{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:B2CKI4TQ5IRIRA2PSNBMFZ64OC","short_pith_number":"pith:B2CKI4TQ","canonical_record":{"source":{"id":"1510.00392","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-01T20:03:59Z","cross_cats_sorted":[],"title_canon_sha256":"13bcb87c28929e9ea16145000bf56c114c5ac73e5a66ed668b231d2e82e71a6c","abstract_canon_sha256":"d86ce6262335e5aeb4d116bb552bdf983f6c597830d4d190795ba9a8072f2119"},"schema_version":"1.0"},"canonical_sha256":"0e84a47270ea2288834f9342c2e7dc70b56aa41edc685ca13866fdfbafd25b3b","source":{"kind":"arxiv","id":"1510.00392","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.00392","created_at":"2026-05-18T01:27:22Z"},{"alias_kind":"arxiv_version","alias_value":"1510.00392v1","created_at":"2026-05-18T01:27:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.00392","created_at":"2026-05-18T01:27:22Z"},{"alias_kind":"pith_short_12","alias_value":"B2CKI4TQ5IRI","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"B2CKI4TQ5IRIRA2P","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"B2CKI4TQ","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:B2CKI4TQ5IRIRA2PSNBMFZ64OC","target":"record","payload":{"canonical_record":{"source":{"id":"1510.00392","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-01T20:03:59Z","cross_cats_sorted":[],"title_canon_sha256":"13bcb87c28929e9ea16145000bf56c114c5ac73e5a66ed668b231d2e82e71a6c","abstract_canon_sha256":"d86ce6262335e5aeb4d116bb552bdf983f6c597830d4d190795ba9a8072f2119"},"schema_version":"1.0"},"canonical_sha256":"0e84a47270ea2288834f9342c2e7dc70b56aa41edc685ca13866fdfbafd25b3b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:27:22.344842Z","signature_b64":"+XArNP7Bh8J8z+PhuS4yB/iLvCg292qZkowwuHyBLmi4vfmPDaqzMVtftta1g+MGhQwmgjIRZau6SCtz6ahCBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0e84a47270ea2288834f9342c2e7dc70b56aa41edc685ca13866fdfbafd25b3b","last_reissued_at":"2026-05-18T01:27:22.344378Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:27:22.344378Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.00392","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":"2026-05-18T01:27:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qo7TtfFGsRc98R8VjBIdaGF7Vxl7D1JUjdO3hndbDpHKtqoy7oVpOgDsIq+XGSQV5/bENLsmeyYgBsMWhe16AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T09:01:58.540914Z"},"content_sha256":"f3a8d6dfdb864992f5f8668ba782238b9919a17d240f9b5007a43e3695821725","schema_version":"1.0","event_id":"sha256:f3a8d6dfdb864992f5f8668ba782238b9919a17d240f9b5007a43e3695821725"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:B2CKI4TQ5IRIRA2PSNBMFZ64OC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High Resolution Imaging of Very Low Mass Spectral Binaries: Three Resolved Systems and Detection of Orbital Motion in an L/T Transition Binary","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Adam J. Burgasser, Christopher R. Gelino, Daniella C. Bardalez Gagliuffi","submitted_at":"2015-10-01T20:03:59Z","abstract_excerpt":"We present high resolution Laser Guide Star Adaptive Optics imaging of 43 late-M, L and T dwarf systems with Keck/NIRC2. These include 17 spectral binary candidates, systems whose spectra suggest the presence of a T dwarf secondary. We resolve three systems: 2MASS J1341$-$3052, SDSS J1511+0607 and SDSS J2052$-$1609; the first two are resolved for the first time. All three have projected separations $<8$ AU and estimated periods of $14-80$ years. We also report a preliminary orbit determination for SDSS J2052$-$1609 based on six epochs of resolved astrometry between 2005$-$2010. Among the 14 un"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.00392","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":"2026-05-18T01:27:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6veq06FDhpM8oIdu9Smlp3i4h3aBiM1HE+TDtzaXiJwcwqmCiveVyKbrHb2gXpEA/l1nZA/dbU5y3IO5QUx2DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T09:01:58.541255Z"},"content_sha256":"08b65bd18cc379bbd7751b245f32604b0acea721bdab475c1824e685c288fd9a","schema_version":"1.0","event_id":"sha256:08b65bd18cc379bbd7751b245f32604b0acea721bdab475c1824e685c288fd9a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B2CKI4TQ5IRIRA2PSNBMFZ64OC/bundle.json","state_url":"https://