{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:JGSKBESERCVUOCM5SWMNJL2SQQ","short_pith_number":"pith:JGSKBESE","canonical_record":{"source":{"id":"1106.3667","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-06-18T16:43:14Z","cross_cats_sorted":[],"title_canon_sha256":"104e30af5f0c01be51d35366ca9808cd17c7674c6fbc604e9fc1fe6e6a9ea513","abstract_canon_sha256":"628dc516ff163b23fc2b20fb932c9598631ea50d0061f34f31a167c8098dfe03"},"schema_version":"1.0"},"canonical_sha256":"49a4a0924488ab47099d9598d4af52841a5e7c831f6b44a3a928993e7be4450e","source":{"kind":"arxiv","id":"1106.3667","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.3667","created_at":"2026-05-18T04:19:42Z"},{"alias_kind":"arxiv_version","alias_value":"1106.3667v1","created_at":"2026-05-18T04:19:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.3667","created_at":"2026-05-18T04:19:42Z"},{"alias_kind":"pith_short_12","alias_value":"JGSKBESERCVU","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JGSKBESERCVUOCM5","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JGSKBESE","created_at":"2026-05-18T12:26:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:JGSKBESERCVUOCM5SWMNJL2SQQ","target":"record","payload":{"canonical_record":{"source":{"id":"1106.3667","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-06-18T16:43:14Z","cross_cats_sorted":[],"title_canon_sha256":"104e30af5f0c01be51d35366ca9808cd17c7674c6fbc604e9fc1fe6e6a9ea513","abstract_canon_sha256":"628dc516ff163b23fc2b20fb932c9598631ea50d0061f34f31a167c8098dfe03"},"schema_version":"1.0"},"canonical_sha256":"49a4a0924488ab47099d9598d4af52841a5e7c831f6b44a3a928993e7be4450e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:19:42.477208Z","signature_b64":"jcZV62h2lwgPzhQSRMDIgSXwpseI2FqM6gtm3xN/rk0kByCLrekAEyLIkPWGJcwPVKbCbgkL970qEFkLwTuDAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49a4a0924488ab47099d9598d4af52841a5e7c831f6b44a3a928993e7be4450e","last_reissued_at":"2026-05-18T04:19:42.476744Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:19:42.476744Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1106.3667","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":"2026-05-18T04:19:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"exxiJM1D8iG/9NW+rSpZ5R+fxviFSGVq6BX1g8ugSBlG6lf42GLozRg4Ejnp0Eiul3szcMn7kP4eZuxIlvL+Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T09:00:38.942349Z"},"content_sha256":"f32a7346da07c5a69eb30bd9a580461c87fb5bdee8a028193b98210f91640035","schema_version":"1.0","event_id":"sha256:f32a7346da07c5a69eb30bd9a580461c87fb5bdee8a028193b98210f91640035"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:JGSKBESERCVUOCM5SWMNJL2SQQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"WMAP extragalactic point sources as potential Space VLBI calibrators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"K. Gereb, S. Frey","submitted_at":"2011-06-18T16:43:14Z","abstract_excerpt":"The point source list of the Wilkinson Microwave Anisotropy Probe (WMAP) is a uniform, all-sky catalogue of bright sources with flux density measurements at high (up to 94 GHz) radio frequencies. We investigated the five-year WMAP list to compile a new catalogue of bright and compact extragalactic radio sources to be potentially studied with Very Long Baseline Interferometry at millimeter wavelengths (mm-VLBI) and Space VLBI (SVLBI). After comparing the WMAP data with the existing mm-VLBI catalogues, we sorted out the yet unexplored sources. Using the 41, 61 and 94 GHz WMAP flux densities, we "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.3667","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":"2026-05-18T04:19:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H/+VFEGnQLsfbLOR94p00OXLqVLCk/BV4ZLvFupbqgNvyG7RU0ZBTxcO/KwNnX27dOqdnoHZ+ePN0Rgc1NZ5AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T09:00:38.943014Z"},"content_sha256":"e69791940c7a8eaa5f772408c185f2c085324a973b21690d8617b575f2dd423d","schema_version":"1.0","event_id":"sha256:e69791940c7a8eaa5f772408c185f2c085324a973b21690d8617b575f2dd423d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JGSKBESERCVUOCM5SWMNJL2SQQ/bundle.json","state_url