{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:LZ5MEBI4R2O67WCH2D4QPQLWC6","short_pith_number":"pith:LZ5MEBI4","canonical_record":{"source":{"id":"2406.12509","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-06-18T11:22:35Z","cross_cats_sorted":[],"title_canon_sha256":"e85e5a6d3bab657e6bc33155afd2e91733712926bd74f2b268efd28c58582cc6","abstract_canon_sha256":"f33497b2fcab9ed8398e1236f39bbd07fd8d7b4e770571b464c2b0a9c1620db8"},"schema_version":"1.0"},"canonical_sha256":"5e7ac2051c8e9defd847d0f907c17617b4e22973ebd0bfdf2ca2974b249b5f58","source":{"kind":"arxiv","id":"2406.12509","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.12509","created_at":"2026-07-05T08:33:47Z"},{"alias_kind":"arxiv_version","alias_value":"2406.12509v1","created_at":"2026-07-05T08:33:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.12509","created_at":"2026-07-05T08:33:47Z"},{"alias_kind":"pith_short_12","alias_value":"LZ5MEBI4R2O6","created_at":"2026-07-05T08:33:47Z"},{"alias_kind":"pith_short_16","alias_value":"LZ5MEBI4R2O67WCH","created_at":"2026-07-05T08:33:47Z"},{"alias_kind":"pith_short_8","alias_value":"LZ5MEBI4","created_at":"2026-07-05T08:33:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:LZ5MEBI4R2O67WCH2D4QPQLWC6","target":"record","payload":{"canonical_record":{"source":{"id":"2406.12509","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-06-18T11:22:35Z","cross_cats_sorted":[],"title_canon_sha256":"e85e5a6d3bab657e6bc33155afd2e91733712926bd74f2b268efd28c58582cc6","abstract_canon_sha256":"f33497b2fcab9ed8398e1236f39bbd07fd8d7b4e770571b464c2b0a9c1620db8"},"schema_version":"1.0"},"canonical_sha256":"5e7ac2051c8e9defd847d0f907c17617b4e22973ebd0bfdf2ca2974b249b5f58","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:33:47.605688Z","signature_b64":"pQaol5Vq8srgJB3ei8okUsutW6Q4JAta27WQnJKG98njeTOw/eJD1NUUuaJO5kZ7Cxo9KQtaMwBsBFDGnn10Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5e7ac2051c8e9defd847d0f907c17617b4e22973ebd0bfdf2ca2974b249b5f58","last_reissued_at":"2026-07-05T08:33:47.605232Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:33:47.605232Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.12509","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":"2026-07-05T08:33:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xk1mFIf76mlN7QJfTLkflvE8S0NR06Xb9+c2a1mDzI6fpbiUIxLxQ+ttzXbcObJEEjpVPkIfOjPsZltDEj3xAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T22:06:01.093418Z"},"content_sha256":"00d744a25e194d69aa4c75bb5b8c967607c310f62fa60c3079b7e1892cbcbe23","schema_version":"1.0","event_id":"sha256:00d744a25e194d69aa4c75bb5b8c967607c310f62fa60c3079b7e1892cbcbe23"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:LZ5MEBI4R2O67WCH2D4QPQLWC6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards an astronomical use of new-generation geodetic observations. I. From the correlator to full-polarization images","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"E. Albentosa-Ruiz, F. Jaron, I. Mart\\'i-Vidal, J. Gonz\\'alez-Garc\\'ia, M.H. Xu, R. Bachiller, T. Savolainen, V. P\\'erez-D\\'iez","submitted_at":"2024-06-18T11:22:35Z","abstract_excerpt":"Context. The current algorithms used for the calibration and analysis of very long baseline interferometry (VLBI) networks that only use linear polarizers (as is the case of the VLBI Global Observing System, VGOS) do not properly account for instrumental and source-intrinsic polarimetry, which can cause errors in geodetic and astronomical products. Aims. We aim to develop a calibration pipeline for VLBI interferometers that observe in a basis of linear polarization, as is the case of VGOS. The products from this pipeline can be used to obtain valuable full-polarization astronomical information"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.12509","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2406.12509/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T08:33:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YsAAiG+xZHrjQ4nbjc7eJyx8NBTqqIxDckdriacIpnuKhR1++XtcfhVc//+x14aB3l0TLZ38SDj0huB0tYFqDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T22:06:01.094493Z"},"content_sha256":"39f4c5f198fb8e91fe233892d7dfa88ceee21387eeb33be3ca5c39fb4874e7c0","schema_version":"1.0","event_id":"sha256:39f4c5f198fb8e91fe233892d7dfa88ceee21387eeb33be3ca5c39fb4874e7c0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LZ5MEBI4R2O67WCH2D4QPQLWC6/bundle.json","state_url":"https://pith.science