{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:GLN4LB5JOIRNMBFZT5UR427UUD","short_pith_number":"pith:GLN4LB5J","canonical_record":{"source":{"id":"1012.4243","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-12-20T06:08:48Z","cross_cats_sorted":["astro-ph.CO","physics.geo-ph"],"title_canon_sha256":"20a739e82e8d1142a4a53992986176c6534de1fbc3db31d9e39d9d9f6f488352","abstract_canon_sha256":"48fcefa3ff6be1668dc94a8ee62eb50caa33628345a3be359aa0acefb8162702"},"schema_version":"1.0"},"canonical_sha256":"32dbc587a97222d604b99f691e6bf4a0d471be5cd09ed5e0cc8b0aa1cf4506f5","source":{"kind":"arxiv","id":"1012.4243","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.4243","created_at":"2026-05-18T04:19:21Z"},{"alias_kind":"arxiv_version","alias_value":"1012.4243v2","created_at":"2026-05-18T04:19:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.4243","created_at":"2026-05-18T04:19:21Z"},{"alias_kind":"pith_short_12","alias_value":"GLN4LB5JOIRN","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"GLN4LB5JOIRNMBFZ","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"GLN4LB5J","created_at":"2026-05-18T12:26:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:GLN4LB5JOIRNMBFZT5UR427UUD","target":"record","payload":{"canonical_record":{"source":{"id":"1012.4243","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-12-20T06:08:48Z","cross_cats_sorted":["astro-ph.CO","physics.geo-ph"],"title_canon_sha256":"20a739e82e8d1142a4a53992986176c6534de1fbc3db31d9e39d9d9f6f488352","abstract_canon_sha256":"48fcefa3ff6be1668dc94a8ee62eb50caa33628345a3be359aa0acefb8162702"},"schema_version":"1.0"},"canonical_sha256":"32dbc587a97222d604b99f691e6bf4a0d471be5cd09ed5e0cc8b0aa1cf4506f5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:19:21.900149Z","signature_b64":"3oH6rOzjkk9kOOyHncAU/C/gfTLvbEbS5HrIe5PUJDirXukorH7Hxz6eehvWWGw2gxwCs2iQpfpl1HMPAQFpAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"32dbc587a97222d604b99f691e6bf4a0d471be5cd09ed5e0cc8b0aa1cf4506f5","last_reissued_at":"2026-05-18T04:19:21.899620Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:19:21.899620Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1012.4243","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":"2026-05-18T04:19:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NHPlmAQHfTBINBTBq1x2GqF3Adc8dopqIdnnmNIth0AIDIAucv4fkSuXKAQtRAI3Yl78d7jiFauTcFJd2fgvAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:05:23.897134Z"},"content_sha256":"03053d69f351f1241ee49d7dda6d0a818832dbce5cb8db41d753ccda7ab74b99","schema_version":"1.0","event_id":"sha256:03053d69f351f1241ee49d7dda6d0a818832dbce5cb8db41d753ccda7ab74b99"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:GLN4LB5JOIRNMBFZT5UR427UUD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"First geodetic observations using new VLBI stations ASKAP-29 and WARK12M","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","physics.geo-ph"],"primary_cat":"astro-ph.IM","authors_text":"Bruce Stansby, Chris Phillips, Cormac Reynolds, David Collett, Hayley Bignall, John Reynolds, Leonid Petrov, Neville Palmer, Randall Wayth, Sergei Gulyaev, Shaun W Amy, Steven Tingay, Tasso Tzioumis, Tim Natusch","submitted_at":"2010-12-20T06:08:48Z","abstract_excerpt":"We report the results of a successful 7 hour 1.4 GHz VLBI experiment using two new stations, ASKAP-29 located in Western Australia and WARK12M located on the North Island of New Zealand. This was the first geodetic VLBI observing session with the participation of these new stations. We have determined the positions of ASKAP-29 and WARK12M. Random errors on position estimates are 150-200 mm for the vertical component and 40-50 mm for the horizontal component. Systematic errors caused by the unmodeled ionosphere path delay may reach 1.3 m for the vertical component."