{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:6WDNUXEGJAAC3VWANKO6S6XPHR","short_pith_number":"pith:6WDNUXEG","canonical_record":{"source":{"id":"1305.1926","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-05-08T14:38:10Z","cross_cats_sorted":["cs.ET","math.IT"],"title_canon_sha256":"31d099decf092ad62ebafeec8f771bb71089a5dbda189372e94d195b9badc8f0","abstract_canon_sha256":"d79772acd218e920396287fd0ca4e211bb1146b81bd96d89eabb43a6309b7c26"},"schema_version":"1.0"},"canonical_sha256":"f586da5c8648002dd6c06a9de97aef3c510451f110c7c9881d43ee2108831589","source":{"kind":"arxiv","id":"1305.1926","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.1926","created_at":"2026-05-18T03:01:46Z"},{"alias_kind":"arxiv_version","alias_value":"1305.1926v4","created_at":"2026-05-18T03:01:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.1926","created_at":"2026-05-18T03:01:46Z"},{"alias_kind":"pith_short_12","alias_value":"6WDNUXEGJAAC","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6WDNUXEGJAAC3VWA","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6WDNUXEG","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:6WDNUXEGJAAC3VWANKO6S6XPHR","target":"record","payload":{"canonical_record":{"source":{"id":"1305.1926","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-05-08T14:38:10Z","cross_cats_sorted":["cs.ET","math.IT"],"title_canon_sha256":"31d099decf092ad62ebafeec8f771bb71089a5dbda189372e94d195b9badc8f0","abstract_canon_sha256":"d79772acd218e920396287fd0ca4e211bb1146b81bd96d89eabb43a6309b7c26"},"schema_version":"1.0"},"canonical_sha256":"f586da5c8648002dd6c06a9de97aef3c510451f110c7c9881d43ee2108831589","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:01:46.553633Z","signature_b64":"8WuogLgjh1j40xRTVJZeJpaMDNblaUsEa2gmVL+qD7bb/PbrCnsY3qOTfa5MHlG5tbtXYiJkLGtFQgAhsJLfCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f586da5c8648002dd6c06a9de97aef3c510451f110c7c9881d43ee2108831589","last_reissued_at":"2026-05-18T03:01:46.553056Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:01:46.553056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.1926","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":"2026-05-18T03:01:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DCl7+LTDqkL5MdoqsU9xM1o2ah1+ldDLhp0RTv6vwdRaFnxbGlKmvV7ZKba7NUpogp3602B1Hqy07Kg9j2x/BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T22:12:16.109297Z"},"content_sha256":"6271ccb801bbb32d689b8d352f1de5d03f8e1538e4862736e2c9a27b61af17b2","schema_version":"1.0","event_id":"sha256:6271ccb801bbb32d689b8d352f1de5d03f8e1538e4862736e2c9a27b61af17b2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:6WDNUXEGJAAC3VWANKO6S6XPHR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Improving Receiver Performance of Diffusive Molecular Communication with Enzymes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.ET","math.IT"],"primary_cat":"cs.IT","authors_text":"Adam Noel, Karen C. Cheung, Robert Schober","submitted_at":"2013-05-08T14:38:10Z","abstract_excerpt":"This paper studies the mitigation of intersymbol interference in a diffusive molecular communication system using enzymes that freely diffuse in the propagation environment. The enzymes form reaction intermediates with information molecules and then degrade them so that they cannot interfere with future transmissions. A lower bound expression on the expected number of molecules measured at the receiver is derived. A simple binary receiver detection scheme is proposed where the number of observed molecules is sampled at the time when the maximum number of molecules is expected. Insight is also "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.1926","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":"2026-05-18T03:01:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A66eBg38SYBCU23POvAtKCIrH71UI6oXe+mlORi69peWh8lY8iDQNvqd2mUUaaMMiggadzAhGYF/LslhVdIXBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T22:12:16.109914Z"},"content_sha256":"2ebe10775816c3e6774b3a270beff2707fb826d2f16bb5c44ffe826894111351","schema_version":"1.0","event_id":"sha256:2ebe10775816c3e6774b3a270beff2707fb826d2f16bb5c44ffe826894111351"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6WDNUXEGJAAC3VWANKO6S6XPHR/bundle.json","state_url":"https://pith.science