{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:M77ASLO4DHKRDJREGX3CD5RYJP","short_pith_number":"pith:M77ASLO4","canonical_record":{"source":{"id":"1207.4763","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-07-19T19:06:17Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"31580c836adc137455ded45f3e8a169c89dc16996a87d8e2d8850624d68ce2db","abstract_canon_sha256":"f04c4555a099344efeb50860e54ef15c4e227be9bcf25377fdc1e4188852a7e7"},"schema_version":"1.0"},"canonical_sha256":"67fe092ddc19d511a62435f621f6384be5fbc53d2d2af551fd9358df799ea92d","source":{"kind":"arxiv","id":"1207.4763","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.4763","created_at":"2026-05-18T03:33:25Z"},{"alias_kind":"arxiv_version","alias_value":"1207.4763v4","created_at":"2026-05-18T03:33:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.4763","created_at":"2026-05-18T03:33:25Z"},{"alias_kind":"pith_short_12","alias_value":"M77ASLO4DHKR","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"M77ASLO4DHKRDJRE","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"M77ASLO4","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:M77ASLO4DHKRDJREGX3CD5RYJP","target":"record","payload":{"canonical_record":{"source":{"id":"1207.4763","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-07-19T19:06:17Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"31580c836adc137455ded45f3e8a169c89dc16996a87d8e2d8850624d68ce2db","abstract_canon_sha256":"f04c4555a099344efeb50860e54ef15c4e227be9bcf25377fdc1e4188852a7e7"},"schema_version":"1.0"},"canonical_sha256":"67fe092ddc19d511a62435f621f6384be5fbc53d2d2af551fd9358df799ea92d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:33:25.867273Z","signature_b64":"3qcN8/5y4MaglCWVEqWoLClyrq0XV0w3lrkJsnfvCRTvdly7iZgsfNXyKvyF59y0kJmpRe5d/7jmqx3+sld8CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"67fe092ddc19d511a62435f621f6384be5fbc53d2d2af551fd9358df799ea92d","last_reissued_at":"2026-05-18T03:33:25.866685Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:33:25.866685Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.4763","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:33:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nzBtisd6BFF4iis9TelItzHv6QhC5mkPxzj0CPI/+2+EwPkbcG6kRorktm2Z9Gz0U/OzYdYSGVRUP79m8gzmCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T22:24:03.780210Z"},"content_sha256":"43141167f754d41658d8c44ad5c22602b9bba9b7b5794f92d4a86fb16bd35a2c","schema_version":"1.0","event_id":"sha256:43141167f754d41658d8c44ad5c22602b9bba9b7b5794f92d4a86fb16bd35a2c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:M77ASLO4DHKRDJREGX3CD5RYJP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Buffer-Aided Relaying with Adaptive Link Selection - Fixed and Mixed Rate Transmission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Nikola Zlatanov, Robert Schober","submitted_at":"2012-07-19T19:06:17Z","abstract_excerpt":"We consider a simple network consisting of a source, a half-duplex DF relay with a buffer, and a destination. We assume that the direct source-destination link is not available and all links undergo fading. We propose two new buffer-aided relaying schemes. In the first scheme, neither the source nor the relay have CSIT, and consequently, both nodes are forced to transmit with fixed rates. In contrast, in the second scheme, the source does not have CSIT and transmits with fixed rate but the relay has CSIT and adapts its transmission rate accordingly. In the absence of delay constraints, for bot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.4763","kind":"arxiv","version":4},"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":"2026-05-18T03:33:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BQtD5xg8BcYQVwmYZv/J+YvFBdYAP643lVrEwdGqNWHL+fl5k/fZGDhpNWoZLgeKo9IKpxjL8EYyaSq3KDG/CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T22:24:03.780993Z"},"content_sha256":"ffce2dc8b1c24a8f04024bd4df5fb2fbde8813a2fa85198f7543434761c1ea5f","schema_version":"1.0","event_id":"sha256:ffce2dc8b1c24a8f04024bd4df5fb2fbde8813a2fa85198f7543434761c1ea5f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M77ASLO4DHKRDJREGX3CD5RYJP/bundle.json","state_url":"https://pith.science/pith