{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:NOFDUXCMMNOXDLEHEMXRAIR5FW","short_pith_number":"pith:NOFDUXCM","canonical_record":{"source":{"id":"1512.07914","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-12-24T21:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"ee0cf7f6e7811f4e25f631c664943ad18a4b3f1e503de91604ed22c46a3c6937","abstract_canon_sha256":"4f1f95a6524810f7da822616353166b57e4c07a3a91ea1572bacecd0c15b6c7e"},"schema_version":"1.0"},"canonical_sha256":"6b8a3a5c4c635d71ac87232f10223d2dbcd823e19667eee4ea99d08c6d315c38","source":{"kind":"arxiv","id":"1512.07914","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.07914","created_at":"2026-07-04T23:55:03Z"},{"alias_kind":"arxiv_version","alias_value":"1512.07914v1","created_at":"2026-07-04T23:55:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07914","created_at":"2026-07-04T23:55:03Z"},{"alias_kind":"pith_short_12","alias_value":"NOFDUXCMMNOX","created_at":"2026-07-04T23:55:03Z"},{"alias_kind":"pith_short_16","alias_value":"NOFDUXCMMNOXDLEH","created_at":"2026-07-04T23:55:03Z"},{"alias_kind":"pith_short_8","alias_value":"NOFDUXCM","created_at":"2026-07-04T23:55:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:NOFDUXCMMNOXDLEHEMXRAIR5FW","target":"record","payload":{"canonical_record":{"source":{"id":"1512.07914","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-12-24T21:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"ee0cf7f6e7811f4e25f631c664943ad18a4b3f1e503de91604ed22c46a3c6937","abstract_canon_sha256":"4f1f95a6524810f7da822616353166b57e4c07a3a91ea1572bacecd0c15b6c7e"},"schema_version":"1.0"},"canonical_sha256":"6b8a3a5c4c635d71ac87232f10223d2dbcd823e19667eee4ea99d08c6d315c38","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:55:03.807608Z","signature_b64":"5/Tx7VdPX9mdXab1kW04WuEvEQJPF6yuaJyhQ1bKven0Qo8aJqvulz9ZyW2dR37mhSzwSvSVsTbNNKX1SqaMBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6b8a3a5c4c635d71ac87232f10223d2dbcd823e19667eee4ea99d08c6d315c38","last_reissued_at":"2026-07-04T23:55:03.807172Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:55:03.807172Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.07914","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":"2026-07-04T23:55:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nldLmFu1LKzAq6jMmAUjV7jI5mORzZrFR5aE2KNQWerzLaXyTkCx/qAVqCIwLPb4Bz9MGaR0RlEjIaUBb+LzBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-21T20:56:20.039768Z"},"content_sha256":"b334fe2920cfe390570778f84e733eca442f438d8db4d8dcc1095c510e21460b","schema_version":"1.0","event_id":"sha256:b334fe2920cfe390570778f84e733eca442f438d8db4d8dcc1095c510e21460b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:NOFDUXCMMNOXDLEHEMXRAIR5FW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The LSST Data Management System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Alexander Withers, Andrew C. Becker, Andrew J. Connolly, Angelo Fausti, Colin T. Slater, Darko Jevremovi\\'c, David J. Reiss, David L. Nidever, David R. Ciardi, D. Michael Freemon, Dominique Boutigny, Donald Petravick, Dustin Lang, Fabio Hernandez, Fabrice Jammes, Fergal Mullally, Frossie Economou, Gregory Dubois-Felsmann, Gregory E. Daues, Hsin-Fang Chiang, Ian S. Sullivan, Jacek Becla, James Bosch, Jason Alt, J. Bryce Kalmbach, Jeffrey Kantor, Jim Basney, J. Matt Peterson, Joachim Moeyens, John D. Swinbank, John K Parejko, John Lurie, Jonathan Sick, Joshua Hoblitt, Jovan Aleksi\\'c, K. Simon Krughoff, K-T Lim, Lauren A. MacArthur, Mario Juri\\'c, Matias Carrasco Kind, Merlin Fisher-Levine, Michael A. Strauss, Nate