{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:YPR44LGFZRNHBRVC7MLBK6GNWE","short_pith_number":"pith:YPR44LGF","canonical_record":{"source":{"id":"1806.10213","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-06-26T21:12:51Z","cross_cats_sorted":[],"title_canon_sha256":"de71d10074b1796d62310e0596180942ea289e5bbcce853ed4c3e0fb0a332377","abstract_canon_sha256":"170125eb7cf2a83b020be71832f47eb4a42327c6d51524be59c1ff4b782c363d"},"schema_version":"1.0"},"canonical_sha256":"c3e3ce2cc5cc5a70c6a2fb161578cdb131d7ac1c67ceece75b2ebc8541963934","source":{"kind":"arxiv","id":"1806.10213","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.10213","created_at":"2026-05-18T00:12:13Z"},{"alias_kind":"arxiv_version","alias_value":"1806.10213v1","created_at":"2026-05-18T00:12:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.10213","created_at":"2026-05-18T00:12:13Z"},{"alias_kind":"pith_short_12","alias_value":"YPR44LGFZRNH","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"YPR44LGFZRNHBRVC","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"YPR44LGF","created_at":"2026-05-18T12:33:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:YPR44LGFZRNHBRVC7MLBK6GNWE","target":"record","payload":{"canonical_record":{"source":{"id":"1806.10213","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-06-26T21:12:51Z","cross_cats_sorted":[],"title_canon_sha256":"de71d10074b1796d62310e0596180942ea289e5bbcce853ed4c3e0fb0a332377","abstract_canon_sha256":"170125eb7cf2a83b020be71832f47eb4a42327c6d51524be59c1ff4b782c363d"},"schema_version":"1.0"},"canonical_sha256":"c3e3ce2cc5cc5a70c6a2fb161578cdb131d7ac1c67ceece75b2ebc8541963934","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:12:13.140621Z","signature_b64":"8diXKknxU5P2UwP2vygcYcQFeICasvuLljhNNiz1gYI1PPQMlF3TwdDsW1MNSDr/+wplQJPsvxp+wCEvWGbrAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c3e3ce2cc5cc5a70c6a2fb161578cdb131d7ac1c67ceece75b2ebc8541963934","last_reissued_at":"2026-05-18T00:12:13.140018Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:12:13.140018Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.10213","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":"2026-05-18T00:12:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gmGeOK3V/XwUn3s/4RuTpxQnoMlLvm+k5ALZ0fEVTOGXGyRFwrkRgjLke4GIqmeQFtQoE3Snct5z4ymRX+AoDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T09:22:07.831231Z"},"content_sha256":"68f1c4877f903f833016845d12ca93c702ce020c55973326dad1ac11de4132b3","schema_version":"1.0","event_id":"sha256:68f1c4877f903f833016845d12ca93c702ce020c55973326dad1ac11de4132b3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:YPR44LGFZRNHBRVC7MLBK6GNWE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The role of the US National Office in the Gemini partnership","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Dara Norman, Kenneth H. Hinkle, Letizia Stanghellini, Sharon Hunt","submitted_at":"2018-06-26T21:12:51Z","abstract_excerpt":"We follow the history of the US National Gemini Office from its origin when the US National New Technology Telescope was reshaped into two 8m telescopes for the International Gemini Observatory. The development of the office in the decade of the 1990s continues to shape its function to the present. The following decade, 2000-2010, marked major milestones including the dedication of the telescopes, the reshaping of the Gemini instrumentation program, and dissatisfaction of the US community as expressed in the ALTAIR report. Nationally funded facilities are under financial pressure, as new proje"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.10213","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":"2026-05-18T00:12:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2Lff4ybiJYA3MzzW6b+2p6efaHurdIUNiobwrZDWuDfyW0sHBVKRw26oQKGrOu2E5yZG8KafoGlXOQ8tW2bJDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T09:22:07.831588Z"},"content_sha256":"786ccb0e9ffd611160105477a3f4298159e5b0029cd65699a1c86ce66310e0a3","schema_version":"1.0","event_id":"sha256:786ccb0e9ffd611160105477a3f4298159e5b0029cd65699a1c86ce66310e0a3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YPR44LGFZRNHBRVC7MLBK6GNWE/bundle.json","state_url":"https://pith