/pith/LZ5MEBI4R2O67WCH2D4QPQLWC6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LZ5MEBI4R2O67WCH2D4QPQLWC6/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":"2026-08-16T22:06:01Z","links":{"resolver":"https://pith.science/pith/LZ5MEBI4R2O67WCH2D4QPQLWC6","bundle":"https://pith.science/pith/LZ5MEBI4R2O67WCH2D4QPQLWC6/bundle.json","state":"https://pith.science/pith/LZ5MEBI4R2O67WCH2D4QPQLWC6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LZ5MEBI4R2O67WCH2D4QPQLWC6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:LZ5MEBI4R2O67WCH2D4QPQLWC6","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":"f33497b2fcab9ed8398e1236f39bbd07fd8d7b4e770571b464c2b0a9c1620db8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-06-18T11:22:35Z","title_canon_sha256":"e85e5a6d3bab657e6bc33155afd2e91733712926bd74f2b268efd28c58582cc6"},"schema_version":"1.0","source":{"id":"2406.12509","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.12509","created_at":"2026-07-05T08:33:47Z"},{"alias_kind":"arxiv_version","alias_value":"2406.12509v1","created_at":"2026-07-05T08:33:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.12509","created_at":"2026-07-05T08:33:47Z"},{"alias_kind":"pith_short_12","alias_value":"LZ5MEBI4R2O6","created_at":"2026-07-05T08:33:47Z"},{"alias_kind":"pith_short_16","alias_value":"LZ5MEBI4R2O67WCH","created_at":"2026-07-05T08:33:47Z"},{"alias_kind":"pith_short_8","alias_value":"LZ5MEBI4","created_at":"2026-07-05T08:33:47Z"}],"graph_snapshots":[{"event_id":"sha256:39f4c5f198fb8e91fe233892d7dfa88ceee21387eeb33be3ca5c39fb4874e7c0","target":"graph","created_at":"2026-07-05T08:33:47Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2406.12509/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Context. The current algorithms used for the calibration and analysis of very long baseline interferometry (VLBI) networks that only use linear polarizers (as is the case of the VLBI Global Observing System, VGOS) do not properly account for instrumental and source-intrinsic polarimetry, which can cause errors in geodetic and astronomical products. Aims. We aim to develop a calibration pipeline for VLBI interferometers that observe in a basis of linear polarization, as is the case of VGOS. The products from this pipeline can be used to obtain valuable full-polarization astronomical information","authors_text":"E. Albentosa-Ruiz, F. Jaron, I. Mart\\'i-Vidal, J. Gonz\\'alez-Garc\\'ia, M.H. Xu, R. Bachiller, T. Savolainen, V. P\\'erez-D\\'iez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-06-18T11:22:35Z","title":"Towards an astronomical use of new-generation geodetic observations. I. From the correlator to full-polarization images"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.12509","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":"sha256:00d744a25e194d69aa4c75bb5b8c967607c310f62fa60c3079b7e1892cbcbe23","target":"record","created_at":"2026-07-05T08:33:47Z","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":"f33497b2fcab9ed8398e1236f39bbd07fd8d7b4e770571b464c2b0a9c1620db8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-06-18T11:22:35Z","title_canon_sha256":"e85e5a6d3bab657e6bc33155afd2e91733712926bd74f2b268efd28c58582cc6"},"schema_version":"1.0","source":{"id":"2406.12509","kind":"arxiv","version":1}},"canonical_sha256":"5e7ac2051c8e9defd847d0f907c17617b4e22973ebd0bfdf2ca2974b249b5f58","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5e7ac2051c8e9defd847d0f907c17617b4e22973ebd0bfdf2ca2974b249b5f58","first_computed_at":"2026-07-05T08:33:47.605232Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:33:47.605232Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pQaol5Vq8srgJB3ei8okUsutW6Q4JAta27WQnJKG98njeTOw/eJD1NUUuaJO5kZ7Cxo9KQtaMwBsBFDGnn10Bw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:33:47.605688Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.12509","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:00d744a25e194d69aa4c75bb5b8c967607c310f62fa60c3079b7e1892cbcbe23","sha256:39f4c5f198fb8e91fe233892d7dfa88ceee21387eeb33be3ca5c39fb4874e7c0"],"state_sha256":"62c171267273e6ce8ff1b1a6d7671303585c4c744b680295220ea382e0a765b7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hirEd4WRXgpKYiGLZ4+CQ3i3RACmLUwO2dW1AXeexi7v82/0NKz5pMwkB2mCoHR702FyTeJbHASmMQSQcCaFCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T22:06:01.099699Z","bundle_sha256":"eb40cfa53d5c8dad45c566ad819fb03ef2b19bae46bc9d52b4a9c006fe01d8e0"}}