{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:EDDNAQLFLZERV6F4PI4QBLRHZQ","short_pith_number":"pith:EDDNAQLF","canonical_record":{"source":{"id":"2107.14428","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2021-07-30T04:50:56Z","cross_cats_sorted":[],"title_canon_sha256":"b4cada54e1f6476f2b9f5ad769b7cfba2a871ddc32f5a38127e9583c2308000d","abstract_canon_sha256":"dbde7a52e6670df7c20c3ed610a46d61a1d14ab737d05c0269246b0851c0027b"},"schema_version":"1.0"},"canonical_sha256":"20c6d041655e491af8bc7a3900ae27cc2e8f4f89b6accd75c0807426dbbac763","source":{"kind":"arxiv","id":"2107.14428","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.14428","created_at":"2026-07-05T03:02:00Z"},{"alias_kind":"arxiv_version","alias_value":"2107.14428v1","created_at":"2026-07-05T03:02:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.14428","created_at":"2026-07-05T03:02:00Z"},{"alias_kind":"pith_short_12","alias_value":"EDDNAQLFLZER","created_at":"2026-07-05T03:02:00Z"},{"alias_kind":"pith_short_16","alias_value":"EDDNAQLFLZERV6F4","created_at":"2026-07-05T03:02:00Z"},{"alias_kind":"pith_short_8","alias_value":"EDDNAQLF","created_at":"2026-07-05T03:02:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:EDDNAQLFLZERV6F4PI4QBLRHZQ","target":"record","payload":{"canonical_record":{"source":{"id":"2107.14428","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2021-07-30T04:50:56Z","cross_cats_sorted":[],"title_canon_sha256":"b4cada54e1f6476f2b9f5ad769b7cfba2a871ddc32f5a38127e9583c2308000d","abstract_canon_sha256":"dbde7a52e6670df7c20c3ed610a46d61a1d14ab737d05c0269246b0851c0027b"},"schema_version":"1.0"},"canonical_sha256":"20c6d041655e491af8bc7a3900ae27cc2e8f4f89b6accd75c0807426dbbac763","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:02:00.167007Z","signature_b64":"JRi1tBNXQ2s5Z79pXtAfvLHC42faR4QSbIBBRFPcLooH7Q00iaBwNCV72Njsf6kpMM5BdsiZE1YrWVGgAv1+Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"20c6d041655e491af8bc7a3900ae27cc2e8f4f89b6accd75c0807426dbbac763","last_reissued_at":"2026-07-05T03:02:00.166658Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:02:00.166658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.14428","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":"2026-07-05T03:02:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j8tl6tX4a/8MX2oKrEafm5+hjV244OYHjXbnNiBpSe+mQFDT2XSGdM8emY4T7oM2QBewqV1kEGlrGJQOuXt4Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:55:35.077721Z"},"content_sha256":"09abc156ed2e8978db06aceb7b3e823f9a6a42dc903b71ac82cb2f6d61de4abc","schema_version":"1.0","event_id":"sha256:09abc156ed2e8978db06aceb7b3e823f9a6a42dc903b71ac82cb2f6d61de4abc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:EDDNAQLFLZERV6F4PI4QBLRHZQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamic Neural Representational Decoders for High-Resolution Semantic Segmentation","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Bowen Zhang, Chunhua Shen, Yifan Liu, Zhi Tian","submitted_at":"2021-07-30T04:50:56Z","abstract_excerpt":"Semantic segmentation requires per-pixel prediction for a given image. Typically, the output resolution of a segmentation network is severely reduced due to the downsampling operations in the CNN backbone. Most previous methods employ upsampling decoders to recover the spatial resolution. Various decoders were designed in the literature. Here, we propose a novel decoder, termed dynamic neural representational decoder (NRD), which is simple yet significantly more efficient. As each location on the encoder's output corresponds to a local patch of the semantic labels, in this work, we represent t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.14428","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/2107.14428/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":"2026-07-05T03:02:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xb+jmq/UcynA8ZcO1V1Im8RkfBaBm58PDWUS7Cuy3drLcDJtXwnrCGOZ/nm5gqvPbojcSintEQd5JffrHSoIDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T16:55:35.078222Z"},"content_sha256":"55cc0b829603e8ff2a91630039cdbe411b06d84be9d269a2a0333432f43fb3af","schema_version":"1.0","event_id":"sha256:55cc0b829603e8ff2a91630039cdbe411b06d84be9d269a2a0333432f43fb3af"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EDDNAQLFLZERV6F4PI4QBLRHZQ/bundle.json","state_url":"https://pith.science