.science/pith/YPR44LGFZRNHBRVC7MLBK6GNWE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YPR44LGFZRNHBRVC7MLBK6GNWE/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":"2026-06-05T09:22:07Z","links":{"resolver":"https://pith.science/pith/YPR44LGFZRNHBRVC7MLBK6GNWE","bundle":"https://pith.science/pith/YPR44LGFZRNHBRVC7MLBK6GNWE/bundle.json","state":"https://pith.science/pith/YPR44LGFZRNHBRVC7MLBK6GNWE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YPR44LGFZRNHBRVC7MLBK6GNWE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:YPR44LGFZRNHBRVC7MLBK6GNWE","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":"170125eb7cf2a83b020be71832f47eb4a42327c6d51524be59c1ff4b782c363d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-06-26T21:12:51Z","title_canon_sha256":"de71d10074b1796d62310e0596180942ea289e5bbcce853ed4c3e0fb0a332377"},"schema_version":"1.0","source":{"id":"1806.10213","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.10213","created_at":"2026-05-18T00:12:13Z"},{"alias_kind":"arxiv_version","alias_value":"1806.10213v1","created_at":"2026-05-18T00:12:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.10213","created_at":"2026-05-18T00:12:13Z"},{"alias_kind":"pith_short_12","alias_value":"YPR44LGFZRNH","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"YPR44LGFZRNHBRVC","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"YPR44LGF","created_at":"2026-05-18T12:33:04Z"}],"graph_snapshots":[{"event_id":"sha256:786ccb0e9ffd611160105477a3f4298159e5b0029cd65699a1c86ce66310e0a3","target":"graph","created_at":"2026-05-18T00:12:13Z","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 follow the history of the US National Gemini Office from its origin when the US National New Technology Telescope was reshaped into two 8m telescopes for the International Gemini Observatory. The development of the office in the decade of the 1990s continues to shape its function to the present. The following decade, 2000-2010, marked major milestones including the dedication of the telescopes, the reshaping of the Gemini instrumentation program, and dissatisfaction of the US community as expressed in the ALTAIR report. Nationally funded facilities are under financial pressure, as new proje","authors_text":"Dara Norman, Kenneth H. Hinkle, Letizia Stanghellini, Sharon Hunt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-06-26T21:12:51Z","title":"The role of the US National Office in the Gemini partnership"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.10213","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":"sha256:68f1c4877f903f833016845d12ca93c702ce020c55973326dad1ac11de4132b3","target":"record","created_at":"2026-05-18T00:12:13Z","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":"170125eb7cf2a83b020be71832f47eb4a42327c6d51524be59c1ff4b782c363d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-06-26T21:12:51Z","title_canon_sha256":"de71d10074b1796d62310e0596180942ea289e5bbcce853ed4c3e0fb0a332377"},"schema_version":"1.0","source":{"id":"1806.10213","kind":"arxiv","version":1}},"canonical_sha256":"c3e3ce2cc5cc5a70c6a2fb161578cdb131d7ac1c67ceece75b2ebc8541963934","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c3e3ce2cc5cc5a70c6a2fb161578cdb131d7ac1c67ceece75b2ebc8541963934","first_computed_at":"2026-05-18T00:12:13.140018Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:12:13.140018Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8diXKknxU5P2UwP2vygcYcQFeICasvuLljhNNiz1gYI1PPQMlF3TwdDsW1MNSDr/+wplQJPsvxp+wCEvWGbrAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:12:13.140621Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.10213","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:68f1c4877f903f833016845d12ca93c702ce020c55973326dad1ac11de4132b3","sha256:786ccb0e9ffd611160105477a3f4298159e5b0029cd65699a1c86ce66310e0a3"],"state_sha256":"746322417f7e9558fcb75088a57dc1ea87bf3b85607d20fedc444dcd624acbf5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ig39HrOtEqj4fc/t+GWnlX0rL63AHYsOC8A0vLoG2oQ7lx7whG/l5Q7sfkJ5PM3ML3U5bzeJLPW45W4yH6HkCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T09:22:07.833509Z","bundle_sha256":"f61c308d19392d9054b8009bd3c9d9ce40d9619307f4321fe8bf5d071254e6d8"}}