{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:7EPQ7SZRYJWLJPTNC6DRYZSHAX","short_pith_number":"pith:7EPQ7SZR","canonical_record":{"source":{"id":"1605.06417","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2016-05-20T16:07:41Z","cross_cats_sorted":[],"title_canon_sha256":"0c41e97c50d1e89ffc18c1bdc4bf0aeef2e3ff5a95f26d31745e39579ac45811","abstract_canon_sha256":"6e668cd7230d3a831acbc40d8371a620549935e3ba312660dc07db9c40123d0e"},"schema_version":"1.0"},"canonical_sha256":"f91f0fcb31c26cb4be6d17871c664705d4242eee4a7825741e91a05b47422489","source":{"kind":"arxiv","id":"1605.06417","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.06417","created_at":"2026-05-18T01:14:18Z"},{"alias_kind":"arxiv_version","alias_value":"1605.06417v1","created_at":"2026-05-18T01:14:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.06417","created_at":"2026-05-18T01:14:18Z"},{"alias_kind":"pith_short_12","alias_value":"7EPQ7SZRYJWL","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7EPQ7SZRYJWLJPTN","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7EPQ7SZR","created_at":"2026-05-18T12:30:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:7EPQ7SZRYJWLJPTNC6DRYZSHAX","target":"record","payload":{"canonical_record":{"source":{"id":"1605.06417","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2016-05-20T16:07:41Z","cross_cats_sorted":[],"title_canon_sha256":"0c41e97c50d1e89ffc18c1bdc4bf0aeef2e3ff5a95f26d31745e39579ac45811","abstract_canon_sha256":"6e668cd7230d3a831acbc40d8371a620549935e3ba312660dc07db9c40123d0e"},"schema_version":"1.0"},"canonical_sha256":"f91f0fcb31c26cb4be6d17871c664705d4242eee4a7825741e91a05b47422489","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:14:18.952749Z","signature_b64":"wtA7oPy428dzF/oYxmxk91k+zQE/aDXhbS5kI9yyvDXFeHJnNjVSXJezYogWcsjAAOEuVmP6gH5e/uHCuEimAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f91f0fcb31c26cb4be6d17871c664705d4242eee4a7825741e91a05b47422489","last_reissued_at":"2026-05-18T01:14:18.952104Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:14:18.952104Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.06417","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":"2026-05-18T01:14:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jOZURPMSNZTHuCXD4C/8c0KcLj2mnnKe0T28tDCqvM+PUNeferexTAqH+1gIPC9PTU1EkpoLwzoTf4ikG4VqDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T04:56:11.017272Z"},"content_sha256":"f3236f48b99551499f439bda87fc52f47ecbb98341c60577586f739688bcc77e","schema_version":"1.0","event_id":"sha256:f3236f48b99551499f439bda87fc52f47ecbb98341c60577586f739688bcc77e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:7EPQ7SZRYJWLJPTNC6DRYZSHAX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Shape Recognition by Bag of Skeleton-associated Contour Parts","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Dan Zeng, Wei Shen, Wenjing Gao, Xinggang Wang, Yuan Jiang","submitted_at":"2016-05-20T16:07:41Z","abstract_excerpt":"Contour and skeleton are two complementary representations for shape recognition. However combining them in a principal way is nontrivial, as they are generally abstracted by different structures (closed string vs graph), respectively. This paper aims at addressing the shape recognition problem by combining contour and skeleton according to the correspondence between them. The correspondence provides a straightforward way to associate skeletal information with a shape contour. More specifically, we propose a new shape descriptor. named Skeleton-associated Shape Context (SSC), which captures th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.06417","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":"2026-05-18T01:14:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"07mf1l3aVdw2Aqmewmi4M6uW13lGjeyVhXjkm8Up4HaVGGLhKryy0uU/OoB61loyjD8lJPhgkp0KlBBmXy6DAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T04:56:11.017634Z"},"content_sha256":"9fc5b97d7a9ffa92b533411dc16d99b3469369b02c099ae1c5736e60ed518a5d","schema_version":"1.0","event_id":"sha256:9fc5b97d7a9ffa92b533411dc16d99b3469369b02c099ae1c5736e60ed518a5d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7EPQ7SZRYJWLJPTNC6DRYZSHAX/bundle.json","state_url":"https://pith.science/pith