{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:QKAQNR5OX7IJR74PIBK6WDMD5O","short_pith_number":"pith:QKAQNR5O","canonical_record":{"source":{"id":"1502.00652","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-02-02T21:20:43Z","cross_cats_sorted":[],"title_canon_sha256":"ab6b718fe011fac66b48f80ddd2b7f282429a4c840876db613915de954ed2a3b","abstract_canon_sha256":"41dfb6372c03a19dad4805541c504d5d34b85b4f7d537d2fc4d60cf02b3e0c0b"},"schema_version":"1.0"},"canonical_sha256":"828106c7aebfd098ff8f4055eb0d83eb8e6e0bd17486efa809c10b9d4e07bf7a","source":{"kind":"arxiv","id":"1502.00652","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.00652","created_at":"2026-05-18T02:28:04Z"},{"alias_kind":"arxiv_version","alias_value":"1502.00652v1","created_at":"2026-05-18T02:28:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.00652","created_at":"2026-05-18T02:28:04Z"},{"alias_kind":"pith_short_12","alias_value":"QKAQNR5OX7IJ","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"QKAQNR5OX7IJR74P","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"QKAQNR5O","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:QKAQNR5OX7IJR74PIBK6WDMD5O","target":"record","payload":{"canonical_record":{"source":{"id":"1502.00652","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-02-02T21:20:43Z","cross_cats_sorted":[],"title_canon_sha256":"ab6b718fe011fac66b48f80ddd2b7f282429a4c840876db613915de954ed2a3b","abstract_canon_sha256":"41dfb6372c03a19dad4805541c504d5d34b85b4f7d537d2fc4d60cf02b3e0c0b"},"schema_version":"1.0"},"canonical_sha256":"828106c7aebfd098ff8f4055eb0d83eb8e6e0bd17486efa809c10b9d4e07bf7a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:28:04.655377Z","signature_b64":"u51fSeo/hXi28Y9tMwPNpBEH02nb3fh+UyF5I4F+AToziAG8DngGnWlzta1q5KVsWNOwYdqULus/i2P/LNA2Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"828106c7aebfd098ff8f4055eb0d83eb8e6e0bd17486efa809c10b9d4e07bf7a","last_reissued_at":"2026-05-18T02:28:04.654981Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:28:04.654981Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.00652","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":"2026-05-18T02:28:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/GGdwAtgzSG3WF2U96gp2rouMwZ6efc7g9vCsXSJiKRxLXoM0/kteH+FUhidC4tiASRNur9nVYRLiMIZ/7q1Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T08:47:01.181609Z"},"content_sha256":"748cf9888950bf1bc3cc0920a42f14d584f3c0bbfc27ca48ade4b3ca089ce3fd","schema_version":"1.0","event_id":"sha256:748cf9888950bf1bc3cc0920a42f14d584f3c0bbfc27ca48ade4b3ca089ce3fd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:QKAQNR5OX7IJR74PIBK6WDMD5O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Learning the Matching Function","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Christian H\\\"ane, Marc Pollefeys, \\v{L}ubor Ladick\\'y","submitted_at":"2015-02-02T21:20:43Z","abstract_excerpt":"The matching function for the problem of stereo reconstruction or optical flow has been traditionally designed as a function of the distance between the features describing matched pixels. This approach works under assumption, that the appearance of pixels in two stereo cameras or in two consecutive video frames does not change dramatically. However, this might not be the case, if we try to match pixels over a large interval of time.\n  In this paper we propose a method, which learns the matching function, that automatically finds the space of allowed changes in visual appearance, such as due t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.00652","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":"2026-05-18T02:28:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"La8lKgZDyqE980ZSkMi9i5d0ZOLj+okouUsViQsfc48/U3wGxwyqVYtXx89p4Xxuqc54RW13cxunUNQX1PTIAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T08:47:01.181950Z"},"content_sha256":"26cf199d6deb4655caf25c92b6a782ff5766bfb4325c0e16cf408bec8be303fa","schema_version":"1.0","event_id":"sha256:26cf199d6deb4655caf25c92b6a782ff5766bfb4325c0e16cf408bec8be303fa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QKAQNR5OX7IJR74PIBK6WDMD5O/bundle.json","state_url":"https://pith.science/