{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:G6B3S5MY342HH6IK7RII4B4FY6","short_pith_number":"pith:G6B3S5MY","canonical_record":{"source":{"id":"1805.01552","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-05-03T21:47:09Z","cross_cats_sorted":[],"title_canon_sha256":"50830a1690356d416e777a27c6dd3e81150f0da20293d6e7afe55985aeb6fc36","abstract_canon_sha256":"b9bc7da9dedf87a9004f3405759133058b3c8e4dd1d8db0aa18b08dfd57da01f"},"schema_version":"1.0"},"canonical_sha256":"3783b97598df3473f90afc508e0785c7a561c208c486af187837e3f9149ca458","source":{"kind":"arxiv","id":"1805.01552","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.01552","created_at":"2026-05-18T00:00:30Z"},{"alias_kind":"arxiv_version","alias_value":"1805.01552v3","created_at":"2026-05-18T00:00:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.01552","created_at":"2026-05-18T00:00:30Z"},{"alias_kind":"pith_short_12","alias_value":"G6B3S5MY342H","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"G6B3S5MY342HH6IK","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"G6B3S5MY","created_at":"2026-05-18T12:32:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:G6B3S5MY342HH6IK7RII4B4FY6","target":"record","payload":{"canonical_record":{"source":{"id":"1805.01552","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-05-03T21:47:09Z","cross_cats_sorted":[],"title_canon_sha256":"50830a1690356d416e777a27c6dd3e81150f0da20293d6e7afe55985aeb6fc36","abstract_canon_sha256":"b9bc7da9dedf87a9004f3405759133058b3c8e4dd1d8db0aa18b08dfd57da01f"},"schema_version":"1.0"},"canonical_sha256":"3783b97598df3473f90afc508e0785c7a561c208c486af187837e3f9149ca458","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:30.359919Z","signature_b64":"iAm4DxzMlgFn32F4otGuF37REpJwFA9CzYcWbkyXWqPejQl91HMHFGi2w8gzMVmkssQgJDH9kZp8l829zY/FCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3783b97598df3473f90afc508e0785c7a561c208c486af187837e3f9149ca458","last_reissued_at":"2026-05-18T00:00:30.359327Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:30.359327Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.01552","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":"2026-05-18T00:00:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2WY31KUjUxV1XJ+fSiM6mJQ1dof3RGuBjwLTxQlqD6NHEx1wcWv3GKLKOkXjswAEL94kRm672BNjuV+PlygxCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T08:34:59.543485Z"},"content_sha256":"768839666d2a6b83c941d6ee5d41fe25a5b3ce5daf8396d927728bd1d232e0e5","schema_version":"1.0","event_id":"sha256:768839666d2a6b83c941d6ee5d41fe25a5b3ce5daf8396d927728bd1d232e0e5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:G6B3S5MY342HH6IK7RII4B4FY6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Normative atlases of neuroelectric brain activity and connectivity from a large human cohort","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.NC","authors_text":"David O. Okonkwo, Don Krieger, Paul Shepard","submitted_at":"2018-05-03T21:47:09Z","abstract_excerpt":"Magnetoencephalographic (MEG) recordings from a large normative cohort (n = 619) were processed to extract measures of regional neuroelectric activity. The overall objective of the effort was to use these measures to identify normative human neuroelectric brain function. The aims were (a) to identify and measure the values and range of those neuroelectric properties which are common to the cohort, (b) to identify and measure the values and range of those neuroelectric properties which distinguish one individual from another, and (c) to identify relationships of the measures to properties of th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.01552","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":"2026-05-18T00:00:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"01pEDgFdUElro3DDDMR3oO/2GuvEmSGMqN4lUoJgF8DVNgTcSUHI9VKaa2Fz8rpceyci3dvjFO7+XI/wuDbBBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T08:34:59.543827Z"},"content_sha256":"ef08ef2e6158670e7312cb2760f27594107aea2e1d9ee28e2ac3c9c477b4280c","schema_version":"1.0","event_id":"sha256:ef08ef2e6158670e7312cb2760f27594107aea2e1d9ee28e2ac3c9c477b4280c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G6B3S5MY342HH6IK7RII4B4FY6/bundle.json","state_url":"https