{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:PGHTKL272WZGH2HTOCNT35RQ5J","short_pith_number":"pith:PGHTKL27","canonical_record":{"source":{"id":"2101.12355","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2021-01-29T02:01:45Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"aa0cdb549fe834ec72688a4476c9f05c0b2ea091f6ff7165aa0865ca5605dbd9","abstract_canon_sha256":"f27f9f177bd4c3e5212b0ec3a5e5be167e7ceab7a00b84bf5b69110a6371c663"},"schema_version":"1.0"},"canonical_sha256":"798f352f5fd5b263e8f3709b3df630ea6ee05fbde0a88d77d63e8a2a91ef9b58","source":{"kind":"arxiv","id":"2101.12355","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.12355","created_at":"2026-07-05T02:26:55Z"},{"alias_kind":"arxiv_version","alias_value":"2101.12355v2","created_at":"2026-07-05T02:26:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.12355","created_at":"2026-07-05T02:26:55Z"},{"alias_kind":"pith_short_12","alias_value":"PGHTKL272WZG","created_at":"2026-07-05T02:26:55Z"},{"alias_kind":"pith_short_16","alias_value":"PGHTKL272WZGH2HT","created_at":"2026-07-05T02:26:55Z"},{"alias_kind":"pith_short_8","alias_value":"PGHTKL27","created_at":"2026-07-05T02:26:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:PGHTKL272WZGH2HTOCNT35RQ5J","target":"record","payload":{"canonical_record":{"source":{"id":"2101.12355","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2021-01-29T02:01:45Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"aa0cdb549fe834ec72688a4476c9f05c0b2ea091f6ff7165aa0865ca5605dbd9","abstract_canon_sha256":"f27f9f177bd4c3e5212b0ec3a5e5be167e7ceab7a00b84bf5b69110a6371c663"},"schema_version":"1.0"},"canonical_sha256":"798f352f5fd5b263e8f3709b3df630ea6ee05fbde0a88d77d63e8a2a91ef9b58","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:26:55.206171Z","signature_b64":"OPSChhnFC0eUpBjAWBxFyO3AWXTF4Y+CWs0ccKIKAXTYO5iA5yBOFty+C3xc3iP8LfkTrQq0DfFTFgZhKr3OBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"798f352f5fd5b263e8f3709b3df630ea6ee05fbde0a88d77d63e8a2a91ef9b58","last_reissued_at":"2026-07-05T02:26:55.205740Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:26:55.205740Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2101.12355","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":"2026-07-05T02:26:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aMpgs/qs0TMbt82W5XMFlCaVbJAlnzzLGnzGCJgBFvYyT7CWGwdx55UNqZzv5ywe+AWYbMU+LxS8y2bSI8O3DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-21T09:28:12.347825Z"},"content_sha256":"ccd9fd26830ade3ef740cd765c8d0592b5a9795fbf87f48a77d96acfaa710544","schema_version":"1.0","event_id":"sha256:ccd9fd26830ade3ef740cd765c8d0592b5a9795fbf87f48a77d96acfaa710544"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:PGHTKL272WZGH2HTOCNT35RQ5J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Petri Dish for Histopathology Image Analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"eess.IV","authors_text":"Arief Suriawinata, Bing Ren, Charles Brown, Jason Wei, Jerry Wei, Lorenzo Torresani, Louis Vaickus, Michael Baker, Mikhail Lisovsky, Naofumi Tomita, Saeed Hassanpour, Xiaoying Liu","submitted_at":"2021-01-29T02:01:45Z","abstract_excerpt":"With the rise of deep learning, there has been increased interest in using neural networks for histopathology image analysis, a field that investigates the properties of biopsy or resected specimens traditionally manually examined under a microscope by pathologists. However, challenges such as limited data, costly annotation, and processing high-resolution and variable-size images make it difficult to quickly iterate over model designs. Throughout scientific history, many significant research directions have leveraged small-scale experimental setups as petri dishes to efficiently evaluate expl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.12355","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/2101.12355/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":"2026-07-05T02:26:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zjH0oksoehXmovknb6dmdx4EyJOz8cFdBbieiasbRLvXsF3VZpqtFKlTVe+zEVCthCfdZhUpbZX/kcPiZlzxCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-21T09:28:12.348478Z"},"content_sha256":"1cc20ca93532a04a11f9fe9ad9b0a71345fefcf329781a032d9f3ec9af1fe44b","schema_version":"1.0","event_id":"sha256:1cc20ca93532a04a11f9fe9ad9b0a71345fefcf329781a032d9f3ec9af1fe44b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PGHTKL272WZGH2HTOCNT35RQ5J/bundle.json","state_url":"https://