{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:QPV4CCG4DYHXYNR5UYF5F5CUUN","short_pith_number":"pith:QPV4CCG4","canonical_record":{"source":{"id":"1007.5080","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2010-07-28T22:25:55Z","cross_cats_sorted":["cs.IT","cs.PF","math.IT"],"title_canon_sha256":"23d2915f19ab8bdf71b1ce34245eb5f5c2391ea7af8a6723821a9bf989ec7ae3","abstract_canon_sha256":"3a4f2b6c983c48f0e9d22fea007425bb4583b64c07b4631405586ea20906d14d"},"schema_version":"1.0"},"canonical_sha256":"83ebc108dc1e0f7c363da60bd2f454a345f8b805a690c1f7ecada159bfdf5d8f","source":{"kind":"arxiv","id":"1007.5080","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.5080","created_at":"2026-05-18T03:46:49Z"},{"alias_kind":"arxiv_version","alias_value":"1007.5080v3","created_at":"2026-05-18T03:46:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.5080","created_at":"2026-05-18T03:46:49Z"},{"alias_kind":"pith_short_12","alias_value":"QPV4CCG4DYHX","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"QPV4CCG4DYHXYNR5","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"QPV4CCG4","created_at":"2026-05-18T12:26:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:QPV4CCG4DYHXYNR5UYF5F5CUUN","target":"record","payload":{"canonical_record":{"source":{"id":"1007.5080","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2010-07-28T22:25:55Z","cross_cats_sorted":["cs.IT","cs.PF","math.IT"],"title_canon_sha256":"23d2915f19ab8bdf71b1ce34245eb5f5c2391ea7af8a6723821a9bf989ec7ae3","abstract_canon_sha256":"3a4f2b6c983c48f0e9d22fea007425bb4583b64c07b4631405586ea20906d14d"},"schema_version":"1.0"},"canonical_sha256":"83ebc108dc1e0f7c363da60bd2f454a345f8b805a690c1f7ecada159bfdf5d8f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:46:49.495224Z","signature_b64":"k20Wzc7DtWmM5cj0y8P3PcsTYY7pn+0DS+YNrSUdgUCbS1q5gStIOMdp8d5NZWV4qD4uDoLw3ZRT/ghM8mlDAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"83ebc108dc1e0f7c363da60bd2f454a345f8b805a690c1f7ecada159bfdf5d8f","last_reissued_at":"2026-05-18T03:46:49.494431Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:46:49.494431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1007.5080","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":"2026-05-18T03:46:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VFBa3FwG1d834US8/gzA/zgEV/Bp3lW0iln8BfT6Ot83smxXJtQ+uaxzFfVRmoOIrGgvcZTB6yJ7I6nqQgywAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T14:41:29.013554Z"},"content_sha256":"933bf060d5863b1d45509f0bffb9c806ea4a2799263dccc2aea6b3947f11ca0c","schema_version":"1.0","event_id":"sha256:933bf060d5863b1d45509f0bffb9c806ea4a2799263dccc2aea6b3947f11ca0c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:QPV4CCG4DYHXYNR5UYF5F5CUUN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Analysis Framework for Opportunistic Spectrum OFDMA and its Application to the IEEE 802.22 Standard","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IT","cs.PF","math.IT"],"primary_cat":"cs.NI","authors_text":"Danijela \\v{C}abri\\'c, Jihoon Park, P\\r{a}l Gr{\\o}nsund, Przemys{\\l}aw Pawe{\\l}czak","submitted_at":"2010-07-28T22:25:55Z","abstract_excerpt":"We present an analytical model that enables throughput evaluation of Opportunistic Spectrum Orthogonal Frequency Division Multiple Access (OS-OFDMA) networks. The core feature of the model, based on a discrete time Markov chain, is the consideration of different channel and subchannel allocation strategies under different Primary and Secondary user types, traffic and priority levels. The analytical model also assesses the impact of different spectrum sensing strategies on the throughput of OS-OFDMA network. The analysis applies to the IEEE 802.22 standard, to evaluate the impact of two-stage