{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:B4FWMMQO5L55ODA3XQEPOZC6W7","short_pith_number":"pith:B4FWMMQO","canonical_record":{"source":{"id":"1301.5309","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-01-22T20:48:39Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"321f0975c0d135f046aefb3ea585b8b6c70e5139186ab48367208a0a983aefb8","abstract_canon_sha256":"9478536cfe7c2ee8d8d7ac76b24098502671703c96315099fbcfb99683602fb5"},"schema_version":"1.0"},"canonical_sha256":"0f0b66320eeafbd70c1bbc08f7645eb7c4911517e57648d4125e5f527979026c","source":{"kind":"arxiv","id":"1301.5309","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.5309","created_at":"2026-05-18T00:58:17Z"},{"alias_kind":"arxiv_version","alias_value":"1301.5309v3","created_at":"2026-05-18T00:58:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.5309","created_at":"2026-05-18T00:58:17Z"},{"alias_kind":"pith_short_12","alias_value":"B4FWMMQO5L55","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"B4FWMMQO5L55ODA3","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"B4FWMMQO","created_at":"2026-05-18T12:27:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:B4FWMMQO5L55ODA3XQEPOZC6W7","target":"record","payload":{"canonical_record":{"source":{"id":"1301.5309","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-01-22T20:48:39Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"321f0975c0d135f046aefb3ea585b8b6c70e5139186ab48367208a0a983aefb8","abstract_canon_sha256":"9478536cfe7c2ee8d8d7ac76b24098502671703c96315099fbcfb99683602fb5"},"schema_version":"1.0"},"canonical_sha256":"0f0b66320eeafbd70c1bbc08f7645eb7c4911517e57648d4125e5f527979026c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:58:17.691045Z","signature_b64":"YFo0c9BN7907YlaGa4OtCDdXBx8c3qVzeGZebUXxgHaddBOFj8MFXq508u5FLiFHP7y9R8mwzMjwWyOs93CjDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0f0b66320eeafbd70c1bbc08f7645eb7c4911517e57648d4125e5f527979026c","last_reissued_at":"2026-05-18T00:58:17.690286Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:58:17.690286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.5309","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":"2026-05-18T00:58:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HHMS9VWCvKdPPoQ6BDW08LDjP4ay50nvHg00hjhqydJDapeSDi9QqVoIV/p+2IVhBRInNp9gd7OUFVMaPE4+AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T02:21:48.587982Z"},"content_sha256":"7d92624692582f85b5ef77389c008beff6ba1b5f9bdfd6d8b040ca9a130c87cc","schema_version":"1.0","event_id":"sha256:7d92624692582f85b5ef77389c008beff6ba1b5f9bdfd6d8b040ca9a130c87cc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:B4FWMMQO5L55ODA3XQEPOZC6W7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Capacity Results for Binary Fading Interference Channels with Delayed CSIT","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Alireza Vahid, Amir Salman Avestimehr, Mohammad Ali Maddah-Ali","submitted_at":"2013-01-22T20:48:39Z","abstract_excerpt":"To study the effect of lack of up-to-date channel state information at the transmitters (CSIT), we consider two-user binary fading interference channels with Delayed-CSIT. We characterize the capacity region for such channels under homogeneous assumption where channel gains have identical and independent distributions across time and space, eliminating the possibility of exploiting time/space correlation. We introduce and discuss several novel coding opportunities created by outdated CSIT that can enlarge the achievable rate region. The capacity-achieving scheme relies on accurate combination,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.5309","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":"2026-05-18T00:58:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JpGgv/ORof3gcoLnSarS/xsNUzRw7xNpcJ1oH19JVAzDPBT7KXl4WWGIM2LxwanHv9s0eEhktJxIHGEbskjACg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T02:21:48.588350Z"},"content_sha256":"80cbd16a8c6791aa2b2081e0705212c3d15bb0504ce315c5daec13639aa79f95","schema_version":"1.0","event_id":"sha256:80cbd16a8c6791aa2b2081e0705212c3d15bb0504ce315c5daec13639aa79f95"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B4FWMMQO5L55ODA3XQEPOZC6W7/bundle.json","state_url":"