{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:4CWWCZB7GZ5QC6XKQ4SIDLG5AS","short_pith_number":"pith:4CWWCZB7","canonical_record":{"source":{"id":"1012.2663","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-13T09:10:09Z","cross_cats_sorted":["astro-ph.HE","astro-ph.IM"],"title_canon_sha256":"6bc2a96b88c85989772618a3fe1300c01c50e7996561e2cb56550974879e8510","abstract_canon_sha256":"eea3fd37521464c2aabcf0d4e3ec19b685fd19ce3c096ea901d4f33a2b93c054"},"schema_version":"1.0"},"canonical_sha256":"e0ad61643f367b017aea872481acdd0480e39111ff7d301dbf3de816bbdbe4ed","source":{"kind":"arxiv","id":"1012.2663","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.2663","created_at":"2026-05-18T04:33:28Z"},{"alias_kind":"arxiv_version","alias_value":"1012.2663v1","created_at":"2026-05-18T04:33:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.2663","created_at":"2026-05-18T04:33:28Z"},{"alias_kind":"pith_short_12","alias_value":"4CWWCZB7GZ5Q","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"4CWWCZB7GZ5QC6XK","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"4CWWCZB7","created_at":"2026-05-18T12:26:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:4CWWCZB7GZ5QC6XKQ4SIDLG5AS","target":"record","payload":{"canonical_record":{"source":{"id":"1012.2663","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-13T09:10:09Z","cross_cats_sorted":["astro-ph.HE","astro-ph.IM"],"title_canon_sha256":"6bc2a96b88c85989772618a3fe1300c01c50e7996561e2cb56550974879e8510","abstract_canon_sha256":"eea3fd37521464c2aabcf0d4e3ec19b685fd19ce3c096ea901d4f33a2b93c054"},"schema_version":"1.0"},"canonical_sha256":"e0ad61643f367b017aea872481acdd0480e39111ff7d301dbf3de816bbdbe4ed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:33:28.052471Z","signature_b64":"3HvXbEKlHvcDAix6vK+u5J08joBFMRconaADiJmLrIuSEeDEeauZ7CNvUUnT2ZOu/nHYaA8PHZrHXm8VCSK+Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e0ad61643f367b017aea872481acdd0480e39111ff7d301dbf3de816bbdbe4ed","last_reissued_at":"2026-05-18T04:33:28.052010Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:33:28.052010Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1012.2663","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":"2026-05-18T04:33:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zuIEl0iW2nN94/3gb+gV5UvQ4R/4jRSrwR8fYJ3/B6jiegTwhN0CVqQagxtViu8KEtPj88SUZEIqSwaPMEZiBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:47:25.221954Z"},"content_sha256":"c36143e277854ff998a91821073a7617fdc3681b24745f94617da1e22f2ac1a5","schema_version":"1.0","event_id":"sha256:c36143e277854ff998a91821073a7617fdc3681b24745f94617da1e22f2ac1a5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:4CWWCZB7GZ5QC6XKQ4SIDLG5AS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The first scientific experiment using Global e-VLBI observations: a multiwavelength campaign on the gamma-ray Narrow-Line Seyfert 1 PMN J0948+0022","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","astro-ph.IM"],"primary_cat":"astro-ph.CO","authors_text":"A. Doi, A. K. Tzioumis, A. Szomoru, Bologna), C. Phillips, F. Colomer, H. Bignall, H. J. van Langevelde, H. Nagai, J. Blanchard, K. Gabanyi, L. Foschini, Marcello Giroletti (INAF/IRA, M. Kadler, M. Kino, M. Sekido, X. Hong, Z. Paragi","submitted_at":"2010-12-13T09:10:09Z","abstract_excerpt":"The detection of gamma-ray emission by Fermi-LAT from the radio loud Narrow Line Seyfert 1 PMN J0948+0022 (Abdo et al. 2009, ApJ 699, 976) triggered a multi-wavelength campaign between March and July 2009. Given its high compactness (Doi et al. 2006, PASJ 58, 829), inverted spectrum, and 0deg declination, the source was an ideal target to observe at 22 GHz with a Global VLBI array extending from Europe to East Asia and Australia. In order to deliver prompt results to be analysed in combination with the other instruments participating in the campaign, the observations were carried out with