{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:BESGCJDM5DTVHUWPDA7NNMJ7NH","short_pith_number":"pith:BESGCJDM","canonical_record":{"source":{"id":"1801.01402","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2018-01-04T15:26:24Z","cross_cats_sorted":[],"title_canon_sha256":"5a0aa784088838dacc5053dc2b267b53210a23f77d0da219e0bad5631978a9e0","abstract_canon_sha256":"c0a0518e2678f2645d28b446b904aa407a6908ec01202da735a3addf16136083"},"schema_version":"1.0"},"canonical_sha256":"092461246ce8e753d2cf183ed6b13f69ddb2cdf816f14dbf55531d734a714bb9","source":{"kind":"arxiv","id":"1801.01402","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.01402","created_at":"2026-05-18T00:26:42Z"},{"alias_kind":"arxiv_version","alias_value":"1801.01402v1","created_at":"2026-05-18T00:26:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.01402","created_at":"2026-05-18T00:26:42Z"},{"alias_kind":"pith_short_12","alias_value":"BESGCJDM5DTV","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"BESGCJDM5DTVHUWP","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"BESGCJDM","created_at":"2026-05-18T12:32:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:BESGCJDM5DTVHUWPDA7NNMJ7NH","target":"record","payload":{"canonical_record":{"source":{"id":"1801.01402","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2018-01-04T15:26:24Z","cross_cats_sorted":[],"title_canon_sha256":"5a0aa784088838dacc5053dc2b267b53210a23f77d0da219e0bad5631978a9e0","abstract_canon_sha256":"c0a0518e2678f2645d28b446b904aa407a6908ec01202da735a3addf16136083"},"schema_version":"1.0"},"canonical_sha256":"092461246ce8e753d2cf183ed6b13f69ddb2cdf816f14dbf55531d734a714bb9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:26:42.219512Z","signature_b64":"LyZvDKyhcwuCBuztJwvoYxYcz6kLg7vtLB5Iemjb1hGGfZlPFEFFnrrJRS9Vk651kbBT77FF5TPhvv8THVwwBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"092461246ce8e753d2cf183ed6b13f69ddb2cdf816f14dbf55531d734a714bb9","last_reissued_at":"2026-05-18T00:26:42.218959Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:26:42.218959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.01402","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:26:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zs7zTPs+1qKi+5LG/CoWnhnhi4XPX86CKNV7Cqpt0vcZE+ezqQhyU7lrDDyaQgavrb4vrHe45qtwYkxk54NNBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T20:25:38.105063Z"},"content_sha256":"ac56cec99701631dc0b49a8f3bd967684b40ca58ae279feada7667c5a2b2b2ab","schema_version":"1.0","event_id":"sha256:ac56cec99701631dc0b49a8f3bd967684b40ca58ae279feada7667c5a2b2b2ab"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:BESGCJDM5DTVHUWPDA7NNMJ7NH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A fully automated framework for lung tumour detection, segmentation and analysis","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Devesh Walawalkar","submitted_at":"2018-01-04T15:26:24Z","abstract_excerpt":"Early and correct diagnosis is a very important aspect of cancer treatment. Detection of tumour in Computed Tomography scan is a tedious and tricky task which requires expert knowledge and a lot of human working hours. As small human error is present in any work he does, it is possible that a CT scan could be misdiagnosed causing the patient to become terminal. This paper introduces a novel fully automated framework which helps to detect and segment tumour, if present in a lung CT scan series. It also provides useful analysis of the detected tumour such as its approximate volume, centre locati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.01402","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T00:26:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ryCtC4APmwsRrV1p/Rcs/xF3ucWYaxt/oCoG8D5mjQvkQ3b3Al44wLeRJeYcayKnGeD1KM64DhiFye4v6OO6Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T20:25:38.105855Z"},"content_sha256":"f65ec9f3008255709f3ca9ca46ce53d812dcf54bc0841f710b9d40afd929b7e2","schema_version":"1.0","event_id":"sha256:f65ec9f3008255709f3ca9ca46ce53d812dcf54bc0841f710b9d40afd929b7e2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BESGCJDM5DTVHUWPDA7NNMJ7NH/bundle.json","state_url":"https://pith.science/pith/BESGCJDM5DTVHUWPDA7NNMJ7NH