{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:VKMT7YSJGRP7757Q5QY5YJ66RG","short_pith_number":"pith:VKMT7YSJ","canonical_record":{"source":{"id":"1207.1865","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2012-07-08T12:18:07Z","cross_cats_sorted":["stat.AP"],"title_canon_sha256":"462562c9d67dacb6d463bbc8ef2349b50318555a413ebc8dc1341ffb5f47cd9e","abstract_canon_sha256":"7b3711ce5d1f00fdc43a8df1275cc07ed25f465b5a83383171f1a19fd69b6aad"},"schema_version":"1.0"},"canonical_sha256":"aa993fe249345ffff7f0ec31dc27de89987da79ec8d21b7514cc958635d2b9c0","source":{"kind":"arxiv","id":"1207.1865","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.1865","created_at":"2026-05-18T02:46:13Z"},{"alias_kind":"arxiv_version","alias_value":"1207.1865v3","created_at":"2026-05-18T02:46:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.1865","created_at":"2026-05-18T02:46:13Z"},{"alias_kind":"pith_short_12","alias_value":"VKMT7YSJGRP7","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VKMT7YSJGRP7757Q","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VKMT7YSJ","created_at":"2026-05-18T12:27:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:VKMT7YSJGRP7757Q5QY5YJ66RG","target":"record","payload":{"canonical_record":{"source":{"id":"1207.1865","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2012-07-08T12:18:07Z","cross_cats_sorted":["stat.AP"],"title_canon_sha256":"462562c9d67dacb6d463bbc8ef2349b50318555a413ebc8dc1341ffb5f47cd9e","abstract_canon_sha256":"7b3711ce5d1f00fdc43a8df1275cc07ed25f465b5a83383171f1a19fd69b6aad"},"schema_version":"1.0"},"canonical_sha256":"aa993fe249345ffff7f0ec31dc27de89987da79ec8d21b7514cc958635d2b9c0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:46:13.281518Z","signature_b64":"yed1s5Kjkb4sXEykZ2T84o4zXyvPBwJc/PL1KBTzsnF5oQdZ+LHD0Totd4rDALKpFoqlP4E2pTpgLgMADZR6CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa993fe249345ffff7f0ec31dc27de89987da79ec8d21b7514cc958635d2b9c0","last_reissued_at":"2026-05-18T02:46:13.280765Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:46:13.280765Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.1865","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:46:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EfGIvy79m47SiFJ6+zsrZrBUKMyAFql7CjjrU3BUo8Lv5LhQ6NVS/qJoUMt7bAThri7kekNQVxcJDlf242NZBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T11:17:52.335827Z"},"content_sha256":"d80234d2fa1d0f35346794d9d7a574c2998139935141259b7b45ec9ef007a85c","schema_version":"1.0","event_id":"sha256:d80234d2fa1d0f35346794d9d7a574c2998139935141259b7b45ec9ef007a85c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:VKMT7YSJGRP7757Q5QY5YJ66RG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Estimation in the partially observed stochastic Morris-Lecar neuronal model with particle filter and stochastic approximation methods","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["stat.AP"],"primary_cat":"stat.ME","authors_text":"Adeline Samson, Susanne Ditlevsen","submitted_at":"2012-07-08T12:18:07Z","abstract_excerpt":"Parameter estimation in multidimensional diffusion models with only one coordinate observed is highly relevant in many biological applications, but a statistically difficult problem. In neuroscience, the membrane potential evolution in single neurons can be measured at high frequency, but biophysical realistic models have to include the unobserved dynamics of ion channels. One such model is the stochastic Morris-Lecar model, defined by a nonlinear two-dimensional stochastic differential equation. The coordinates are coupled, that is, the unobserved coordinate is nonautonomous, the model exhibi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.1865","kind":"arxiv","version":3},"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":"2026-05-18T02:46:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Gsg4y2I3U6hcMSib5225biB7xEpKE+sTZfQwixbnHyz/ufELW9blgYtNrZdEzj320GSgqqn4HYGkSfO09mEAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T11:17:52.336170Z"},"content_sha256":"0212fd1b1168d0b1ebeae944e938ef62653727e7c4d3273f02076b2b3661ade0","schema_version":"1.0","event_id":"sha256:0212fd1b1168d0b1ebeae944e938ef62653727e7c4d3273f02076b2b3661ade0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VKMT7YSJGRP7757Q5QY5YJ66RG/bundle.json","state_url":"https://pith.science