{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:RBAZDYGQLX4IRGWOQS7ZQPV5Y7","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":"f9d7b3bd43dd6893795798b41663eab944a74abde4566f6a0291e60b6482bb9f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2014-10-16T18:09:58Z","title_canon_sha256":"637dd53b2beb740991cebe7acdfe43e85aedfb8f98279cfd17c223b4a76fd2b9"},"schema_version":"1.0","source":{"id":"1410.4521","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.4521","created_at":"2026-05-18T02:39:55Z"},{"alias_kind":"arxiv_version","alias_value":"1410.4521v1","created_at":"2026-05-18T02:39:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.4521","created_at":"2026-05-18T02:39:55Z"},{"alias_kind":"pith_short_12","alias_value":"RBAZDYGQLX4I","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"RBAZDYGQLX4IRGWO","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"RBAZDYGQ","created_at":"2026-05-18T12:28:46Z"}],"graph_snapshots":[{"event_id":"sha256:bb2140179be89563f44d6cd94dbb889fd82d30d034268fee1d62a6c9cab82e14","target":"graph","created_at":"2026-05-18T02:39:55Z","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":"We frame the task of predicting a semantic labeling as a sparse reconstruction procedure that applies a target-specific learned transfer function to a generic deep sparse code representation of an image. This strategy partitions training into two distinct stages. First, in an unsupervised manner, we learn a set of generic dictionaries optimized for sparse coding of image patches. We train a multilayer representation via recursive sparse dictionary learning on pooled codes output by earlier layers. Second, we encode all training images with the generic dictionaries and learn a transfer function","authors_text":"Michael Maire, Pietro Perona, Stella X. Yu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2014-10-16T18:09:58Z","title":"Reconstructive Sparse Code Transfer for Contour Detection and Semantic Labeling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.4521","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:b11b2155204b5d3f43ddc45988c069fc2f3e67c6feb6f8cdb0ff46e702a04b9f","target":"record","created_at":"2026-05-18T02:39:55Z","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":"f9d7b3bd43dd6893795798b41663eab944a74abde4566f6a0291e60b6482bb9f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2014-10-16T18:09:58Z","title_canon_sha256":"637dd53b2beb740991cebe7acdfe43e85aedfb8f98279cfd17c223b4a76fd2b9"},"schema_version":"1.0","source":{"id":"1410.4521","kind":"arxiv","version":1}},"canonical_sha256":"884191e0d05df8889ace84bf983ebdc7dff2b571a97ce665b7cbfa93e677f9db","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"884191e0d05df8889ace84bf983ebdc7dff2b571a97ce665b7cbfa93e677f9db","first_computed_at":"2026-05-18T02:39:55.981578Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:39:55.981578Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"B55rscQ9/OTTlshxDnFLhcN2Xjt4bjliRu5OijWRHlChzGuwtnjbwYCkaPudHr9LNw5wbQp4AXnqT0dIwQQ6Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:39:55.982023Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.4521","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b11b2155204b5d3f43ddc45988c069fc2f3e67c6feb6f8cdb0ff46e702a04b9f","sha256:bb2140179be89563f44d6cd94dbb889fd82d30d034268fee1d62a6c9cab82e14"],"state_sha256":"f0c5b5c316bcc18a57c50b6b280c6fc6e5ab74f34e3ca76e93b513e003b0cddb"}