{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:V4MCRGYMRTTSEBSZOXWOZVPHX3","short_pith_number":"pith:V4MCRGYM","canonical_record":{"source":{"id":"1004.0542","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2010-04-04T23:43:55Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"b56763e014e9dd90775f9ace4b2f71b46d90f625104d17885263e8c9a27a2189","abstract_canon_sha256":"6aee07caa45f0582418f6ce52a56778be3ee7cecd54030d05e2162155771c7c3"},"schema_version":"1.0"},"canonical_sha256":"af18289b0c8ce722065975ececd5e7beff36c89a17cb11a1d1b906b661f4d7b4","source":{"kind":"arxiv","id":"1004.0542","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.0542","created_at":"2026-05-18T02:24:17Z"},{"alias_kind":"arxiv_version","alias_value":"1004.0542v3","created_at":"2026-05-18T02:24:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.0542","created_at":"2026-05-18T02:24:17Z"},{"alias_kind":"pith_short_12","alias_value":"V4MCRGYMRTTS","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"V4MCRGYMRTTSEBSZ","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"V4MCRGYM","created_at":"2026-05-18T12:26:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:V4MCRGYMRTTSEBSZOXWOZVPHX3","target":"record","payload":{"canonical_record":{"source":{"id":"1004.0542","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2010-04-04T23:43:55Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"b56763e014e9dd90775f9ace4b2f71b46d90f625104d17885263e8c9a27a2189","abstract_canon_sha256":"6aee07caa45f0582418f6ce52a56778be3ee7cecd54030d05e2162155771c7c3"},"schema_version":"1.0"},"canonical_sha256":"af18289b0c8ce722065975ececd5e7beff36c89a17cb11a1d1b906b661f4d7b4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:24:17.708500Z","signature_b64":"Irhrc1vbl3A2Uw2TYIUiAv2xN3JehlODG6bSBeW4NBEoqibcLs4A40GhvPbrWtvymZt4icNMbJ5EPWngNIy9BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af18289b0c8ce722065975ececd5e7beff36c89a17cb11a1d1b906b661f4d7b4","last_reissued_at":"2026-05-18T02:24:17.707739Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:24:17.707739Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1004.0542","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:24:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yN/5VlBPpEOBFZg4rKyRnZG//GfVK6+v9N4Y2gsMb2xn2qwqChc8OIkqNTOWKOJJjEmBvZlE/YOVddf4J5yODQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:17:52.509970Z"},"content_sha256":"ccd055cfa4d006d9b4ecde594854789765b62251f0e1dfe7540742a64fff7154","schema_version":"1.0","event_id":"sha256:ccd055cfa4d006d9b4ecde594854789765b62251f0e1dfe7540742a64fff7154"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:V4MCRGYMRTTSEBSZOXWOZVPHX3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cognitive Interference Management in Retransmission-Based Wireless Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Marco Levorato, Michele Zorzi, Urbashi Mitra","submitted_at":"2010-04-04T23:43:55Z","abstract_excerpt":"Cognitive radio methodologies have the potential to dramatically increase the throughput of wireless systems. Herein, control strategies which enable the superposition in time and frequency of primary and secondary user transmissions are explored in contrast to more traditional sensing approaches which only allow the secondary user to transmit when the primary user is idle. In this work, the optimal transmission policy for the secondary user when the primary user adopts a retransmission based error control scheme is investigated. The policy aims to maximize the secondary users' throughput, wit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.0542","kind":"arxiv","version":3},"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":"2026-05-18T02:24:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g6KLpTzjmz2U+Fb01jcG/QZSoINOcxl+rS1MkFTKIYsOTP6kpEqC+RDD4rXDab3+AlkE4aJ7FD0TN6wZfH/iAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:17:52.510665Z"},"content_sha256":"686da3fa0086c8db8b3ac4c4c1961be575e3aa1a9b638589bd36a31808e0c791","schema_version":"1.0","event_id":"sha256:686da3fa0086c8db8b3ac4c4c1961be575e3aa1a9b638589bd36a31808e0c791"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V4MCRGYMRTTSEBSZOXWOZVPHX3/bundle.json","state_url":"https://pith.science