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.4243","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":"2026-05-18T04:19:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JBc6fEcZm0zAz6J2GjR+RmpidAuieKWP/K1YqncIC+IwrgPfjLyUxFYTaQejvAtwvx5KgubUW0qWQkVWh8vyCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:05:23.897865Z"},"content_sha256":"0bd9dd729c4713c6c0212132397574ec2576807d14036bcd1c4a64fc509ee728","schema_version":"1.0","event_id":"sha256:0bd9dd729c4713c6c0212132397574ec2576807d14036bcd1c4a64fc509ee728"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GLN4LB5JOIRNMBFZT5UR427UUD/bundle.json","state_url":"https://pith.science/pith/GLN4LB5JOIRNMBFZT5UR427UUD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GLN4LB5JOIRNMBFZT5UR427UUD/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":"2026-05-31T16:05:23Z","links":{"resolver":"https://pith.science/pith/GLN4LB5JOIRNMBFZT5UR427UUD","bundle":"https://pith.science/pith/GLN4LB5JOIRNMBFZT5UR427UUD/bundle.json","state":"https://pith.science/pith/GLN4LB5JOIRNMBFZT5UR427UUD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GLN4LB5JOIRNMBFZT5UR427UUD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:GLN4LB5JOIRNMBFZT5UR427UUD","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":"48fcefa3ff6be1668dc94a8ee62eb50caa33628345a3be359aa0acefb8162702","cross_cats_sorted":["astro-ph.CO","physics.geo-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-12-20T06:08:48Z","title_canon_sha256":"20a739e82e8d1142a4a53992986176c6534de1fbc3db31d9e39d9d9f6f488352"},"schema_version":"1.0","source":{"id":"1012.4243","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.4243","created_at":"2026-05-18T04:19:21Z"},{"alias_kind":"arxiv_version","alias_value":"1012.4243v2","created_at":"2026-05-18T04:19:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.4243","created_at":"2026-05-18T04:19:21Z"},{"alias_kind":"pith_short_12","alias_value":"GLN4LB5JOIRN","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"GLN4LB5JOIRNMBFZ","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"GLN4LB5J","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:0bd9dd729c4713c6c0212132397574ec2576807d14036bcd1c4a64fc509ee728","target":"graph","created_at":"2026-05-18T04:19:21Z","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 report the results of a successful 7 hour 1.4 GHz VLBI experiment using two new stations, ASKAP-29 located in Western Australia and WARK12M located on the North Island of New Zealand. This was the first geodetic VLBI observing session with the participation of these new stations. We have determined the positions of ASKAP-29 and WARK12M. Random errors on position estimates are 150-200 mm for the vertical component and 40-50 mm for the horizontal component. Systematic errors caused by the unmodeled ionosphere path delay may reach 1.3 m for the vertical component.","authors_text":"Bruce Stansby, Chris Phillips, Cormac Reynolds, David Collett, Hayley Bignall, John Reynolds, Leonid Petrov, Neville Palmer, Randall Wayth, Sergei Gulyaev, Shaun W Amy, Steven Tingay, Tasso Tzioumis, Tim Natusch","cross_cats":["astro-ph.CO","physics.geo-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-12-20T06:08:48Z","title":"First geodetic observations using new VLBI stations ASKAP-29 and WARK12M"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.4243","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":"sha256:03053d69f351f1241ee49d7dda6d0a818832dbce5cb8db41d753ccda7ab74b99","target":"record","created_at":"2026-05-18T04:19:21Z","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":"48fcefa3ff6be1668dc94a8ee62eb50caa33628345a3be359aa0acefb8162702","cross_cats_sorted":["astro-ph.CO","physics.geo-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-12-20T06:08:48Z","title_canon_sha256":"20a739e82e8d1142a4a53992986176c6534de1fbc3db31d9e39d9d9f6f488352"},"schema_version":"1.0","source":{"id":"1012.4243","kind":"arxiv","version":2}},"canonical_sha256":"32dbc587a97222d604b99f691e6bf4a0d471be5cd09ed5e0cc8b0aa1cf4506f5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"32dbc587a97222d604b99f691e6bf4a0d471be5cd09ed5e0cc8b0aa1cf4506f5","first_computed_at":"2026-05-18T04:19:21.899620Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:19:21.899620Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3oH6rOzjkk9kOOyHncAU/C/gfTLvbEbS5HrIe5PUJDirXukorH7Hxz6eehvWWGw2gxwCs2iQpfpl1HMPAQFpAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:19:21.900149Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.4243","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:03053d69f351f1241ee49d7dda6d0a818832dbce5cb8db41d753ccda7ab74b99","sha256:0bd9dd729c4713c6c0212132397574ec2576807d14036bcd1c4a64fc509ee728"],"state_sha256":"af345806a6926b64596d66d684d54148460e6b6491983e08813015cbc9dc4906"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hOsiJXtSQJUCZwl5Pv5YcxZQeCOeWi/Ak1Gf84Uq/h6rcIYUMe2QuODc/apjLp0HJ3p9wbCkvkrZTGJEAcGPCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T16:05:23.901108Z","bundle_sha256":"9731c695a552391e144490f05c4d3878fb8659079dff553778c4091951a9d2ee"}}