{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:GXDW4A6DXOT4EMXEPZGZETOHTX","short_pith_number":"pith:GXDW4A6D","canonical_record":{"source":{"id":"1906.00590","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-06-03T06:18:30Z","cross_cats_sorted":[],"title_canon_sha256":"11c3b5859710201001362b05643d9e1e4026eb38d718b06199ebd369233f13e5","abstract_canon_sha256":"6cb1e258f526a2e122623bcae09ce6c22925bbe093c7e458c1ec2e0e64b3a3ef"},"schema_version":"1.0"},"canonical_sha256":"35c76e03c3bba7c232e47e4d924dc79df2e99adeab35dcf52508809be51e704a","source":{"kind":"arxiv","id":"1906.00590","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.00590","created_at":"2026-05-17T23:44:24Z"},{"alias_kind":"arxiv_version","alias_value":"1906.00590v1","created_at":"2026-05-17T23:44:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.00590","created_at":"2026-05-17T23:44:24Z"},{"alias_kind":"pith_short_12","alias_value":"GXDW4A6DXOT4","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"GXDW4A6DXOT4EMXE","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"GXDW4A6D","created_at":"2026-05-18T12:33:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:GXDW4A6DXOT4EMXEPZGZETOHTX","target":"record","payload":{"canonical_record":{"source":{"id":"1906.00590","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-06-03T06:18:30Z","cross_cats_sorted":[],"title_canon_sha256":"11c3b5859710201001362b05643d9e1e4026eb38d718b06199ebd369233f13e5","abstract_canon_sha256":"6cb1e258f526a2e122623bcae09ce6c22925bbe093c7e458c1ec2e0e64b3a3ef"},"schema_version":"1.0"},"canonical_sha256":"35c76e03c3bba7c232e47e4d924dc79df2e99adeab35dcf52508809be51e704a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:44:24.425466Z","signature_b64":"Hxm2mMhfEGQQ5eRqLzusx/edsCMkLqxSJZZf7xgODoyXPcJcR4wbP8LGj/Un4+Gf4RU1RNS9GWxShsHHGO97AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"35c76e03c3bba7c232e47e4d924dc79df2e99adeab35dcf52508809be51e704a","last_reissued_at":"2026-05-17T23:44:24.424822Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:44:24.424822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.00590","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":"2026-05-17T23:44:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e4zc4Qhr6FE3vLfZOSQQ7npL5qWN4F0u2lNfXR54D1eJUkCmNeuFN7o7n44I8NcFaZAEWG8nqxitwkBRD+BZAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T23:26:18.426295Z"},"content_sha256":"64519adebd5cdca9722baafbccfe21ba312a003c9822e534050b837d7f0e1e59","schema_version":"1.0","event_id":"sha256:64519adebd5cdca9722baafbccfe21ba312a003c9822e534050b837d7f0e1e59"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:GXDW4A6DXOT4EMXEPZGZETOHTX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Panoptic Edge Detection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Jiashi Feng, Yingtian Zou, Yuan Hu","submitted_at":"2019-06-03T06:18:30Z","abstract_excerpt":"Pursuing more complete and coherent scene understanding towards realistic vision applications drives edge detection from category-agnostic to category-aware semantic level. However, finer delineation of instance-level boundaries still remains unexcavated. In this work, we address a new finer-grained task, termed panoptic edge detection (PED), which aims at predicting semantic-level boundaries for stuff categories and instance-level boundaries for instance categories, in order to provide more comprehensive and unified scene understanding from the perspective of edges.We then propose a versatile"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.00590","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":"2026-05-17T23:44:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1LhSBk7xCQlyW9fWgHu/eSBC/wRA4d0kPxRemqXCPVa70tA99O9QC9ruCM8eO9AEG4R5GJxxuBwUjTI4WuBoAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T23:26:18.426816Z"},"content_sha256":"ff1f370a459f286acc1e5d9337d409b964fe70790d31ebac1b6f966d795f2ec8","schema_version":"1.0","event_id":"sha256:ff1f370a459f286acc1e5d9337d409b964fe70790d31ebac1b6f966d795f2ec8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GXDW4A6DXOT4EMXEPZGZETOHTX/bundle.json","state_url":"