{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:VUJKK652X7AU2V2SLBD2DFOQUI","short_pith_number":"pith:VUJKK652","canonical_record":{"source":{"id":"2009.07036","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-09-13T03:32:37Z","cross_cats_sorted":[],"title_canon_sha256":"ba893e8ab1fd4f2b3220b8821ca33d676fe1e1cb24509c1a373ce764286c94d5","abstract_canon_sha256":"363365a61c76122be0417ce276b872365f76e1ca305845a02c26ad2774a5788e"},"schema_version":"1.0"},"canonical_sha256":"ad12a57bbabfc14d57525847a195d0a20220e3b031b06ee05040ba29fb8aab6d","source":{"kind":"arxiv","id":"2009.07036","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.07036","created_at":"2026-07-05T01:35:40Z"},{"alias_kind":"arxiv_version","alias_value":"2009.07036v1","created_at":"2026-07-05T01:35:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.07036","created_at":"2026-07-05T01:35:40Z"},{"alias_kind":"pith_short_12","alias_value":"VUJKK652X7AU","created_at":"2026-07-05T01:35:40Z"},{"alias_kind":"pith_short_16","alias_value":"VUJKK652X7AU2V2S","created_at":"2026-07-05T01:35:40Z"},{"alias_kind":"pith_short_8","alias_value":"VUJKK652","created_at":"2026-07-05T01:35:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:VUJKK652X7AU2V2SLBD2DFOQUI","target":"record","payload":{"canonical_record":{"source":{"id":"2009.07036","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-09-13T03:32:37Z","cross_cats_sorted":[],"title_canon_sha256":"ba893e8ab1fd4f2b3220b8821ca33d676fe1e1cb24509c1a373ce764286c94d5","abstract_canon_sha256":"363365a61c76122be0417ce276b872365f76e1ca305845a02c26ad2774a5788e"},"schema_version":"1.0"},"canonical_sha256":"ad12a57bbabfc14d57525847a195d0a20220e3b031b06ee05040ba29fb8aab6d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:35:40.223708Z","signature_b64":"CyxOBnpN0Qtu9nLetILMUJ91Kz86VtK7g55ngv3AT0jk3XQ7LxbnEWb9PguB5FVM+FqSdRY3t4UJjOJlW5yADQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad12a57bbabfc14d57525847a195d0a20220e3b031b06ee05040ba29fb8aab6d","last_reissued_at":"2026-07-05T01:35:40.223155Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:35:40.223155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2009.07036","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":"2026-07-05T01:35:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MhHsIrnBn0pfyNpIpVL63Xn8ZqHA+Jy+ltwBSChH5kXc+r5SXlCJq0h1M03H3BPVHafc/0AanEjBk7NsT06fDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-22T15:40:44.986196Z"},"content_sha256":"b97a8b9dc162c6b95988b4b8c65e220623fcedd33189b48b7c1a8141a3045e5d","schema_version":"1.0","event_id":"sha256:b97a8b9dc162c6b95988b4b8c65e220623fcedd33189b48b7c1a8141a3045e5d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:VUJKK652X7AU2V2SLBD2DFOQUI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"TCDesc: Learning Topology Consistent Descriptors for Image Matching","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Fanyang Meng, Honghu Pan, Nana Fan, Zhenyu He","submitted_at":"2020-09-13T03:32:37Z","abstract_excerpt":"The constraint of neighborhood consistency or local consistency is widely used for robust image matching. In this paper, we focus on learning neighborhood topology consistent descriptors (TCDesc), while former works of learning descriptors, such as HardNet and DSM, only consider point-to-point Euclidean distance among descriptors and totally neglect neighborhood information of descriptors. To learn topology consistent descriptors, first we propose the linear combination weights to depict the topological relationship between center descriptor and its kNN descriptors, where the difference betwee"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.07036","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/2009.07036/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":"2026-07-05T01:35:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yJyXQh2sNUsOEYFtBnmjI5XnwdKBARejcspUvuiQA20RDV1qDSgn/vdAThJr6c8jNWh4UjHZIXKaMhK8wsyUDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-22T15:40:44.986584Z"},"content_sha256":"253946a62ff81b660800010637ef6c003723bac8725bf6d90c2ec24148c9bdc6","schema_version":"1.0","event_id":"sha256:253946a62ff81b660800010637ef6c003723bac8725bf6d90c2ec24148c9bdc6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VUJKK652X7AU2V2SLBD2DFOQUI/bundle.json","state_url":"https