{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:6GQ64OZPMEREVHH432XCSF3PCZ","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":"c617dd0cd59d1a3a72d08394eb0d1e68a5a8771a0e0a7eeb410c3222b0f5c3d0","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-02-24T13:01:55Z","title_canon_sha256":"d0b8f0bebec421c7c4b5fd5fc038a7c1c345463f6123c35aa09c07025761f046"},"schema_version":"1.0","source":{"id":"1502.06791","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.06791","created_at":"2026-05-18T02:26:24Z"},{"alias_kind":"arxiv_version","alias_value":"1502.06791v1","created_at":"2026-05-18T02:26:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.06791","created_at":"2026-05-18T02:26:24Z"},{"alias_kind":"pith_short_12","alias_value":"6GQ64OZPMERE","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"6GQ64OZPMEREVHH4","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"6GQ64OZP","created_at":"2026-05-18T12:29:07Z"}],"graph_snapshots":[{"event_id":"sha256:ce33e48cf01708bb90635edc8bfb8646104289003a496b5183fc7265063cfb04","target":"graph","created_at":"2026-05-18T02:26:24Z","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 investigates a three-node amplify-and-forward (AF) multiple-input multiple-output (MIMO) relay network, where an autonomous relay harvests power from the source information flow and is further helped by an energy flow in the form of a wireless power transfer (WPT) at the destination. An energy-flow-assisted two-phase relaying scheme is proposed, where a source and relay joint optimization is formulated to maximize the rate. By diagonalizing the channel, the problem is simplified to a power optimization, where a relay channel pairing problem is solved by an ordering operation. The pr","authors_text":"Bruno Clerckx, Yang Huang","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-02-24T13:01:55Z","title":"Joint Wireless Information and Power Transfer in a Three-Node Autonomous MIMO Relay Network"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.06791","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:de3a4862ea1fee1abe53b385ecc3f678ca9c63ad2ac8f10133b91897fa3279d4","target":"record","created_at":"2026-05-18T02:26:24Z","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":"c617dd0cd59d1a3a72d08394eb0d1e68a5a8771a0e0a7eeb410c3222b0f5c3d0","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2015-02-24T13:01:55Z","title_canon_sha256":"d0b8f0bebec421c7c4b5fd5fc038a7c1c345463f6123c35aa09c07025761f046"},"schema_version":"1.0","source":{"id":"1502.06791","kind":"arxiv","version":1}},"canonical_sha256":"f1a1ee3b2f61224a9cfcdeae29176f1643252bf6dd12695252f9ffba13a8e4b9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f1a1ee3b2f61224a9cfcdeae29176f1643252bf6dd12695252f9ffba13a8e4b9","first_computed_at":"2026-05-18T02:26:24.883130Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:26:24.883130Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jVC4x2ceiArUzQ1kb85dZ8KGkNhcTvIye5wpssvJuqe90oEU9YcRKaaCxbsnXXgdDOoz2lWCsdpURiDmYNRtDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:26:24.883702Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.06791","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:de3a4862ea1fee1abe53b385ecc3f678ca9c63ad2ac8f10133b91897fa3279d4","sha256:ce33e48cf01708bb90635edc8bfb8646104289003a496b5183fc7265063cfb04"],"state_sha256":"3118a56212b2a4154abd14479b3cb2e2f876fb7e84aae48e327243550f57f033"}