{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:DAICAYB74CHJY3PIWZ46SW4I4O","short_pith_number":"pith:DAICAYB7","canonical_record":{"source":{"id":"0910.0270","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2009-10-01T21:43:15Z","cross_cats_sorted":["cond-mat.soft","q-bio.MN","q-bio.QM"],"title_canon_sha256":"a1db57594f530ebade279dce3c971889c53d753c51603204a78db90e0eb86837","abstract_canon_sha256":"21fa958faaeb88cc6d0c55ddb745693173ad81ae913fbdd08464d67eeb53ebfc"},"schema_version":"1.0"},"canonical_sha256":"181020603fe08e9c6de8b679e95b88e380e70ea2cbc06491ebe6e5d6683e0f4d","source":{"kind":"arxiv","id":"0910.0270","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.0270","created_at":"2026-05-18T04:39:39Z"},{"alias_kind":"arxiv_version","alias_value":"0910.0270v1","created_at":"2026-05-18T04:39:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.0270","created_at":"2026-05-18T04:39:39Z"},{"alias_kind":"pith_short_12","alias_value":"DAICAYB74CHJ","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"DAICAYB74CHJY3PI","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"DAICAYB7","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:DAICAYB74CHJY3PIWZ46SW4I4O","target":"record","payload":{"canonical_record":{"source":{"id":"0910.0270","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2009-10-01T21:43:15Z","cross_cats_sorted":["cond-mat.soft","q-bio.MN","q-bio.QM"],"title_canon_sha256":"a1db57594f530ebade279dce3c971889c53d753c51603204a78db90e0eb86837","abstract_canon_sha256":"21fa958faaeb88cc6d0c55ddb745693173ad81ae913fbdd08464d67eeb53ebfc"},"schema_version":"1.0"},"canonical_sha256":"181020603fe08e9c6de8b679e95b88e380e70ea2cbc06491ebe6e5d6683e0f4d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:39:39.099631Z","signature_b64":"4bV0guD5QwDHc/3g5kuAbhrtz/QhgtddInN8JfD/UQKfdLmIRDCpUogO7XVCfCW2PbbAG46cMbnW3Vx8+VKWAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"181020603fe08e9c6de8b679e95b88e380e70ea2cbc06491ebe6e5d6683e0f4d","last_reissued_at":"2026-05-18T04:39:39.099152Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:39:39.099152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.0270","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":"2026-05-18T04:39:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vzwvrUUhXtlEfvQegV0ogBkmkl2uyDpLel35xAiEmS1fhL/S/2G6dEyv/KhLR3HhDW7pIqLN1PDUjjfOJK0hDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T06:19:00.253215Z"},"content_sha256":"19b660a086e9573f8cdd269359df08d1641a60f4854507b6b63a0733413c567c","schema_version":"1.0","event_id":"sha256:19b660a086e9573f8cdd269359df08d1641a60f4854507b6b63a0733413c567c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:DAICAYB74CHJY3PIWZ46SW4I4O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enzyme-Based Logic Systems for Information Processing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft","q-bio.MN","q-bio.QM"],"primary_cat":"physics.bio-ph","authors_text":"Evgeny Katz, Vladimir Privman","submitted_at":"2009-10-01T21:43:15Z","abstract_excerpt":"We review enzymatic systems which involve biocatalytic reactions utilized for information processing (biocomputing). Extensive ongoing research in biocomputing, mimicking Boolean logic gates has been motivated by potential applications in biotechnology and medicine. Furthermore, novel sensor concepts have been contemplated with multiple inputs processed biochemically before the final output is coupled to transducing \"smart-material\" electrodes and other systems. These applications have warranted recent emphasis on networking of biocomputing gates. First few-gate networks have been experimental"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.0270","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":"2026-05-18T04:39:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4jMTHNpLWOb1KfkClii5SgBavtbXRSk8wxtyJSqAWY9R/ZseNxTHjSP4XElimypdH3paS1pd8/oZ+7ly3U63Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T06:19:00.253588Z"},"content_sha256":"b7a687e4fbf2e8312d36f37ebfe3b092347e9e090887ccb3856bcb99e3de8fd7","schema_version":"1.0","event_id":"sha256:b7a687e4fbf2e8312d36f37ebfe3b092347e9e090887ccb3856bcb99e3de8fd7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DAICAYB74CHJY3PIWZ46SW4I4O/bundle.json","state_url":"https://pith.science/pith/DAICAYB74CHJY3PIWZ46SW4I4O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DAICAYB74CHJY3PIWZ46SW4I4O/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":"2026-06-01T06:19:00Z","links":{"resolver":"https://pith.science/pith/DAICAYB74CHJY3PIWZ46SW4I4O","bundle":"https://pith.science/pith/DAICAYB74CHJY3PIWZ46SW4I4O/bundle.json","state":"https://pith.science/pith/DAICAYB74CHJY3PIWZ46SW4I4O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DAICAYB74CHJY3PIWZ46SW4I4O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:DAICAYB74CHJY3PIWZ46SW4I4O","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":"21fa958faaeb88cc6d0c55ddb745693173ad81ae913fbdd08464d67eeb53ebfc","cross_cats_sorted":["cond-mat.soft","q-bio.MN","q-bio.QM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2009-10-01T21:43:15Z","title_canon_sha256":"a1db57594f530ebade279dce3c971889c53d753c51603204a78db90e0eb86837"},"schema_version":"1.0","source":{"id":"0910.0270","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.0270","created_at":"2026-05-18T04:39:39Z"},{"alias_kind":"arxiv_version","alias_value":"0910.0270v1","created_at":"2026-05-18T04:39:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.0270","created_at":"2026-05-18T04:39:39Z"},{"alias_kind":"pith_short_12","alias_value":"DAICAYB74CHJ","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"DAICAYB74CHJY3PI","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"DAICAYB7","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:b7a687e4fbf2e8312d36f37ebfe3b092347e9e090887ccb3856bcb99e3de8fd7","target":"graph","created_at":"2026-05-18T04:39:39Z","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 review enzymatic systems which involve biocatalytic reactions utilized for information processing (biocomputing). Extensive ongoing research in biocomputing, mimicking Boolean logic gates has been motivated by potential applications in biotechnology and medicine. Furthermore, novel sensor concepts have been contemplated with multiple inputs processed biochemically before the final output is coupled to transducing \"smart-material\" electrodes and other systems. These applications have warranted recent emphasis on networking of biocomputing gates. First few-gate networks have been experimental","authors_text":"Evgeny Katz, Vladimir Privman","cross_cats":["cond-mat.soft","q-bio.MN","q-bio.QM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2009-10-01T21:43:15Z","title":"Enzyme-Based Logic Systems for Information Processing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.0270","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":"sha256:19b660a086e9573f8cdd269359df08d1641a60f4854507b6b63a0733413c567c","target":"record","created_at":"2026-05-18T04:39:39Z","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":"21fa958faaeb88cc6d0c55ddb745693173ad81ae913fbdd08464d67eeb53ebfc","cross_cats_sorted":["cond-mat.soft","q-bio.MN","q-bio.QM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2009-10-01T21:43:15Z","title_canon_sha256":"a1db57594f530ebade279dce3c971889c53d753c51603204a78db90e0eb86837"},"schema_version":"1.0","source":{"id":"0910.0270","kind":"arxiv","version":1}},"canonical_sha256":"181020603fe08e9c6de8b679e95b88e380e70ea2cbc06491ebe6e5d6683e0f4d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"181020603fe08e9c6de8b679e95b88e380e70ea2cbc06491ebe6e5d6683e0f4d","first_computed_at":"2026-05-18T04:39:39.099152Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:39:39.099152Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4bV0guD5QwDHc/3g5kuAbhrtz/QhgtddInN8JfD/UQKfdLmIRDCpUogO7XVCfCW2PbbAG46cMbnW3Vx8+VKWAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:39:39.099631Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.0270","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:19b660a086e9573f8cdd269359df08d1641a60f4854507b6b63a0733413c567c","sha256:b7a687e4fbf2e8312d36f37ebfe3b092347e9e090887ccb3856bcb99e3de8fd7"],"state_sha256":"75eaca1461bbba75db6e5b738f35c885863431c77f1b76239300b14838ed7763"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v1p9B/B1Wdk6lSxbVBvbEN3kV8SUbBV2Xg9RzgHBFbIIbG/GXAP+fRVIzrgPIyK6C+4crVpGoDippTnbmKu3AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T06:19:00.255719Z","bundle_sha256":"2ee5089e8f3067f227559db3bdf6385f742ef3973f636032612f04fd926d9fd2"}}