{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:6ENYX6W4NKL4BBD6LLHHKI2DEI","short_pith_number":"pith:6ENYX6W4","canonical_record":{"source":{"id":"1805.05713","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-05-15T11:35:25Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"c68063eb413bdcd72304a0398aaf4a92d55b09b3a5fed47120533ece9de03958","abstract_canon_sha256":"b115f9b21f4f33d35d895a7d05b25c0094e5d666a9e0e9abb7eb4d5885ab4ef4"},"schema_version":"1.0"},"canonical_sha256":"f11b8bfadc6a97c0847e5ace752343221e70fdf21d569cc4727910f6982604c5","source":{"kind":"arxiv","id":"1805.05713","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.05713","created_at":"2026-05-18T00:15:53Z"},{"alias_kind":"arxiv_version","alias_value":"1805.05713v1","created_at":"2026-05-18T00:15:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.05713","created_at":"2026-05-18T00:15:53Z"},{"alias_kind":"pith_short_12","alias_value":"6ENYX6W4NKL4","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"6ENYX6W4NKL4BBD6","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"6ENYX6W4","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:6ENYX6W4NKL4BBD6LLHHKI2DEI","target":"record","payload":{"canonical_record":{"source":{"id":"1805.05713","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-05-15T11:35:25Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"c68063eb413bdcd72304a0398aaf4a92d55b09b3a5fed47120533ece9de03958","abstract_canon_sha256":"b115f9b21f4f33d35d895a7d05b25c0094e5d666a9e0e9abb7eb4d5885ab4ef4"},"schema_version":"1.0"},"canonical_sha256":"f11b8bfadc6a97c0847e5ace752343221e70fdf21d569cc4727910f6982604c5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:15:53.931261Z","signature_b64":"ZCp6Nik669UeLv6tJTVj3ZcARcVYBnxh4J01QHwrUXJ7y2qXiGuA5RBkUdpk3z3eD0OyQ9kgDN328SbkCqGQBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f11b8bfadc6a97c0847e5ace752343221e70fdf21d569cc4727910f6982604c5","last_reissued_at":"2026-05-18T00:15:53.930532Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:15:53.930532Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.05713","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":"2026-05-18T00:15:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+jsoFLcDDlXCdrdwtgRSER4/8lHDyQqFiiiL05/NBuWu53m64hIT08DUpM2sorG1OWQUd4ya9IwQ3u4My27jDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T04:53:43.350616Z"},"content_sha256":"c33e3a99d4504546ccfc278c46bea5fc33872d8217fa6f12962dd1060a50d94a","schema_version":"1.0","event_id":"sha256:c33e3a99d4504546ccfc278c46bea5fc33872d8217fa6f12962dd1060a50d94a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:6ENYX6W4NKL4BBD6LLHHKI2DEI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Joint State Sensing and Communication: Optimal Tradeoff for a Memoryless Case","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Gerhard Kramer, Giuseppe Caire, Mari Kobayashi","submitted_at":"2018-05-15T11:35:25Z","abstract_excerpt":"A communication setup is considered where a transmitter wishes to simultaneously sense its channel state and convey a message to a receiver. The state is estimated at the transmitter by means of generalized feedback, i.e. a strictly causal channel output that is observed at the transmitter. The scenario is motivated by a joint radar and communication system where the radar and data applications share the same frequency band. For the case of a memoryless channel with i.i.d. state sequences, we characterize the capacity-distortion tradeoff, defined as the best achievable rate below which a messa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.05713","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":""},"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":"2026-05-18T00:15:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0RclspjXtFNkzHsv+3TID+awjKB5O8jvM+YhTu1ZUOPzJebk966zfYSz+03W7+WgnRGdxKA+keyuBKLTsVBcBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T04:53:43.351335Z"},"content_sha256":"96f2e7da1f1670302d6453e83f577345166763d5ad2c1ba9ee574c8f76dba1a9","schema_version":"1.0","event_id":"sha256:96f2e7da1f1670302d6453e83f577345166763d5ad2c1ba9ee574c8f76dba1a9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6ENYX6W4NKL4BBD6LLHHKI2DEI/bundle.json