https://pith.science/pith/B4FWMMQO5L55ODA3XQEPOZC6W7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B4FWMMQO5L55ODA3XQEPOZC6W7/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":"2026-05-28T02:21:48Z","links":{"resolver":"https://pith.science/pith/B4FWMMQO5L55ODA3XQEPOZC6W7","bundle":"https://pith.science/pith/B4FWMMQO5L55ODA3XQEPOZC6W7/bundle.json","state":"https://pith.science/pith/B4FWMMQO5L55ODA3XQEPOZC6W7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B4FWMMQO5L55ODA3XQEPOZC6W7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:B4FWMMQO5L55ODA3XQEPOZC6W7","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":"9478536cfe7c2ee8d8d7ac76b24098502671703c96315099fbcfb99683602fb5","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-01-22T20:48:39Z","title_canon_sha256":"321f0975c0d135f046aefb3ea585b8b6c70e5139186ab48367208a0a983aefb8"},"schema_version":"1.0","source":{"id":"1301.5309","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.5309","created_at":"2026-05-18T00:58:17Z"},{"alias_kind":"arxiv_version","alias_value":"1301.5309v3","created_at":"2026-05-18T00:58:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.5309","created_at":"2026-05-18T00:58:17Z"},{"alias_kind":"pith_short_12","alias_value":"B4FWMMQO5L55","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"B4FWMMQO5L55ODA3","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"B4FWMMQO","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:80cbd16a8c6791aa2b2081e0705212c3d15bb0504ce315c5daec13639aa79f95","target":"graph","created_at":"2026-05-18T00:58:17Z","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":"To study the effect of lack of up-to-date channel state information at the transmitters (CSIT), we consider two-user binary fading interference channels with Delayed-CSIT. We characterize the capacity region for such channels under homogeneous assumption where channel gains have identical and independent distributions across time and space, eliminating the possibility of exploiting time/space correlation. We introduce and discuss several novel coding opportunities created by outdated CSIT that can enlarge the achievable rate region. The capacity-achieving scheme relies on accurate combination,","authors_text":"Alireza Vahid, Amir Salman Avestimehr, Mohammad Ali Maddah-Ali","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-01-22T20:48:39Z","title":"Capacity Results for Binary Fading Interference Channels with Delayed CSIT"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.5309","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":"sha256:7d92624692582f85b5ef77389c008beff6ba1b5f9bdfd6d8b040ca9a130c87cc","target":"record","created_at":"2026-05-18T00:58:17Z","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":"9478536cfe7c2ee8d8d7ac76b24098502671703c96315099fbcfb99683602fb5","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-01-22T20:48:39Z","title_canon_sha256":"321f0975c0d135f046aefb3ea585b8b6c70e5139186ab48367208a0a983aefb8"},"schema_version":"1.0","source":{"id":"1301.5309","kind":"arxiv","version":3}},"canonical_sha256":"0f0b66320eeafbd70c1bbc08f7645eb7c4911517e57648d4125e5f527979026c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0f0b66320eeafbd70c1bbc08f7645eb7c4911517e57648d4125e5f527979026c","first_computed_at":"2026-05-18T00:58:17.690286Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:58:17.690286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YFo0c9BN7907YlaGa4OtCDdXBx8c3qVzeGZebUXxgHaddBOFj8MFXq508u5FLiFHP7y9R8mwzMjwWyOs93CjDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:58:17.691045Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.5309","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7d92624692582f85b5ef77389c008beff6ba1b5f9bdfd6d8b040ca9a130c87cc","sha256:80cbd16a8c6791aa2b2081e0705212c3d15bb0504ce315c5daec13639aa79f95"],"state_sha256":"9b0258aa9e90a6881fac998f360ddca18431f2ae4d2dc719a38d68efd54839bf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CKYrH5lNHqyKRVa96ePnmUPn3B+8Wh2hqn0JfGejfBHUqNnO78DZhTcRP6aakv/BioXsaIJSLJEYwbRcgKsqCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T02:21:48.590338Z","bundle_sha256":"090f8e0eab37aa6afe1eabe42af84d9933fc439c161646e229b9588bf321319d"}}