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BESGCJDM5DTVHUWPDA7NNMJ7NH/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":"2026-06-05T20:25:38Z","links":{"resolver":"https://pith.science/pith/BESGCJDM5DTVHUWPDA7NNMJ7NH","bundle":"https://pith.science/pith/BESGCJDM5DTVHUWPDA7NNMJ7NH/bundle.json","state":"https://pith.science/pith/BESGCJDM5DTVHUWPDA7NNMJ7NH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BESGCJDM5DTVHUWPDA7NNMJ7NH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:BESGCJDM5DTVHUWPDA7NNMJ7NH","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":"c0a0518e2678f2645d28b446b904aa407a6908ec01202da735a3addf16136083","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2018-01-04T15:26:24Z","title_canon_sha256":"5a0aa784088838dacc5053dc2b267b53210a23f77d0da219e0bad5631978a9e0"},"schema_version":"1.0","source":{"id":"1801.01402","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.01402","created_at":"2026-05-18T00:26:42Z"},{"alias_kind":"arxiv_version","alias_value":"1801.01402v1","created_at":"2026-05-18T00:26:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.01402","created_at":"2026-05-18T00:26:42Z"},{"alias_kind":"pith_short_12","alias_value":"BESGCJDM5DTV","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"BESGCJDM5DTVHUWP","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"BESGCJDM","created_at":"2026-05-18T12:32:13Z"}],"graph_snapshots":[{"event_id":"sha256:f65ec9f3008255709f3ca9ca46ce53d812dcf54bc0841f710b9d40afd929b7e2","target":"graph","created_at":"2026-05-18T00:26:42Z","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"},"paper":{"abstract_excerpt":"Early and correct diagnosis is a very important aspect of cancer treatment. Detection of tumour in Computed Tomography scan is a tedious and tricky task which requires expert knowledge and a lot of human working hours. As small human error is present in any work he does, it is possible that a CT scan could be misdiagnosed causing the patient to become terminal. This paper introduces a novel fully automated framework which helps to detect and segment tumour, if present in a lung CT scan series. It also provides useful analysis of the detected tumour such as its approximate volume, centre locati","authors_text":"Devesh Walawalkar","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2018-01-04T15:26:24Z","title":"A fully automated framework for lung tumour detection, segmentation and analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.01402","kind":"arxiv","version":1},"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:ac56cec99701631dc0b49a8f3bd967684b40ca58ae279feada7667c5a2b2b2ab","target":"record","created_at":"2026-05-18T00:26:42Z","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":"c0a0518e2678f2645d28b446b904aa407a6908ec01202da735a3addf16136083","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2018-01-04T15:26:24Z","title_canon_sha256":"5a0aa784088838dacc5053dc2b267b53210a23f77d0da219e0bad5631978a9e0"},"schema_version":"1.0","source":{"id":"1801.01402","kind":"arxiv","version":1}},"canonical_sha256":"092461246ce8e753d2cf183ed6b13f69ddb2cdf816f14dbf55531d734a714bb9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"092461246ce8e753d2cf183ed6b13f69ddb2cdf816f14dbf55531d734a714bb9","first_computed_at":"2026-05-18T00:26:42.218959Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:26:42.218959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LyZvDKyhcwuCBuztJwvoYxYcz6kLg7vtLB5Iemjb1hGGfZlPFEFFnrrJRS9Vk651kbBT77FF5TPhvv8THVwwBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:26:42.219512Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.01402","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ac56cec99701631dc0b49a8f3bd967684b40ca58ae279feada7667c5a2b2b2ab","sha256:f65ec9f3008255709f3ca9ca46ce53d812dcf54bc0841f710b9d40afd929b7e2"],"state_sha256":"a6978582bebb608cbd93d7293a498a4968b23e5f4db253af2aa3851219e47cf8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t5ipDlfrX2hEYTbV2nK4CfRaQp1gq5G54qX9lZlAucuZclJB+P1z/1S5r5rRCk6dix/XjrRLF+1QAxI7FyG3Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T20:25:38.110332Z","bundle_sha256":"663c7f2cb66cf251b3a3ddea6e2516ea415d09615e7865cec1a589e8574079a8"}}