/7EPQ7SZRYJWLJPTNC6DRYZSHAX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7EPQ7SZRYJWLJPTNC6DRYZSHAX/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":"2026-06-05T04:56:11Z","links":{"resolver":"https://pith.science/pith/7EPQ7SZRYJWLJPTNC6DRYZSHAX","bundle":"https://pith.science/pith/7EPQ7SZRYJWLJPTNC6DRYZSHAX/bundle.json","state":"https://pith.science/pith/7EPQ7SZRYJWLJPTNC6DRYZSHAX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7EPQ7SZRYJWLJPTNC6DRYZSHAX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:7EPQ7SZRYJWLJPTNC6DRYZSHAX","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":"6e668cd7230d3a831acbc40d8371a620549935e3ba312660dc07db9c40123d0e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2016-05-20T16:07:41Z","title_canon_sha256":"0c41e97c50d1e89ffc18c1bdc4bf0aeef2e3ff5a95f26d31745e39579ac45811"},"schema_version":"1.0","source":{"id":"1605.06417","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.06417","created_at":"2026-05-18T01:14:18Z"},{"alias_kind":"arxiv_version","alias_value":"1605.06417v1","created_at":"2026-05-18T01:14:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.06417","created_at":"2026-05-18T01:14:18Z"},{"alias_kind":"pith_short_12","alias_value":"7EPQ7SZRYJWL","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7EPQ7SZRYJWLJPTN","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7EPQ7SZR","created_at":"2026-05-18T12:30:04Z"}],"graph_snapshots":[{"event_id":"sha256:9fc5b97d7a9ffa92b533411dc16d99b3469369b02c099ae1c5736e60ed518a5d","target":"graph","created_at":"2026-05-18T01:14:18Z","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"},"paper":{"abstract_excerpt":"Contour and skeleton are two complementary representations for shape recognition. However combining them in a principal way is nontrivial, as they are generally abstracted by different structures (closed string vs graph), respectively. This paper aims at addressing the shape recognition problem by combining contour and skeleton according to the correspondence between them. The correspondence provides a straightforward way to associate skeletal information with a shape contour. More specifically, we propose a new shape descriptor. named Skeleton-associated Shape Context (SSC), which captures th","authors_text":"Dan Zeng, Wei Shen, Wenjing Gao, Xinggang Wang, Yuan Jiang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2016-05-20T16:07:41Z","title":"Shape Recognition by Bag of Skeleton-associated Contour Parts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.06417","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:f3236f48b99551499f439bda87fc52f47ecbb98341c60577586f739688bcc77e","target":"record","created_at":"2026-05-18T01:14:18Z","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":"6e668cd7230d3a831acbc40d8371a620549935e3ba312660dc07db9c40123d0e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2016-05-20T16:07:41Z","title_canon_sha256":"0c41e97c50d1e89ffc18c1bdc4bf0aeef2e3ff5a95f26d31745e39579ac45811"},"schema_version":"1.0","source":{"id":"1605.06417","kind":"arxiv","version":1}},"canonical_sha256":"f91f0fcb31c26cb4be6d17871c664705d4242eee4a7825741e91a05b47422489","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f91f0fcb31c26cb4be6d17871c664705d4242eee4a7825741e91a05b47422489","first_computed_at":"2026-05-18T01:14:18.952104Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:14:18.952104Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wtA7oPy428dzF/oYxmxk91k+zQE/aDXhbS5kI9yyvDXFeHJnNjVSXJezYogWcsjAAOEuVmP6gH5e/uHCuEimAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:14:18.952749Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.06417","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f3236f48b99551499f439bda87fc52f47ecbb98341c60577586f739688bcc77e","sha256:9fc5b97d7a9ffa92b533411dc16d99b3469369b02c099ae1c5736e60ed518a5d"],"state_sha256":"5fef82211820f5a0d4ef30b6f9075636dbf4090386909ebfd202c2e31d4e8a7c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JC3caqUKgoDOoPngeqzC6LGwLMOg6EsUvYqj4tXT3T+ZPLMDq5GzxW51gAZadYIditty+yh9KJXY9vOgZqURCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T04:56:11.019651Z","bundle_sha256":"a6a6f763b1ce68e3e4f3c94bf25dd21082c23e6e17585970645e7c14fb7092dd"}}