{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:PSXBX6X4P42PFR5DY2AFYGONT7","short_pith_number":"pith:PSXBX6X4","canonical_record":{"source":{"id":"0810.1253","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2008-10-07T17:55:19Z","cross_cats_sorted":["cs.NI","math.IT","math.OC"],"title_canon_sha256":"4acf393c962b719eed547789361da3af702fcf368fe35ed074d5667d57eba0a8","abstract_canon_sha256":"17b299e1a194a9399f890244bc2beee33493a7267063519043a36011dbf400e8"},"schema_version":"1.0"},"canonical_sha256":"7cae1bfafc7f34f2c7a3c6805c19cd9fee6403514d18eb3dbacb7847e6a3ff08","source":{"kind":"arxiv","id":"0810.1253","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.1253","created_at":"2026-07-04T15:14:56Z"},{"alias_kind":"arxiv_version","alias_value":"0810.1253v1","created_at":"2026-07-04T15:14:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.1253","created_at":"2026-07-04T15:14:56Z"},{"alias_kind":"pith_short_12","alias_value":"PSXBX6X4P42P","created_at":"2026-07-04T15:14:56Z"},{"alias_kind":"pith_short_16","alias_value":"PSXBX6X4P42PFR5D","created_at":"2026-07-04T15:14:56Z"},{"alias_kind":"pith_short_8","alias_value":"PSXBX6X4","created_at":"2026-07-04T15:14:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:PSXBX6X4P42PFR5DY2AFYGONT7","target":"record","payload":{"canonical_record":{"source":{"id":"0810.1253","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2008-10-07T17:55:19Z","cross_cats_sorted":["cs.NI","math.IT","math.OC"],"title_canon_sha256":"4acf393c962b719eed547789361da3af702fcf368fe35ed074d5667d57eba0a8","abstract_canon_sha256":"17b299e1a194a9399f890244bc2beee33493a7267063519043a36011dbf400e8"},"schema_version":"1.0"},"canonical_sha256":"7cae1bfafc7f34f2c7a3c6805c19cd9fee6403514d18eb3dbacb7847e6a3ff08","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:14:56.045039Z","signature_b64":"/q0bS6u0bRk5Z13KwsEKCFfF31Chu2LHl/+CVdJSC0rR9LEa5pKJz6uGtxOB8VIZqt5RlqzFxQIO7GFU3ArQAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7cae1bfafc7f34f2c7a3c6805c19cd9fee6403514d18eb3dbacb7847e6a3ff08","last_reissued_at":"2026-07-04T15:14:56.044656Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:14:56.044656Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0810.1253","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:14:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8FgCXqEVpCaZVyg+WD/cu0IiE5lGj4ZW1AugmvIg/wXAzJTKf+3z6ZF7leexfd4rGhbf7VoRX+5JIiyx9xiCBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T06:48:15.453217Z"},"content_sha256":"32638de881c7a413cdc31bad41ce33a0bc5bdcf5dbf8b113694ea4448f0da7fa","schema_version":"1.0","event_id":"sha256:32638de881c7a413cdc31bad41ce33a0bc5bdcf5dbf8b113694ea4448f0da7fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:PSXBX6X4P42PFR5DY2AFYGONT7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamic Rate Allocation in Fading Multiple-access Channels","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.NI","math.IT","math.OC"],"primary_cat":"cs.IT","authors_text":"Ali ParandehGheibi, Asuman Ozdaglar, Atilla Eryilmaz, Muriel Medard","submitted_at":"2008-10-07T17:55:19Z","abstract_excerpt":"We consider the problem of rate allocation in a fading Gaussian multiple-access channel (MAC) with fixed transmission powers. Our goal is to maximize a general concave utility function of transmission rates over the throughput capacity region. In contrast to earlier works in this context that propose solutions where a potentially complex optimization problem must be solved in every decision instant, we propose a low-complexity approximate rate allocation policy and analyze the effect of temporal channel variations on its utility performance. To the best of our knowledge, this is the first work"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.1253","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0810.1253/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:14:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9+42cYlbALE3/AUK5WNfwXBNzSi4U3uSJFcnQEQHFbegeOZ29f2iA9sjS8wUy5XwUIgPUim26lTfrMU2ICKOAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T06:48:15.454242Z"},"content_sha256":"2a1b27839f123640bad025b6d182dd074fe548c6efe0da718515267ef9ee265f","schema_version":"1.0","event_id":"sha256:2a1b27839f123640bad025b6d182dd074fe548c6efe0da718515267ef9ee265f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PSXBX6X4P42PFR5DY2AFYGONT7/bundle.json","state_url":"https://pith.science/pith/PSXBX6X4P42PFR5