{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:74KU26LUFPTVMUF32TZTUJZ3LG","short_pith_number":"pith:74KU26LU","canonical_record":{"source":{"id":"2007.00644","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2020-07-01T17:53:26Z","cross_cats_sorted":["cs.CV","stat.ML"],"title_canon_sha256":"820d08d9e87b1e76a9d5c8d4c9f5d776383fa8a1f2135af6614d4ff78ccd3e96","abstract_canon_sha256":"201e1364bdedf7e65946554c0a00f140e75541460164483ae97c38c9f57d36de"},"schema_version":"1.0"},"canonical_sha256":"ff154d79742be75650bbd4f33a273b5998bb01e793fd12a9666e1ec7017dbe4f","source":{"kind":"arxiv","id":"2007.00644","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.00644","created_at":"2026-07-05T01:34:55Z"},{"alias_kind":"arxiv_version","alias_value":"2007.00644v2","created_at":"2026-07-05T01:34:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.00644","created_at":"2026-07-05T01:34:55Z"},{"alias_kind":"pith_short_12","alias_value":"74KU26LUFPTV","created_at":"2026-07-05T01:34:55Z"},{"alias_kind":"pith_short_16","alias_value":"74KU26LUFPTVMUF3","created_at":"2026-07-05T01:34:55Z"},{"alias_kind":"pith_short_8","alias_value":"74KU26LU","created_at":"2026-07-05T01:34:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:74KU26LUFPTVMUF32TZTUJZ3LG","target":"record","payload":{"canonical_record":{"source":{"id":"2007.00644","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2020-07-01T17:53:26Z","cross_cats_sorted":["cs.CV","stat.ML"],"title_canon_sha256":"820d08d9e87b1e76a9d5c8d4c9f5d776383fa8a1f2135af6614d4ff78ccd3e96","abstract_canon_sha256":"201e1364bdedf7e65946554c0a00f140e75541460164483ae97c38c9f57d36de"},"schema_version":"1.0"},"canonical_sha256":"ff154d79742be75650bbd4f33a273b5998bb01e793fd12a9666e1ec7017dbe4f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:34:55.648486Z","signature_b64":"YBB26jsSZAZJUPX/76/QHhr8nhDDs8/40BUDkN/coiauZ20vZEFAAy6P5VWyueZkbatkMXnKzNOHQbCIJqVzDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff154d79742be75650bbd4f33a273b5998bb01e793fd12a9666e1ec7017dbe4f","last_reissued_at":"2026-07-05T01:34:55.648021Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:34:55.648021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2007.00644","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":"2026-07-05T01:34:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NKUKKfbbpRUrApAaap88iSkza3/X8mZ8XJrlWML9zOa5tOpOMlojZXanJlAv+SzxKefBNwuYdrFqbqObyt4TCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T17:19:17.254986Z"},"content_sha256":"938c8d6a4726c68a2933ea15da383e0ed573e10eb177c8db7f9ac653c0a1832c","schema_version":"1.0","event_id":"sha256:938c8d6a4726c68a2933ea15da383e0ed573e10eb177c8db7f9ac653c0a1832c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:74KU26LUFPTVMUF32TZTUJZ3LG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measuring Robustness to Natural Distribution Shifts in Image Classification","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV","stat.ML"],"primary_cat":"cs.LG","authors_text":"Achal Dave, Benjamin Recht, Ludwig Schmidt, Nicholas Carlini, Rohan Taori, Vaishaal Shankar","submitted_at":"2020-07-01T17:53:26Z","abstract_excerpt":"We study how robust current ImageNet models are to distribution shifts arising from natural variations in datasets. Most research on robustness focuses on synthetic image perturbations (noise, simulated weather artifacts, adversarial examples, etc.), which leaves open how robustness on synthetic distribution shift relates to distribution shift arising in real data. Informed by an evaluation of 204 ImageNet models in 213 different test conditions, we find that there is often little to no transfer of robustness from current synthetic to natural distribution shift. Moreover, most current techniqu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.00644","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2007.00644/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":"2026-07-05T01:34:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9zlCQxTLdVqXeCyfdBs3jV/XbzPWb1iCsIEEI75Ys8deealMx4BRrBWYhWg66Ol3vGHtxOzW91kgBZyXGcylAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T17:19:17.255557Z"},"content_sha256":"b57f2315ae81aa42538d152ca10879d8edcf824492dfe98425b7cc4b6b273fa5","schema_version":"1.0","event_id":"sha256:b57f2315ae81aa42538d152ca10879d8edcf824492dfe98425b7cc4b6b273fa5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/74KU26LUFPTVMUF32TZTUJZ3LG/bundle.json","state_url":"https://pith.science