{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2003:72VUCF6VAGTYGSMUX5YBXCP5Y3","short_pith_number":"pith:72VUCF6V","schema_version":"1.0","canonical_sha256":"feab4117d501a7834994bf701b89fdc6fdd5997694b4daf8ca126a42a4f6da66","source":{"kind":"arxiv","id":"astro-ph/0306220","version":1},"attestation_state":"computed","paper":{"title":"A Geometric Determination of the Distance to the Galactic Center","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Eckart, F. Eisenhauer, M. Tecza, R. Abuter, R. Genzel, R. Schoedel, T. Alexander, T. Ott","submitted_at":"2003-06-11T07:25:49Z","abstract_excerpt":"We report new astrometric and spectroscopic observations of the star S2 orbiting the massive black hole in the Galactic Center, which were taken at the ESO VLT with the adaptive optics assisted, near-IR camera NAOS/CONICA and the near-IR integral field spectrometer SPIFFI. We use these data to determine all orbital parameters of the star with high precision, including the Sun-Galactic Center distance, which is a key parameter for calibrating stellar standard candles and an important rung in the extragalactic distance ladder. Our deduced value of Ro = 8.0 +/- 0.4 kpc is the most accurate primar"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"astro-ph/0306220","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-06-11T07:25:49Z","cross_cats_sorted":[],"title_canon_sha256":"4ddb9dc3c1be95a2e4f115fe4b989e7dee30a10616d7133bd15a5a6e0d894ed2","abstract_canon_sha256":"e9b01a47765e6d550c987cf9a68006328a90035a6e30e15216bba29721ad82ad"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:37:17.136043Z","signature_b64":"ARZ8CZ2FbL0n1utJ+6lxNfVRG1euYGiplDWLR026Nq1uW9a4soWdbR32t4nu27eYpkJfO7KFKWyoKVN48fwWAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"feab4117d501a7834994bf701b89fdc6fdd5997694b4daf8ca126a42a4f6da66","last_reissued_at":"2026-07-04T16:37:17.135648Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:37:17.135648Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Geometric Determination of the Distance to the Galactic Center","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Eckart, F. Eisenhauer, M. Tecza, R. Abuter, R. Genzel, R. Schoedel, T. Alexander, T. Ott","submitted_at":"2003-06-11T07:25:49Z","abstract_excerpt":"We report new astrometric and spectroscopic observations of the star S2 orbiting the massive black hole in the Galactic Center, which were taken at the ESO VLT with the adaptive optics assisted, near-IR camera NAOS/CONICA and the near-IR integral field spectrometer SPIFFI. We use these data to determine all orbital parameters of the star with high precision, including the Sun-Galactic Center distance, which is a key parameter for calibrating stellar standard candles and an important rung in the extragalactic distance ladder. Our deduced value of Ro = 8.0 +/- 0.4 kpc is the most accurate primar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0306220","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0306220/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0306220","created_at":"2026-07-04T16:37:17.135708+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0306220v1","created_at":"2026-07-04T16:37:17.135708+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0306220","created_at":"2026-07-04T16:37:17.135708+00:00"},{"alias_kind":"pith_short_12","alias_value":"72VUCF6VAGTY","created_at":"2026-07-04T16:37:17.135708+00:00"},{"alias_kind":"pith_short_16","alias_value":"72VUCF6VAGTYGSMU","created_at":"2026-07-04T16:37:17.135708+00:00"},{"alias_kind":"pith_short_8","alias_value":"72VUCF6V","created_at":"2026-07-04T16:37:17.135708+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/72VUCF6VAGTYGSMUX5YBXCP5Y3","json":"https://pith.science/pith/72VUCF6VAGTYGSMUX5YBXCP5Y3.json","graph_json":"https://pith.science/api/pith-number/72VUCF6VAGTYGSMUX5YBXCP5Y3/graph.json","events_json":"https://pith.science/api/pith-number/72VUCF6VAGTYGSMUX5YBXCP5Y3/events.json","paper":"https://pith.science/paper/72VUCF6V"},"agent_actions":{"view_html":"https://pith.science/pith/72VUCF6VAGTYGSMUX5YBXCP5Y3","download_json":"https://pith.science/pith/72VUCF6VAGTYGSMUX5YBXCP5Y3.json","view_paper":"https://pith.science/paper/72VUCF6V","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0306220&json=true","fetch_graph":"https://pith.science/api/pith-number/72VUCF6VAGTYGSMUX5YBXCP5Y3/graph.json","fetch_events":"https://pith.science/api/pith-number/72VUCF6VAGTYGSMUX5YBXCP5Y3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/72VUCF6VAGTYGSMUX5YBXCP5Y3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/72VUCF6VAGTYGSMUX5YBXCP5Y3/action/storage_attestation","attest_author":"https://pith.science/pith/72VUCF6VAGTYGSMUX5YBXCP5Y3/action/author_attestation","sign_citation":"https://pith.science/pith/72VUCF6VAGTYGSMUX5YBXCP5Y3/action/citation_signature","submit_replication":"https://pith.science/pith/72VUCF6VAGTYGSMUX5YBXCP5Y3/action/replication_record"}},"created_at":"2026-07-04T16:37:17.135708+00:00","updated_at":"2026-07-04T16:37:17.135708+00:00"}