s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.5080","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":"2026-05-18T03:46:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T6Csbj5jJqWbYjxcZSWBGObnejMXly36Mo1mx+s8bwSf7aQZKSm9xmBDe5XRn+u0noZJW9QDq/T9bHoLOH/JCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T14:41:29.013897Z"},"content_sha256":"9679e15c27c2428552a3254e3968b809e92343e64bb98d733b1d31bc61349177","schema_version":"1.0","event_id":"sha256:9679e15c27c2428552a3254e3968b809e92343e64bb98d733b1d31bc61349177"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QPV4CCG4DYHXYNR5UYF5F5CUUN/bundle.json","state_url":"https://pith.science/pith/QPV4CCG4DYHXYNR5UYF5F5CUUN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QPV4CCG4DYHXYNR5UYF5F5CUUN/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":"2026-06-05T14:41:29Z","links":{"resolver":"https://pith.science/pith/QPV4CCG4DYHXYNR5UYF5F5CUUN","bundle":"https://pith.science/pith/QPV4CCG4DYHXYNR5UYF5F5CUUN/bundle.json","state":"https://pith.science/pith/QPV4CCG4DYHXYNR5UYF5F5CUUN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QPV4CCG4DYHXYNR5UYF5F5CUUN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:QPV4CCG4DYHXYNR5UYF5F5CUUN","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":"3a4f2b6c983c48f0e9d22fea007425bb4583b64c07b4631405586ea20906d14d","cross_cats_sorted":["cs.IT","cs.PF","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2010-07-28T22:25:55Z","title_canon_sha256":"23d2915f19ab8bdf71b1ce34245eb5f5c2391ea7af8a6723821a9bf989ec7ae3"},"schema_version":"1.0","source":{"id":"1007.5080","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.5080","created_at":"2026-05-18T03:46:49Z"},{"alias_kind":"arxiv_version","alias_value":"1007.5080v3","created_at":"2026-05-18T03:46:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.5080","created_at":"2026-05-18T03:46:49Z"},{"alias_kind":"pith_short_12","alias_value":"QPV4CCG4DYHX","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"QPV4CCG4DYHXYNR5","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"QPV4CCG4","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:9679e15c27c2428552a3254e3968b809e92343e64bb98d733b1d31bc61349177","target":"graph","created_at":"2026-05-18T03:46:49Z","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":"We present an analytical model that enables throughput evaluation of Opportunistic Spectrum Orthogonal Frequency Division Multiple Access (OS-OFDMA) networks. The core feature of the model, based on a discrete time Markov chain, is the consideration of different channel and subchannel allocation strategies under different Primary and Secondary user types, traffic and priority levels. The analytical model also assesses the impact of different spectrum sensing strategies on the throughput of OS-OFDMA network. The analysis applies to the IEEE 802.22 standard, to evaluate the impact of two-stage s","authors_text":"Danijela \\v{C}abri\\'c, Jihoon Park, P\\r{a}l Gr{\\o}nsund, Przemys{\\l}aw Pawe{\\l}czak","cross_cats":["cs.IT","cs.PF","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2010-07-28T22:25:55Z","title":"Analysis Framework for Opportunistic Spectrum OFDMA and its Application to the IEEE 802.22 Standard"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.5080","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":"sha256:933bf060d5863b1d45509f0bffb9c806ea4a2799263dccc2aea6b3947f11ca0c","target":"record","created_at":"2026-05-18T03:46:49Z","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":"3a4f2b6c983c48f0e9d22fea007425bb4583b64c07b4631405586ea20906d14d","cross_cats_sorted":["cs.IT","cs.PF","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2010-07-28T22:25:55Z","title_canon_sha256":"23d2915f19ab8bdf71b1ce34245eb5f5c2391ea7af8a6723821a9bf989ec7ae3"},"schema_version":"1.0","source":{"id":"1007.5080","kind":"arxiv","version":3}},"canonical_sha256":"83ebc108dc1e0f7c363da60bd2f454a345f8b805a690c1f7ecada159bfdf5d8f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"83ebc108dc1e0f7c363da60bd2f454a345f8b805a690c1f7ecada159bfdf5d8f","first_computed_at":"2026-05-18T03:46:49.494431Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:46:49.494431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k20Wzc7DtWmM5cj0y8P3PcsTYY7pn+0DS+YNrSUdgUCbS1q5gStIOMdp8d5NZWV4qD4uDoLw3ZRT/ghM8mlDAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:46:49.495224Z","signed_message":"canonical_sha256_bytes"},"source_id":"1007.5080","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:933bf060d5863b1d45509f0bffb9c806ea4a2799263dccc2aea6b3947f11ca0c","sha256:9679e15c27c2428552a3254e3968b809e92343e64bb98d733b1d31bc61349177"],"state_sha256":"8c9dc33348082f880798366f88461e78dedeea510aef23061f89c945e735f54f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VGUNJ5sRIp2GPFFD104Bi5mqWF+MsNYQl/ETF4rZ5eqwQgIEov3K4oOnv4+d2JJ/D8zzQgFQVcpcCxAASaqJBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T14:41:29.015767Z","bundle_sha256":"a5dbc1f13223754eb1462a7089c97e8ae187376ae03ea977b3ad5d8cd8932839"}}