{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:2N2K5QWVIW3A52BTCQ5DLTT536","short_pith_number":"pith:2N2K5QWV","canonical_record":{"source":{"id":"2011.11156","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2020-11-23T00:46:00Z","cross_cats_sorted":[],"title_canon_sha256":"4e473416c5e1f6cc2cdef7409fcbc08f6c7b6dd4994cc668e3d860223f0fb0cf","abstract_canon_sha256":"96e4fa7a8295a7b5675d7fef33ce1e6e30ecaa7d4aa9a6bfe77ab3f6b3997617"},"schema_version":"1.0"},"canonical_sha256":"d374aec2d545b60ee833143a35ce7ddfb2d5492320e6bee804ba56f3f88b67f1","source":{"kind":"arxiv","id":"2011.11156","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.11156","created_at":"2026-07-05T03:21:40Z"},{"alias_kind":"arxiv_version","alias_value":"2011.11156v2","created_at":"2026-07-05T03:21:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.11156","created_at":"2026-07-05T03:21:40Z"},{"alias_kind":"pith_short_12","alias_value":"2N2K5QWVIW3A","created_at":"2026-07-05T03:21:40Z"},{"alias_kind":"pith_short_16","alias_value":"2N2K5QWVIW3A52BT","created_at":"2026-07-05T03:21:40Z"},{"alias_kind":"pith_short_8","alias_value":"2N2K5QWV","created_at":"2026-07-05T03:21:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:2N2K5QWVIW3A52BTCQ5DLTT536","target":"record","payload":{"canonical_record":{"source":{"id":"2011.11156","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2020-11-23T00:46:00Z","cross_cats_sorted":[],"title_canon_sha256":"4e473416c5e1f6cc2cdef7409fcbc08f6c7b6dd4994cc668e3d860223f0fb0cf","abstract_canon_sha256":"96e4fa7a8295a7b5675d7fef33ce1e6e30ecaa7d4aa9a6bfe77ab3f6b3997617"},"schema_version":"1.0"},"canonical_sha256":"d374aec2d545b60ee833143a35ce7ddfb2d5492320e6bee804ba56f3f88b67f1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:21:40.842858Z","signature_b64":"ycR0vpHAddmRyiHmYHR4uQbiG0eRFQcuI8Y/GK1ubRAHDqi8zbPf3QYMtuu1ZuNIyUFFEYXyAw3RA0sTAnpOBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d374aec2d545b60ee833143a35ce7ddfb2d5492320e6bee804ba56f3f88b67f1","last_reissued_at":"2026-07-05T03:21:40.842358Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:21:40.842358Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2011.11156","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":"2026-07-05T03:21:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NkK40VtyoQwMV8D6toQhHhg4Me2MZSlHnIqp++3MV9/ACUXPhlpZaQXstcJSvHAzknO7JSqQbYtAPWPoS6+lAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T09:33:34.325262Z"},"content_sha256":"0363b4d279883b9ff33056de7f4f0cdb0c6f1a7ba14605988ebc91d60be037d7","schema_version":"1.0","event_id":"sha256:0363b4d279883b9ff33056de7f4f0cdb0c6f1a7ba14605988ebc91d60be037d7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:2N2K5QWVIW3A52BTCQ5DLTT536","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Better Aggregation in Test-Time Augmentation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Davis Blalock, Divya Shanmugam, Guha Balakrishnan, John Guttag","submitted_at":"2020-11-23T00:46:00Z","abstract_excerpt":"Test-time augmentation -- the aggregation of predictions across transformed versions of a test input -- is a common practice in image classification. Traditionally, predictions are combined using a simple average. In this paper, we present 1) experimental analyses that shed light on cases in which the simple average is suboptimal and 2) a method to address these shortcomings. A key finding is that even when test-time augmentation produces a net improvement in accuracy, it can change many correct predictions into incorrect predictions. We delve into when and why test-time augmentation changes a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.11156","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/2011.11156/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":"2026-07-05T03:21:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WR7AHgj74oc6MgCrbDL0HX4UQFSo0KTqieyFlVsg16zgcMsov7Ph4M2DvSq8EDm0bNNMOHlyLyijBANL2etuDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T09:33:34.326185Z"},"content_sha256":"c0a667b6d8343b631e8fe4fe5eaf560608d8fff6f65833f32df5ebcc1e398cba","schema_version":"1.0","event_id":"sha256:c0a667b6d8343b631e8fe4fe5eaf560608d8fff6f65833f32df5ebcc1e398cba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2N2K5QWVIW3A52BTCQ5DLTT536/bundle.json","state_url":"https://pith.science/pith