{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:MNNJ2HDACCKRGFUZEF237Y6LKK","short_pith_number":"pith:MNNJ2HDA","canonical_record":{"source":{"id":"2003.04196","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2020-03-01T13:11:02Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"66a2631f8c4278afe7e861d9abcce0c25e9dc37fd2bc0ed8fcc471d303569677","abstract_canon_sha256":"e93c766639d43274a0ac38bac2cf05cee94912009ccfdcb5ae973fdb39958160"},"schema_version":"1.0"},"canonical_sha256":"635a9d1c6010951316992175bfe3cb52a12f3b066331e74f699e28704641fb6b","source":{"kind":"arxiv","id":"2003.04196","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.04196","created_at":"2026-07-05T00:50:29Z"},{"alias_kind":"arxiv_version","alias_value":"2003.04196v1","created_at":"2026-07-05T00:50:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.04196","created_at":"2026-07-05T00:50:29Z"},{"alias_kind":"pith_short_12","alias_value":"MNNJ2HDACCKR","created_at":"2026-07-05T00:50:29Z"},{"alias_kind":"pith_short_16","alias_value":"MNNJ2HDACCKRGFUZ","created_at":"2026-07-05T00:50:29Z"},{"alias_kind":"pith_short_8","alias_value":"MNNJ2HDA","created_at":"2026-07-05T00:50:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:MNNJ2HDACCKRGFUZEF237Y6LKK","target":"record","payload":{"canonical_record":{"source":{"id":"2003.04196","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2020-03-01T13:11:02Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"66a2631f8c4278afe7e861d9abcce0c25e9dc37fd2bc0ed8fcc471d303569677","abstract_canon_sha256":"e93c766639d43274a0ac38bac2cf05cee94912009ccfdcb5ae973fdb39958160"},"schema_version":"1.0"},"canonical_sha256":"635a9d1c6010951316992175bfe3cb52a12f3b066331e74f699e28704641fb6b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:50:29.195962Z","signature_b64":"0vx8vttI7rUEWomlrFwE1EVKaWNSmHUosTni3hMtYdqybYJmc6sQzeN+zKywC04oI3MYhPbukAIYfTBxl7plDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"635a9d1c6010951316992175bfe3cb52a12f3b066331e74f699e28704641fb6b","last_reissued_at":"2026-07-05T00:50:29.195589Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:50:29.195589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2003.04196","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":"2026-07-05T00:50:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T+oYa+1pgC5VUmDMgH1hClgO7v/oZvnqA1guLDT64HxiWb23rLh7CS4hbSsZsyox4yLxGlDfYkWquXnoBA/ABg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T11:52:29.726458Z"},"content_sha256":"4c4915b3f22267fd91e7b8f8d4ed50e6ca2bdc25e00919d152c8925a5b199ba2","schema_version":"1.0","event_id":"sha256:4c4915b3f22267fd91e7b8f8d4ed50e6ca2bdc25e00919d152c8925a5b199ba2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:MNNJ2HDACCKRGFUZEF237Y6LKK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Joint Optimization of User Association, Subchannel Allocation, and Power Allocation in Multi-cell Multi-association OFDMA Heterogeneous Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IT","math.IT"],"primary_cat":"eess.SP","authors_text":"Feng Wang, Hongying Tang, Qingqing Wu, Wen Chen","submitted_at":"2020-03-01T13:11:02Z","abstract_excerpt":"Heterogeneous network is a novel network architecture proposed in Long-Term-Evolution~(LTE), which highly increases the capacity and coverage compared with the conventional networks. However, in order to provide the best services, appropriate resource management must be applied. In this paper, we consider the joint optimization problem of user association, subchannel allocation, and power allocation for downlink transmission in Multi-cell Multi-association Orthogonal Frequency Division Multiple Access (OFDMA) heterogeneous networks. To solve the optimization problem, we first divide it into tw"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.04196","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/2003.04196/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":"2026-07-05T00:50:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jjWEYl+esLTh+F44aibr19vq4IZiCtVFH2aGaKGwSGGc0mFW31ksrT76Xq6UljjNvd9AhowPJIBi2ghtdTuTCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T11:52:29.727486Z"},"content_sha256":"150799e86a260b53f46a6c4cf26a840d441a1a6b23411a47eb3ab7b54cc97cbf","schema_version":"1.0","event_id":"sha256:150799e86a260b53f46a6c4cf26a840d441a1a6b23411a47eb3ab7b54cc97cbf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MNNJ2HDACCKRGFUZEF237Y6LKK/bundle.json","state_url":"https://pith.science/pith/MNNJ2HDACCKRGFUZEF237Y6LKK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MNNJ2HDACCKRGFUZEF237Y6LKK/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":"2026-08-06T11:52:29Z","links":{"resolver":"https://pith.science/pith/MNNJ2HDACCKRGFUZEF237Y6LKK","bundle":"https://pith.science/pith/MNNJ2HDACCKRGFUZEF237Y6LKK/bundle.json","state":"https://pith.science/pith/MNNJ2HDACCKRGFUZEF237Y6LKK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MNNJ2HDACCKRGFUZEF237Y6LKK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:MNNJ2HDACCKRGFUZEF237Y6LKK","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":"e93c766639d43274a0ac38bac2cf05cee94912009ccfdcb5ae973fdb39958160","cross_cats_sorted":["cs.IT","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2020-03-01T13:11:02Z","title_canon_sha256":"66a2631f8c4278afe7e861d9abcce0c25e9dc37fd2bc0ed8fcc471d303569677"},"schema_version":"1.0","source":{"id":"2003.04196","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.04196","created_at":"2026-07-05T00:50:29Z"},{"alias_kind":"arxiv_version","alias_value":"2003.04196v1","created_at":"2026-07-05T00:50:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.04196","created_at":"2026-07-05T00:50:29Z"},{"alias_kind":"pith_short_12","alias_value":"MNNJ2HDACCKR","created_at":"2026-07-05T00:50:29Z"},{"alias_kind":"pith_short_16","alias_value":"MNNJ2HDACCKRGFUZ","created_at":"2026-07-05T00:50:29Z"},{"alias_kind":"pith_short_8","alias_value":"MNNJ2HDA","created_at":"2026-07-05T00:50:29Z"}],"graph_snapshots":[{"event_id":"sha256:150799e86a260b53f46a6c4cf26a840d441a1a6b23411a47eb3ab7b54cc97cbf","target":"graph","created_at":"2026-07-05T00:50:29Z","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/2003.04196/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Heterogeneous network is a novel network architecture proposed in Long-Term-Evolution~(LTE), which highly increases the capacity and coverage compared with the conventional networks. However, in order to provide the best services, appropriate resource management must be applied. In this paper, we consider the joint optimization problem of user association, subchannel allocation, and power allocation for downlink transmission in Multi-cell Multi-association Orthogonal Frequency Division Multiple Access (OFDMA) heterogeneous networks. To solve the optimization problem, we first divide it into tw","authors_text":"Feng Wang, Hongying Tang, Qingqing Wu, Wen Chen","cross_cats":["cs.IT","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2020-03-01T13:11:02Z","title":"Joint Optimization of User Association, Subchannel Allocation, and Power Allocation in Multi-cell Multi-association OFDMA Heterogeneous Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.04196","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":"sha256:4c4915b3f22267fd91e7b8f8d4ed50e6ca2bdc25e00919d152c8925a5b199ba2","target":"record","created_at":"2026-07-05T00:50:29Z","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":"e93c766639d43274a0ac38bac2cf05cee94912009ccfdcb5ae973fdb39958160","cross_cats_sorted":["cs.IT","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2020-03-01T13:11:02Z","title_canon_sha256":"66a2631f8c4278afe7e861d9abcce0c25e9dc37fd2bc0ed8fcc471d303569677"},"schema_version":"1.0","source":{"id":"2003.04196","kind":"arxiv","version":1}},"canonical_sha256":"635a9d1c6010951316992175bfe3cb52a12f3b066331e74f699e28704641fb6b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"635a9d1c6010951316992175bfe3cb52a12f3b066331e74f699e28704641fb6b","first_computed_at":"2026-07-05T00:50:29.195589Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:50:29.195589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0vx8vttI7rUEWomlrFwE1EVKaWNSmHUosTni3hMtYdqybYJmc6sQzeN+zKywC04oI3MYhPbukAIYfTBxl7plDA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:50:29.195962Z","signed_message":"canonical_sha256_bytes"},"source_id":"2003.04196","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c4915b3f22267fd91e7b8f8d4ed50e6ca2bdc25e00919d152c8925a5b199ba2","sha256:150799e86a260b53f46a6c4cf26a840d441a1a6b23411a47eb3ab7b54cc97cbf"],"state_sha256":"e0fdfd3270b66bfe7d6899ae0be92ebbba68a48a2564287f35994277a9165f6f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XBsnMRXDgiy5Xy/q6i4MCoqxDzUmnmMVMlhLzjOpJ8BBw7MoCZLolnTo4dHhpX3pkVu0wICFzm4eX4ZmCpgjCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T11:52:29.734988Z","bundle_sha256":"d82d4fb140c4e6dd88d889db56e5620127c0c998fd4707a6654d5f95dc8370c3"}}