{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:J7ACLOJ4STR6L47BTUH2U3XXGD","short_pith_number":"pith:J7ACLOJ4","canonical_record":{"source":{"id":"astro-ph/0411612","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-11-22T16:27:14Z","cross_cats_sorted":[],"title_canon_sha256":"85e9833c393fcf947576718d863516d10e7e6b3fefb339236f61644af4877417","abstract_canon_sha256":"eb9d077e0cbba5304be89f8337352ea5b210293325ec9f1af69b9d3a44c750e4"},"schema_version":"1.0"},"canonical_sha256":"4fc025b93c94e3e5f3e19d0faa6ef730e4d015c2522a234a17b0a01aeb7a33b7","source":{"kind":"arxiv","id":"astro-ph/0411612","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0411612","created_at":"2026-05-18T02:40:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0411612v2","created_at":"2026-05-18T02:40:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0411612","created_at":"2026-05-18T02:40:26Z"},{"alias_kind":"pith_short_12","alias_value":"J7ACLOJ4STR6","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"J7ACLOJ4STR6L47B","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"J7ACLOJ4","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:J7ACLOJ4STR6L47BTUH2U3XXGD","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0411612","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-11-22T16:27:14Z","cross_cats_sorted":[],"title_canon_sha256":"85e9833c393fcf947576718d863516d10e7e6b3fefb339236f61644af4877417","abstract_canon_sha256":"eb9d077e0cbba5304be89f8337352ea5b210293325ec9f1af69b9d3a44c750e4"},"schema_version":"1.0"},"canonical_sha256":"4fc025b93c94e3e5f3e19d0faa6ef730e4d015c2522a234a17b0a01aeb7a33b7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:40:26.008653Z","signature_b64":"6nzUaJIgN1bNOAgpwXq2BN1cnmlppe7pwIRlXo3QCLU4kJaLEo3rNDShKA1UsG+IH6HRuA1fqVo0VD9t+tooDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4fc025b93c94e3e5f3e19d0faa6ef730e4d015c2522a234a17b0a01aeb7a33b7","last_reissued_at":"2026-05-18T02:40:26.008234Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:40:26.008234Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0411612","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:40:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7Sd++gMmYPzepUr85Hjr3KCMP/sA4ss/V8jV4k3vrWJeleaZgDvyxTvsxo+Yegz6nOZTPLl/gl3/+JkgwYC7Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T13:26:30.012529Z"},"content_sha256":"482a91801a8ff83f76629f7f27aa0dd19672ab14c78e166709403aeb15786225","schema_version":"1.0","event_id":"sha256:482a91801a8ff83f76629f7f27aa0dd19672ab14c78e166709403aeb15786225"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:J7ACLOJ4STR6L47BTUH2U3XXGD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Science Programs for a 2 m-class Telescope at Dome C, Antarctica: PILOT, the Pathfinder for an International Large Optical Telescope","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A.J. Walsh, C. Blake, C.G. Tinney, C.H. Smith, D. Woods, G. Lewis, I.A. Bond, J.A. Bailey, J. Bland-Hawthorn, J. Lawrence, J.W.V. Storey, K. Glazebrook, M.C.B. Ashley, M.G. Burton, M.G. Hidas, M. Whiting, P.C.M. Yock, P. Tuthill, R. Sharp, S.D. Ryder, S. Mattila, S.N. Longmore, S.T. Maddison, T.R. Bedding, T. Wong, V. Minier, W. Walsh","submitted_at":"2004-11-22T16:27:14Z","abstract_excerpt":"The cold, dry and stable air above the summits of the Antarctic plateau provides the best ground-based observing conditions from optical to sub-mm wavelengths to be found on the Earth. PILOT is a proposed 2 m telescope, to be built at Dome C in Antarctica, able to exploit these conditions for conducting astronomy at optical and infrared wavelengths. While PILOT is intended as a pathfinder towards the construction of future grand-design facilities, it will also be able to undertake a range of fundamental science investigations in its own right. This paper provides the performance specifications"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0411612","kind":"arxiv","version":2},"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":"2026-05-18T02:40:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"btsfk7MKRe6cmbF1hM+uyd6O7X3IMIvCvNCg1yA5r5VdjjKXEztrK9bvK6ckYij9hrqh9OAUSDNfDJxPpYu7Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T13:26:30.013140Z"},"content_sha256":"56bbb05584579bb956b393c5052000e9de63b37aa67444e59a75fc256e74f901","schema_version":"1.0","event_id":"sha256:56bbb05584579bb956b393c5052000e9de63b37aa67444e59a75fc256e74f901"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J7ACLOJ4STR6L47BTUH2U3XXGD/bundle.json","state_url":"https://pith.science/pith/J7ACLOJ4STR6L47BTUH2U3XXGD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J7ACLOJ4STR6L47BTUH2U3XXGD/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":"2026-05-25T13:26:30Z","links":{"resolver":"https://pith.science/pith/J7ACLOJ4STR6L47BTUH2U3XXGD","bundle":"https://pith.science/pith/J7ACLOJ4STR6L47BTUH2U3XXGD/bundle.json","state":"https://pith.science/pith/J7ACLOJ4STR6L47BTUH2U3XXGD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J7ACLOJ4STR6L47BTUH2U3XXGD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:J7ACLOJ4STR6L47BTUH2U3XXGD","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":"eb9d077e0cbba5304be89f8337352ea5b210293325ec9f1af69b9d3a44c750e4","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-11-22T16:27:14Z","title_canon_sha256":"85e9833c393fcf947576718d863516d10e7e6b3fefb339236f61644af4877417"},"schema_version":"1.0","source":{"id":"astro-ph/0411612","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0411612","created_at":"2026-05-18T02:40:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0411612v2","created_at":"2026-05-18T02:40:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0411612","created_at":"2026-05-18T02:40:26Z"},{"alias_kind":"pith_short_12","alias_value":"J7ACLOJ4STR6","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"J7ACLOJ4STR6L47B","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"J7ACLOJ4","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:56bbb05584579bb956b393c5052000e9de63b37aa67444e59a75fc256e74f901","target":"graph","created_at":"2026-05-18T02:40:26Z","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":"The cold, dry and stable air above the summits of the Antarctic plateau provides the best ground-based observing conditions from optical to sub-mm wavelengths to be found on the Earth. PILOT is a proposed 2 m telescope, to be built at Dome C in Antarctica, able to exploit these conditions for conducting astronomy at optical and infrared wavelengths. While PILOT is intended as a pathfinder towards the construction of future grand-design facilities, it will also be able to undertake a range of fundamental science investigations in its own right. This paper provides the performance specifications","authors_text":"A.J. Walsh, C. Blake, C.G. Tinney, C.H. Smith, D. Woods, G. Lewis, I.A. Bond, J.A. Bailey, J. Bland-Hawthorn, J. Lawrence, J.W.V. Storey, K. Glazebrook, M.C.B. Ashley, M.G. Burton, M.G. Hidas, M. Whiting, P.C.M. Yock, P. Tuthill, R. Sharp, S.D. Ryder, S. Mattila, S.N. Longmore, S.T. Maddison, T.R. Bedding, T. Wong, V. Minier, W. Walsh","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-11-22T16:27:14Z","title":"Science Programs for a 2 m-class Telescope at Dome C, Antarctica: PILOT, the Pathfinder for an International Large Optical Telescope"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0411612","kind":"arxiv","version":2},"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":"sha256:482a91801a8ff83f76629f7f27aa0dd19672ab14c78e166709403aeb15786225","target":"record","created_at":"2026-05-18T02:40:26Z","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":"eb9d077e0cbba5304be89f8337352ea5b210293325ec9f1af69b9d3a44c750e4","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-11-22T16:27:14Z","title_canon_sha256":"85e9833c393fcf947576718d863516d10e7e6b3fefb339236f61644af4877417"},"schema_version":"1.0","source":{"id":"astro-ph/0411612","kind":"arxiv","version":2}},"canonical_sha256":"4fc025b93c94e3e5f3e19d0faa6ef730e4d015c2522a234a17b0a01aeb7a33b7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4fc025b93c94e3e5f3e19d0faa6ef730e4d015c2522a234a17b0a01aeb7a33b7","first_computed_at":"2026-05-18T02:40:26.008234Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:40:26.008234Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6nzUaJIgN1bNOAgpwXq2BN1cnmlppe7pwIRlXo3QCLU4kJaLEo3rNDShKA1UsG+IH6HRuA1fqVo0VD9t+tooDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:40:26.008653Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0411612","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:482a91801a8ff83f76629f7f27aa0dd19672ab14c78e166709403aeb15786225","sha256:56bbb05584579bb956b393c5052000e9de63b37aa67444e59a75fc256e74f901"],"state_sha256":"4838cbf96bad78967e7b3d9d14a235e1b54767b3bfb2ac7aab90707d438d185d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hzeFM1Wyyd70dWz3a3IblLUvIm23aiaiswsTHC7l2TqyUgUM9XhuDbUuvjwaczEq7BY+4CT8hGP93rJWAChHAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T13:26:30.016222Z","bundle_sha256":"4199e70ceff9db072dc6a043fc36e2dfa43239481aff915658ffb52dc03130ca"}}