/pith/V4MCRGYMRTTSEBSZOXWOZVPHX3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V4MCRGYMRTTSEBSZOXWOZVPHX3/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":"2026-05-30T14:17:52Z","links":{"resolver":"https://pith.science/pith/V4MCRGYMRTTSEBSZOXWOZVPHX3","bundle":"https://pith.science/pith/V4MCRGYMRTTSEBSZOXWOZVPHX3/bundle.json","state":"https://pith.science/pith/V4MCRGYMRTTSEBSZOXWOZVPHX3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V4MCRGYMRTTSEBSZOXWOZVPHX3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:V4MCRGYMRTTSEBSZOXWOZVPHX3","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":"6aee07caa45f0582418f6ce52a56778be3ee7cecd54030d05e2162155771c7c3","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2010-04-04T23:43:55Z","title_canon_sha256":"b56763e014e9dd90775f9ace4b2f71b46d90f625104d17885263e8c9a27a2189"},"schema_version":"1.0","source":{"id":"1004.0542","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.0542","created_at":"2026-05-18T02:24:17Z"},{"alias_kind":"arxiv_version","alias_value":"1004.0542v3","created_at":"2026-05-18T02:24:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.0542","created_at":"2026-05-18T02:24:17Z"},{"alias_kind":"pith_short_12","alias_value":"V4MCRGYMRTTS","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"V4MCRGYMRTTSEBSZ","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"V4MCRGYM","created_at":"2026-05-18T12:26:15Z"}],"graph_snapshots":[{"event_id":"sha256:686da3fa0086c8db8b3ac4c4c1961be575e3aa1a9b638589bd36a31808e0c791","target":"graph","created_at":"2026-05-18T02:24:17Z","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":"Cognitive radio methodologies have the potential to dramatically increase the throughput of wireless systems. Herein, control strategies which enable the superposition in time and frequency of primary and secondary user transmissions are explored in contrast to more traditional sensing approaches which only allow the secondary user to transmit when the primary user is idle. In this work, the optimal transmission policy for the secondary user when the primary user adopts a retransmission based error control scheme is investigated. The policy aims to maximize the secondary users' throughput, wit","authors_text":"Marco Levorato, Michele Zorzi, Urbashi Mitra","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2010-04-04T23:43:55Z","title":"Cognitive Interference Management in Retransmission-Based Wireless Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.0542","kind":"arxiv","version":3},"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:ccd055cfa4d006d9b4ecde594854789765b62251f0e1dfe7540742a64fff7154","target":"record","created_at":"2026-05-18T02:24:17Z","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":"6aee07caa45f0582418f6ce52a56778be3ee7cecd54030d05e2162155771c7c3","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2010-04-04T23:43:55Z","title_canon_sha256":"b56763e014e9dd90775f9ace4b2f71b46d90f625104d17885263e8c9a27a2189"},"schema_version":"1.0","source":{"id":"1004.0542","kind":"arxiv","version":3}},"canonical_sha256":"af18289b0c8ce722065975ececd5e7beff36c89a17cb11a1d1b906b661f4d7b4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"af18289b0c8ce722065975ececd5e7beff36c89a17cb11a1d1b906b661f4d7b4","first_computed_at":"2026-05-18T02:24:17.707739Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:24:17.707739Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Irhrc1vbl3A2Uw2TYIUiAv2xN3JehlODG6bSBeW4NBEoqibcLs4A40GhvPbrWtvymZt4icNMbJ5EPWngNIy9BA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:24:17.708500Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.0542","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ccd055cfa4d006d9b4ecde594854789765b62251f0e1dfe7540742a64fff7154","sha256:686da3fa0086c8db8b3ac4c4c1961be575e3aa1a9b638589bd36a31808e0c791"],"state_sha256":"77204ba3137939fb98c5002d78e126e91bf637fffa832e97e38c9a3c524b66e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IS/BSK5sTlv6bZVuv/c0rQK9pVaUWZgpW5km2S9On2A8oG9jewl2PzH8B3z6ByDG0H9C+cJv9ymMiZn3Br77Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T14:17:52.514243Z","bundle_sha256":"408b35a0fbda1961e6bfa5a10a9994bc3aec4b8a9450093530adfda1dcb2981c"}}