/2N2K5QWVIW3A52BTCQ5DLTT536/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2N2K5QWVIW3A52BTCQ5DLTT536/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":"2026-08-09T09:33:34Z","links":{"resolver":"https://pith.science/pith/2N2K5QWVIW3A52BTCQ5DLTT536","bundle":"https://pith.science/pith/2N2K5QWVIW3A52BTCQ5DLTT536/bundle.json","state":"https://pith.science/pith/2N2K5QWVIW3A52BTCQ5DLTT536/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2N2K5QWVIW3A52BTCQ5DLTT536/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:2N2K5QWVIW3A52BTCQ5DLTT536","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":"96e4fa7a8295a7b5675d7fef33ce1e6e30ecaa7d4aa9a6bfe77ab3f6b3997617","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2020-11-23T00:46:00Z","title_canon_sha256":"4e473416c5e1f6cc2cdef7409fcbc08f6c7b6dd4994cc668e3d860223f0fb0cf"},"schema_version":"1.0","source":{"id":"2011.11156","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.11156","created_at":"2026-07-05T03:21:40Z"},{"alias_kind":"arxiv_version","alias_value":"2011.11156v2","created_at":"2026-07-05T03:21:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.11156","created_at":"2026-07-05T03:21:40Z"},{"alias_kind":"pith_short_12","alias_value":"2N2K5QWVIW3A","created_at":"2026-07-05T03:21:40Z"},{"alias_kind":"pith_short_16","alias_value":"2N2K5QWVIW3A52BT","created_at":"2026-07-05T03:21:40Z"},{"alias_kind":"pith_short_8","alias_value":"2N2K5QWV","created_at":"2026-07-05T03:21:40Z"}],"graph_snapshots":[{"event_id":"sha256:c0a667b6d8343b631e8fe4fe5eaf560608d8fff6f65833f32df5ebcc1e398cba","target":"graph","created_at":"2026-07-05T03:21:40Z","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/2011.11156/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Test-time augmentation -- the aggregation of predictions across transformed versions of a test input -- is a common practice in image classification. Traditionally, predictions are combined using a simple average. In this paper, we present 1) experimental analyses that shed light on cases in which the simple average is suboptimal and 2) a method to address these shortcomings. A key finding is that even when test-time augmentation produces a net improvement in accuracy, it can change many correct predictions into incorrect predictions. We delve into when and why test-time augmentation changes a","authors_text":"Davis Blalock, Divya Shanmugam, Guha Balakrishnan, John Guttag","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2020-11-23T00:46:00Z","title":"Better Aggregation in Test-Time Augmentation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.11156","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":"sha256:0363b4d279883b9ff33056de7f4f0cdb0c6f1a7ba14605988ebc91d60be037d7","target":"record","created_at":"2026-07-05T03:21:40Z","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":"96e4fa7a8295a7b5675d7fef33ce1e6e30ecaa7d4aa9a6bfe77ab3f6b3997617","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2020-11-23T00:46:00Z","title_canon_sha256":"4e473416c5e1f6cc2cdef7409fcbc08f6c7b6dd4994cc668e3d860223f0fb0cf"},"schema_version":"1.0","source":{"id":"2011.11156","kind":"arxiv","version":2}},"canonical_sha256":"d374aec2d545b60ee833143a35ce7ddfb2d5492320e6bee804ba56f3f88b67f1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d374aec2d545b60ee833143a35ce7ddfb2d5492320e6bee804ba56f3f88b67f1","first_computed_at":"2026-07-05T03:21:40.842358Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:21:40.842358Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ycR0vpHAddmRyiHmYHR4uQbiG0eRFQcuI8Y/GK1ubRAHDqi8zbPf3QYMtuu1ZuNIyUFFEYXyAw3RA0sTAnpOBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:21:40.842858Z","signed_message":"canonical_sha256_bytes"},"source_id":"2011.11156","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0363b4d279883b9ff33056de7f4f0cdb0c6f1a7ba14605988ebc91d60be037d7","sha256:c0a667b6d8343b631e8fe4fe5eaf560608d8fff6f65833f32df5ebcc1e398cba"],"state_sha256":"e3e79a1a598771961539572880fc3c0219daa0744b6b9d03062886ab52c1b498"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vZ1zOMflCVW00zesVNNmIuKn0Q8iAnZHWXKz7mAvyYm4K8Aipp2vtt1pDIlttc678nMdpSVqY6uVld/fFhaYCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T09:33:34.333608Z","bundle_sha256":"dcf8a57baba742b17f7729b3116c5c6a31f7e2e1da853f7427d62cd5af71c672"}}