{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:TZX7U5JPLJVRLPBBJO2TMIRX2E","short_pith_number":"pith:TZX7U5JP","canonical_record":{"source":{"id":"1904.04429","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-09T02:35:03Z","cross_cats_sorted":[],"title_canon_sha256":"641add431d56527d5ae6f6c881e298a14054edd7c09331c94d1b6b6424eb807b","abstract_canon_sha256":"f9e62f0a89e301ce4b156d721ebcfe3880a45afcc86c09fdd8a796518ba36c83"},"schema_version":"1.0"},"canonical_sha256":"9e6ffa752f5a6b15bc214bb5362237d11fc002b5f6691619e7bec21b93a55186","source":{"kind":"arxiv","id":"1904.04429","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.04429","created_at":"2026-07-05T00:32:11Z"},{"alias_kind":"arxiv_version","alias_value":"1904.04429v2","created_at":"2026-07-05T00:32:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.04429","created_at":"2026-07-05T00:32:11Z"},{"alias_kind":"pith_short_12","alias_value":"TZX7U5JPLJVR","created_at":"2026-07-05T00:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"TZX7U5JPLJVRLPBB","created_at":"2026-07-05T00:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"TZX7U5JP","created_at":"2026-07-05T00:32:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:TZX7U5JPLJVRLPBBJO2TMIRX2E","target":"record","payload":{"canonical_record":{"source":{"id":"1904.04429","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-09T02:35:03Z","cross_cats_sorted":[],"title_canon_sha256":"641add431d56527d5ae6f6c881e298a14054edd7c09331c94d1b6b6424eb807b","abstract_canon_sha256":"f9e62f0a89e301ce4b156d721ebcfe3880a45afcc86c09fdd8a796518ba36c83"},"schema_version":"1.0"},"canonical_sha256":"9e6ffa752f5a6b15bc214bb5362237d11fc002b5f6691619e7bec21b93a55186","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:32:11.965935Z","signature_b64":"xlTJOdS9dTfH4o1Ojk0u9sD+zCdY1wluiebVc2W5L2V2R5NjT0EzJjO0vQFUrScKywYL/E5rEFJ2ws6nZh+KAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9e6ffa752f5a6b15bc214bb5362237d11fc002b5f6691619e7bec21b93a55186","last_reissued_at":"2026-07-05T00:32:11.965500Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:32:11.965500Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.04429","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":"2026-07-05T00:32:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8jy7oIRF2J9cRCZDhaIZMd9uDvQw+kELKFRgB5QZgJpyydHHtjnxave8J3tBudYNYCYzio8AZ4bRqB7CxufICw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T23:19:30.735512Z"},"content_sha256":"97a8a57a63a882259df9fa438e18d82e1d708ca72d236af32be806d809df9cca","schema_version":"1.0","event_id":"sha256:97a8a57a63a882259df9fa438e18d82e1d708ca72d236af32be806d809df9cca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:TZX7U5JPLJVRLPBBJO2TMIRX2E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Label Super Resolution with Inter-Instance Loss","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Danielle Fassler, Dimitris Samaras, Han Le, Joel Saltz, Kolya Malkin, Le Hou, Maozheng Zhao, Nebojsa Jojic, Rajarsi Gupta, Shroyer Kenneth, Tahsin Kurc","submitted_at":"2019-04-09T02:35:03Z","abstract_excerpt":"For the task of semantic segmentation, high-resolution (pixel-level) ground truth is very expensive to collect, especially for high resolution images such as gigapixel pathology images. On the other hand, collecting low resolution labels (labels for a block of pixels) for these high resolution images is much more cost efficient. Conventional methods trained on these low-resolution labels are only capable of giving low-resolution predictions. The existing state-of-the-art label super resolution (LSR) method is capable of predicting high resolution labels, using only low-resolution supervision, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.04429","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/1904.04429/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":"2026-07-05T00:32:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/tbVJdAt2VRwvFBd1vNIse69lycOUnX82k6HO4in93sOYF9zikHe/LlK0QwO03uMiIBaMtzWEYnBzLhmQ23cDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T23:19:30.736058Z"},"content_sha256":"91bd1f51a0b02fc40ef909b49aa7ebae5234867c8b61e4f7f2b1ada2ae4e3eb6","schema_version":"1.0","event_id":"sha256:91bd1f51a0b02fc40ef909b49aa7ebae5234867c8b61e4f7f2b1ada2ae4e3eb6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TZX7U5JPLJVRLPBBJO2TMIRX2E/bundle.json","state_url":"https://pith.science