{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:OSPBIRHRA6TVT427Y5TUJ2BCSH","short_pith_number":"pith:OSPBIRHR","canonical_record":{"source":{"id":"1407.5237","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-07-20T02:37:55Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"33a81e6eccef19c94f63facda590c9981f3f0e523520bcb7213412b2314f143a","abstract_canon_sha256":"7facf5e8dde7f60390f8716b24241aff823052751dd754f87ae651061a82e825"},"schema_version":"1.0"},"canonical_sha256":"749e1444f107a759f35fc76744e82291c0dd3b8273a2d65879a23976f3eb6e60","source":{"kind":"arxiv","id":"1407.5237","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.5237","created_at":"2026-05-18T01:42:33Z"},{"alias_kind":"arxiv_version","alias_value":"1407.5237v2","created_at":"2026-05-18T01:42:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.5237","created_at":"2026-05-18T01:42:33Z"},{"alias_kind":"pith_short_12","alias_value":"OSPBIRHRA6TV","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"OSPBIRHRA6TVT427","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"OSPBIRHR","created_at":"2026-05-18T12:28:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:OSPBIRHRA6TVT427Y5TUJ2BCSH","target":"record","payload":{"canonical_record":{"source":{"id":"1407.5237","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-07-20T02:37:55Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"33a81e6eccef19c94f63facda590c9981f3f0e523520bcb7213412b2314f143a","abstract_canon_sha256":"7facf5e8dde7f60390f8716b24241aff823052751dd754f87ae651061a82e825"},"schema_version":"1.0"},"canonical_sha256":"749e1444f107a759f35fc76744e82291c0dd3b8273a2d65879a23976f3eb6e60","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:33.766032Z","signature_b64":"lvh34XazUolgRm67PWONzfXkknz4sNV7Q3H7ah1bIOYSWIA9jy2k/cH8SBrrJw+4mSFj/K5LIEce6ZRa11q1DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"749e1444f107a759f35fc76744e82291c0dd3b8273a2d65879a23976f3eb6e60","last_reissued_at":"2026-05-18T01:42:33.765531Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:33.765531Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.5237","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":"2026-05-18T01:42:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+FthXjPLPncjAagACFqw44t6SX6vQ+zHqOGJc+A0buM0ejuqnvNQ62BH0hcb4Cmre1p5IUsJ3IiLhKxO61XOBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T15:28:38.486646Z"},"content_sha256":"39a6d76d5d472267e73f058a4168389974b20c0d24582727bdcf553a3827c537","schema_version":"1.0","event_id":"sha256:39a6d76d5d472267e73f058a4168389974b20c0d24582727bdcf553a3827c537"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:OSPBIRHRA6TVT427Y5TUJ2BCSH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The SAMI Galaxy Survey: Cubism and covariance, putting round pegs into square holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.IM","authors_text":"A. E. Bauer, A. L. Schaefer, A. M. Hopkins, A. M. Medling, A.R. Lopez-Sanchez, A. Thomas, A. W. Green, C. Foster, C. J. Walcher, C. Tonini, D. Obreschkow, E. J. Hampton, E. N. Taylor, G. F. Lewis, G. N. Cecil, H. Jones, I. S. Konstantopoulos, I.-T. Ho, J. Bland-Hawthorn, J. J. Bryant, J. Liske, J. Mould, J. Nielsen, J. S. Lawrence, J. T. Allen, J. V. Bloom, L. A. Barnes, L. Cortese, L. M. R. Fogarty, M. Birchall, M. B. Pracy, M. Colless, M. Goodwin, M. J. Drinkwater, M. L. P. Gunawardhana, M. S. Owers, N. P. F. Lorente, N. Scott, Q. Parker, R. McElroy, R. Sharp, S. Brough, S. Driver, S. K. Leslie, S. Mahajan, S. M. Croom, S. M Sweet, S. N. Richards, W. J. Couch","submitted_at":"2014-07-20T02:37:55Z","abstract_excerpt":"We present a methodology for the regularisation and combination of sparse sampled and irregularly gridded observations from fibre-optic multi-object integral-field spectroscopy. The approach minimises interpolation and retains image resolution on combining sub-pixel dithered data. We discuss the methodology in the context of the Sydney-AAO Multi-object Integral-field spectrograph (SAMI) Galaxy Survey underway at the Anglo-Australian Telescope. The SAMI instrument uses 13 fibre bundles to perform high-multiplex integral-field spectroscopy across a one degree diameter field of view. The SAMI