https://pith.science/pith/GXDW4A6DXOT4EMXEPZGZETOHTX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GXDW4A6DXOT4EMXEPZGZETOHTX/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":"2026-08-16T23:26:18Z","links":{"resolver":"https://pith.science/pith/GXDW4A6DXOT4EMXEPZGZETOHTX","bundle":"https://pith.science/pith/GXDW4A6DXOT4EMXEPZGZETOHTX/bundle.json","state":"https://pith.science/pith/GXDW4A6DXOT4EMXEPZGZETOHTX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GXDW4A6DXOT4EMXEPZGZETOHTX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:GXDW4A6DXOT4EMXEPZGZETOHTX","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":"6cb1e258f526a2e122623bcae09ce6c22925bbe093c7e458c1ec2e0e64b3a3ef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-06-03T06:18:30Z","title_canon_sha256":"11c3b5859710201001362b05643d9e1e4026eb38d718b06199ebd369233f13e5"},"schema_version":"1.0","source":{"id":"1906.00590","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.00590","created_at":"2026-05-17T23:44:24Z"},{"alias_kind":"arxiv_version","alias_value":"1906.00590v1","created_at":"2026-05-17T23:44:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.00590","created_at":"2026-05-17T23:44:24Z"},{"alias_kind":"pith_short_12","alias_value":"GXDW4A6DXOT4","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"GXDW4A6DXOT4EMXE","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"GXDW4A6D","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:ff1f370a459f286acc1e5d9337d409b964fe70790d31ebac1b6f966d795f2ec8","target":"graph","created_at":"2026-05-17T23:44:24Z","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":"Pursuing more complete and coherent scene understanding towards realistic vision applications drives edge detection from category-agnostic to category-aware semantic level. However, finer delineation of instance-level boundaries still remains unexcavated. In this work, we address a new finer-grained task, termed panoptic edge detection (PED), which aims at predicting semantic-level boundaries for stuff categories and instance-level boundaries for instance categories, in order to provide more comprehensive and unified scene understanding from the perspective of edges.We then propose a versatile","authors_text":"Jiashi Feng, Yingtian Zou, Yuan Hu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-06-03T06:18:30Z","title":"Panoptic Edge Detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.00590","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":"sha256:64519adebd5cdca9722baafbccfe21ba312a003c9822e534050b837d7f0e1e59","target":"record","created_at":"2026-05-17T23:44:24Z","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":"6cb1e258f526a2e122623bcae09ce6c22925bbe093c7e458c1ec2e0e64b3a3ef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-06-03T06:18:30Z","title_canon_sha256":"11c3b5859710201001362b05643d9e1e4026eb38d718b06199ebd369233f13e5"},"schema_version":"1.0","source":{"id":"1906.00590","kind":"arxiv","version":1}},"canonical_sha256":"35c76e03c3bba7c232e47e4d924dc79df2e99adeab35dcf52508809be51e704a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"35c76e03c3bba7c232e47e4d924dc79df2e99adeab35dcf52508809be51e704a","first_computed_at":"2026-05-17T23:44:24.424822Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:44:24.424822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Hxm2mMhfEGQQ5eRqLzusx/edsCMkLqxSJZZf7xgODoyXPcJcR4wbP8LGj/Un4+Gf4RU1RNS9GWxShsHHGO97AQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:44:24.425466Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.00590","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:64519adebd5cdca9722baafbccfe21ba312a003c9822e534050b837d7f0e1e59","sha256:ff1f370a459f286acc1e5d9337d409b964fe70790d31ebac1b6f966d795f2ec8"],"state_sha256":"b6173f723d758c21353a58ee9ff994777b476680e47b2e9016d70b862935faad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"//MelFJK0+22Mh/4riIHivKbD4SjKYnOKdY75LjjWu6IYUfTRitijPhmhh77hWfJz6f01bFTV23Wru8IgzDVBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T23:26:18.431949Z","bundle_sha256":"6397c5ccbc2dc0a8c39dcd8a470a242614490ae574219f60fa59cb4cf8d055bb"}}