{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:YZKXESP4R3DHS7HTI6EBBETXBZ","short_pith_number":"pith:YZKXESP4","schema_version":"1.0","canonical_sha256":"c6557249fc8ec6797cf347881092770e5bcc9457bd291c1a0357fe039d4128b0","source":{"kind":"arxiv","id":"astro-ph/0508554","version":1},"attestation_state":"computed","paper":{"title":"Hectospec, the MMT's 300 Optical Fiber-Fed Spectrograph","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Andrew Szentgyorgyi, Brian McLeod, Daniel Fabricant, Edward Hertz, et al, John Geary, John Roll, Nelson Caldwell, Robert Fata, Thomas Gauron","submitted_at":"2005-08-25T19:34:21Z","abstract_excerpt":"The Hectospec is a 300 optical fiber fed spectrograph commissioned at the MMT in the spring of 2004. A pair of high-speed six-axis robots move the 300 fiber buttons between observing configurations within ~300 s and to an accuracy ~25 microns. The optical fibers run for 26 m between the MMT's focal surface and the bench spectrograph operating at R~1000-2000. Another high dispersion bench spectrograph offering R~5,000, Hectochelle, is also available. The system throughput, including all losses in the telescope optics, fibers, and spectrograph peaks at ~10% at the grating blaze in 1\" FWHM seeing"},"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/0508554","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-08-25T19:34:21Z","cross_cats_sorted":[],"title_canon_sha256":"0b1a93fc3773077c988684ae4dc3d7e4770a6c04d1d6117957cba260e0aa748a","abstract_canon_sha256":"6c780bb2522db7941e7cb693c8d54329679ff7f5781b5b68f4524122bd29156d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:20:13.540130Z","signature_b64":"ZYEN0z0yEqxCIj0zRKqtS0oQ4ohzm6/UrmZfYlPR7N7PVChvGhR18qXGdlMSwj1Oz8v8QbCcsc7hga8W00IHAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c6557249fc8ec6797cf347881092770e5bcc9457bd291c1a0357fe039d4128b0","last_reissued_at":"2026-05-18T04:20:13.539632Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:20:13.539632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Hectospec, the MMT's 300 Optical Fiber-Fed Spectrograph","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Andrew Szentgyorgyi, Brian McLeod, Daniel Fabricant, Edward Hertz, et al, John Geary, John Roll, Nelson Caldwell, Robert Fata, Thomas Gauron","submitted_at":"2005-08-25T19:34:21Z","abstract_excerpt":"The Hectospec is a 300 optical fiber fed spectrograph commissioned at the MMT in the spring of 2004. A pair of high-speed six-axis robots move the 300 fiber buttons between observing configurations within ~300 s and to an accuracy ~25 microns. The optical fibers run for 26 m between the MMT's focal surface and the bench spectrograph operating at R~1000-2000. Another high dispersion bench spectrograph offering R~5,000, Hectochelle, is also available. The system throughput, including all losses in the telescope optics, fibers, and spectrograph peaks at ~10% at the grating blaze in 1\" FWHM seeing"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0508554","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0508554","created_at":"2026-05-18T04:20:13.539699+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0508554v1","created_at":"2026-05-18T04:20:13.539699+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0508554","created_at":"2026-05-18T04:20:13.539699+00:00"},{"alias_kind":"pith_short_12","alias_value":"YZKXESP4R3DH","created_at":"2026-05-18T12:25:53.939244+00:00"},{"alias_kind":"pith_short_16","alias_value":"YZKXESP4R3DHS7HT","created_at":"2026-05-18T12:25:53.939244+00:00"},{"alias_kind":"pith_short_8","alias_value":"YZKXESP4","created_at":"2026-05-18T12:25:53.939244+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.17040","citing_title":"PEARLS: JWST Counterparts of Micro-Jy Radio Sources in the NEP Time Domain Field. II. All Four Spokes","ref_index":70,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/YZKXESP4R3DHS7HTI6EBBETXBZ","json":"https://pith.science/pith/YZKXESP4R3DHS7HTI6EBBETXBZ.json","graph_json":"https://pith.science/api/pith-number/YZKXESP4R3DHS7HTI6EBBETXBZ/graph.json","events_json":"https://pith.science/api/pith-number/YZKXESP4R3DHS7HTI6EBBETXBZ/events.json","paper":"https://pith.science/paper/YZKXESP4"},"agent_actions":{"view_html":"https://pith.science/pith/YZKXESP4R3DHS7HTI6EBBETXBZ","download_json":"https://pith.science/pith/YZKXESP4R3DHS7HTI6EBBETXBZ.json","view_paper":"https://pith.science/paper/YZKXESP4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0508554&json=true","fetch_graph":"https://pith.science/api/pith-number/YZKXESP4R3DHS7HTI6EBBETXBZ/graph.json","fetch_events":"https://pith.science/api/pith-number/YZKXESP4R3DHS7HTI6EBBETXBZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YZKXESP4R3DHS7HTI6EBBETXBZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YZKXESP4R3DHS7HTI6EBBETXBZ/action/storage_attestation","attest_author":"https://pith.science/pith/YZKXESP4R3DHS7HTI6EBBETXBZ/action/author_attestation","sign_citation":"https://pith.science/pith/YZKXESP4R3DHS7HTI6EBBETXBZ/action/citation_signature","submit_replication":"https://pith.science/pith/YZKXESP4R3DHS7HTI6EBBETXBZ/action/replication_record"}},"created_at":"2026-05-18T04:20:13.539699+00:00","updated_at":"2026-05-18T04:20:13.539699+00:00"}