{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:Q5H6GSYHRMWXMJ22EPS7UPQGTJ","short_pith_number":"pith:Q5H6GSYH","canonical_record":{"source":{"id":"2509.02597","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-08-29T15:16:35Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"92b347f6306aecef006454701937fe6070fd236d4f0aee102bfa3522f3a78c96","abstract_canon_sha256":"906cc7cbc85a193fb64c21f713b1ade6443e1eee6b32b6c93988b0d20cca67aa"},"schema_version":"1.0"},"canonical_sha256":"874fe34b078b2d76275a23e5fa3e069a6baab54a0e8a017cbaead0ea09da5a2f","source":{"kind":"arxiv","id":"2509.02597","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.02597","created_at":"2026-07-05T12:03:54Z"},{"alias_kind":"arxiv_version","alias_value":"2509.02597v1","created_at":"2026-07-05T12:03:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.02597","created_at":"2026-07-05T12:03:54Z"},{"alias_kind":"pith_short_12","alias_value":"Q5H6GSYHRMWX","created_at":"2026-07-05T12:03:54Z"},{"alias_kind":"pith_short_16","alias_value":"Q5H6GSYHRMWXMJ22","created_at":"2026-07-05T12:03:54Z"},{"alias_kind":"pith_short_8","alias_value":"Q5H6GSYH","created_at":"2026-07-05T12:03:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:Q5H6GSYHRMWXMJ22EPS7UPQGTJ","target":"record","payload":{"canonical_record":{"source":{"id":"2509.02597","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-08-29T15:16:35Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"92b347f6306aecef006454701937fe6070fd236d4f0aee102bfa3522f3a78c96","abstract_canon_sha256":"906cc7cbc85a193fb64c21f713b1ade6443e1eee6b32b6c93988b0d20cca67aa"},"schema_version":"1.0"},"canonical_sha256":"874fe34b078b2d76275a23e5fa3e069a6baab54a0e8a017cbaead0ea09da5a2f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:03:54.000672Z","signature_b64":"Ld1+0dwCvouyTaEDcqK62HQDhKJDPZC7DAHrAXNi6JjT9+TNm/lThDDiRGCOSJ9RMCYJ6n9mEu4q+nmWZ0/8AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"874fe34b078b2d76275a23e5fa3e069a6baab54a0e8a017cbaead0ea09da5a2f","last_reissued_at":"2026-07-05T12:03:54.000207Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:03:54.000207Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2509.02597","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":"2026-07-05T12:03:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YRi8y2fzySL+02X9y9av8eP85kgGny6HjlTpmIpVVlTilbd+kBokoBv6ZQCnqIWk+scxiaalVMn/WFGWvMfKAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T04:51:25.626949Z"},"content_sha256":"87840b6cc53838d50f5491818be56f0f9ac0d0198e963ccac0066afac8c72dc5","schema_version":"1.0","event_id":"sha256:87840b6cc53838d50f5491818be56f0f9ac0d0198e963ccac0066afac8c72dc5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:Q5H6GSYHRMWXMJ22EPS7UPQGTJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Solutions for Mitotic Figure Detection and Atypical Classification in MIDOG 2025","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"eess.IV","authors_text":"Hao Chen, Junlin Hou, Runtong Liu, Shuting Xu, Zhixuan Chen","submitted_at":"2025-08-29T15:16:35Z","abstract_excerpt":"Deep learning has driven significant advances in mitotic figure analysis within computational pathology. In this paper, we present our approach to the Mitosis Domain Generalization (MIDOG) 2025 Challenge, which consists of two distinct tasks, i.e., mitotic figure detection and atypical mitosis classification. For the mitotic figure detection task, we propose a two-stage detection-classification framework that first localizes candidate mitotic figures and subsequently refines the predictions using a dedicated classification module. For the atypical mitosis classification task, we employ an ense"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.02597","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2509.02597/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":"2026-07-05T12:03:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XMLkTi1qdQDhigOtO/lOVN58TezfHCSkv5ehkLcpUCfE93dVdkoE5ftBu/69LJ9odHUjJj3/7X4GNqJRoI4iAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T04:51:25.627452Z"},"content_sha256":"21ff294528fc493fd1748167074bb4571d264f0b09d3d9fde249180b8ef85a27","schema_version":"1.0","event_id":"sha256:21ff294528fc493fd1748167074bb4571d264f0b09d3d9fde249180b8ef85a27"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q5H6GSYHRMWXMJ22EPS7UPQGTJ/bundle.json","state_url":"https://pith.science