","state_url":"https://pith.science/pith/6ENYX6W4NKL4BBD6LLHHKI2DEI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6ENYX6W4NKL4BBD6LLHHKI2DEI/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":"2026-06-05T04:53:43Z","links":{"resolver":"https://pith.science/pith/6ENYX6W4NKL4BBD6LLHHKI2DEI","bundle":"https://pith.science/pith/6ENYX6W4NKL4BBD6LLHHKI2DEI/bundle.json","state":"https://pith.science/pith/6ENYX6W4NKL4BBD6LLHHKI2DEI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6ENYX6W4NKL4BBD6LLHHKI2DEI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:6ENYX6W4NKL4BBD6LLHHKI2DEI","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":"b115f9b21f4f33d35d895a7d05b25c0094e5d666a9e0e9abb7eb4d5885ab4ef4","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-05-15T11:35:25Z","title_canon_sha256":"c68063eb413bdcd72304a0398aaf4a92d55b09b3a5fed47120533ece9de03958"},"schema_version":"1.0","source":{"id":"1805.05713","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.05713","created_at":"2026-05-18T00:15:53Z"},{"alias_kind":"arxiv_version","alias_value":"1805.05713v1","created_at":"2026-05-18T00:15:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.05713","created_at":"2026-05-18T00:15:53Z"},{"alias_kind":"pith_short_12","alias_value":"6ENYX6W4NKL4","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"6ENYX6W4NKL4BBD6","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"6ENYX6W4","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:96f2e7da1f1670302d6453e83f577345166763d5ad2c1ba9ee574c8f76dba1a9","target":"graph","created_at":"2026-05-18T00:15:53Z","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":"A communication setup is considered where a transmitter wishes to simultaneously sense its channel state and convey a message to a receiver. The state is estimated at the transmitter by means of generalized feedback, i.e. a strictly causal channel output that is observed at the transmitter. The scenario is motivated by a joint radar and communication system where the radar and data applications share the same frequency band. For the case of a memoryless channel with i.i.d. state sequences, we characterize the capacity-distortion tradeoff, defined as the best achievable rate below which a messa","authors_text":"Gerhard Kramer, Giuseppe Caire, Mari Kobayashi","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-05-15T11:35:25Z","title":"Joint State Sensing and Communication: Optimal Tradeoff for a Memoryless Case"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.05713","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:c33e3a99d4504546ccfc278c46bea5fc33872d8217fa6f12962dd1060a50d94a","target":"record","created_at":"2026-05-18T00:15:53Z","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":"b115f9b21f4f33d35d895a7d05b25c0094e5d666a9e0e9abb7eb4d5885ab4ef4","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2018-05-15T11:35:25Z","title_canon_sha256":"c68063eb413bdcd72304a0398aaf4a92d55b09b3a5fed47120533ece9de03958"},"schema_version":"1.0","source":{"id":"1805.05713","kind":"arxiv","version":1}},"canonical_sha256":"f11b8bfadc6a97c0847e5ace752343221e70fdf21d569cc4727910f6982604c5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f11b8bfadc6a97c0847e5ace752343221e70fdf21d569cc4727910f6982604c5","first_computed_at":"2026-05-18T00:15:53.930532Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:15:53.930532Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZCp6Nik669UeLv6tJTVj3ZcARcVYBnxh4J01QHwrUXJ7y2qXiGuA5RBkUdpk3z3eD0OyQ9kgDN328SbkCqGQBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:15:53.931261Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.05713","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c33e3a99d4504546ccfc278c46bea5fc33872d8217fa6f12962dd1060a50d94a","sha256:96f2e7da1f1670302d6453e83f577345166763d5ad2c1ba9ee574c8f76dba1a9"],"state_sha256":"989dba87e29994b5bf00f1e26b4b651f2936791ae4af27902b78462fc6a4208f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R6dYhHJkBBNCqwiiSn0NTRp2k3xGfCGtKTEqBI902bkawIH2aTBd1t6gghCJOCxvDdfWnAv4SOJC3M7DuhUPAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T04:53:43.359087Z","bundle_sha256":"738fb15caf6283209e4300f3d26d8e3831e07e5ef808ec5106f385620b1eb0a0"}}