{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:CNEMXXQY562NOTENZTVMUVIM74","short_pith_number":"pith:CNEMXXQY","canonical_record":{"source":{"id":"0912.1056","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-12-05T22:05:12Z","cross_cats_sorted":[],"title_canon_sha256":"b1d6519345813fcad2b34a6f0ff4ab570cb26c9ef3cd4df4b152faa91f9bfcac","abstract_canon_sha256":"4def06a5ca5f6645de2e606075b6f9feb6ab65cee0e203c50a30de4a32524fd2"},"schema_version":"1.0"},"canonical_sha256":"1348cbde18efb4d74c8dcceaca550cff0d6c28ee6595a658db99b78448d6861b","source":{"kind":"arxiv","id":"0912.1056","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.1056","created_at":"2026-05-18T02:33:57Z"},{"alias_kind":"arxiv_version","alias_value":"0912.1056v2","created_at":"2026-05-18T02:33:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.1056","created_at":"2026-05-18T02:33:57Z"},{"alias_kind":"pith_short_12","alias_value":"CNEMXXQY562N","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"CNEMXXQY562NOTEN","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"CNEMXXQY","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:CNEMXXQY562NOTENZTVMUVIM74","target":"record","payload":{"canonical_record":{"source":{"id":"0912.1056","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-12-05T22:05:12Z","cross_cats_sorted":[],"title_canon_sha256":"b1d6519345813fcad2b34a6f0ff4ab570cb26c9ef3cd4df4b152faa91f9bfcac","abstract_canon_sha256":"4def06a5ca5f6645de2e606075b6f9feb6ab65cee0e203c50a30de4a32524fd2"},"schema_version":"1.0"},"canonical_sha256":"1348cbde18efb4d74c8dcceaca550cff0d6c28ee6595a658db99b78448d6861b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:33:57.452265Z","signature_b64":"+h6rCNKKAtlVvm0SsJWDYr8+lbDM6xsxbqPQ2Nehd6f1pz/HQERzgJuD65Egq3aSbL8PKfZlufqs9QnWc7K7Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1348cbde18efb4d74c8dcceaca550cff0d6c28ee6595a658db99b78448d6861b","last_reissued_at":"2026-05-18T02:33:57.451734Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:33:57.451734Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0912.1056","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":"2026-05-18T02:33:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QarW87A9sK3OXjBg3HoqQTJy60tqxIJA4SAB1bUTYrp42mU0jXiaAMDlYPBfgXR2hY/ZfjF4UPnuDHU8f3eSDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T02:33:57.639052Z"},"content_sha256":"78601bf5089d359f7af377fc6669afc931504fe556fee062785a853233e3d3d6","schema_version":"1.0","event_id":"sha256:78601bf5089d359f7af377fc6669afc931504fe556fee062785a853233e3d3d6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:CNEMXXQY562NOTENZTVMUVIM74","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"VISTA Variables in the Via Lactea (VVV): The public ESO near-IR variability survey of the Milky Way","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. C. Schr\\\"oder, A. Jord\\'an, A. Roman-Lopes, A. V. Ahumada, B. Barbuy, B. Goldman, C. Fari\\~na, C. Feinstein, C. Tappert, D. Geisler, D. Merlo, D. Minniti, E. Bica, E. Fern\\'andez Laj\\'us, E. Kerins, G. Carraro, G. Gunthardt, G. Pignata, I. D\\'ek\\'any, I. F. Mirabel, I. Toledo, J. Alonso-Garc\\'ia, J. Borissova, J. E. Drew, J. I. Arias, J. J. Clari\\'a, J. P. Emerson, K. Kinemuchi, L. Bronfman, L. Monaco, L. Morelli, L. R. Bedin, L. Sodr\\'e Jr., M. A. Thompson, M. Catelan, M. C. Parisi, M. Hempel, M. J. Irwin, M. L\\'opez-Corredoira, M. Messineo, M. Rejkuba, M. R. Schreiber, M. Smith, M. Soto, M. Tamura, M. V. Alonso, M. Zoccali, N. C. Hambly, N. Cross, N. Masetti, N. Padilla, O. A. Gonzalez, P. Pietrukowicz, P. W. Lucas, R. C. Gamen, R. de Grijs, R. H. Barb\\'a, R. K. Saito, R. Kurtev, R. M. Bandyopadhyay, S. E. Sale, S. Gurovich, T. Maccarone, T. Palma, V. D. Ivanov, W. Gieren","submitted_at":"2009-12-05T22:05:12Z","abstract_excerpt":"We describe the public ESO near-IR variability survey (VVV) scanning the Milky Way bulge and an adjacent section of the mid-plane where star formation activity is high. The survey will take 1929 hours of observations with the 4-metre VISTA telescope during five years (2010-2014), covering ~10^9 point sources across an area of 520 deg^2, including 33 known globular clusters and ~350 open clusters. The final product will be a deep near-IR atlas in five passbands (0.9-2.5 microns) and a catalogue of more than 10^6 variable point sources. Unlike single-epoch surveys that, in most cases, only