pith/QKAQNR5OX7IJR74PIBK6WDMD5O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QKAQNR5OX7IJR74PIBK6WDMD5O/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":"2026-06-12T08:47:01Z","links":{"resolver":"https://pith.science/pith/QKAQNR5OX7IJR74PIBK6WDMD5O","bundle":"https://pith.science/pith/QKAQNR5OX7IJR74PIBK6WDMD5O/bundle.json","state":"https://pith.science/pith/QKAQNR5OX7IJR74PIBK6WDMD5O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QKAQNR5OX7IJR74PIBK6WDMD5O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:QKAQNR5OX7IJR74PIBK6WDMD5O","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":"41dfb6372c03a19dad4805541c504d5d34b85b4f7d537d2fc4d60cf02b3e0c0b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-02-02T21:20:43Z","title_canon_sha256":"ab6b718fe011fac66b48f80ddd2b7f282429a4c840876db613915de954ed2a3b"},"schema_version":"1.0","source":{"id":"1502.00652","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.00652","created_at":"2026-05-18T02:28:04Z"},{"alias_kind":"arxiv_version","alias_value":"1502.00652v1","created_at":"2026-05-18T02:28:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.00652","created_at":"2026-05-18T02:28:04Z"},{"alias_kind":"pith_short_12","alias_value":"QKAQNR5OX7IJ","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"QKAQNR5OX7IJR74P","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"QKAQNR5O","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:26cf199d6deb4655caf25c92b6a782ff5766bfb4325c0e16cf408bec8be303fa","target":"graph","created_at":"2026-05-18T02:28:04Z","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":"The matching function for the problem of stereo reconstruction or optical flow has been traditionally designed as a function of the distance between the features describing matched pixels. This approach works under assumption, that the appearance of pixels in two stereo cameras or in two consecutive video frames does not change dramatically. However, this might not be the case, if we try to match pixels over a large interval of time.\n  In this paper we propose a method, which learns the matching function, that automatically finds the space of allowed changes in visual appearance, such as due t","authors_text":"Christian H\\\"ane, Marc Pollefeys, \\v{L}ubor Ladick\\'y","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-02-02T21:20:43Z","title":"Learning the Matching Function"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.00652","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":"sha256:748cf9888950bf1bc3cc0920a42f14d584f3c0bbfc27ca48ade4b3ca089ce3fd","target":"record","created_at":"2026-05-18T02:28:04Z","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":"41dfb6372c03a19dad4805541c504d5d34b85b4f7d537d2fc4d60cf02b3e0c0b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2015-02-02T21:20:43Z","title_canon_sha256":"ab6b718fe011fac66b48f80ddd2b7f282429a4c840876db613915de954ed2a3b"},"schema_version":"1.0","source":{"id":"1502.00652","kind":"arxiv","version":1}},"canonical_sha256":"828106c7aebfd098ff8f4055eb0d83eb8e6e0bd17486efa809c10b9d4e07bf7a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"828106c7aebfd098ff8f4055eb0d83eb8e6e0bd17486efa809c10b9d4e07bf7a","first_computed_at":"2026-05-18T02:28:04.654981Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:28:04.654981Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u51fSeo/hXi28Y9tMwPNpBEH02nb3fh+UyF5I4F+AToziAG8DngGnWlzta1q5KVsWNOwYdqULus/i2P/LNA2Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:28:04.655377Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.00652","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:748cf9888950bf1bc3cc0920a42f14d584f3c0bbfc27ca48ade4b3ca089ce3fd","sha256:26cf199d6deb4655caf25c92b6a782ff5766bfb4325c0e16cf408bec8be303fa"],"state_sha256":"400b5c8274f7af0c98e6fbad8f0d18f81729a91d6438df927d503d987f10be0a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mIxpytS1/pllR6bz9xZVnZpWevEeKqF0QkFlUowhmUE71Fd0x3tNJ0PrTotkWASaNjTdWJ+9xW50fK491s8MBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T08:47:01.183851Z","bundle_sha256":"526f78575e098a6b075e7f21c15458cb9be54e90bfdf448c9132711f8de90043"}}