{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:WHUVNKGB2YRQMYZDDABBR2DJDB","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":"044a6f766a3e165b5525560f0864ed04667b922307f5a00496e3dbf5846fa399","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-11-06T23:23:31Z","title_canon_sha256":"268e9d17dd27b515660275b1be4009a50d80c907a86ba305f89c937c53235c6c"},"schema_version":"1.0","source":{"id":"1511.02259","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.02259","created_at":"2026-05-18T00:57:50Z"},{"alias_kind":"arxiv_version","alias_value":"1511.02259v1","created_at":"2026-05-18T00:57:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.02259","created_at":"2026-05-18T00:57:50Z"},{"alias_kind":"pith_short_12","alias_value":"WHUVNKGB2YRQ","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WHUVNKGB2YRQMYZD","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WHUVNKGB","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:646309b2bfa42d7b32f4ab5b800202eb596247c591727404eb0992951fb53d3e","target":"graph","created_at":"2026-05-18T00:57:50Z","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":"This paper studies the problem of global optimization of zero-delay source-channel codes that map between the source space and the channel space, under a given transmission power constraint and for the mean square error distortion. Particularly, we focus on two well known network settings: the Wyner-Ziv setting where only a decoder has access to side information and the distributed setting where independent encoders transmit over independent channels to a central decoder. Prior work derived the necessary conditions for optimality of the encoder and decoder mappings, along with a greedy optimiz","authors_text":"Emrah Akyol, Kenneth Rose, Mustafa Said Mehmetoglu","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-11-06T23:23:31Z","title":"Deterministic Annealing Based Optimization for Zero-Delay Source-Channel Coding in Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.02259","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":"sha256:717b3a6a205e8cc3ef0d3b9fa202a64c09f25e30fd16635679600e10cfa86f64","target":"record","created_at":"2026-05-18T00:57:50Z","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":"044a6f766a3e165b5525560f0864ed04667b922307f5a00496e3dbf5846fa399","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-11-06T23:23:31Z","title_canon_sha256":"268e9d17dd27b515660275b1be4009a50d80c907a86ba305f89c937c53235c6c"},"schema_version":"1.0","source":{"id":"1511.02259","kind":"arxiv","version":1}},"canonical_sha256":"b1e956a8c1d623066323180218e86918479412100cc2614065dc11a6b25ac3ac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b1e956a8c1d623066323180218e86918479412100cc2614065dc11a6b25ac3ac","first_computed_at":"2026-05-18T00:57:50.257729Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:57:50.257729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5JJQbqJMcIpM+5xKe8y9pRH+Bo6blz3FIIGzOIKTWWhUR3Vl5JqSiuUowsrQXOjpk+Us2kimTE8OtgEO3xA8Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:57:50.258241Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.02259","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:717b3a6a205e8cc3ef0d3b9fa202a64c09f25e30fd16635679600e10cfa86f64","sha256:646309b2bfa42d7b32f4ab5b800202eb596247c591727404eb0992951fb53d3e"],"state_sha256":"61ee45bdb8c7e5f0f11708871cb67fde737bc90e670ca985c20a0461973830dc"}