{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:UQWAXDQCIPRUWQT7PIFXPXLC67","short_pith_number":"pith:UQWAXDQC","canonical_record":{"source":{"id":"1208.3228","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.DS","submitted_at":"2012-08-15T21:11:21Z","cross_cats_sorted":["physics.bio-ph","q-bio.NC"],"title_canon_sha256":"7e3f39d35a01accb9c2bf87ab4e645aa0e67407690e7d7f4dbcf23be323b19b6","abstract_canon_sha256":"318f6cc21faf594347b2cef03cfd9b54d63b84b8008191c0f420cff1db225ca0"},"schema_version":"1.0"},"canonical_sha256":"a42c0b8e0243e34b427f7a0b77dd62f7f008a5cd724f2245da646adc4bd978fc","source":{"kind":"arxiv","id":"1208.3228","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.3228","created_at":"2026-05-18T03:48:36Z"},{"alias_kind":"arxiv_version","alias_value":"1208.3228v1","created_at":"2026-05-18T03:48:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.3228","created_at":"2026-05-18T03:48:36Z"},{"alias_kind":"pith_short_12","alias_value":"UQWAXDQCIPRU","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"UQWAXDQCIPRUWQT7","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"UQWAXDQC","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:UQWAXDQCIPRUWQT7PIFXPXLC67","target":"record","payload":{"canonical_record":{"source":{"id":"1208.3228","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.DS","submitted_at":"2012-08-15T21:11:21Z","cross_cats_sorted":["physics.bio-ph","q-bio.NC"],"title_canon_sha256":"7e3f39d35a01accb9c2bf87ab4e645aa0e67407690e7d7f4dbcf23be323b19b6","abstract_canon_sha256":"318f6cc21faf594347b2cef03cfd9b54d63b84b8008191c0f420cff1db225ca0"},"schema_version":"1.0"},"canonical_sha256":"a42c0b8e0243e34b427f7a0b77dd62f7f008a5cd724f2245da646adc4bd978fc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:48:36.470915Z","signature_b64":"+Uwed9DH96xFwZr+M0vGAJs/F5qhq0+bwHZZsrHP57Ve+BHMszNhhKxxdqahIYmOYZE4jlUij9t3cfUt3C5aAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a42c0b8e0243e34b427f7a0b77dd62f7f008a5cd724f2245da646adc4bd978fc","last_reissued_at":"2026-05-18T03:48:36.470494Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:48:36.470494Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.3228","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":"2026-05-18T03:48:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n73i860XiBCIezSrcAUAiCmnfwzGHe7usc0dvFxN+F8qTbNaDsgabQpKrMPhjJDLgvGIonO2TOQRyD+EoaarCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T00:55:40.520231Z"},"content_sha256":"b7f04a6457bfa010ab27d9ccf5147e81f0905635d24951c577d3508b415be4e4","schema_version":"1.0","event_id":"sha256:b7f04a6457bfa010ab27d9ccf5147e81f0905635d24951c577d3508b415be4e4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:UQWAXDQCIPRUWQT7PIFXPXLC67","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Model of the Human Sleep Wake System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.bio-ph","q-bio.NC"],"primary_cat":"math.DS","authors_text":"Lisa Rogers, Mark Holmes","submitted_at":"2012-08-15T21:11:21Z","abstract_excerpt":"A model and analysis of the human sleep/wake system is presented. The model is derived using the known neuronal groups, and their various projections, involved with sleep and wake. Inherent in the derivation is the existence of a slow time scale associated with homeostatic regulation, and a faster time scale associated with the dynamics within the sleep phase. A significant feature of the model is that it does not contain a periodic forcing term, common in other models, reflecting the fact that sleep/wake is not dependent upon a diurnal stimulus. Once derived, the model is analyzed using a lin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.3228","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":"2026-05-18T03:48:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pEDd3smy2td0Q09Eku7Wr9dtDhFo8P4eKISgUc0CLfRousAQY1D0E1cFDvjLfFzvcTp9TjmgfVCH1BmTCaXcDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T00:55:40.520888Z"},"content_sha256":"d202b34de8c051e48700259c726e1dc2d9d41f2f40c7c57dc332f2f2d610409f","schema_version":"1.0","event_id":"sha256:d202b34de8c051e48700259c726e1dc2d9d41f2f40c7c57dc332f2f2d610409f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UQWAXDQCIPRUWQT7PIFXPXLC67/bundle.json","state_url":"https://pith.science/pith/UQWAXDQCIPRUWQT7PIFXPXLC67/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UQWAXDQCIPRUWQT7PIFXPXLC67/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":"2026-05-23T00:55:40Z","links":{"resolver":"https://pith.science/pith/UQWAXDQCIPRUWQT7PIFXPXLC67","bundle":"https://pith.science/pith/UQWAXDQCIPRUWQT7PIFXPXLC67/bundle.json","state":"https://pith.science/pith/UQWAXDQCIPRUWQT7PIFXPXLC67/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UQWAXDQCIPRUWQT7PIFXPXLC67/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:UQWAXDQCIPRUWQT7PIFXPXLC67","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":"318f6cc21faf594347b2cef03cfd9b54d63b84b8008191c0f420cff1db225ca0","cross_cats_sorted":["physics.bio-ph","q-bio.NC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.DS","submitted_at":"2012-08-15T21:11:21Z","title_canon_sha256":"7e3f39d35a01accb9c2bf87ab4e645aa0e67407690e7d7f4dbcf23be323b19b6"},"schema_version":"1.0","source":{"id":"1208.3228","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.3228","created_at":"2026-05-18T03:48:36Z"},{"alias_kind":"arxiv_version","alias_value":"1208.3228v1","created_at":"2026-05-18T03:48:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.3228","created_at":"2026-05-18T03:48:36Z"},{"alias_kind":"pith_short_12","alias_value":"UQWAXDQCIPRU","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"UQWAXDQCIPRUWQT7","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"UQWAXDQC","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:d202b34de8c051e48700259c726e1dc2d9d41f2f40c7c57dc332f2f2d610409f","target":"graph","created_at":"2026-05-18T03:48:36Z","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":"A model and analysis of the human sleep/wake system is presented. The model is derived using the known neuronal groups, and their various projections, involved with sleep and wake. Inherent in the derivation is the existence of a slow time scale associated with homeostatic regulation, and a faster time scale associated with the dynamics within the sleep phase. A significant feature of the model is that it does not contain a periodic forcing term, common in other models, reflecting the fact that sleep/wake is not dependent upon a diurnal stimulus. Once derived, the model is analyzed using a lin","authors_text":"Lisa Rogers, Mark Holmes","cross_cats":["physics.bio-ph","q-bio.NC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.DS","submitted_at":"2012-08-15T21:11:21Z","title":"Model of the Human Sleep Wake System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.3228","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:b7f04a6457bfa010ab27d9ccf5147e81f0905635d24951c577d3508b415be4e4","target":"record","created_at":"2026-05-18T03:48:36Z","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":"318f6cc21faf594347b2cef03cfd9b54d63b84b8008191c0f420cff1db225ca0","cross_cats_sorted":["physics.bio-ph","q-bio.NC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.DS","submitted_at":"2012-08-15T21:11:21Z","title_canon_sha256":"7e3f39d35a01accb9c2bf87ab4e645aa0e67407690e7d7f4dbcf23be323b19b6"},"schema_version":"1.0","source":{"id":"1208.3228","kind":"arxiv","version":1}},"canonical_sha256":"a42c0b8e0243e34b427f7a0b77dd62f7f008a5cd724f2245da646adc4bd978fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a42c0b8e0243e34b427f7a0b77dd62f7f008a5cd724f2245da646adc4bd978fc","first_computed_at":"2026-05-18T03:48:36.470494Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:48:36.470494Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+Uwed9DH96xFwZr+M0vGAJs/F5qhq0+bwHZZsrHP57Ve+BHMszNhhKxxdqahIYmOYZE4jlUij9t3cfUt3C5aAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:48:36.470915Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.3228","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b7f04a6457bfa010ab27d9ccf5147e81f0905635d24951c577d3508b415be4e4","sha256:d202b34de8c051e48700259c726e1dc2d9d41f2f40c7c57dc332f2f2d610409f"],"state_sha256":"3597da9e7099612628c0c1ea2dea78e0f52517c4c38bdfa5eb9d3e272a394bd4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t9O+BVB0VVQVZNK8AAVoce6Cu68G0FnQluBjPQS9a2ezLxfl78x4z14GzjZrGPlMKDHx9BqJ467MG4yQcbccDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T00:55:40.523980Z","bundle_sha256":"4d0a5f9e7b3a5c9547048237465c9451170d12d332bf54e60e8a1b76415d7e62"}}