B. Lust, Paul A. Price, Perry Gee, Peter Melchior, Peter Yoachim (for the LSST Project), Philippe Gris, Rahul Biswas, Richard A. Shaw, R. Lynne Jones, Roberta A. Allsman, Robert Armstrong, Robert H. Lupton, Russell Owen, Schuyler Van Dyk, Scott F. Daniel, Stephen R. Pietrowicz, Steven J. Bickerton, Tim Jenness, Tim S. Axelrod, Veljko Vuj\\v{c}i\\'c, Vishal P. Kasliwal, \\v{Z}eljko Ivezi\\'c, Yusra Alsayyad","submitted_at":"2015-12-24T21:00:02Z","abstract_excerpt":"The Large Synoptic Survey Telescope (LSST) is a large-aperture, wide-field, ground-based survey system that will image the sky in six optical bands from 320 to 1050 nm, uniformly covering approximately $18,000$deg$^2$ of the sky over 800 times. The LSST is currently under construction on Cerro Pach\\'on in Chile, and expected to enter operations in 2022. Once operational, the LSST will explore a wide range of astrophysical questions, from discovering \"killer\" asteroids to examining the nature of Dark Energy.\n  The LSST will generate on average 15 TB of data per night, and will require a compreh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07914","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/1512.07914/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":"2026-07-04T23:55:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UykVzKNOr5vbZkSu+SHWq63tGt3jIkrYYVRYxFnVWFfc88mXBpaBc0hrkEiux32rJcDCEfVmZVJt/bFsP+/IAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-21T20:56:20.040155Z"},"content_sha256":"84759b79e24aa99d2eceae878d42c8e895cfd15c19f04ff655a4d4492644aa4f","schema_version":"1.0","event_id":"sha256:84759b79e24aa99d2eceae878d42c8e895cfd15c19f04ff655a4d4492644aa4f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NOFDUXCMMNOXDLEHEMXRAIR5FW/bundle.json","state_url":"https://pith.science/pith/NOFDUXCMMNOXDLEHEMXRAIR5FW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NOFDUXCMMNOXDLEHEMXRAIR5FW/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":"2026-07-21T20:56:20Z","links":{"resolver":"https://pith.science/pith/NOFDUXCMMNOXDLEHEMXRAIR5FW","bundle":"https://pith.science/pith/NOFDUXCMMNOXDLEHEMXRAIR5FW/bundle.json","state":"https://pith.science/pith/NOFDUXCMMNOXDLEHEMXRAIR5FW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NOFDUXCMMNOXDLEHEMXRAIR5FW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:NOFDUXCMMNOXDLEHEMXRAIR5FW","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":"4f1f95a6524810f7da822616353166b57e4c07a3a91ea1572bacecd0c15b6c7e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-12-24T21:00:02Z","title_canon_sha256":"ee0cf7f6e7811f4e25f631c664943ad18a4b3f1e503de91604ed22c46a3c6937"},"schema_version":"1.0","source":{"id":"1512.07914","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.07914","created_at":"2026-07-04T23:55:03Z"},{"alias_kind":"arxiv_version","alias_value":"1512.07914v1","created_at":"2026-07-04T23:55:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07914","created_at":"2026-07-04T23:55:03Z"},{"alias_kind":"pith_short_12","alias_value":"NOFDUXCMMNOX","created_at":"2026-07-04T23:55:03Z"},{"alias_kind":"pith_short_16","alias_value":"NOFDUXCMMNOXDLEH","created_at":"2026-07-04T23:55:03Z"},{"alias_kind":"pith_short_8","alias_value":"NOFDUXCM","created_at":"2026-07-04T23:55:03Z"}],"graph_snapshots":[{"event_id":"sha256:84759b79e24aa99d2eceae878d42c8e895cfd15c19f04ff655a4d4492644aa4f","target":"graph","created_at":"2026-07-04T23:55:03Z","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/1512.07914/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Large Synoptic Survey Telescope (LSST) is a large-aperture, wide-field, ground-based survey system that will image the sky in six optical bands from 320 to 1050 nm, uniformly covering approximately $18,000$deg$^2$ of the sky over 800 times. The LSST is currently under construction on Cerro Pach\\'on in Chile, and expected to enter operations in 2022. Once operational, the LSST will explore a wide range of astrophysical questions, from discovering \"killer\" asteroids to examining the nature of Dark Energy.