://pith.science/pith/G6B3S5MY342HH6IK7RII4B4FY6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G6B3S5MY342HH6IK7RII4B4FY6/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":"2026-07-05T08:34:59Z","links":{"resolver":"https://pith.science/pith/G6B3S5MY342HH6IK7RII4B4FY6","bundle":"https://pith.science/pith/G6B3S5MY342HH6IK7RII4B4FY6/bundle.json","state":"https://pith.science/pith/G6B3S5MY342HH6IK7RII4B4FY6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G6B3S5MY342HH6IK7RII4B4FY6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:G6B3S5MY342HH6IK7RII4B4FY6","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":"b9bc7da9dedf87a9004f3405759133058b3c8e4dd1d8db0aa18b08dfd57da01f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-05-03T21:47:09Z","title_canon_sha256":"50830a1690356d416e777a27c6dd3e81150f0da20293d6e7afe55985aeb6fc36"},"schema_version":"1.0","source":{"id":"1805.01552","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.01552","created_at":"2026-05-18T00:00:30Z"},{"alias_kind":"arxiv_version","alias_value":"1805.01552v3","created_at":"2026-05-18T00:00:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.01552","created_at":"2026-05-18T00:00:30Z"},{"alias_kind":"pith_short_12","alias_value":"G6B3S5MY342H","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"G6B3S5MY342HH6IK","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"G6B3S5MY","created_at":"2026-05-18T12:32:25Z"}],"graph_snapshots":[{"event_id":"sha256:ef08ef2e6158670e7312cb2760f27594107aea2e1d9ee28e2ac3c9c477b4280c","target":"graph","created_at":"2026-05-18T00:00:30Z","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":"Magnetoencephalographic (MEG) recordings from a large normative cohort (n = 619) were processed to extract measures of regional neuroelectric activity. The overall objective of the effort was to use these measures to identify normative human neuroelectric brain function. The aims were (a) to identify and measure the values and range of those neuroelectric properties which are common to the cohort, (b) to identify and measure the values and range of those neuroelectric properties which distinguish one individual from another, and (c) to identify relationships of the measures to properties of th","authors_text":"David O. Okonkwo, Don Krieger, Paul Shepard","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-05-03T21:47:09Z","title":"Normative atlases of neuroelectric brain activity and connectivity from a large human cohort"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.01552","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":"sha256:768839666d2a6b83c941d6ee5d41fe25a5b3ce5daf8396d927728bd1d232e0e5","target":"record","created_at":"2026-05-18T00:00:30Z","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":"b9bc7da9dedf87a9004f3405759133058b3c8e4dd1d8db0aa18b08dfd57da01f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-05-03T21:47:09Z","title_canon_sha256":"50830a1690356d416e777a27c6dd3e81150f0da20293d6e7afe55985aeb6fc36"},"schema_version":"1.0","source":{"id":"1805.01552","kind":"arxiv","version":3}},"canonical_sha256":"3783b97598df3473f90afc508e0785c7a561c208c486af187837e3f9149ca458","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3783b97598df3473f90afc508e0785c7a561c208c486af187837e3f9149ca458","first_computed_at":"2026-05-18T00:00:30.359327Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:30.359327Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iAm4DxzMlgFn32F4otGuF37REpJwFA9CzYcWbkyXWqPejQl91HMHFGi2w8gzMVmkssQgJDH9kZp8l829zY/FCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:30.359919Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.01552","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:768839666d2a6b83c941d6ee5d41fe25a5b3ce5daf8396d927728bd1d232e0e5","sha256:ef08ef2e6158670e7312cb2760f27594107aea2e1d9ee28e2ac3c9c477b4280c"],"state_sha256":"b6b245ecfe08d40ed836c24d67818b65b9211f2485c6be3cffad4f4842e64ca0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"se3kep/lBT0q2YPrKP/JKTC3GKqjlCnU17Q0XE11xIVuweBPe4vIAE/dSB6xIKs789F9dpd6CKibcmlnVCIuAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T08:34:59.545805Z","bundle_sha256":"7463cfb556e3578f6d992db1d0bb440979e78777fb4248d96cf1577110451b18"}}