Gal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.5237","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":"2026-05-18T01:42:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZS6wgFRPnOatSv82inwbJuCs5rNwf6c9bU94qbbBdEhkW6vGEstxL0x0TxaUxnoL/c4PmiM/SW8EcTKNLKy9CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T15:28:38.487357Z"},"content_sha256":"e1b382930fb1f4925dbb0d62f7b67bff1666f651f82f3d9d92124516c4626e2e","schema_version":"1.0","event_id":"sha256:e1b382930fb1f4925dbb0d62f7b67bff1666f651f82f3d9d92124516c4626e2e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OSPBIRHRA6TVT427Y5TUJ2BCSH/bundle.json","state_url":"https://pith.science/pith/OSPBIRHRA6TVT427Y5TUJ2BCSH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OSPBIRHRA6TVT427Y5TUJ2BCSH/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":"2026-05-28T15:28:38Z","links":{"resolver":"https://pith.science/pith/OSPBIRHRA6TVT427Y5TUJ2BCSH","bundle":"https://pith.science/pith/OSPBIRHRA6TVT427Y5TUJ2BCSH/bundle.json","state":"https://pith.science/pith/OSPBIRHRA6TVT427Y5TUJ2BCSH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OSPBIRHRA6TVT427Y5TUJ2BCSH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:OSPBIRHRA6TVT427Y5TUJ2BCSH","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":"7facf5e8dde7f60390f8716b24241aff823052751dd754f87ae651061a82e825","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-07-20T02:37:55Z","title_canon_sha256":"33a81e6eccef19c94f63facda590c9981f3f0e523520bcb7213412b2314f143a"},"schema_version":"1.0","source":{"id":"1407.5237","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.5237","created_at":"2026-05-18T01:42:33Z"},{"alias_kind":"arxiv_version","alias_value":"1407.5237v2","created_at":"2026-05-18T01:42:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.5237","created_at":"2026-05-18T01:42:33Z"},{"alias_kind":"pith_short_12","alias_value":"OSPBIRHRA6TV","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"OSPBIRHRA6TVT427","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"OSPBIRHR","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:e1b382930fb1f4925dbb0d62f7b67bff1666f651f82f3d9d92124516c4626e2e","target":"graph","created_at":"2026-05-18T01:42:33Z","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 a methodology for the regularisation and combination of sparse sampled and irregularly gridded observations from fibre-optic multi-object integral-field spectroscopy. The approach minimises interpolation and retains image resolution on combining sub-pixel dithered data. We discuss the methodology in the context of the Sydney-AAO Multi-object Integral-field spectrograph (SAMI) Galaxy Survey underway at the Anglo-Australian Telescope. The SAMI instrument uses 13 fibre bundles to perform high-multiplex integral-field spectroscopy across a one degree diameter field of view. The SAMI Gal","authors_text":"A. E. Bauer, A. L. Schaefer, A. M. Hopkins, A. M. Medling, A.R. Lopez-Sanchez, A. Thomas, A. W. Green, C. Foster, C. J. Walcher, C. Tonini, D. Obreschkow, E. J. Hampton, E. N. Taylor, G. F. Lewis, G. N. Cecil, H. Jones, I. S. Konstantopoulos, I.-T. Ho, J. Bland-Hawthorn, J. J. Bryant, J. Liske, J. Mould, J. Nielsen, J. S. Lawrence, J. T. Allen, J. V. Bloom, L. A. Barnes, L. Cortese, L. M. R. Fogarty, M. Birchall, M. B. Pracy, M. Colless, M. Goodwin, M. J. Drinkwater, M. L. P. Gunawardhana, M. S. Owers, N. P. F. Lorente, N. Scott, Q. Parker, R. McElroy, R. Sharp, S. Brough, S. Driver, S. K. Leslie, S. Mahajan, S. M. Croom, S. M Sweet, S. N. Richards, W. J. Couch","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-07-20T02:37:55Z","title":"The SAMI Galaxy Survey: Cubism and covariance, putting round pegs into square holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.5237","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":"sha256:39a6d76d5d472267e73f058a4168389974b20c0d24582727bdcf553a3827c537","target":"record","created_at":"2026-05-18T01:42:33Z","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":"7facf5e8dde7f60390f8716b24241aff823052751dd754f87ae651061a82e825","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-07-20T02:37:55Z","title_canon_sha256":"33a81e6eccef19c94f63facda590c9981f3f0e523520bcb7213412b2314f143a"},"schema_version":"1.0","source":{"id":"1407.5237","kind":"arxiv","version":2}},"canonical_sha256":"749e1444f107a759f35fc76744e82291c0dd3b8273a2d65879a23976f3eb6e60","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"749e1444f107a759f35fc76744e82291c0dd3b8273a2d65879a23976f3eb6e60","first_computed_at":"2026-05-18T01:42:33.765531Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:33.765531Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lvh34XazUolgRm67PWONzfXkknz4sNV7Q3H7ah1bIOYSWIA9jy2k/cH8SBrrJw+4mSFj/K5LIEce6ZRa11q1DA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:33.766032Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.5237","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:39a6d76d5d472267e73f058a4168389974b20c0d24582727bdcf553a3827c537","sha256:e1b382930fb1f4925dbb0d62f7b67bff1666f651f82f3d9d92124516c4626e2e"],"state_sha256":"154914b74337831db5cc6a4c786ece700e15ad3982312803627c60c78781e002"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"591o1dQCYwevaj3Am1kVGsfImzyJwDbuT0DRW8s+CQ+ebNmUadVQDnf5zgzW7seUr1Kv4iSKXuQZjUhkI9uCBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T15:28:38.490239Z","bundle_sha256":"c5e98bbef33d401d19d0bbfe94b0503e9eb1c6437c85d62d6cc28b154aa8c120"}}