DY2AFYGONT7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PSXBX6X4P42PFR5DY2AFYGONT7/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":"2026-08-06T06:48:15Z","links":{"resolver":"https://pith.science/pith/PSXBX6X4P42PFR5DY2AFYGONT7","bundle":"https://pith.science/pith/PSXBX6X4P42PFR5DY2AFYGONT7/bundle.json","state":"https://pith.science/pith/PSXBX6X4P42PFR5DY2AFYGONT7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PSXBX6X4P42PFR5DY2AFYGONT7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:PSXBX6X4P42PFR5DY2AFYGONT7","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":"17b299e1a194a9399f890244bc2beee33493a7267063519043a36011dbf400e8","cross_cats_sorted":["cs.NI","math.IT","math.OC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2008-10-07T17:55:19Z","title_canon_sha256":"4acf393c962b719eed547789361da3af702fcf368fe35ed074d5667d57eba0a8"},"schema_version":"1.0","source":{"id":"0810.1253","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.1253","created_at":"2026-07-04T15:14:56Z"},{"alias_kind":"arxiv_version","alias_value":"0810.1253v1","created_at":"2026-07-04T15:14:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.1253","created_at":"2026-07-04T15:14:56Z"},{"alias_kind":"pith_short_12","alias_value":"PSXBX6X4P42P","created_at":"2026-07-04T15:14:56Z"},{"alias_kind":"pith_short_16","alias_value":"PSXBX6X4P42PFR5D","created_at":"2026-07-04T15:14:56Z"},{"alias_kind":"pith_short_8","alias_value":"PSXBX6X4","created_at":"2026-07-04T15:14:56Z"}],"graph_snapshots":[{"event_id":"sha256:2a1b27839f123640bad025b6d182dd074fe548c6efe0da718515267ef9ee265f","target":"graph","created_at":"2026-07-04T15:14:56Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0810.1253/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider the problem of rate allocation in a fading Gaussian multiple-access channel (MAC) with fixed transmission powers. Our goal is to maximize a general concave utility function of transmission rates over the throughput capacity region. In contrast to earlier works in this context that propose solutions where a potentially complex optimization problem must be solved in every decision instant, we propose a low-complexity approximate rate allocation policy and analyze the effect of temporal channel variations on its utility performance. To the best of our knowledge, this is the first work","authors_text":"Ali ParandehGheibi, Asuman Ozdaglar, Atilla Eryilmaz, Muriel Medard","cross_cats":["cs.NI","math.IT","math.OC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2008-10-07T17:55:19Z","title":"Dynamic Rate Allocation in Fading Multiple-access Channels"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.1253","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":"sha256:32638de881c7a413cdc31bad41ce33a0bc5bdcf5dbf8b113694ea4448f0da7fa","target":"record","created_at":"2026-07-04T15:14:56Z","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":"17b299e1a194a9399f890244bc2beee33493a7267063519043a36011dbf400e8","cross_cats_sorted":["cs.NI","math.IT","math.OC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2008-10-07T17:55:19Z","title_canon_sha256":"4acf393c962b719eed547789361da3af702fcf368fe35ed074d5667d57eba0a8"},"schema_version":"1.0","source":{"id":"0810.1253","kind":"arxiv","version":1}},"canonical_sha256":"7cae1bfafc7f34f2c7a3c6805c19cd9fee6403514d18eb3dbacb7847e6a3ff08","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7cae1bfafc7f34f2c7a3c6805c19cd9fee6403514d18eb3dbacb7847e6a3ff08","first_computed_at":"2026-07-04T15:14:56.044656Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:14:56.044656Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/q0bS6u0bRk5Z13KwsEKCFfF31Chu2LHl/+CVdJSC0rR9LEa5pKJz6uGtxOB8VIZqt5RlqzFxQIO7GFU3ArQAw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:14:56.045039Z","signed_message":"canonical_sha256_bytes"},"source_id":"0810.1253","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:32638de881c7a413cdc31bad41ce33a0bc5bdcf5dbf8b113694ea4448f0da7fa","sha256:2a1b27839f123640bad025b6d182dd074fe548c6efe0da718515267ef9ee265f"],"state_sha256":"7244fc2bed3398715ea1ada9c25bd7ea44fd917ca322e830c79c8b8056a09dbc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rCEjFfkcgQyZEPxtaFksvJ7vQ+9nhVVQ09ocySFl4oqmQrKG47l1C2yOcqWKj2gMmsZE7PRD5hGJeFfzm1EqAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T06:48:15.464508Z","bundle_sha256":"3ceb7cdf8d91509fbc5347c13b7e68b9e38dfc84818a1ce284869a2551301131"}}