real"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.2663","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":"2026-05-18T04:33:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gyEpwAytHbl8Xfm479SwNCt7aCGwTB00E4rKNHHoyuLiiscIfY+lq6OConZo/B3NMghjIfY3MQYz2JwVmcTDAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:47:25.222303Z"},"content_sha256":"7d34d58c33d744829bd3d2288d946ec2ba014705514d550ff942916a8bb2b282","schema_version":"1.0","event_id":"sha256:7d34d58c33d744829bd3d2288d946ec2ba014705514d550ff942916a8bb2b282"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4CWWCZB7GZ5QC6XKQ4SIDLG5AS/bundle.json","state_url":"https://pith.science/pith/4CWWCZB7GZ5QC6XKQ4SIDLG5AS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4CWWCZB7GZ5QC6XKQ4SIDLG5AS/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":"2026-06-01T13:47:25Z","links":{"resolver":"https://pith.science/pith/4CWWCZB7GZ5QC6XKQ4SIDLG5AS","bundle":"https://pith.science/pith/4CWWCZB7GZ5QC6XKQ4SIDLG5AS/bundle.json","state":"https://pith.science/pith/4CWWCZB7GZ5QC6XKQ4SIDLG5AS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4CWWCZB7GZ5QC6XKQ4SIDLG5AS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:4CWWCZB7GZ5QC6XKQ4SIDLG5AS","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":"eea3fd37521464c2aabcf0d4e3ec19b685fd19ce3c096ea901d4f33a2b93c054","cross_cats_sorted":["astro-ph.HE","astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-13T09:10:09Z","title_canon_sha256":"6bc2a96b88c85989772618a3fe1300c01c50e7996561e2cb56550974879e8510"},"schema_version":"1.0","source":{"id":"1012.2663","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.2663","created_at":"2026-05-18T04:33:28Z"},{"alias_kind":"arxiv_version","alias_value":"1012.2663v1","created_at":"2026-05-18T04:33:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.2663","created_at":"2026-05-18T04:33:28Z"},{"alias_kind":"pith_short_12","alias_value":"4CWWCZB7GZ5Q","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"4CWWCZB7GZ5QC6XK","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"4CWWCZB7","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:7d34d58c33d744829bd3d2288d946ec2ba014705514d550ff942916a8bb2b282","target":"graph","created_at":"2026-05-18T04:33:28Z","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 detection of gamma-ray emission by Fermi-LAT from the radio loud Narrow Line Seyfert 1 PMN J0948+0022 (Abdo et al. 2009, ApJ 699, 976) triggered a multi-wavelength campaign between March and July 2009. Given its high compactness (Doi et al. 2006, PASJ 58, 829), inverted spectrum, and 0deg declination, the source was an ideal target to observe at 22 GHz with a Global VLBI array extending from Europe to East Asia and Australia. In order to deliver prompt results to be analysed in combination with the other instruments participating in the campaign, the observations were carried out with real","authors_text":"A. Doi, A. K. Tzioumis, A. Szomoru, Bologna), C. Phillips, F. Colomer, H. Bignall, H. J. van Langevelde, H. Nagai, J. Blanchard, K. Gabanyi, L. Foschini, Marcello Giroletti (INAF/IRA, M. Kadler, M. Kino, M. Sekido, X. Hong, Z. Paragi","cross_cats":["astro-ph.HE","astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-13T09:10:09Z","title":"The first scientific experiment using Global e-VLBI observations: a multiwavelength campaign on the gamma-ray Narrow-Line Seyfert 1 PMN J0948+0022"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.2663","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:c36143e277854ff998a91821073a7617fdc3681b24745f94617da1e22f2ac1a5","target":"record","created_at":"2026-05-18T04:33:28Z","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":"eea3fd37521464c2aabcf0d4e3ec19b685fd19ce3c096ea901d4f33a2b93c054","cross_cats_sorted":["astro-ph.HE","astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-13T09:10:09Z","title_canon_sha256":"6bc2a96b88c85989772618a3fe1300c01c50e7996561e2cb56550974879e8510"},"schema_version":"1.0","source":{"id":"1012.2663","kind":"arxiv","version":1}},"canonical_sha256":"e0ad61643f367b017aea872481acdd0480e39111ff7d301dbf3de816bbdbe4ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e0ad61643f367b017aea872481acdd0480e39111ff7d301dbf3de816bbdbe4ed","first_computed_at":"2026-05-18T04:33:28.052010Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:33:28.052010Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3HvXbEKlHvcDAix6vK+u5J08joBFMRconaADiJmLrIuSEeDEeauZ7CNvUUnT2ZOu/nHYaA8PHZrHXm8VCSK+Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:33:28.052471Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.2663","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c36143e277854ff998a91821073a7617fdc3681b24745f94617da1e22f2ac1a5","sha256:7d34d58c33d744829bd3d2288d946ec2ba014705514d550ff942916a8bb2b282"],"state_sha256":"d41ccea09ed227449a084dbd49d80c101600b8fc7f6dec2ab1967b20c58efe36"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a/9FPvWNXc4h31olltWQWb8IDsgninIc8FRw3aa/9dD67iO1rIMmnOesSRqsCTx4raW7CCNM67pqv+OpLMuiAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T13:47:25.224224Z","bundle_sha256":"4df29a480200f43d8f627d058545bb62f353d2d1576da6f9451998c33794a1e9"}}