{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:JTG6BWXNZ7NCGDRSKMDFU2TRQC","short_pith_number":"pith:JTG6BWXN","canonical_record":{"source":{"id":"0809.0895","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-04T20:02:03Z","cross_cats_sorted":[],"title_canon_sha256":"67915daf5b99f1ab8fde95db5dae1807599c3a2580c6cb88c63e41ccc6b02f72","abstract_canon_sha256":"1dadf656835b426d86b2e6e8153049f53f7a0b77dd3d56389b0dd11e7f0f0813"},"schema_version":"1.0"},"canonical_sha256":"4ccde0daedcfda230e3253065a6a718088660be56ac7d6ebdbd5df8717bae689","source":{"kind":"arxiv","id":"0809.0895","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.0895","created_at":"2026-05-18T04:29:32Z"},{"alias_kind":"arxiv_version","alias_value":"0809.0895v1","created_at":"2026-05-18T04:29:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.0895","created_at":"2026-05-18T04:29:32Z"},{"alias_kind":"pith_short_12","alias_value":"JTG6BWXNZ7NC","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"JTG6BWXNZ7NCGDRS","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"JTG6BWXN","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:JTG6BWXNZ7NCGDRSKMDFU2TRQC","target":"record","payload":{"canonical_record":{"source":{"id":"0809.0895","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-04T20:02:03Z","cross_cats_sorted":[],"title_canon_sha256":"67915daf5b99f1ab8fde95db5dae1807599c3a2580c6cb88c63e41ccc6b02f72","abstract_canon_sha256":"1dadf656835b426d86b2e6e8153049f53f7a0b77dd3d56389b0dd11e7f0f0813"},"schema_version":"1.0"},"canonical_sha256":"4ccde0daedcfda230e3253065a6a718088660be56ac7d6ebdbd5df8717bae689","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:32.878514Z","signature_b64":"5O3ECJs+5M4BZ4jWy/YokdPiqCjwLeisvrQC4Z5YgY0yXS0GOc+uytDpjIHEmZyHoLBLIVx+TRGevPfhhMZoAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ccde0daedcfda230e3253065a6a718088660be56ac7d6ebdbd5df8717bae689","last_reissued_at":"2026-05-18T04:29:32.878150Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:32.878150Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0809.0895","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":"2026-05-18T04:29:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vc2sV4Sqg3v93ZXxGJTKw1ILeLpocBHgPnlkOMGKPUPtkt9M8z3MauN5N2WDJJ1t6O537GMpWabOtpTjqY6GAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:57:43.267602Z"},"content_sha256":"02847b6f1163e8bb812bba0cbe970f335076afd1c5ab95f15c340cbb665e4171","schema_version":"1.0","event_id":"sha256:02847b6f1163e8bb812bba0cbe970f335076afd1c5ab95f15c340cbb665e4171"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:JTG6BWXNZ7NCGDRSKMDFU2TRQC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Visual orbit of GJ 164 AB","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Barbara Rojas-Ayala, Frantz Martinache, James P. Lloyd, Michael J. Ireland, Peter G. Tuthill","submitted_at":"2008-09-04T20:02:03Z","abstract_excerpt":"We report seven successful observations of the astrometric binary GJ 164 AB system with aperture masking interferometry. The companion, with a near infrared contrast of 5:1 was detected beyond the formal diffraction limit. Combined with astrometric observations from the literature, these observations fix the parallax of the system, and allow a model-independent mass determination of both components. We find the mass of GJ 164B to be $ 0.086 \\pm 0.007 M_{\\sun}$. An infrared spectroscopic study of a sample of M-Dwarfs outlines a method for calibrating metallicity of M-Dwarfs. Results from the ne"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.0895","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":"2026-05-18T04:29:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lyxb756wQbP7vt/a+CwRcPz65qGR8N8fWBdf1xPfTaYPueyvV0oBlFmI4r1a4nTfTkrbXz2tx/oFsWhiUlOCCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:57:43.267956Z"},"content_sha256":"dc861044d9535eb2e91127557e4ea91158d098f2eb396dd141dbfa03e06530f5","schema_version":"1.0","event_id":"sha256:dc861044d9535eb2e91127557e4ea91158d098f2eb396dd141dbfa03e06530f5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JTG6BWXNZ7NCGDRSKMDFU2TRQC/bundle.json","state_url":"https://pith.science/pith/JTG6BWXNZ7NCGDRSKMDFU2TRQC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JTG6BWXNZ7NCGDRSKMDFU2TRQC/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":"2026-06-03T19:57:43Z","links":{"resolver":"https://pith.science/pith/JTG6BWXNZ7NCGDRSKMDFU2TRQC","bundle":"https://pith.science/pith/JTG6BWXNZ7NCGDRSKMDFU2TRQC/bundle.json","state":"https://pith.science/pith/JTG6BWXNZ7NCGDRSKMDFU2TRQC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JTG6BWXNZ7NCGDRSKMDFU2TRQC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:JTG6BWXNZ7NCGDRSKMDFU2TRQC","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":"1dadf656835b426d86b2e6e8153049f53f7a0b77dd3d56389b0dd11e7f0f0813","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-04T20:02:03Z","title_canon_sha256":"67915daf5b99f1ab8fde95db5dae1807599c3a2580c6cb88c63e41ccc6b02f72"},"schema_version":"1.0","source":{"id":"0809.0895","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.0895","created_at":"2026-05-18T04:29:32Z"},{"alias_kind":"arxiv_version","alias_value":"0809.0895v1","created_at":"2026-05-18T04:29:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.0895","created_at":"2026-05-18T04:29:32Z"},{"alias_kind":"pith_short_12","alias_value":"JTG6BWXNZ7NC","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"JTG6BWXNZ7NCGDRS","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"JTG6BWXN","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:dc861044d9535eb2e91127557e4ea91158d098f2eb396dd141dbfa03e06530f5","target":"graph","created_at":"2026-05-18T04:29:32Z","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 report seven successful observations of the astrometric binary GJ 164 AB system with aperture masking interferometry. The companion, with a near infrared contrast of 5:1 was detected beyond the formal diffraction limit. Combined with astrometric observations from the literature, these observations fix the parallax of the system, and allow a model-independent mass determination of both components. We find the mass of GJ 164B to be $ 0.086 \\pm 0.007 M_{\\sun}$. An infrared spectroscopic study of a sample of M-Dwarfs outlines a method for calibrating metallicity of M-Dwarfs. Results from the ne","authors_text":"Barbara Rojas-Ayala, Frantz Martinache, James P. Lloyd, Michael J. Ireland, Peter G. Tuthill","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-04T20:02:03Z","title":"Visual orbit of GJ 164 AB"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.0895","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":"sha256:02847b6f1163e8bb812bba0cbe970f335076afd1c5ab95f15c340cbb665e4171","target":"record","created_at":"2026-05-18T04:29:32Z","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":"1dadf656835b426d86b2e6e8153049f53f7a0b77dd3d56389b0dd11e7f0f0813","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-09-04T20:02:03Z","title_canon_sha256":"67915daf5b99f1ab8fde95db5dae1807599c3a2580c6cb88c63e41ccc6b02f72"},"schema_version":"1.0","source":{"id":"0809.0895","kind":"arxiv","version":1}},"canonical_sha256":"4ccde0daedcfda230e3253065a6a718088660be56ac7d6ebdbd5df8717bae689","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ccde0daedcfda230e3253065a6a718088660be56ac7d6ebdbd5df8717bae689","first_computed_at":"2026-05-18T04:29:32.878150Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:29:32.878150Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5O3ECJs+5M4BZ4jWy/YokdPiqCjwLeisvrQC4Z5YgY0yXS0GOc+uytDpjIHEmZyHoLBLIVx+TRGevPfhhMZoAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:29:32.878514Z","signed_message":"canonical_sha256_bytes"},"source_id":"0809.0895","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:02847b6f1163e8bb812bba0cbe970f335076afd1c5ab95f15c340cbb665e4171","sha256:dc861044d9535eb2e91127557e4ea91158d098f2eb396dd141dbfa03e06530f5"],"state_sha256":"e37d299c36f658d9a03e28b361855918ff299101192e9bcbf34701b5a21b38a5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0fd9h0VSNpZd0hcMXqBJ8zkU9mtS7XawD3v+0FEHn+kHKVqELEvL/gFZWIqufQIyW+yc+IjWXmg85YpNnI3sCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T19:57:43.269859Z","bundle_sha256":"06e0ad4d28921fd8c5259eff7d890a9f03cee8bb4f8993b9f5392fb7fbe6ed92"}}