pith.science/pith/PGHTKL272WZGH2HTOCNT35RQ5J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PGHTKL272WZGH2HTOCNT35RQ5J/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":"2026-07-21T09:28:12Z","links":{"resolver":"https://pith.science/pith/PGHTKL272WZGH2HTOCNT35RQ5J","bundle":"https://pith.science/pith/PGHTKL272WZGH2HTOCNT35RQ5J/bundle.json","state":"https://pith.science/pith/PGHTKL272WZGH2HTOCNT35RQ5J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PGHTKL272WZGH2HTOCNT35RQ5J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:PGHTKL272WZGH2HTOCNT35RQ5J","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":"f27f9f177bd4c3e5212b0ec3a5e5be167e7ceab7a00b84bf5b69110a6371c663","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2021-01-29T02:01:45Z","title_canon_sha256":"aa0cdb549fe834ec72688a4476c9f05c0b2ea091f6ff7165aa0865ca5605dbd9"},"schema_version":"1.0","source":{"id":"2101.12355","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.12355","created_at":"2026-07-05T02:26:55Z"},{"alias_kind":"arxiv_version","alias_value":"2101.12355v2","created_at":"2026-07-05T02:26:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.12355","created_at":"2026-07-05T02:26:55Z"},{"alias_kind":"pith_short_12","alias_value":"PGHTKL272WZG","created_at":"2026-07-05T02:26:55Z"},{"alias_kind":"pith_short_16","alias_value":"PGHTKL272WZGH2HT","created_at":"2026-07-05T02:26:55Z"},{"alias_kind":"pith_short_8","alias_value":"PGHTKL27","created_at":"2026-07-05T02:26:55Z"}],"graph_snapshots":[{"event_id":"sha256:1cc20ca93532a04a11f9fe9ad9b0a71345fefcf329781a032d9f3ec9af1fe44b","target":"graph","created_at":"2026-07-05T02:26:55Z","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/2101.12355/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"With the rise of deep learning, there has been increased interest in using neural networks for histopathology image analysis, a field that investigates the properties of biopsy or resected specimens traditionally manually examined under a microscope by pathologists. However, challenges such as limited data, costly annotation, and processing high-resolution and variable-size images make it difficult to quickly iterate over model designs. Throughout scientific history, many significant research directions have leveraged small-scale experimental setups as petri dishes to efficiently evaluate expl","authors_text":"Arief Suriawinata, Bing Ren, Charles Brown, Jason Wei, Jerry Wei, Lorenzo Torresani, Louis Vaickus, Michael Baker, Mikhail Lisovsky, Naofumi Tomita, Saeed Hassanpour, Xiaoying Liu","cross_cats":["cs.CV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2021-01-29T02:01:45Z","title":"A Petri Dish for Histopathology Image Analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.12355","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:ccd9fd26830ade3ef740cd765c8d0592b5a9795fbf87f48a77d96acfaa710544","target":"record","created_at":"2026-07-05T02:26:55Z","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":"f27f9f177bd4c3e5212b0ec3a5e5be167e7ceab7a00b84bf5b69110a6371c663","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2021-01-29T02:01:45Z","title_canon_sha256":"aa0cdb549fe834ec72688a4476c9f05c0b2ea091f6ff7165aa0865ca5605dbd9"},"schema_version":"1.0","source":{"id":"2101.12355","kind":"arxiv","version":2}},"canonical_sha256":"798f352f5fd5b263e8f3709b3df630ea6ee05fbde0a88d77d63e8a2a91ef9b58","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"798f352f5fd5b263e8f3709b3df630ea6ee05fbde0a88d77d63e8a2a91ef9b58","first_computed_at":"2026-07-05T02:26:55.205740Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:26:55.205740Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OPSChhnFC0eUpBjAWBxFyO3AWXTF4Y+CWs0ccKIKAXTYO5iA5yBOFty+C3xc3iP8LfkTrQq0DfFTFgZhKr3OBg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:26:55.206171Z","signed_message":"canonical_sha256_bytes"},"source_id":"2101.12355","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ccd9fd26830ade3ef740cd765c8d0592b5a9795fbf87f48a77d96acfaa710544","sha256:1cc20ca93532a04a11f9fe9ad9b0a71345fefcf329781a032d9f3ec9af1fe44b"],"state_sha256":"57c82c3faedb5bdf836a84b054eff0aa61e1883c44e5b825a4adef3a717dd47c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qi4bEbLbFw1jdniSCgdq9ho9pIDi245NDO2efTZx9jwtCeoU+ujQG0fLaou/kudlRDoRiZ8HVDThzzWVoUxTAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-21T09:28:12.353114Z","bundle_sha256":"d002534aa75bab7ecaa8c5eb8275089225953cbbeedcff560afd9102adade509"}}