/pith/Q5H6GSYHRMWXMJ22EPS7UPQGTJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q5H6GSYHRMWXMJ22EPS7UPQGTJ/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":"2026-08-07T04:51:25Z","links":{"resolver":"https://pith.science/pith/Q5H6GSYHRMWXMJ22EPS7UPQGTJ","bundle":"https://pith.science/pith/Q5H6GSYHRMWXMJ22EPS7UPQGTJ/bundle.json","state":"https://pith.science/pith/Q5H6GSYHRMWXMJ22EPS7UPQGTJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q5H6GSYHRMWXMJ22EPS7UPQGTJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:Q5H6GSYHRMWXMJ22EPS7UPQGTJ","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":"906cc7cbc85a193fb64c21f713b1ade6443e1eee6b32b6c93988b0d20cca67aa","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-08-29T15:16:35Z","title_canon_sha256":"92b347f6306aecef006454701937fe6070fd236d4f0aee102bfa3522f3a78c96"},"schema_version":"1.0","source":{"id":"2509.02597","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.02597","created_at":"2026-07-05T12:03:54Z"},{"alias_kind":"arxiv_version","alias_value":"2509.02597v1","created_at":"2026-07-05T12:03:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.02597","created_at":"2026-07-05T12:03:54Z"},{"alias_kind":"pith_short_12","alias_value":"Q5H6GSYHRMWX","created_at":"2026-07-05T12:03:54Z"},{"alias_kind":"pith_short_16","alias_value":"Q5H6GSYHRMWXMJ22","created_at":"2026-07-05T12:03:54Z"},{"alias_kind":"pith_short_8","alias_value":"Q5H6GSYH","created_at":"2026-07-05T12:03:54Z"}],"graph_snapshots":[{"event_id":"sha256:21ff294528fc493fd1748167074bb4571d264f0b09d3d9fde249180b8ef85a27","target":"graph","created_at":"2026-07-05T12:03:54Z","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/2509.02597/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Deep learning has driven significant advances in mitotic figure analysis within computational pathology. In this paper, we present our approach to the Mitosis Domain Generalization (MIDOG) 2025 Challenge, which consists of two distinct tasks, i.e., mitotic figure detection and atypical mitosis classification. For the mitotic figure detection task, we propose a two-stage detection-classification framework that first localizes candidate mitotic figures and subsequently refines the predictions using a dedicated classification module. For the atypical mitosis classification task, we employ an ense","authors_text":"Hao Chen, Junlin Hou, Runtong Liu, Shuting Xu, Zhixuan Chen","cross_cats":["cs.CV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-08-29T15:16:35Z","title":"Solutions for Mitotic Figure Detection and Atypical Classification in MIDOG 2025"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.02597","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":"sha256:87840b6cc53838d50f5491818be56f0f9ac0d0198e963ccac0066afac8c72dc5","target":"record","created_at":"2026-07-05T12:03:54Z","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":"906cc7cbc85a193fb64c21f713b1ade6443e1eee6b32b6c93988b0d20cca67aa","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-08-29T15:16:35Z","title_canon_sha256":"92b347f6306aecef006454701937fe6070fd236d4f0aee102bfa3522f3a78c96"},"schema_version":"1.0","source":{"id":"2509.02597","kind":"arxiv","version":1}},"canonical_sha256":"874fe34b078b2d76275a23e5fa3e069a6baab54a0e8a017cbaead0ea09da5a2f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"874fe34b078b2d76275a23e5fa3e069a6baab54a0e8a017cbaead0ea09da5a2f","first_computed_at":"2026-07-05T12:03:54.000207Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:03:54.000207Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ld1+0dwCvouyTaEDcqK62HQDhKJDPZC7DAHrAXNi6JjT9+TNm/lThDDiRGCOSJ9RMCYJ6n9mEu4q+nmWZ0/8AA==","signature_status":"signed_v1","signed_at":"2026-07-05T12:03:54.000672Z","signed_message":"canonical_sha256_bytes"},"source_id":"2509.02597","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:87840b6cc53838d50f5491818be56f0f9ac0d0198e963ccac0066afac8c72dc5","sha256:21ff294528fc493fd1748167074bb4571d264f0b09d3d9fde249180b8ef85a27"],"state_sha256":"5ab50e68a240243b338fa457f873f5510cd5d6f2a6e6215a4e195a03c4496473"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CYZu5limCrfLLf5jV3XCOTSrdnb11JLcN2nX/oRgFhEm8o1Ovd+NirOKixgXgu4Dz8faQvY5Dg+796wkU96yCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T04:51:25.632200Z","bundle_sha256":"66ebc76abe3c97e22612443080dd46ec3b70808dae3316887c37443dccaff4e9"}}