{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:736XCFBHK3LOEHQSWGA54EGS5X","short_pith_number":"pith:736XCFBH","canonical_record":{"source":{"id":"1102.4594","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2011-02-22T19:50:06Z","cross_cats_sorted":["cond-mat.other","cond-mat.soft"],"title_canon_sha256":"999fe84777bb560b774232d68722228f9a7d9eec81e70d94fe7ead5bd0a26924","abstract_canon_sha256":"16259dff1e499944b4565d9c6105f610ff78b1f38ad043fc17890ee370d0c6c4"},"schema_version":"1.0"},"canonical_sha256":"fefd71142756d6e21e12b181de10d2edc1ca2d8df3bdbf36417396b11b382e5a","source":{"kind":"arxiv","id":"1102.4594","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.4594","created_at":"2026-05-18T04:15:36Z"},{"alias_kind":"arxiv_version","alias_value":"1102.4594v2","created_at":"2026-05-18T04:15:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.4594","created_at":"2026-05-18T04:15:36Z"},{"alias_kind":"pith_short_12","alias_value":"736XCFBHK3LO","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"736XCFBHK3LOEHQS","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"736XCFBH","created_at":"2026-05-18T12:26:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:736XCFBHK3LOEHQSWGA54EGS5X","target":"record","payload":{"canonical_record":{"source":{"id":"1102.4594","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2011-02-22T19:50:06Z","cross_cats_sorted":["cond-mat.other","cond-mat.soft"],"title_canon_sha256":"999fe84777bb560b774232d68722228f9a7d9eec81e70d94fe7ead5bd0a26924","abstract_canon_sha256":"16259dff1e499944b4565d9c6105f610ff78b1f38ad043fc17890ee370d0c6c4"},"schema_version":"1.0"},"canonical_sha256":"fefd71142756d6e21e12b181de10d2edc1ca2d8df3bdbf36417396b11b382e5a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:15:36.804341Z","signature_b64":"VTfzP561x4cpivc9v6A0I9xg7xnZlJfVfNjJL3ZJVrKGMcY2JRfKY5IVAB+Pq5f3LOW4eLPQy41VGaI0ThnmDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fefd71142756d6e21e12b181de10d2edc1ca2d8df3bdbf36417396b11b382e5a","last_reissued_at":"2026-05-18T04:15:36.803876Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:15:36.803876Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.4594","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:15:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nVdbwU7bhOGo1TWmS3IIpGAb+k3UTHFyO1MmF/Lc3hEW5xa1Jynf1//rgJdFigZLXXbKrobR/muDalLe2vauDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T04:11:02.719265Z"},"content_sha256":"cd4fc4d632ba84024f17145e5027bf23abed16d663f1b12e25c99a74df0edc8f","schema_version":"1.0","event_id":"sha256:cd4fc4d632ba84024f17145e5027bf23abed16d663f1b12e25c99a74df0edc8f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:736XCFBHK3LOEHQSWGA54EGS5X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Growth of immobilized DNA by polymerase: bridging nanoelectrodes with individual dsDNA molecules","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","cond-mat.soft"],"primary_cat":"physics.bio-ph","authors_text":"Boxuan Shen, Einari Niskanen, Jenni Leppiniemi, J. Jussi Toppari, Veikko Linko, Vesa P. Hyt\\\"onen","submitted_at":"2011-02-22T19:50:06Z","abstract_excerpt":"We present a method for controlled connection of gold electrodes with dsDNA molecules (locally on a chip) by utilizing polymerase to elongate single-stranded DNA primers attached to the electrodes. Thiol-modified oligonucleotides are directed and immobilized to nanoscale electrodes by means of dielectrophoretic trapping, and extended in a procedure mimicking PCR, finally forming a complete dsDNA molecule bridging the gap between the electrodes. The technique opens up opportunities for building from the bottom-up, for detection and sensing applications, and also for molecular electronics."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.4594","kind":"arxiv","version":2},"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":"2026-05-18T04:15:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O/ECTtrIBf6Q1wp+IS4KlT+Oqg07JPmQTs344TqykCTVmbnP/onxRQYir1hlxIo6Md2OC4XFWAm6lqfcyEGzBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T04:11:02.719642Z"},"content_sha256":"93539dfd9735d8e84c5035c6beddf3efb3797d19836b2ef45772726ac96ef337","schema_version":"1.0","event_id":"sha256:93539dfd9735d8e84c5035c6beddf3efb3797d19836b2ef45772726ac96ef337"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/736XCFBHK3LOEHQSWGA54EGS5X/bundle.json","state_url":"https://pith.science