{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:SWULO47A45DZH3B3DK74MX6JUF","short_pith_number":"pith:SWULO47A","canonical_record":{"source":{"id":"1711.03595","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-09T20:44:33Z","cross_cats_sorted":["astro-ph.EP","astro-ph.SR"],"title_canon_sha256":"b4c5120f5f23fb30c6308e901429be275291f202a6df106d2ccb03137437b664","abstract_canon_sha256":"ffd7751bc7035acdf3cefe6aaac18a1c7d8b5c2ac37ab47ddba5214991e796c3"},"schema_version":"1.0"},"canonical_sha256":"95a8b773e0e74793ec3b1abfc65fc9a159779694c4b0af97566b77a1d4ae8e84","source":{"kind":"arxiv","id":"1711.03595","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.03595","created_at":"2026-05-18T00:30:51Z"},{"alias_kind":"arxiv_version","alias_value":"1711.03595v1","created_at":"2026-05-18T00:30:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.03595","created_at":"2026-05-18T00:30:51Z"},{"alias_kind":"pith_short_12","alias_value":"SWULO47A45DZ","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SWULO47A45DZH3B3","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SWULO47A","created_at":"2026-05-18T12:31:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:SWULO47A45DZH3B3DK74MX6JUF","target":"record","payload":{"canonical_record":{"source":{"id":"1711.03595","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-09T20:44:33Z","cross_cats_sorted":["astro-ph.EP","astro-ph.SR"],"title_canon_sha256":"b4c5120f5f23fb30c6308e901429be275291f202a6df106d2ccb03137437b664","abstract_canon_sha256":"ffd7751bc7035acdf3cefe6aaac18a1c7d8b5c2ac37ab47ddba5214991e796c3"},"schema_version":"1.0"},"canonical_sha256":"95a8b773e0e74793ec3b1abfc65fc9a159779694c4b0af97566b77a1d4ae8e84","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:30:51.962628Z","signature_b64":"kEAbvMzlihs5+sPvxboDk6hf0B22tKm6wVGJJlgmGpCmYjJL9Xdk9y2W9If4i3LmIMne0cmrYaR8mpPv67n4CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"95a8b773e0e74793ec3b1abfc65fc9a159779694c4b0af97566b77a1d4ae8e84","last_reissued_at":"2026-05-18T00:30:51.961921Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:30:51.961921Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.03595","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":"2026-05-18T00:30:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nwwUazl/ka41eTkYg2J9bZyyUB4sVJ/nqHYecwEL2xieRypslridcXhLSx0Fel09G24JVP1UO+Dp03MQG0p7Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:06:32.042838Z"},"content_sha256":"e89c7c8948dc7480082c657788caaf092c69fc63986304f06b262a5b8f7cb2bc","schema_version":"1.0","event_id":"sha256:e89c7c8948dc7480082c657788caaf092c69fc63986304f06b262a5b8f7cb2bc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:SWULO47A45DZH3B3DK74MX6JUF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Exoplanet Simple Orbit Fitting Toolbox (ExoSOFT): An Open-Source Tool for Efficient Fitting of Astrometric and Radial Velocity Data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP","astro-ph.SR"],"primary_cat":"astro-ph.IM","authors_text":"Kyle Mede, Timothy D. Brandt","submitted_at":"2017-11-09T20:44:33Z","abstract_excerpt":"We present the Exoplanet Simple Orbit Fitting Toolbox (ExoSOFT), a new, open-source suite to fit the orbital elements of planetary or stellar mass companions to any combination of radial velocity and astrometric data. To explore the parameter space of Keplerian models, ExoSOFT may be operated with its own multi-stage sampling approach, or interfaced with third-party tools such as emcee. In addition, ExoSOFT is packaged with a collection of post-processing tools to analyze and summarize the results. Although only a few systems have been observed with both the radial velocity and direct imaging "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.03595","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":"2026-05-18T00:30:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"euSvYvK9GMNB2apbKg9W78UcHOnPa0u9FrUEwktlJGpKRDQJylASooBbpeynZuuDoT60O1If/zHZoGCx3724CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:06:32.043548Z"},"content_sha256":"36021567c96306e5be387c20cfc93bcdbd33f6c67693e5353c6c09a590da42f4","schema_version":"1.0","event_id":"sha256:36021567c96306e5be387c20cfc93bcdbd33f6c67693e5353c6c09a590da42f4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SWULO47A45DZH3B3DK74MX6JUF/bundle.json","state_url":"https://pith.science/pith/SWULO47A45DZH3B3DK74MX6JUF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SWULO47A45DZH3B3DK74MX6JUF/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":"2026-06-01T02:06:32Z","links":{"resolver":"https://pith.science/pith/SWULO47A45DZH3B3DK74MX6JUF","bundle":"https://pith.science/pith/SWULO47A45DZH3B3DK74MX6JUF/bundle.json","state":"https://pith.science/pith/SWULO47A45DZH3B3DK74MX6JUF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SWULO47A45DZH3B3DK74MX6JUF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:SWULO47A45DZH3B3DK74MX6JUF","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":"ffd7751bc7035acdf3cefe6aaac18a1c7d8b5c2ac37ab47ddba5214991e796c3","cross_cats_sorted":["astro-ph.EP","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-09T20:44:33Z","title_canon_sha256":"b4c5120f5f23fb30c6308e901429be275291f202a6df106d2ccb03137437b664"},"schema_version":"1.0","source":{"id":"1711.03595","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.03595","created_at":"2026-05-18T00:30:51Z"},{"alias_kind":"arxiv_version","alias_value":"1711.03595v1","created_at":"2026-05-18T00:30:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.03595","created_at":"2026-05-18T00:30:51Z"},{"alias_kind":"pith_short_12","alias_value":"SWULO47A45DZ","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SWULO47A45DZH3B3","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SWULO47A","created_at":"2026-05-18T12:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:36021567c96306e5be387c20cfc93bcdbd33f6c67693e5353c6c09a590da42f4","target":"graph","created_at":"2026-05-18T00:30:51Z","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 the Exoplanet Simple Orbit Fitting Toolbox (ExoSOFT), a new, open-source suite to fit the orbital elements of planetary or stellar mass companions to any combination of radial velocity and astrometric data. To explore the parameter space of Keplerian models, ExoSOFT may be operated with its own multi-stage sampling approach, or interfaced with third-party tools such as emcee. In addition, ExoSOFT is packaged with a collection of post-processing tools to analyze and summarize the results. Although only a few systems have been observed with both the radial velocity and direct imaging ","authors_text":"Kyle Mede, Timothy D. Brandt","cross_cats":["astro-ph.EP","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-09T20:44:33Z","title":"The Exoplanet Simple Orbit Fitting Toolbox (ExoSOFT): An Open-Source Tool for Efficient Fitting of Astrometric and Radial Velocity Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.03595","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:e89c7c8948dc7480082c657788caaf092c69fc63986304f06b262a5b8f7cb2bc","target":"record","created_at":"2026-05-18T00:30:51Z","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":"ffd7751bc7035acdf3cefe6aaac18a1c7d8b5c2ac37ab47ddba5214991e796c3","cross_cats_sorted":["astro-ph.EP","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-09T20:44:33Z","title_canon_sha256":"b4c5120f5f23fb30c6308e901429be275291f202a6df106d2ccb03137437b664"},"schema_version":"1.0","source":{"id":"1711.03595","kind":"arxiv","version":1}},"canonical_sha256":"95a8b773e0e74793ec3b1abfc65fc9a159779694c4b0af97566b77a1d4ae8e84","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"95a8b773e0e74793ec3b1abfc65fc9a159779694c4b0af97566b77a1d4ae8e84","first_computed_at":"2026-05-18T00:30:51.961921Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:30:51.961921Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kEAbvMzlihs5+sPvxboDk6hf0B22tKm6wVGJJlgmGpCmYjJL9Xdk9y2W9If4i3LmIMne0cmrYaR8mpPv67n4CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:30:51.962628Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.03595","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e89c7c8948dc7480082c657788caaf092c69fc63986304f06b262a5b8f7cb2bc","sha256:36021567c96306e5be387c20cfc93bcdbd33f6c67693e5353c6c09a590da42f4"],"state_sha256":"d756b7bab7ce131f69b133176366102e391c7c81c16ca10b1dde46353a8ce9e2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yY0927Z2mBEgCsAWXGLcrRphN40t19ZZy35GohweIKg7/PbnR6uk3fb0jVgZq9Ocnh1YWaRSfo1C5JIM51wVCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T02:06:32.047378Z","bundle_sha256":"25720fde676d1d825a41ac666077e009e952a54517df3b05d6e6e78cf6aeda7b"}}