/pith/6WDNUXEGJAAC3VWANKO6S6XPHR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6WDNUXEGJAAC3VWANKO6S6XPHR/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":"2026-05-30T22:12:16Z","links":{"resolver":"https://pith.science/pith/6WDNUXEGJAAC3VWANKO6S6XPHR","bundle":"https://pith.science/pith/6WDNUXEGJAAC3VWANKO6S6XPHR/bundle.json","state":"https://pith.science/pith/6WDNUXEGJAAC3VWANKO6S6XPHR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6WDNUXEGJAAC3VWANKO6S6XPHR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:6WDNUXEGJAAC3VWANKO6S6XPHR","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":"d79772acd218e920396287fd0ca4e211bb1146b81bd96d89eabb43a6309b7c26","cross_cats_sorted":["cs.ET","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-05-08T14:38:10Z","title_canon_sha256":"31d099decf092ad62ebafeec8f771bb71089a5dbda189372e94d195b9badc8f0"},"schema_version":"1.0","source":{"id":"1305.1926","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.1926","created_at":"2026-05-18T03:01:46Z"},{"alias_kind":"arxiv_version","alias_value":"1305.1926v4","created_at":"2026-05-18T03:01:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.1926","created_at":"2026-05-18T03:01:46Z"},{"alias_kind":"pith_short_12","alias_value":"6WDNUXEGJAAC","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6WDNUXEGJAAC3VWA","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6WDNUXEG","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:2ebe10775816c3e6774b3a270beff2707fb826d2f16bb5c44ffe826894111351","target":"graph","created_at":"2026-05-18T03:01:46Z","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":"This paper studies the mitigation of intersymbol interference in a diffusive molecular communication system using enzymes that freely diffuse in the propagation environment. The enzymes form reaction intermediates with information molecules and then degrade them so that they cannot interfere with future transmissions. A lower bound expression on the expected number of molecules measured at the receiver is derived. A simple binary receiver detection scheme is proposed where the number of observed molecules is sampled at the time when the maximum number of molecules is expected. Insight is also ","authors_text":"Adam Noel, Karen C. Cheung, Robert Schober","cross_cats":["cs.ET","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-05-08T14:38:10Z","title":"Improving Receiver Performance of Diffusive Molecular Communication with Enzymes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.1926","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":"sha256:6271ccb801bbb32d689b8d352f1de5d03f8e1538e4862736e2c9a27b61af17b2","target":"record","created_at":"2026-05-18T03:01:46Z","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":"d79772acd218e920396287fd0ca4e211bb1146b81bd96d89eabb43a6309b7c26","cross_cats_sorted":["cs.ET","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2013-05-08T14:38:10Z","title_canon_sha256":"31d099decf092ad62ebafeec8f771bb71089a5dbda189372e94d195b9badc8f0"},"schema_version":"1.0","source":{"id":"1305.1926","kind":"arxiv","version":4}},"canonical_sha256":"f586da5c8648002dd6c06a9de97aef3c510451f110c7c9881d43ee2108831589","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f586da5c8648002dd6c06a9de97aef3c510451f110c7c9881d43ee2108831589","first_computed_at":"2026-05-18T03:01:46.553056Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:01:46.553056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8WuogLgjh1j40xRTVJZeJpaMDNblaUsEa2gmVL+qD7bb/PbrCnsY3qOTfa5MHlG5tbtXYiJkLGtFQgAhsJLfCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:01:46.553633Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.1926","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6271ccb801bbb32d689b8d352f1de5d03f8e1538e4862736e2c9a27b61af17b2","sha256:2ebe10775816c3e6774b3a270beff2707fb826d2f16bb5c44ffe826894111351"],"state_sha256":"801f4bb8e5d9bcd783f4bab6b2ad76f052e0c893858bac2039903f9f4971ea3a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h5eQ3sypLiXJRdL6XU4/TILB4tqKZ3t07D0qvxmLQJLjcep2eT2lDF6XJx5GGtOz20DqxYQnfGL+fpofhwkGCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T22:12:16.113671Z","bundle_sha256":"5f19f164c66c238a59897acd6adcbe74c17bf5b95b96f4c129ea42b6b65567c0"}}