{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:CVM22Z335OX2AVS5WSETHRK2DP","short_pith_number":"pith:CVM22Z33","canonical_record":{"source":{"id":"2111.15030","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-11-29T23:59:06Z","cross_cats_sorted":[],"title_canon_sha256":"1374a28fc2bc807d1faa7314515162401bf32e3da1c24f9d4512ba3115142370","abstract_canon_sha256":"9faa1376251ee3cb0f43d4a3929bb67aa75c0d1888f4e2de4e40c9207993cea1"},"schema_version":"1.0"},"canonical_sha256":"1559ad677bebafa0565db48933c55a1be78e1d7c8b814d5fb127cf1c1eb74df8","source":{"kind":"arxiv","id":"2111.15030","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.15030","created_at":"2026-07-05T03:36:22Z"},{"alias_kind":"arxiv_version","alias_value":"2111.15030v1","created_at":"2026-07-05T03:36:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.15030","created_at":"2026-07-05T03:36:22Z"},{"alias_kind":"pith_short_12","alias_value":"CVM22Z335OX2","created_at":"2026-07-05T03:36:22Z"},{"alias_kind":"pith_short_16","alias_value":"CVM22Z335OX2AVS5","created_at":"2026-07-05T03:36:22Z"},{"alias_kind":"pith_short_8","alias_value":"CVM22Z33","created_at":"2026-07-05T03:36:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:CVM22Z335OX2AVS5WSETHRK2DP","target":"record","payload":{"canonical_record":{"source":{"id":"2111.15030","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-11-29T23:59:06Z","cross_cats_sorted":[],"title_canon_sha256":"1374a28fc2bc807d1faa7314515162401bf32e3da1c24f9d4512ba3115142370","abstract_canon_sha256":"9faa1376251ee3cb0f43d4a3929bb67aa75c0d1888f4e2de4e40c9207993cea1"},"schema_version":"1.0"},"canonical_sha256":"1559ad677bebafa0565db48933c55a1be78e1d7c8b814d5fb127cf1c1eb74df8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:36:22.142551Z","signature_b64":"Ls94VIs27D7TWb7kAEeCUvI6t7N5gl9a/bSlv0NO3e3kFEfkUEQF+X0qAin5qlkjS/DIpWGgx+Px6o8mnas5DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1559ad677bebafa0565db48933c55a1be78e1d7c8b814d5fb127cf1c1eb74df8","last_reissued_at":"2026-07-05T03:36:22.142093Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:36:22.142093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.15030","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":"2026-07-05T03:36:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qC2rQhUXd63sEgRpD2NtzrNN2hKJltnquz4q6VzPQRpWmyW378bKKY/C8+mOpSUFBQWNnA2L/+J61FBFMX+9Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T14:18:45.778405Z"},"content_sha256":"7a396e0fc335b715a65bf891490c3cb2e7de18e4134c17ff18630288ec17a8d8","schema_version":"1.0","event_id":"sha256:7a396e0fc335b715a65bf891490c3cb2e7de18e4134c17ff18630288ec17a8d8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:CVM22Z335OX2AVS5WSETHRK2DP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rubin Science Platform on Google: the story so far","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Adam J. Thornton, Christine Banek, Dan Speck, Flora Huang, Fritz Mueller, Frossie Economou, Gregory P. Dubois-Felsmann, Hsin-Fang Chiang, Jess Masciarelli, Jonathan Sick, Kian-Tat Lim, K. Simon Krughoff, Leanne P. Guy, Melissa L. Graham, Michelle Gower, Russ Allbery, Sergey Padolski, Tim Jenness, William O'Mullane","submitted_at":"2021-11-29T23:59:06Z","abstract_excerpt":"We describe Rubin Observatory's experience with offering a data access facility (and associated services including our Science Platform) deployed on Google Cloud infrastructure as part of our pre-Operations Data Preview program."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.15030","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/2111.15030/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":"2026-07-05T03:36:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TOAeKqrRYbkaUg/+NvyLevlnyD39o14lL1jUVWTfGMxplelMqPZShSmtWb5SeN+uuiVTZHRnHEMa/i8uymOkBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T14:18:45.778918Z"},"content_sha256":"9514d110e56f11b6326e496766ffac87b7b496e22a2186ade1cd5a2a9a92ef7e","schema_version":"1.0","event_id":"sha256:9514d110e56f11b6326e496766ffac87b7b496e22a2186ade1cd5a2a9a92ef7e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CVM22Z335OX2AVS5WSETHRK2DP/bundle.json","state_url":"https://pith.science