5UM9d1xAFBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d7c1d311b39d8c032ce08c3eda039c3908b01f36e81d838f27a0c20e8e9b9bf9","last_reissued_at":"2026-05-18T02:06:34.333640Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:06:34.333640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1006.5676","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":"2026-05-18T02:06:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R9NbtfQSiVi+KHUu0+PsaW5jHp+lt/3m6nbjKLrgN/gT3SfVo7TvAWtpqoULi2yLF1cNwMG+o1LdjneU7h79Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T22:25:35.253605Z"},"content_sha256":"152cccb34bb510cd9f011e675ac761b4e663c7dbcbd0af340bd0e25166bd3be0","schema_version":"1.0","event_id":"sha256:152cccb34bb510cd9f011e675ac761b4e663c7dbcbd0af340bd0e25166bd3be0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:27A5GENTTWGAGLHARQ7NUA44HE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Speckle Interferometry at the U.S. Naval Observatory. XV","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Brian D. Mason, Gary L. Wycoff, William I. Hartkopf","submitted_at":"2010-06-29T16:49:39Z","abstract_excerpt":"Results of 2433 intensified CCD observations of double stars, made with the 26-inch refractor of the U.S. Naval Observatory are presented. Each observation of a system represents a combination of over 2000 short-exposure images. These observations are averaged into 1013 mean relative positions and range in separation from 0.96\" to 58.05\", with a mean separation of 13.50\". This is the 15th in this series of papers and covers the period 2008 January 3 through 2008 December 21."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.5676","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":"2026-05-18T02:06:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"66BV9DxLkM1fbjMc0/gqi54ma9rYiD+YzY2DRWuKybu+eltN4gf/jZuLwYfUPm0FpAAeyC9XbM/rh4WdNB6TBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T22:25:35.254462Z"},"content_sha256":"898cdcc86333d8d2d35fc6a8c8b7b810af6db0eafd1e3acdd4dbecfd9f2270da","schema_version":"1.0","event_id":"sha256:898cdcc86333d8d2d35fc6a8c8b7b810af6db0eafd1e3acdd4dbecfd9f2270da"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/27A5GENTTWGAGLHARQ7NUA44HE/bundle.json","state_url":"https://pith.science/pith/27A5GENTTWGAGLHARQ7NUA44HE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/27A5GENTTWGAGLHARQ7NUA44HE/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":"2026-06-11T22:25:35Z","links":{"resolver":"https://pith.science/pith/27A5GENTTWGAGLHARQ7NUA44HE","bundle":"https://pith.science/pith/27A5GENTTWGAGLHARQ7NUA44HE/bundle.json","state":"https://pith.science/pith/27A5GENTTWGAGLHARQ7NUA44HE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/27A5GENTTWGAGLHARQ7NUA44HE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:27A5GENTTWGAGLHARQ7NUA44HE","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":"777cdcb3a76805a3f5b7fd00e1979bca5781e6786d018973e656a7cddb8dc61f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-29T16:49:39Z","title_canon_sha256":"701f062b08ed380efdeba0c2c21cdedf321eb113f35679e949ac6715ab983e06"},"schema_version":"1.0","source":{"id":"1006.5676","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.5676","created_at":"2026-05-18T02:06:34Z"},{"alias_kind":"arxiv_version","alias_value":"1006.5676v1","created_at":"2026-05-18T02:06:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.5676","created_at":"2026-05-18T02:06:34Z"},{"alias_kind":"pith_short_12","alias_value":"27A5GENTTWGA","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"27A5GENTTWGAGLHA","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"27A5GENT","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:898cdcc86333d8d2d35fc6a8c8b7b810af6db0eafd1e3acdd4dbecfd9f2270da","target":"graph","created_at":"2026-05-18T02:06:34Z","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":"Results of 2433 intensified CCD observations of double stars, made with the 26-inch refractor of the U.S. Naval Observatory are presented. Each observation of a system represents a combination of over 2000 short-exposure images. These observations are averaged into 1013 mean relative positions and range in separation from 0.96\" to 58.05\", with a mean separation of 13.50\". This is the 15th in this series of papers and covers the period 2008 January 3 through 2008 December 21.","authors_text":"Brian D. Mason, Gary L. Wycoff, William I. Hartkopf","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-29T16:49:39Z","title":"Speckle Interferometry at the U.S. Naval Observatory. XV"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.5676","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":"sha256:152cccb34bb510cd9f011e675ac761b4e663c7dbcbd0af340bd0e25166bd3be0","target":"record","created_at":"2026-05-18T02:06:34Z","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":"777cdcb3a76805a3f5b7fd00e1979bca5781e6786d018973e656a7cddb8dc61f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-29T16:49:39Z","title_canon_sha256":"701f062b08ed380efdeba0c2c21cdedf321eb113f35679e949ac6715ab983e06"},"schema_version":"1.0","source":{"id":"1006.5676","kind":"arxiv","version":1}},"canonical_sha256":"d7c1d311b39d8c032ce08c3eda039c3908b01f36e81d838f27a0c20e8e9b9bf9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d7c1d311b39d8c032ce08c3eda039c3908b01f36e81d838f27a0c20e8e9b9bf9","first_computed_at":"2026-05-18T02:06:34.333640Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:06:34.333640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O7+PsfN9iOPfMS2U5XzixBsbL+kJxE3Kwc0HKocrcKQdwFMnmlKGjrtl/Mvs+jTEQKgfUYwDAla5UM9d1xAFBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:06:34.334188Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.5676","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:152cccb34bb510cd9f011e675ac761b4e663c7dbcbd0af340bd0e25166bd3be0","sha256:898cdcc86333d8d2d35fc6a8c8b7b810af6db0eafd1e3acdd4dbecfd9f2270da"],"state_sha256":"c971b0111c6d88803593e45c7272d2ecfd30d23260902933155f27a2a30ccc0f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nh0Qi3++2DD+yERBSR1T+5gE9T4e9evM2Ff31jsxCw6jc23H3nBt7bDOoxCvn3QHKesJOdObhjo2tHOue4BjDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T22:25:35.259035Z","bundle_sha256":"8509ecfd15a162d82d4d6ebb7df6699831e8b1558c6595cf0eb671f6c10094de"}}