{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:T7QK3RRMU5CQR4VD2KT72VHZ4B","short_pith_number":"pith:T7QK3RRM","canonical_record":{"source":{"id":"2004.11498","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-04-24T00:42:59Z","cross_cats_sorted":[],"title_canon_sha256":"c6145e94609e0be7346609aabf19f975814b1ef83f1b160fa16f4278b2ee5995","abstract_canon_sha256":"c5f460ab4d4fab50cb8b3206a4ef711710acbeeb117376f07a29256b13d41fb4"},"schema_version":"1.0"},"canonical_sha256":"9fe0adc62ca74508f2a3d2a7fd54f9e04a15dc03a0628c8bd349ddbd8fcad046","source":{"kind":"arxiv","id":"2004.11498","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.11498","created_at":"2026-07-05T03:40:18Z"},{"alias_kind":"arxiv_version","alias_value":"2004.11498v2","created_at":"2026-07-05T03:40:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.11498","created_at":"2026-07-05T03:40:18Z"},{"alias_kind":"pith_short_12","alias_value":"T7QK3RRMU5CQ","created_at":"2026-07-05T03:40:18Z"},{"alias_kind":"pith_short_16","alias_value":"T7QK3RRMU5CQR4VD","created_at":"2026-07-05T03:40:18Z"},{"alias_kind":"pith_short_8","alias_value":"T7QK3RRM","created_at":"2026-07-05T03:40:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:T7QK3RRMU5CQR4VD2KT72VHZ4B","target":"record","payload":{"canonical_record":{"source":{"id":"2004.11498","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-04-24T00:42:59Z","cross_cats_sorted":[],"title_canon_sha256":"c6145e94609e0be7346609aabf19f975814b1ef83f1b160fa16f4278b2ee5995","abstract_canon_sha256":"c5f460ab4d4fab50cb8b3206a4ef711710acbeeb117376f07a29256b13d41fb4"},"schema_version":"1.0"},"canonical_sha256":"9fe0adc62ca74508f2a3d2a7fd54f9e04a15dc03a0628c8bd349ddbd8fcad046","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:40:18.236742Z","signature_b64":"w/T6bZXtkk9EJ0lPwL0z+ApHNmR0XmNssbQ2kBQjYhdc/5yuDutv3XPqIXkwexsqtboJi1+KDJJfglRpPg1pAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9fe0adc62ca74508f2a3d2a7fd54f9e04a15dc03a0628c8bd349ddbd8fcad046","last_reissued_at":"2026-07-05T03:40:18.236395Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:40:18.236395Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2004.11498","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":"2026-07-05T03:40:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5UZY3liL2BWq4fMHHh8s2jxOyByqdaVrIJsgczpej4Hsc9Kqh4IFxX2d1zD0lkDc6eaxyOIu8gt+iH0M2yhSAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:21:13.600612Z"},"content_sha256":"cdbfde28aab57a123d5ed17756a28f0168a6966868fee3b3a8cba863d159696a","schema_version":"1.0","event_id":"sha256:cdbfde28aab57a123d5ed17756a28f0168a6966868fee3b3a8cba863d159696a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:T7QK3RRMU5CQR4VD2KT72VHZ4B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mining self-similarity: Label super-resolution with epitomic representations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Anthony Ortiz, Caleb Robinson, Nebojsa Jojic, Nikolay Malkin","submitted_at":"2020-04-24T00:42:59Z","abstract_excerpt":"We show that simple patch-based models, such as epitomes, can have superior performance to the current state of the art in semantic segmentation and label super-resolution, which uses deep convolutional neural networks. We derive a new training algorithm for epitomes which allows, for the first time, learning from very large data sets and derive a label super-resolution algorithm as a statistical inference algorithm over epitomic representations. We illustrate our methods on land cover mapping and medical image analysis tasks."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.11498","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/2004.11498/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":"2026-07-05T03:40:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0D9xXLW2iwMieJ4Ns2UR8tqnM/iyUoWgNemMYdDsPoH0+XRpfOc23jV5fJppvZJC/bILspk0iQY9u4VF92LRBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:21:13.601577Z"},"content_sha256":"76a74b18b92b6dd1d6415a4bc652e34f92daa76ed81d92ea6c74c14f91347cb6","schema_version":"1.0","event_id":"sha256:76a74b18b92b6dd1d6415a4bc652e34f92daa76ed81d92ea6c74c14f91347cb6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T7QK3RRMU5CQR4VD2KT72VHZ4B/bundle.json","state_url":"https://pith.science/pith/T7QK3RRMU5CQR4VD2KT72VHZ4B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T7QK3RRMU5CQR4VD2KT72VHZ4B/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":"2026-08-03T19:21:13Z","links":{"resolver":"https://pith.science/pith/T7QK3RRMU5CQR4VD2KT72VHZ4B","bundle":"https://pith.science/pith/T7QK3RRMU5CQR4VD2KT72VHZ4B/bundle.json","state":"https://pith.science/pith/T7QK3RRMU5CQR4VD2KT72VHZ4B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T7QK3RRMU5CQR4VD2KT72VHZ4B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:T7QK3RRMU5CQR4VD2KT72VHZ4B","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":"c5f460ab4d4fab50cb8b3206a4ef711710acbeeb117376f07a29256b13d41fb4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-04-24T00:42:59Z","title_canon_sha256":"c6145e94609e0be7346609aabf19f975814b1ef83f1b160fa16f4278b2ee5995"},"schema_version":"1.0","source":{"id":"2004.11498","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.11498","created_at":"2026-07-05T03:40:18Z"},{"alias_kind":"arxiv_version","alias_value":"2004.11498v2","created_at":"2026-07-05T03:40:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.11498","created_at":"2026-07-05T03:40:18Z"},{"alias_kind":"pith_short_12","alias_value":"T7QK3RRMU5CQ","created_at":"2026-07-05T03:40:18Z"},{"alias_kind":"pith_short_16","alias_value":"T7QK3RRMU5CQR4VD","created_at":"2026-07-05T03:40:18Z"},{"alias_kind":"pith_short_8","alias_value":"T7QK3RRM","created_at":"2026-07-05T03:40:18Z"}],"graph_snapshots":[{"event_id":"sha256:76a74b18b92b6dd1d6415a4bc652e34f92daa76ed81d92ea6c74c14f91347cb6","target":"graph","created_at":"2026-07-05T03:40:18Z","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/2004.11498/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We show that simple patch-based models, such as epitomes, can have superior performance to the current state of the art in semantic segmentation and label super-resolution, which uses deep convolutional neural networks. We derive a new training algorithm for epitomes which allows, for the first time, learning from very large data sets and derive a label super-resolution algorithm as a statistical inference algorithm over epitomic representations. We illustrate our methods on land cover mapping and medical image analysis tasks.","authors_text":"Anthony Ortiz, Caleb Robinson, Nebojsa Jojic, Nikolay Malkin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-04-24T00:42:59Z","title":"Mining self-similarity: Label super-resolution with epitomic representations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.11498","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:cdbfde28aab57a123d5ed17756a28f0168a6966868fee3b3a8cba863d159696a","target":"record","created_at":"2026-07-05T03:40:18Z","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":"c5f460ab4d4fab50cb8b3206a4ef711710acbeeb117376f07a29256b13d41fb4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-04-24T00:42:59Z","title_canon_sha256":"c6145e94609e0be7346609aabf19f975814b1ef83f1b160fa16f4278b2ee5995"},"schema_version":"1.0","source":{"id":"2004.11498","kind":"arxiv","version":2}},"canonical_sha256":"9fe0adc62ca74508f2a3d2a7fd54f9e04a15dc03a0628c8bd349ddbd8fcad046","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9fe0adc62ca74508f2a3d2a7fd54f9e04a15dc03a0628c8bd349ddbd8fcad046","first_computed_at":"2026-07-05T03:40:18.236395Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:40:18.236395Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"w/T6bZXtkk9EJ0lPwL0z+ApHNmR0XmNssbQ2kBQjYhdc/5yuDutv3XPqIXkwexsqtboJi1+KDJJfglRpPg1pAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:40:18.236742Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.11498","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cdbfde28aab57a123d5ed17756a28f0168a6966868fee3b3a8cba863d159696a","sha256:76a74b18b92b6dd1d6415a4bc652e34f92daa76ed81d92ea6c74c14f91347cb6"],"state_sha256":"7f88000b9522d49a322674f0dd4952814a2392d3c5863d370298f738f6c479fe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I8NCRv1XIIpBNh5srbgwGNHaJ4Mv5g1CKCqXQHXEfUyPT1THmxEDGTbOVEqH0GO+ojxiuQiHkPsUSVROdAWSBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T19:21:13.609257Z","bundle_sha256":"7f2868139da57dfb4aae823465dd31c2de901f6189ef6f331e1e9e8f75c31766"}}