/pith/EDDNAQLFLZERV6F4PI4QBLRHZQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EDDNAQLFLZERV6F4PI4QBLRHZQ/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":"2026-08-06T16:55:35Z","links":{"resolver":"https://pith.science/pith/EDDNAQLFLZERV6F4PI4QBLRHZQ","bundle":"https://pith.science/pith/EDDNAQLFLZERV6F4PI4QBLRHZQ/bundle.json","state":"https://pith.science/pith/EDDNAQLFLZERV6F4PI4QBLRHZQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EDDNAQLFLZERV6F4PI4QBLRHZQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:EDDNAQLFLZERV6F4PI4QBLRHZQ","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":"dbde7a52e6670df7c20c3ed610a46d61a1d14ab737d05c0269246b0851c0027b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2021-07-30T04:50:56Z","title_canon_sha256":"b4cada54e1f6476f2b9f5ad769b7cfba2a871ddc32f5a38127e9583c2308000d"},"schema_version":"1.0","source":{"id":"2107.14428","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.14428","created_at":"2026-07-05T03:02:00Z"},{"alias_kind":"arxiv_version","alias_value":"2107.14428v1","created_at":"2026-07-05T03:02:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.14428","created_at":"2026-07-05T03:02:00Z"},{"alias_kind":"pith_short_12","alias_value":"EDDNAQLFLZER","created_at":"2026-07-05T03:02:00Z"},{"alias_kind":"pith_short_16","alias_value":"EDDNAQLFLZERV6F4","created_at":"2026-07-05T03:02:00Z"},{"alias_kind":"pith_short_8","alias_value":"EDDNAQLF","created_at":"2026-07-05T03:02:00Z"}],"graph_snapshots":[{"event_id":"sha256:55cc0b829603e8ff2a91630039cdbe411b06d84be9d269a2a0333432f43fb3af","target":"graph","created_at":"2026-07-05T03:02:00Z","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/2107.14428/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Semantic segmentation requires per-pixel prediction for a given image. Typically, the output resolution of a segmentation network is severely reduced due to the downsampling operations in the CNN backbone. Most previous methods employ upsampling decoders to recover the spatial resolution. Various decoders were designed in the literature. Here, we propose a novel decoder, termed dynamic neural representational decoder (NRD), which is simple yet significantly more efficient. As each location on the encoder's output corresponds to a local patch of the semantic labels, in this work, we represent t","authors_text":"Bowen Zhang, Chunhua Shen, Yifan Liu, Zhi Tian","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2021-07-30T04:50:56Z","title":"Dynamic Neural Representational Decoders for High-Resolution Semantic Segmentation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.14428","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":"sha256:09abc156ed2e8978db06aceb7b3e823f9a6a42dc903b71ac82cb2f6d61de4abc","target":"record","created_at":"2026-07-05T03:02:00Z","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":"dbde7a52e6670df7c20c3ed610a46d61a1d14ab737d05c0269246b0851c0027b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2021-07-30T04:50:56Z","title_canon_sha256":"b4cada54e1f6476f2b9f5ad769b7cfba2a871ddc32f5a38127e9583c2308000d"},"schema_version":"1.0","source":{"id":"2107.14428","kind":"arxiv","version":1}},"canonical_sha256":"20c6d041655e491af8bc7a3900ae27cc2e8f4f89b6accd75c0807426dbbac763","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"20c6d041655e491af8bc7a3900ae27cc2e8f4f89b6accd75c0807426dbbac763","first_computed_at":"2026-07-05T03:02:00.166658Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:02:00.166658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JRi1tBNXQ2s5Z79pXtAfvLHC42faR4QSbIBBRFPcLooH7Q00iaBwNCV72Njsf6kpMM5BdsiZE1YrWVGgAv1+Cw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:02:00.167007Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.14428","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:09abc156ed2e8978db06aceb7b3e823f9a6a42dc903b71ac82cb2f6d61de4abc","sha256:55cc0b829603e8ff2a91630039cdbe411b06d84be9d269a2a0333432f43fb3af"],"state_sha256":"21415a92294c462d6c0550cdfeca09db791a927f65c219f4f05665a743f1f72a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8G5MeTCQ1RZAaCKRFHFBm41YbQDgkXI3dcNz0L3KxgGiC9hQRMt3ieWeyS7ERpsckY4EVMPwiLyCAaJIpt7eAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T16:55:35.082345Z","bundle_sha256":"84aca0b758e713254a2f4e2dcda2d78ee2126868ce6da5f2293750aa1bcb97de"}}