":"https://pith.science/pith/JGSKBESERCVUOCM5SWMNJL2SQQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JGSKBESERCVUOCM5SWMNJL2SQQ/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":"2026-05-19T09:00:38Z","links":{"resolver":"https://pith.science/pith/JGSKBESERCVUOCM5SWMNJL2SQQ","bundle":"https://pith.science/pith/JGSKBESERCVUOCM5SWMNJL2SQQ/bundle.json","state":"https://pith.science/pith/JGSKBESERCVUOCM5SWMNJL2SQQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JGSKBESERCVUOCM5SWMNJL2SQQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:JGSKBESERCVUOCM5SWMNJL2SQQ","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":"628dc516ff163b23fc2b20fb932c9598631ea50d0061f34f31a167c8098dfe03","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-06-18T16:43:14Z","title_canon_sha256":"104e30af5f0c01be51d35366ca9808cd17c7674c6fbc604e9fc1fe6e6a9ea513"},"schema_version":"1.0","source":{"id":"1106.3667","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.3667","created_at":"2026-05-18T04:19:42Z"},{"alias_kind":"arxiv_version","alias_value":"1106.3667v1","created_at":"2026-05-18T04:19:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.3667","created_at":"2026-05-18T04:19:42Z"},{"alias_kind":"pith_short_12","alias_value":"JGSKBESERCVU","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JGSKBESERCVUOCM5","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JGSKBESE","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:e69791940c7a8eaa5f772408c185f2c085324a973b21690d8617b575f2dd423d","target":"graph","created_at":"2026-05-18T04:19:42Z","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 point source list of the Wilkinson Microwave Anisotropy Probe (WMAP) is a uniform, all-sky catalogue of bright sources with flux density measurements at high (up to 94 GHz) radio frequencies. We investigated the five-year WMAP list to compile a new catalogue of bright and compact extragalactic radio sources to be potentially studied with Very Long Baseline Interferometry at millimeter wavelengths (mm-VLBI) and Space VLBI (SVLBI). After comparing the WMAP data with the existing mm-VLBI catalogues, we sorted out the yet unexplored sources. Using the 41, 61 and 94 GHz WMAP flux densities, we ","authors_text":"K. Gereb, S. Frey","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-06-18T16:43:14Z","title":"WMAP extragalactic point sources as potential Space VLBI calibrators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.3667","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:f32a7346da07c5a69eb30bd9a580461c87fb5bdee8a028193b98210f91640035","target":"record","created_at":"2026-05-18T04:19:42Z","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":"628dc516ff163b23fc2b20fb932c9598631ea50d0061f34f31a167c8098dfe03","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-06-18T16:43:14Z","title_canon_sha256":"104e30af5f0c01be51d35366ca9808cd17c7674c6fbc604e9fc1fe6e6a9ea513"},"schema_version":"1.0","source":{"id":"1106.3667","kind":"arxiv","version":1}},"canonical_sha256":"49a4a0924488ab47099d9598d4af52841a5e7c831f6b44a3a928993e7be4450e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49a4a0924488ab47099d9598d4af52841a5e7c831f6b44a3a928993e7be4450e","first_computed_at":"2026-05-18T04:19:42.476744Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:19:42.476744Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jcZV62h2lwgPzhQSRMDIgSXwpseI2FqM6gtm3xN/rk0kByCLrekAEyLIkPWGJcwPVKbCbgkL970qEFkLwTuDAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:19:42.477208Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.3667","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f32a7346da07c5a69eb30bd9a580461c87fb5bdee8a028193b98210f91640035","sha256:e69791940c7a8eaa5f772408c185f2c085324a973b21690d8617b575f2dd423d"],"state_sha256":"19113dfbc76a180e90a46cba8c6a4118bffc09cd19867b1ed60f0ec954b40506"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vuSUKFDr7kQv3fkZ4Q9IN7Z2j4E3rLnf3H2gjD0H2OIO6kLwtX11uNXjqXDWd8EycaVbBSSA5wL1GTH57PVFBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T09:00:38.946603Z","bundle_sha256":"d66a4f8bafb8119d0a0393aac326cab355198372e4b9be1f1a132401ad369d94"}}