://pith.science/pith/VUJKK652X7AU2V2SLBD2DFOQUI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VUJKK652X7AU2V2SLBD2DFOQUI/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":"2026-07-22T15:40:44Z","links":{"resolver":"https://pith.science/pith/VUJKK652X7AU2V2SLBD2DFOQUI","bundle":"https://pith.science/pith/VUJKK652X7AU2V2SLBD2DFOQUI/bundle.json","state":"https://pith.science/pith/VUJKK652X7AU2V2SLBD2DFOQUI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VUJKK652X7AU2V2SLBD2DFOQUI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:VUJKK652X7AU2V2SLBD2DFOQUI","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":"363365a61c76122be0417ce276b872365f76e1ca305845a02c26ad2774a5788e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-09-13T03:32:37Z","title_canon_sha256":"ba893e8ab1fd4f2b3220b8821ca33d676fe1e1cb24509c1a373ce764286c94d5"},"schema_version":"1.0","source":{"id":"2009.07036","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.07036","created_at":"2026-07-05T01:35:40Z"},{"alias_kind":"arxiv_version","alias_value":"2009.07036v1","created_at":"2026-07-05T01:35:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.07036","created_at":"2026-07-05T01:35:40Z"},{"alias_kind":"pith_short_12","alias_value":"VUJKK652X7AU","created_at":"2026-07-05T01:35:40Z"},{"alias_kind":"pith_short_16","alias_value":"VUJKK652X7AU2V2S","created_at":"2026-07-05T01:35:40Z"},{"alias_kind":"pith_short_8","alias_value":"VUJKK652","created_at":"2026-07-05T01:35:40Z"}],"graph_snapshots":[{"event_id":"sha256:253946a62ff81b660800010637ef6c003723bac8725bf6d90c2ec24148c9bdc6","target":"graph","created_at":"2026-07-05T01:35:40Z","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/2009.07036/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The constraint of neighborhood consistency or local consistency is widely used for robust image matching. In this paper, we focus on learning neighborhood topology consistent descriptors (TCDesc), while former works of learning descriptors, such as HardNet and DSM, only consider point-to-point Euclidean distance among descriptors and totally neglect neighborhood information of descriptors. To learn topology consistent descriptors, first we propose the linear combination weights to depict the topological relationship between center descriptor and its kNN descriptors, where the difference betwee","authors_text":"Fanyang Meng, Honghu Pan, Nana Fan, Zhenyu He","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-09-13T03:32:37Z","title":"TCDesc: Learning Topology Consistent Descriptors for Image Matching"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.07036","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:b97a8b9dc162c6b95988b4b8c65e220623fcedd33189b48b7c1a8141a3045e5d","target":"record","created_at":"2026-07-05T01:35:40Z","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":"363365a61c76122be0417ce276b872365f76e1ca305845a02c26ad2774a5788e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-09-13T03:32:37Z","title_canon_sha256":"ba893e8ab1fd4f2b3220b8821ca33d676fe1e1cb24509c1a373ce764286c94d5"},"schema_version":"1.0","source":{"id":"2009.07036","kind":"arxiv","version":1}},"canonical_sha256":"ad12a57bbabfc14d57525847a195d0a20220e3b031b06ee05040ba29fb8aab6d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad12a57bbabfc14d57525847a195d0a20220e3b031b06ee05040ba29fb8aab6d","first_computed_at":"2026-07-05T01:35:40.223155Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:35:40.223155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CyxOBnpN0Qtu9nLetILMUJ91Kz86VtK7g55ngv3AT0jk3XQ7LxbnEWb9PguB5FVM+FqSdRY3t4UJjOJlW5yADQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:35:40.223708Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.07036","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b97a8b9dc162c6b95988b4b8c65e220623fcedd33189b48b7c1a8141a3045e5d","sha256:253946a62ff81b660800010637ef6c003723bac8725bf6d90c2ec24148c9bdc6"],"state_sha256":"cd948390ee118981aab672a61c267dbd4a910e72cb83f733a96506cd60569c48"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"psd/o0Qyd92IzTMi52yYRpM+68LaN7ej3ltXBFmjlTOQ2oe1Sn4CeEhi44kJ2hjsRTj6xvAaydhm2NHf9Xj5Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-22T15:40:44.989239Z","bundle_sha256":"a338b1760688b244573af4ca1d85f2b989502dc3df48743c06ab66838a722b46"}}