/pith/CVM22Z335OX2AVS5WSETHRK2DP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CVM22Z335OX2AVS5WSETHRK2DP/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":"2026-08-11T14:18:45Z","links":{"resolver":"https://pith.science/pith/CVM22Z335OX2AVS5WSETHRK2DP","bundle":"https://pith.science/pith/CVM22Z335OX2AVS5WSETHRK2DP/bundle.json","state":"https://pith.science/pith/CVM22Z335OX2AVS5WSETHRK2DP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CVM22Z335OX2AVS5WSETHRK2DP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:CVM22Z335OX2AVS5WSETHRK2DP","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":"9faa1376251ee3cb0f43d4a3929bb67aa75c0d1888f4e2de4e40c9207993cea1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-11-29T23:59:06Z","title_canon_sha256":"1374a28fc2bc807d1faa7314515162401bf32e3da1c24f9d4512ba3115142370"},"schema_version":"1.0","source":{"id":"2111.15030","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.15030","created_at":"2026-07-05T03:36:22Z"},{"alias_kind":"arxiv_version","alias_value":"2111.15030v1","created_at":"2026-07-05T03:36:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.15030","created_at":"2026-07-05T03:36:22Z"},{"alias_kind":"pith_short_12","alias_value":"CVM22Z335OX2","created_at":"2026-07-05T03:36:22Z"},{"alias_kind":"pith_short_16","alias_value":"CVM22Z335OX2AVS5","created_at":"2026-07-05T03:36:22Z"},{"alias_kind":"pith_short_8","alias_value":"CVM22Z33","created_at":"2026-07-05T03:36:22Z"}],"graph_snapshots":[{"event_id":"sha256:9514d110e56f11b6326e496766ffac87b7b496e22a2186ade1cd5a2a9a92ef7e","target":"graph","created_at":"2026-07-05T03:36:22Z","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/2111.15030/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We describe Rubin Observatory's experience with offering a data access facility (and associated services including our Science Platform) deployed on Google Cloud infrastructure as part of our pre-Operations Data Preview program.","authors_text":"Adam J. Thornton, Christine Banek, Dan Speck, Flora Huang, Fritz Mueller, Frossie Economou, Gregory P. Dubois-Felsmann, Hsin-Fang Chiang, Jess Masciarelli, Jonathan Sick, Kian-Tat Lim, K. Simon Krughoff, Leanne P. Guy, Melissa L. Graham, Michelle Gower, Russ Allbery, Sergey Padolski, Tim Jenness, William O'Mullane","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-11-29T23:59:06Z","title":"Rubin Science Platform on Google: the story so far"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.15030","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":"sha256:7a396e0fc335b715a65bf891490c3cb2e7de18e4134c17ff18630288ec17a8d8","target":"record","created_at":"2026-07-05T03:36:22Z","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":"9faa1376251ee3cb0f43d4a3929bb67aa75c0d1888f4e2de4e40c9207993cea1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-11-29T23:59:06Z","title_canon_sha256":"1374a28fc2bc807d1faa7314515162401bf32e3da1c24f9d4512ba3115142370"},"schema_version":"1.0","source":{"id":"2111.15030","kind":"arxiv","version":1}},"canonical_sha256":"1559ad677bebafa0565db48933c55a1be78e1d7c8b814d5fb127cf1c1eb74df8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1559ad677bebafa0565db48933c55a1be78e1d7c8b814d5fb127cf1c1eb74df8","first_computed_at":"2026-07-05T03:36:22.142093Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:36:22.142093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ls94VIs27D7TWb7kAEeCUvI6t7N5gl9a/bSlv0NO3e3kFEfkUEQF+X0qAin5qlkjS/DIpWGgx+Px6o8mnas5DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:36:22.142551Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.15030","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7a396e0fc335b715a65bf891490c3cb2e7de18e4134c17ff18630288ec17a8d8","sha256:9514d110e56f11b6326e496766ffac87b7b496e22a2186ade1cd5a2a9a92ef7e"],"state_sha256":"f97d8dbd8a8efdf91d9d2e4a7ad7301213354f7c00a2d4378e50726a41446c6d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"af50biF1r9JadBC4R3G3+kNCRKJYK8T3MdL/98tokxrA8Lf1nQdiIsNmz08AuJw5zgo9XCjT02ElW9Rq58hoCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T14:18:45.784448Z","bundle_sha256":"fe313c7ef20dbb31f261df80abd2faff047d73008625a7c6e4279f326b685069"}}