/M77ASLO4DHKRDJREGX3CD5RYJP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M77ASLO4DHKRDJREGX3CD5RYJP/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":"2026-05-30T22:24:03Z","links":{"resolver":"https://pith.science/pith/M77ASLO4DHKRDJREGX3CD5RYJP","bundle":"https://pith.science/pith/M77ASLO4DHKRDJREGX3CD5RYJP/bundle.json","state":"https://pith.science/pith/M77ASLO4DHKRDJREGX3CD5RYJP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M77ASLO4DHKRDJREGX3CD5RYJP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:M77ASLO4DHKRDJREGX3CD5RYJP","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":"f04c4555a099344efeb50860e54ef15c4e227be9bcf25377fdc1e4188852a7e7","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-07-19T19:06:17Z","title_canon_sha256":"31580c836adc137455ded45f3e8a169c89dc16996a87d8e2d8850624d68ce2db"},"schema_version":"1.0","source":{"id":"1207.4763","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.4763","created_at":"2026-05-18T03:33:25Z"},{"alias_kind":"arxiv_version","alias_value":"1207.4763v4","created_at":"2026-05-18T03:33:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.4763","created_at":"2026-05-18T03:33:25Z"},{"alias_kind":"pith_short_12","alias_value":"M77ASLO4DHKR","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"M77ASLO4DHKRDJRE","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"M77ASLO4","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:ffce2dc8b1c24a8f04024bd4df5fb2fbde8813a2fa85198f7543434761c1ea5f","target":"graph","created_at":"2026-05-18T03:33:25Z","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 consider a simple network consisting of a source, a half-duplex DF relay with a buffer, and a destination. We assume that the direct source-destination link is not available and all links undergo fading. We propose two new buffer-aided relaying schemes. In the first scheme, neither the source nor the relay have CSIT, and consequently, both nodes are forced to transmit with fixed rates. In contrast, in the second scheme, the source does not have CSIT and transmits with fixed rate but the relay has CSIT and adapts its transmission rate accordingly. In the absence of delay constraints, for bot","authors_text":"Nikola Zlatanov, Robert Schober","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-07-19T19:06:17Z","title":"Buffer-Aided Relaying with Adaptive Link Selection - Fixed and Mixed Rate Transmission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.4763","kind":"arxiv","version":4},"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":"sha256:43141167f754d41658d8c44ad5c22602b9bba9b7b5794f92d4a86fb16bd35a2c","target":"record","created_at":"2026-05-18T03:33:25Z","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":"f04c4555a099344efeb50860e54ef15c4e227be9bcf25377fdc1e4188852a7e7","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-07-19T19:06:17Z","title_canon_sha256":"31580c836adc137455ded45f3e8a169c89dc16996a87d8e2d8850624d68ce2db"},"schema_version":"1.0","source":{"id":"1207.4763","kind":"arxiv","version":4}},"canonical_sha256":"67fe092ddc19d511a62435f621f6384be5fbc53d2d2af551fd9358df799ea92d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"67fe092ddc19d511a62435f621f6384be5fbc53d2d2af551fd9358df799ea92d","first_computed_at":"2026-05-18T03:33:25.866685Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:33:25.866685Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3qcN8/5y4MaglCWVEqWoLClyrq0XV0w3lrkJsnfvCRTvdly7iZgsfNXyKvyF59y0kJmpRe5d/7jmqx3+sld8CA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:33:25.867273Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.4763","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:43141167f754d41658d8c44ad5c22602b9bba9b7b5794f92d4a86fb16bd35a2c","sha256:ffce2dc8b1c24a8f04024bd4df5fb2fbde8813a2fa85198f7543434761c1ea5f"],"state_sha256":"77185a78e0b2a906ec0a3ce70844d199e596bc21225de22ad763c80c3a4a5422"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PYLL7l+MXpa/WQ+hwnbEiZFAlAnBttJGhnotqlcr7VeDKRfqqmYlReR8N/DtliO0d6f2JfzWRyHGVP5v2yIJBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T22:24:03.785077Z","bundle_sha256":"ba9a880a3b1da92293d8c2186d3f7e8e48f8de3711e10f6d7320367dcc86e4ca"}}