{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:GDW2TRKRXIMQJMBXJISH24FBGV","short_pith_number":"pith:GDW2TRKR","schema_version":"1.0","canonical_sha256":"30eda9c551ba1904b0374a247d70a13544e479facff22d35d32c29b463f385ac","source":{"kind":"arxiv","id":"1710.00559","version":1},"attestation_state":"computed","paper":{"title":"Crude EEG parameter provides sleep medicine with well-defined continuous hypnograms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.NC"],"primary_cat":"stat.AP","authors_text":"Christoph Bandt","submitted_at":"2017-10-02T09:55:45Z","abstract_excerpt":"To evaluate EEG data, one can count local maxima and minima on a fine scale, in a sliding window analysis. This straightforward calculation, which simplifies and improves previous work on permutation entropy, directly defines a good proxy for brain activity in an EEG channel during an epoch of 30 seconds. Different channels and persons can be compared when they are measured with the same device and prefiltering options. This could lead to a rigorously defined and suitably standardized biomarker of cortex activity, like blood pressure or laboratory values. Applied to sleep EEG, the algorithm yi"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1710.00559","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2017-10-02T09:55:45Z","cross_cats_sorted":["q-bio.NC"],"title_canon_sha256":"70ac8e3331979fc2b21f017f3c8b613105716495c1377cc4059380c84c421eb6","abstract_canon_sha256":"aff98251156c9ed95eb29cb48c415a86acc1de22b4963eaff48b95dbcd6d85f5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:54.427504Z","signature_b64":"KZwCmAptvcIb2KmnNbkK9SaEqGrIyi8pG3LsbByV+HwTkxeVQCrk3SD1oviQRcf7brXLj1YOBTofbtM/uOe9BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"30eda9c551ba1904b0374a247d70a13544e479facff22d35d32c29b463f385ac","last_reissued_at":"2026-05-18T00:33:54.426921Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:54.426921Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Crude EEG parameter provides sleep medicine with well-defined continuous hypnograms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.NC"],"primary_cat":"stat.AP","authors_text":"Christoph Bandt","submitted_at":"2017-10-02T09:55:45Z","abstract_excerpt":"To evaluate EEG data, one can count local maxima and minima on a fine scale, in a sliding window analysis. This straightforward calculation, which simplifies and improves previous work on permutation entropy, directly defines a good proxy for brain activity in an EEG channel during an epoch of 30 seconds. Different channels and persons can be compared when they are measured with the same device and prefiltering options. This could lead to a rigorously defined and suitably standardized biomarker of cortex activity, like blood pressure or laboratory values. Applied to sleep EEG, the algorithm yi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.00559","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1710.00559","created_at":"2026-05-18T00:33:54.427008+00:00"},{"alias_kind":"arxiv_version","alias_value":"1710.00559v1","created_at":"2026-05-18T00:33:54.427008+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.00559","created_at":"2026-05-18T00:33:54.427008+00:00"},{"alias_kind":"pith_short_12","alias_value":"GDW2TRKRXIMQ","created_at":"2026-05-18T12:31:15.632608+00:00"},{"alias_kind":"pith_short_16","alias_value":"GDW2TRKRXIMQJMBX","created_at":"2026-05-18T12:31:15.632608+00:00"},{"alias_kind":"pith_short_8","alias_value":"GDW2TRKR","created_at":"2026-05-18T12:31:15.632608+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/GDW2TRKRXIMQJMBXJISH24FBGV","json":"https://pith.science/pith/GDW2TRKRXIMQJMBXJISH24FBGV.json","graph_json":"https://pith.science/api/pith-number/GDW2TRKRXIMQJMBXJISH24FBGV/graph.json","events_json":"https://pith.science/api/pith-number/GDW2TRKRXIMQJMBXJISH24FBGV/events.json","paper":"https://pith.science/paper/GDW2TRKR"},"agent_actions":{"view_html":"https://pith.science/pith/GDW2TRKRXIMQJMBXJISH24FBGV","download_json":"https://pith.science/pith/GDW2TRKRXIMQJMBXJISH24FBGV.json","view_paper":"https://pith.science/paper/GDW2TRKR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1710.00559&json=true","fetch_graph":"https://pith.science/api/pith-number/GDW2TRKRXIMQJMBXJISH24FBGV/graph.json","fetch_events":"https://pith.science/api/pith-number/GDW2TRKRXIMQJMBXJISH24FBGV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GDW2TRKRXIMQJMBXJISH24FBGV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GDW2TRKRXIMQJMBXJISH24FBGV/action/storage_attestation","attest_author":"https://pith.science/pith/GDW2TRKRXIMQJMBXJISH24FBGV/action/author_attestation","sign_citation":"https://pith.science/pith/GDW2TRKRXIMQJMBXJISH24FBGV/action/citation_signature","submit_replication":"https://pith.science/pith/GDW2TRKRXIMQJMBXJISH24FBGV/action/replication_record"}},"created_at":"2026-05-18T00:33:54.427008+00:00","updated_at":"2026-05-18T00:33:54.427008+00:00"}