\n  The LSST will generate on average 15 TB of data per night, and will require a compreh","authors_text":"Alexander Withers, Andrew C. Becker, Andrew J. Connolly, Angelo Fausti, Colin T. Slater, Darko Jevremovi\\'c, David J. Reiss, David L. Nidever, David R. Ciardi, D. Michael Freemon, Dominique Boutigny, Donald Petravick, Dustin Lang, Fabio Hernandez, Fabrice Jammes, Fergal Mullally, Frossie Economou, Gregory Dubois-Felsmann, Gregory E. Daues, Hsin-Fang Chiang, Ian S. Sullivan, Jacek Becla, James Bosch, Jason Alt, J. Bryce Kalmbach, Jeffrey Kantor, Jim Basney, J. Matt Peterson, Joachim Moeyens, John D. Swinbank, John K Parejko, John Lurie, Jonathan Sick, Joshua Hoblitt, Jovan Aleksi\\'c, K. Simon Krughoff, K-T Lim, Lauren A. MacArthur, Mario Juri\\'c, Matias Carrasco Kind, Merlin Fisher-Levine, Michael A. Strauss, Nate B. Lust, Paul A. Price, Perry Gee, Peter Melchior, Peter Yoachim (for the LSST Project), Philippe Gris, Rahul Biswas, Richard A. Shaw, R. Lynne Jones, Roberta A. Allsman, Robert Armstrong, Robert H. Lupton, Russell Owen, Schuyler Van Dyk, Scott F. Daniel, Stephen R. Pietrowicz, Steven J. Bickerton, Tim Jenness, Tim S. Axelrod, Veljko Vuj\\v{c}i\\'c, Vishal P. Kasliwal, \\v{Z}eljko Ivezi\\'c, Yusra Alsayyad","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-12-24T21:00:02Z","title":"The LSST Data Management System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07914","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:b334fe2920cfe390570778f84e733eca442f438d8db4d8dcc1095c510e21460b","target":"record","created_at":"2026-07-04T23:55:03Z","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":"4f1f95a6524810f7da822616353166b57e4c07a3a91ea1572bacecd0c15b6c7e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-12-24T21:00:02Z","title_canon_sha256":"ee0cf7f6e7811f4e25f631c664943ad18a4b3f1e503de91604ed22c46a3c6937"},"schema_version":"1.0","source":{"id":"1512.07914","kind":"arxiv","version":1}},"canonical_sha256":"6b8a3a5c4c635d71ac87232f10223d2dbcd823e19667eee4ea99d08c6d315c38","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b8a3a5c4c635d71ac87232f10223d2dbcd823e19667eee4ea99d08c6d315c38","first_computed_at":"2026-07-04T23:55:03.807172Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:55:03.807172Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5/Tx7VdPX9mdXab1kW04WuEvEQJPF6yuaJyhQ1bKven0Qo8aJqvulz9ZyW2dR37mhSzwSvSVsTbNNKX1SqaMBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T23:55:03.807608Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.07914","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b334fe2920cfe390570778f84e733eca442f438d8db4d8dcc1095c510e21460b","sha256:84759b79e24aa99d2eceae878d42c8e895cfd15c19f04ff655a4d4492644aa4f"],"state_sha256":"be23f0a67f53472906815dc41c121b9732317f6e6aeef9e1399642cde64abda3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wk4Wyqu0ABaeyV+LeXtH+9HlFqndsP5NwDX5xDbvx+sp8baGowWcK0h84KiBCfi57ZmEYCXQ8dTMiQyaruHXDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-21T20:56:20.042404Z","bundle_sha256":"5df69c5d17c40b1dd56cb4db415599e0269cbd8efc1c638d12cdfde6d4ea4ce0"}}