/pith/736XCFBHK3LOEHQSWGA54EGS5X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/736XCFBHK3LOEHQSWGA54EGS5X/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":"2026-06-01T04:11:02Z","links":{"resolver":"https://pith.science/pith/736XCFBHK3LOEHQSWGA54EGS5X","bundle":"https://pith.science/pith/736XCFBHK3LOEHQSWGA54EGS5X/bundle.json","state":"https://pith.science/pith/736XCFBHK3LOEHQSWGA54EGS5X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/736XCFBHK3LOEHQSWGA54EGS5X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:736XCFBHK3LOEHQSWGA54EGS5X","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":"16259dff1e499944b4565d9c6105f610ff78b1f38ad043fc17890ee370d0c6c4","cross_cats_sorted":["cond-mat.other","cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2011-02-22T19:50:06Z","title_canon_sha256":"999fe84777bb560b774232d68722228f9a7d9eec81e70d94fe7ead5bd0a26924"},"schema_version":"1.0","source":{"id":"1102.4594","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.4594","created_at":"2026-05-18T04:15:36Z"},{"alias_kind":"arxiv_version","alias_value":"1102.4594v2","created_at":"2026-05-18T04:15:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.4594","created_at":"2026-05-18T04:15:36Z"},{"alias_kind":"pith_short_12","alias_value":"736XCFBHK3LO","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"736XCFBHK3LOEHQS","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"736XCFBH","created_at":"2026-05-18T12:26:22Z"}],"graph_snapshots":[{"event_id":"sha256:93539dfd9735d8e84c5035c6beddf3efb3797d19836b2ef45772726ac96ef337","target":"graph","created_at":"2026-05-18T04:15:36Z","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 present a method for controlled connection of gold electrodes with dsDNA molecules (locally on a chip) by utilizing polymerase to elongate single-stranded DNA primers attached to the electrodes. Thiol-modified oligonucleotides are directed and immobilized to nanoscale electrodes by means of dielectrophoretic trapping, and extended in a procedure mimicking PCR, finally forming a complete dsDNA molecule bridging the gap between the electrodes. The technique opens up opportunities for building from the bottom-up, for detection and sensing applications, and also for molecular electronics.","authors_text":"Boxuan Shen, Einari Niskanen, Jenni Leppiniemi, J. Jussi Toppari, Veikko Linko, Vesa P. Hyt\\\"onen","cross_cats":["cond-mat.other","cond-mat.soft"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2011-02-22T19:50:06Z","title":"Growth of immobilized DNA by polymerase: bridging nanoelectrodes with individual dsDNA molecules"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.4594","kind":"arxiv","version":2},"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:cd4fc4d632ba84024f17145e5027bf23abed16d663f1b12e25c99a74df0edc8f","target":"record","created_at":"2026-05-18T04:15:36Z","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":"16259dff1e499944b4565d9c6105f610ff78b1f38ad043fc17890ee370d0c6c4","cross_cats_sorted":["cond-mat.other","cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2011-02-22T19:50:06Z","title_canon_sha256":"999fe84777bb560b774232d68722228f9a7d9eec81e70d94fe7ead5bd0a26924"},"schema_version":"1.0","source":{"id":"1102.4594","kind":"arxiv","version":2}},"canonical_sha256":"fefd71142756d6e21e12b181de10d2edc1ca2d8df3bdbf36417396b11b382e5a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fefd71142756d6e21e12b181de10d2edc1ca2d8df3bdbf36417396b11b382e5a","first_computed_at":"2026-05-18T04:15:36.803876Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:15:36.803876Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VTfzP561x4cpivc9v6A0I9xg7xnZlJfVfNjJL3ZJVrKGMcY2JRfKY5IVAB+Pq5f3LOW4eLPQy41VGaI0ThnmDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:15:36.804341Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.4594","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd4fc4d632ba84024f17145e5027bf23abed16d663f1b12e25c99a74df0edc8f","sha256:93539dfd9735d8e84c5035c6beddf3efb3797d19836b2ef45772726ac96ef337"],"state_sha256":"4c305158cd2d03073d5f815cbe2fe45fbc71de0312ea28c02f59cb78a8075cbc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/4JMu3BTa9SPdiiM/ahhKVWnX9K4xuf8lb4aooTLkuQszkUFN4ld8BIEY4ykQm8jGBRdcN8KWquEnpddl6E3Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T04:11:02.721835Z","bundle_sha256":"e15fcbf70f4ee9bd2ea8be9d78dd7f2bff5c3b03c006e54934177c4ab3125a38"}}