produ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.1056","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":"2026-05-18T02:33:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L0CxtbKyZAVArjnZnjCv/C+Kv24b00brfGrGRlF9iJpuCCJJHNK9wVPTS7JJfz2Zd90D04xgBcqijT0mhzbvAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T02:33:57.639753Z"},"content_sha256":"de8a593bebe67727f8f3530e2ae70ca181fdbb3e15e84d90d3ba0ef2b89537c1","schema_version":"1.0","event_id":"sha256:de8a593bebe67727f8f3530e2ae70ca181fdbb3e15e84d90d3ba0ef2b89537c1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CNEMXXQY562NOTENZTVMUVIM74/bundle.json","state_url":"https://pith.science/pith/CNEMXXQY562NOTENZTVMUVIM74/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CNEMXXQY562NOTENZTVMUVIM74/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":"2026-06-06T02:33:57Z","links":{"resolver":"https://pith.science/pith/CNEMXXQY562NOTENZTVMUVIM74","bundle":"https://pith.science/pith/CNEMXXQY562NOTENZTVMUVIM74/bundle.json","state":"https://pith.science/pith/CNEMXXQY562NOTENZTVMUVIM74/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CNEMXXQY562NOTENZTVMUVIM74/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:CNEMXXQY562NOTENZTVMUVIM74","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":"4def06a5ca5f6645de2e606075b6f9feb6ab65cee0e203c50a30de4a32524fd2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-12-05T22:05:12Z","title_canon_sha256":"b1d6519345813fcad2b34a6f0ff4ab570cb26c9ef3cd4df4b152faa91f9bfcac"},"schema_version":"1.0","source":{"id":"0912.1056","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.1056","created_at":"2026-05-18T02:33:57Z"},{"alias_kind":"arxiv_version","alias_value":"0912.1056v2","created_at":"2026-05-18T02:33:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.1056","created_at":"2026-05-18T02:33:57Z"},{"alias_kind":"pith_short_12","alias_value":"CNEMXXQY562N","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"CNEMXXQY562NOTEN","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"CNEMXXQY","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:de8a593bebe67727f8f3530e2ae70ca181fdbb3e15e84d90d3ba0ef2b89537c1","target":"graph","created_at":"2026-05-18T02:33:57Z","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 describe the public ESO near-IR variability survey (VVV) scanning the Milky Way bulge and an adjacent section of the mid-plane where star formation activity is high. The survey will take 1929 hours of observations with the 4-metre VISTA telescope during five years (2010-2014), covering ~10^9 point sources across an area of 520 deg^2, including 33 known globular clusters and ~350 open clusters. The final product will be a deep near-IR atlas in five passbands (0.9-2.5 microns) and a catalogue of more than 10^6 variable point sources. Unlike single-epoch surveys that, in most cases, only produ","authors_text":"A. C. Schr\\\"oder, A. Jord\\'an, A. Roman-Lopes, A. V. Ahumada, B. Barbuy, B. Goldman, C. Fari\\~na, C. Feinstein, C. Tappert, D. Geisler, D. Merlo, D. Minniti, E. Bica, E. Fern\\'andez Laj\\'us, E. Kerins, G. Carraro, G. Gunthardt, G. Pignata, I. D\\'ek\\'any, I. F. Mirabel, I. Toledo, J. Alonso-Garc\\'ia, J. Borissova, J. E. Drew, J. I. Arias, J. J. Clari\\'a, J. P. Emerson, K. Kinemuchi, L. Bronfman, L. Monaco, L. Morelli, L. R. Bedin, L. Sodr\\'e Jr., M. A. Thompson, M. Catelan, M. C. Parisi, M. Hempel, M. J. Irwin, M. L\\'opez-Corredoira, M. Messineo, M. Rejkuba, M. R. Schreiber, M. Smith, M. Soto, M. Tamura, M. V. Alonso, M. Zoccali, N. C. Hambly, N. Cross, N. Masetti, N. Padilla, O. A. Gonzalez, P. Pietrukowicz, P. W. Lucas, R. C. Gamen, R. de Grijs, R. H. Barb\\'a, R. K. Saito, R. Kurtev, R. M. Bandyopadhyay, S. E. Sale, S. Gurovich, T. Maccarone, T. Palma, V. D. Ivanov, W. Gieren","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-12-05T22:05:12Z","title":"VISTA Variables in the Via Lactea (VVV): The public ESO near-IR variability survey of the Milky Way"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.1056","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":"sha256:78601bf5089d359f7af377fc6669afc931504fe556fee062785a853233e3d3d6","target":"record","created_at":"2026-05-18T02:33:57Z","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":"4def06a5ca5f6645de2e606075b6f9feb6ab65cee0e203c50a30de4a32524fd2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-12-05T22:05:12Z","title_canon_sha256":"b1d6519345813fcad2b34a6f0ff4ab570cb26c9ef3cd4df4b152faa91f9bfcac"},"schema_version":"1.0","source":{"id":"0912.1056","kind":"arxiv","version":2}},"canonical_sha256":"1348cbde18efb4d74c8dcceaca550cff0d6c28ee6595a658db99b78448d6861b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1348cbde18efb4d74c8dcceaca550cff0d6c28ee6595a658db99b78448d6861b","first_computed_at":"2026-05-18T02:33:57.451734Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:33:57.451734Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+h6rCNKKAtlVvm0SsJWDYr8+lbDM6xsxbqPQ2Nehd6f1pz/HQERzgJuD65Egq3aSbL8PKfZlufqs9QnWc7K7Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:33:57.452265Z","signed_message":"canonical_sha256_bytes"},"source_id":"0912.1056","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:78601bf5089d359f7af377fc6669afc931504fe556fee062785a853233e3d3d6","sha256:de8a593bebe67727f8f3530e2ae70ca181fdbb3e15e84d90d3ba0ef2b89537c1"],"state_sha256":"49745d34ed2330587f8f4bb019660f0cb0fcfa51974f431cf1bc282393cd22fc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QYVc/gaUlwHX3DLiNqwmp9EJHRS605psyvzu9n/SK6qcl/Y+6xDLTe3PX/3GT0tBzfTwp+BL7yT4cELJkTQ4Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T02:33:57.643210Z","bundle_sha256":"9192e12a475528a5f1eff1aa865399f03313184a5a865ba0088101b798b06a5f"}}