pith.science/pith/B2CKI4TQ5IRIRA2PSNBMFZ64OC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B2CKI4TQ5IRIRA2PSNBMFZ64OC/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":"2026-06-11T09:01:58Z","links":{"resolver":"https://pith.science/pith/B2CKI4TQ5IRIRA2PSNBMFZ64OC","bundle":"https://pith.science/pith/B2CKI4TQ5IRIRA2PSNBMFZ64OC/bundle.json","state":"https://pith.science/pith/B2CKI4TQ5IRIRA2PSNBMFZ64OC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B2CKI4TQ5IRIRA2PSNBMFZ64OC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:B2CKI4TQ5IRIRA2PSNBMFZ64OC","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":"d86ce6262335e5aeb4d116bb552bdf983f6c597830d4d190795ba9a8072f2119","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-01T20:03:59Z","title_canon_sha256":"13bcb87c28929e9ea16145000bf56c114c5ac73e5a66ed668b231d2e82e71a6c"},"schema_version":"1.0","source":{"id":"1510.00392","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.00392","created_at":"2026-05-18T01:27:22Z"},{"alias_kind":"arxiv_version","alias_value":"1510.00392v1","created_at":"2026-05-18T01:27:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.00392","created_at":"2026-05-18T01:27:22Z"},{"alias_kind":"pith_short_12","alias_value":"B2CKI4TQ5IRI","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"B2CKI4TQ5IRIRA2P","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"B2CKI4TQ","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:08b65bd18cc379bbd7751b245f32604b0acea721bdab475c1824e685c288fd9a","target":"graph","created_at":"2026-05-18T01:27:22Z","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 high resolution Laser Guide Star Adaptive Optics imaging of 43 late-M, L and T dwarf systems with Keck/NIRC2. These include 17 spectral binary candidates, systems whose spectra suggest the presence of a T dwarf secondary. We resolve three systems: 2MASS J1341$-$3052, SDSS J1511+0607 and SDSS J2052$-$1609; the first two are resolved for the first time. All three have projected separations $<8$ AU and estimated periods of $14-80$ years. We also report a preliminary orbit determination for SDSS J2052$-$1609 based on six epochs of resolved astrometry between 2005$-$2010. Among the 14 un","authors_text":"Adam J. Burgasser, Christopher R. Gelino, Daniella C. Bardalez Gagliuffi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-01T20:03:59Z","title":"High Resolution Imaging of Very Low Mass Spectral Binaries: Three Resolved Systems and Detection of Orbital Motion in an L/T Transition Binary"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.00392","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:f3a8d6dfdb864992f5f8668ba782238b9919a17d240f9b5007a43e3695821725","target":"record","created_at":"2026-05-18T01:27:22Z","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":"d86ce6262335e5aeb4d116bb552bdf983f6c597830d4d190795ba9a8072f2119","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-01T20:03:59Z","title_canon_sha256":"13bcb87c28929e9ea16145000bf56c114c5ac73e5a66ed668b231d2e82e71a6c"},"schema_version":"1.0","source":{"id":"1510.00392","kind":"arxiv","version":1}},"canonical_sha256":"0e84a47270ea2288834f9342c2e7dc70b56aa41edc685ca13866fdfbafd25b3b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0e84a47270ea2288834f9342c2e7dc70b56aa41edc685ca13866fdfbafd25b3b","first_computed_at":"2026-05-18T01:27:22.344378Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:27:22.344378Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+XArNP7Bh8J8z+PhuS4yB/iLvCg292qZkowwuHyBLmi4vfmPDaqzMVtftta1g+MGhQwmgjIRZau6SCtz6ahCBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:27:22.344842Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.00392","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f3a8d6dfdb864992f5f8668ba782238b9919a17d240f9b5007a43e3695821725","sha256:08b65bd18cc379bbd7751b245f32604b0acea721bdab475c1824e685c288fd9a"],"state_sha256":"8fc33e6d5c6b38c753ecbdb2e65e3373fb61a88bf3e7bc381a076df4b7c215a7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uPgWebDRO/ptIz8YBhDZND79RSQQk130S/o0VR20mJvP8qOCIpMkAmHCE8ly6srzqGtqFw6yDKRyX6YuNwWzDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T09:01:58.543232Z","bundle_sha256":"bcc0a28953fb3f5b2424d6ba798d8f19c57fcfa2ff12c4c46f7af27287a05895"}}