/pith/VKMT7YSJGRP7757Q5QY5YJ66RG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VKMT7YSJGRP7757Q5QY5YJ66RG/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":"2026-05-21T11:17:52Z","links":{"resolver":"https://pith.science/pith/VKMT7YSJGRP7757Q5QY5YJ66RG","bundle":"https://pith.science/pith/VKMT7YSJGRP7757Q5QY5YJ66RG/bundle.json","state":"https://pith.science/pith/VKMT7YSJGRP7757Q5QY5YJ66RG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VKMT7YSJGRP7757Q5QY5YJ66RG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:VKMT7YSJGRP7757Q5QY5YJ66RG","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":"7b3711ce5d1f00fdc43a8df1275cc07ed25f465b5a83383171f1a19fd69b6aad","cross_cats_sorted":["stat.AP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2012-07-08T12:18:07Z","title_canon_sha256":"462562c9d67dacb6d463bbc8ef2349b50318555a413ebc8dc1341ffb5f47cd9e"},"schema_version":"1.0","source":{"id":"1207.1865","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.1865","created_at":"2026-05-18T02:46:13Z"},{"alias_kind":"arxiv_version","alias_value":"1207.1865v3","created_at":"2026-05-18T02:46:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.1865","created_at":"2026-05-18T02:46:13Z"},{"alias_kind":"pith_short_12","alias_value":"VKMT7YSJGRP7","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VKMT7YSJGRP7757Q","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VKMT7YSJ","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:0212fd1b1168d0b1ebeae944e938ef62653727e7c4d3273f02076b2b3661ade0","target":"graph","created_at":"2026-05-18T02:46:13Z","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":"Parameter estimation in multidimensional diffusion models with only one coordinate observed is highly relevant in many biological applications, but a statistically difficult problem. In neuroscience, the membrane potential evolution in single neurons can be measured at high frequency, but biophysical realistic models have to include the unobserved dynamics of ion channels. One such model is the stochastic Morris-Lecar model, defined by a nonlinear two-dimensional stochastic differential equation. The coordinates are coupled, that is, the unobserved coordinate is nonautonomous, the model exhibi","authors_text":"Adeline Samson, Susanne Ditlevsen","cross_cats":["stat.AP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2012-07-08T12:18:07Z","title":"Estimation in the partially observed stochastic Morris-Lecar neuronal model with particle filter and stochastic approximation methods"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.1865","kind":"arxiv","version":3},"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:d80234d2fa1d0f35346794d9d7a574c2998139935141259b7b45ec9ef007a85c","target":"record","created_at":"2026-05-18T02:46:13Z","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":"7b3711ce5d1f00fdc43a8df1275cc07ed25f465b5a83383171f1a19fd69b6aad","cross_cats_sorted":["stat.AP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2012-07-08T12:18:07Z","title_canon_sha256":"462562c9d67dacb6d463bbc8ef2349b50318555a413ebc8dc1341ffb5f47cd9e"},"schema_version":"1.0","source":{"id":"1207.1865","kind":"arxiv","version":3}},"canonical_sha256":"aa993fe249345ffff7f0ec31dc27de89987da79ec8d21b7514cc958635d2b9c0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aa993fe249345ffff7f0ec31dc27de89987da79ec8d21b7514cc958635d2b9c0","first_computed_at":"2026-05-18T02:46:13.280765Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:46:13.280765Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yed1s5Kjkb4sXEykZ2T84o4zXyvPBwJc/PL1KBTzsnF5oQdZ+LHD0Totd4rDALKpFoqlP4E2pTpgLgMADZR6CA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:46:13.281518Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.1865","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d80234d2fa1d0f35346794d9d7a574c2998139935141259b7b45ec9ef007a85c","sha256:0212fd1b1168d0b1ebeae944e938ef62653727e7c4d3273f02076b2b3661ade0"],"state_sha256":"91199a39f7b29113ff0a723a133ff4c83c4f33bfeceee3859c3dcc686e9d5c18"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xPrvLk/C53Z8za0uLbeBd0gKgZdM03w7LO7CBGNmcNkrZZFGfamNI3+mx/uSCyZd7WL8Go8CsoRMYk7Y7WupDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T11:17:52.338535Z","bundle_sha256":"16971d84d6b7718544dbdee94dfcef94d54bd3904a01e69acd5c28fccaabfab5"}}