/pith/74KU26LUFPTVMUF32TZTUJZ3LG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/74KU26LUFPTVMUF32TZTUJZ3LG/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":"2026-08-18T17:19:17Z","links":{"resolver":"https://pith.science/pith/74KU26LUFPTVMUF32TZTUJZ3LG","bundle":"https://pith.science/pith/74KU26LUFPTVMUF32TZTUJZ3LG/bundle.json","state":"https://pith.science/pith/74KU26LUFPTVMUF32TZTUJZ3LG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/74KU26LUFPTVMUF32TZTUJZ3LG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:74KU26LUFPTVMUF32TZTUJZ3LG","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":"201e1364bdedf7e65946554c0a00f140e75541460164483ae97c38c9f57d36de","cross_cats_sorted":["cs.CV","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2020-07-01T17:53:26Z","title_canon_sha256":"820d08d9e87b1e76a9d5c8d4c9f5d776383fa8a1f2135af6614d4ff78ccd3e96"},"schema_version":"1.0","source":{"id":"2007.00644","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.00644","created_at":"2026-07-05T01:34:55Z"},{"alias_kind":"arxiv_version","alias_value":"2007.00644v2","created_at":"2026-07-05T01:34:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.00644","created_at":"2026-07-05T01:34:55Z"},{"alias_kind":"pith_short_12","alias_value":"74KU26LUFPTV","created_at":"2026-07-05T01:34:55Z"},{"alias_kind":"pith_short_16","alias_value":"74KU26LUFPTVMUF3","created_at":"2026-07-05T01:34:55Z"},{"alias_kind":"pith_short_8","alias_value":"74KU26LU","created_at":"2026-07-05T01:34:55Z"}],"graph_snapshots":[{"event_id":"sha256:b57f2315ae81aa42538d152ca10879d8edcf824492dfe98425b7cc4b6b273fa5","target":"graph","created_at":"2026-07-05T01:34:55Z","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/2007.00644/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study how robust current ImageNet models are to distribution shifts arising from natural variations in datasets. Most research on robustness focuses on synthetic image perturbations (noise, simulated weather artifacts, adversarial examples, etc.), which leaves open how robustness on synthetic distribution shift relates to distribution shift arising in real data. Informed by an evaluation of 204 ImageNet models in 213 different test conditions, we find that there is often little to no transfer of robustness from current synthetic to natural distribution shift. Moreover, most current techniqu","authors_text":"Achal Dave, Benjamin Recht, Ludwig Schmidt, Nicholas Carlini, Rohan Taori, Vaishaal Shankar","cross_cats":["cs.CV","stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2020-07-01T17:53:26Z","title":"Measuring Robustness to Natural Distribution Shifts in Image Classification"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.00644","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":"sha256:938c8d6a4726c68a2933ea15da383e0ed573e10eb177c8db7f9ac653c0a1832c","target":"record","created_at":"2026-07-05T01:34:55Z","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":"201e1364bdedf7e65946554c0a00f140e75541460164483ae97c38c9f57d36de","cross_cats_sorted":["cs.CV","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2020-07-01T17:53:26Z","title_canon_sha256":"820d08d9e87b1e76a9d5c8d4c9f5d776383fa8a1f2135af6614d4ff78ccd3e96"},"schema_version":"1.0","source":{"id":"2007.00644","kind":"arxiv","version":2}},"canonical_sha256":"ff154d79742be75650bbd4f33a273b5998bb01e793fd12a9666e1ec7017dbe4f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ff154d79742be75650bbd4f33a273b5998bb01e793fd12a9666e1ec7017dbe4f","first_computed_at":"2026-07-05T01:34:55.648021Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:34:55.648021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YBB26jsSZAZJUPX/76/QHhr8nhDDs8/40BUDkN/coiauZ20vZEFAAy6P5VWyueZkbatkMXnKzNOHQbCIJqVzDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:34:55.648486Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.00644","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:938c8d6a4726c68a2933ea15da383e0ed573e10eb177c8db7f9ac653c0a1832c","sha256:b57f2315ae81aa42538d152ca10879d8edcf824492dfe98425b7cc4b6b273fa5"],"state_sha256":"0608a4cbd2fc36af3b51f74bd240f6c4348bd11ce52dcb3219d34f016b252bd8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2nDofxaH/GmGeM/1w7kBTB06oXDVSmK/3DCrgl20pXtFfR9INEsdGARTFT+JIYBow2i6708RXC53f0Z7ALXMBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T17:19:17.261379Z","bundle_sha256":"7997a08693ca8a8ead7ffd3512051e7ffc4532502dfcd01f6010a9dc12801659"}}