/pith/TZX7U5JPLJVRLPBBJO2TMIRX2E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TZX7U5JPLJVRLPBBJO2TMIRX2E/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":"2026-08-14T23:19:30Z","links":{"resolver":"https://pith.science/pith/TZX7U5JPLJVRLPBBJO2TMIRX2E","bundle":"https://pith.science/pith/TZX7U5JPLJVRLPBBJO2TMIRX2E/bundle.json","state":"https://pith.science/pith/TZX7U5JPLJVRLPBBJO2TMIRX2E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TZX7U5JPLJVRLPBBJO2TMIRX2E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:TZX7U5JPLJVRLPBBJO2TMIRX2E","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":"f9e62f0a89e301ce4b156d721ebcfe3880a45afcc86c09fdd8a796518ba36c83","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-09T02:35:03Z","title_canon_sha256":"641add431d56527d5ae6f6c881e298a14054edd7c09331c94d1b6b6424eb807b"},"schema_version":"1.0","source":{"id":"1904.04429","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.04429","created_at":"2026-07-05T00:32:11Z"},{"alias_kind":"arxiv_version","alias_value":"1904.04429v2","created_at":"2026-07-05T00:32:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.04429","created_at":"2026-07-05T00:32:11Z"},{"alias_kind":"pith_short_12","alias_value":"TZX7U5JPLJVR","created_at":"2026-07-05T00:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"TZX7U5JPLJVRLPBB","created_at":"2026-07-05T00:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"TZX7U5JP","created_at":"2026-07-05T00:32:11Z"}],"graph_snapshots":[{"event_id":"sha256:91bd1f51a0b02fc40ef909b49aa7ebae5234867c8b61e4f7f2b1ada2ae4e3eb6","target":"graph","created_at":"2026-07-05T00:32:11Z","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/1904.04429/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"For the task of semantic segmentation, high-resolution (pixel-level) ground truth is very expensive to collect, especially for high resolution images such as gigapixel pathology images. On the other hand, collecting low resolution labels (labels for a block of pixels) for these high resolution images is much more cost efficient. Conventional methods trained on these low-resolution labels are only capable of giving low-resolution predictions. The existing state-of-the-art label super resolution (LSR) method is capable of predicting high resolution labels, using only low-resolution supervision, ","authors_text":"Danielle Fassler, Dimitris Samaras, Han Le, Joel Saltz, Kolya Malkin, Le Hou, Maozheng Zhao, Nebojsa Jojic, Rajarsi Gupta, Shroyer Kenneth, Tahsin Kurc","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-09T02:35:03Z","title":"Label Super Resolution with Inter-Instance Loss"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.04429","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":"sha256:97a8a57a63a882259df9fa438e18d82e1d708ca72d236af32be806d809df9cca","target":"record","created_at":"2026-07-05T00:32:11Z","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":"f9e62f0a89e301ce4b156d721ebcfe3880a45afcc86c09fdd8a796518ba36c83","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-09T02:35:03Z","title_canon_sha256":"641add431d56527d5ae6f6c881e298a14054edd7c09331c94d1b6b6424eb807b"},"schema_version":"1.0","source":{"id":"1904.04429","kind":"arxiv","version":2}},"canonical_sha256":"9e6ffa752f5a6b15bc214bb5362237d11fc002b5f6691619e7bec21b93a55186","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9e6ffa752f5a6b15bc214bb5362237d11fc002b5f6691619e7bec21b93a55186","first_computed_at":"2026-07-05T00:32:11.965500Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:32:11.965500Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xlTJOdS9dTfH4o1Ojk0u9sD+zCdY1wluiebVc2W5L2V2R5NjT0EzJjO0vQFUrScKywYL/E5rEFJ2ws6nZh+KAw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:32:11.965935Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.04429","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:97a8a57a63a882259df9fa438e18d82e1d708ca72d236af32be806d809df9cca","sha256:91bd1f51a0b02fc40ef909b49aa7ebae5234867c8b61e4f7f2b1ada2ae4e3eb6"],"state_sha256":"8790455cabe93dc881b7785849683c684eec8feef0ef5b6ea8ffea292859149a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nrlV8lMpk/oF8Q4N8GdbiNvUv6naQV5hwEi/BiiEpkLyUo0TpAVfdr+qm3gNtgga4BC/50bWk67wqtHeZqaVCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T23:19:30.742437Z","bundle_sha256":"0d3c3028db5a30f975b7b29fba54d855342e5e8df9905c95ff1bda3ecb87d4c5"}}