{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:CDHM2NNLWB2PTXNXG4NOQTUDIG","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":"0cf00eb13c4a0bc573fe1bb19ae6773bd9e06632fd696ab59fcc7539332bb73b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-01-29T16:50:04Z","title_canon_sha256":"6b8ee379101180d59c6833052262fcc64c11c4ac48438ac892580c4eaaa8c34b"},"schema_version":"1.0","source":{"id":"1301.6980","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.6980","created_at":"2026-05-18T03:05:18Z"},{"alias_kind":"arxiv_version","alias_value":"1301.6980v2","created_at":"2026-05-18T03:05:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.6980","created_at":"2026-05-18T03:05:18Z"},{"alias_kind":"pith_short_12","alias_value":"CDHM2NNLWB2P","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"CDHM2NNLWB2PTXNX","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"CDHM2NNL","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:92dc9384f57629b42984e071044bf5abd7c7dba8c8411f295d1b11430d17f89f","target":"graph","created_at":"2026-05-18T03:05:18Z","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":"In an attempt to utilize spectrum resources more efficiently, protocols sharing licensed spectrum with unlicensed users are receiving increased attention. From the perspective of cellular networks, spectrum underutilization makes spatial reuse a feasible complement to existing standards. Interference management is a major component in designing these schemes as it is critical that licensed users maintain their expected quality of service. We develop a distributed dynamic spectrum protocol in which ad-hoc device-to-device users opportunistically access the spectrum actively in use by cellular u","authors_text":"Behnaam Aazhang, Brett Kaufman, Jorma Lilleberg","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-01-29T16:50:04Z","title":"Spectrum Sharing Scheme Between Cellular Users and Ad-hoc Device-to-Device Users"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.6980","kind":"arxiv","version":2},"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:ea66f44f699b9cdebd3abee0eedcc9aefdb3b196c772d98a3f1064481a2b7b37","target":"record","created_at":"2026-05-18T03:05:18Z","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":"0cf00eb13c4a0bc573fe1bb19ae6773bd9e06632fd696ab59fcc7539332bb73b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-01-29T16:50:04Z","title_canon_sha256":"6b8ee379101180d59c6833052262fcc64c11c4ac48438ac892580c4eaaa8c34b"},"schema_version":"1.0","source":{"id":"1301.6980","kind":"arxiv","version":2}},"canonical_sha256":"10cecd35abb074f9ddb7371ae84e8341bf72739c3836b9f81afa62def3f9e320","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"10cecd35abb074f9ddb7371ae84e8341bf72739c3836b9f81afa62def3f9e320","first_computed_at":"2026-05-18T03:05:18.689291Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:05:18.689291Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QVjXbZyKvGxKRL8QPBVSPoyvmSl5EPleqhUwJmf0XBZRKifqHG1Ew9WiIFdUMfYAj90PvPuxfJjCPCSbXTGRAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:05:18.689788Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.6980","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ea66f44f699b9cdebd3abee0eedcc9aefdb3b196c772d98a3f1064481a2b7b37","sha256:92dc9384f57629b42984e071044bf5abd7c7dba8c8411f295d1b11430d17f89f"],"state_sha256":"18b9acb8acc3e5ea251268fc7e770f9468a81f6510dea907821141552b886a8c"}