{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:URUNRZ74VOA6VMLLV7HELCSEZS","short_pith_number":"pith:URUNRZ74","canonical_record":{"source":{"id":"1403.6339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2014-03-25T13:34:20Z","cross_cats_sorted":[],"title_canon_sha256":"9eadb51b87d52bcaecefad3e492664929ca6f365e1e74a2e91a7372a1ac3d33b","abstract_canon_sha256":"46a5b538e9984b4ba4917908d263e6dd6a8f874353846500cdd513d1abb96d2d"},"schema_version":"1.0"},"canonical_sha256":"a468d8e7fcab81eab16bafce458a44cca3ec5646c1606195d9b1256c0c7aa2fa","source":{"kind":"arxiv","id":"1403.6339","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.6339","created_at":"2026-05-18T02:55:37Z"},{"alias_kind":"arxiv_version","alias_value":"1403.6339v1","created_at":"2026-05-18T02:55:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.6339","created_at":"2026-05-18T02:55:37Z"},{"alias_kind":"pith_short_12","alias_value":"URUNRZ74VOA6","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"URUNRZ74VOA6VMLL","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"URUNRZ74","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:URUNRZ74VOA6VMLLV7HELCSEZS","target":"record","payload":{"canonical_record":{"source":{"id":"1403.6339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2014-03-25T13:34:20Z","cross_cats_sorted":[],"title_canon_sha256":"9eadb51b87d52bcaecefad3e492664929ca6f365e1e74a2e91a7372a1ac3d33b","abstract_canon_sha256":"46a5b538e9984b4ba4917908d263e6dd6a8f874353846500cdd513d1abb96d2d"},"schema_version":"1.0"},"canonical_sha256":"a468d8e7fcab81eab16bafce458a44cca3ec5646c1606195d9b1256c0c7aa2fa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:55:37.161451Z","signature_b64":"73KOnceZWL8vbaX4NqgSHpvjWoY+M6Kck194xpsfHdoxe+Z0JLlKxhh3L62ZmGsA4L0uLnYZo0jspGGMr77qCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a468d8e7fcab81eab16bafce458a44cca3ec5646c1606195d9b1256c0c7aa2fa","last_reissued_at":"2026-05-18T02:55:37.160778Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:55:37.160778Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1403.6339","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":"2026-05-18T02:55:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O5bpVMGtA9yiZyU0vD/CwWYUXsypUwCm9TUz/4xr1kqRtN5bQcPkjFb543Q0pNJ8UqXUBG/0Oons15tDfUx0Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:02:24.577226Z"},"content_sha256":"29265e9d72b27ae066e58f76994105eb5e6d06aeb621dbec86f3c5cb66f63958","schema_version":"1.0","event_id":"sha256:29265e9d72b27ae066e58f76994105eb5e6d06aeb621dbec86f3c5cb66f63958"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:URUNRZ74VOA6VMLLV7HELCSEZS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Brain modularity controls the critical behavior of spontaneous activity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.NC","authors_text":"Hans J Herrmann, Lucilla de Arcangelis, Roberta Russo","submitted_at":"2014-03-25T13:34:20Z","abstract_excerpt":"The human brain exhibits a complex structure made of scale-free highly connected modules loosely interconnected by weaker links to form a small-world network. These features appear in healthy patients whereas neurological diseases often modify this structure. An important open question concerns the role of brain modularity in sustaining the critical behaviour of spontaneous activity. Here we analyse the neuronal activity of a model, successful in reproducing on non-modular networks the scaling behaviour observed in experimental data, on a modular network implementing the main statistical featu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.6339","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":"2026-05-18T02:55:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lSnIHu334Ps2LTmcgjQtHcVwLqRc30jo7cOKXAUsMKjVKbzLd7wIMt3G/JZritcBPl0semAp3AaeEAT/uVGNBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:02:24.577679Z"},"content_sha256":"f9346c73139018479472729eae7900d4cea928732f924e48ffe27b3996ae5b63","schema_version":"1.0","event_id":"sha256:f9346c73139018479472729eae7900d4cea928732f924e48ffe27b3996ae5b63"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/URUNRZ74VOA6VMLLV7HELCSEZS/bundle.json","state_url":"https://pith.science/pith/URUNRZ74VOA6VMLLV7HELCSEZS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/URUNRZ74VOA6VMLLV7HELCSEZS/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":"2026-05-26T23:02:24Z","links":{"resolver":"https://pith.science/pith/URUNRZ74VOA6VMLLV7HELCSEZS","bundle":"https://pith.science/pith/URUNRZ74VOA6VMLLV7HELCSEZS/bundle.json","state":"https://pith.science/pith/URUNRZ74VOA6VMLLV7HELCSEZS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/URUNRZ74VOA6VMLLV7HELCSEZS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:URUNRZ74VOA6VMLLV7HELCSEZS","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":"46a5b538e9984b4ba4917908d263e6dd6a8f874353846500cdd513d1abb96d2d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2014-03-25T13:34:20Z","title_canon_sha256":"9eadb51b87d52bcaecefad3e492664929ca6f365e1e74a2e91a7372a1ac3d33b"},"schema_version":"1.0","source":{"id":"1403.6339","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.6339","created_at":"2026-05-18T02:55:37Z"},{"alias_kind":"arxiv_version","alias_value":"1403.6339v1","created_at":"2026-05-18T02:55:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.6339","created_at":"2026-05-18T02:55:37Z"},{"alias_kind":"pith_short_12","alias_value":"URUNRZ74VOA6","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"URUNRZ74VOA6VMLL","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"URUNRZ74","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:f9346c73139018479472729eae7900d4cea928732f924e48ffe27b3996ae5b63","target":"graph","created_at":"2026-05-18T02:55:37Z","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":"The human brain exhibits a complex structure made of scale-free highly connected modules loosely interconnected by weaker links to form a small-world network. These features appear in healthy patients whereas neurological diseases often modify this structure. An important open question concerns the role of brain modularity in sustaining the critical behaviour of spontaneous activity. Here we analyse the neuronal activity of a model, successful in reproducing on non-modular networks the scaling behaviour observed in experimental data, on a modular network implementing the main statistical featu","authors_text":"Hans J Herrmann, Lucilla de Arcangelis, Roberta Russo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2014-03-25T13:34:20Z","title":"Brain modularity controls the critical behavior of spontaneous activity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.6339","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":"sha256:29265e9d72b27ae066e58f76994105eb5e6d06aeb621dbec86f3c5cb66f63958","target":"record","created_at":"2026-05-18T02:55:37Z","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":"46a5b538e9984b4ba4917908d263e6dd6a8f874353846500cdd513d1abb96d2d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2014-03-25T13:34:20Z","title_canon_sha256":"9eadb51b87d52bcaecefad3e492664929ca6f365e1e74a2e91a7372a1ac3d33b"},"schema_version":"1.0","source":{"id":"1403.6339","kind":"arxiv","version":1}},"canonical_sha256":"a468d8e7fcab81eab16bafce458a44cca3ec5646c1606195d9b1256c0c7aa2fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a468d8e7fcab81eab16bafce458a44cca3ec5646c1606195d9b1256c0c7aa2fa","first_computed_at":"2026-05-18T02:55:37.160778Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:55:37.160778Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"73KOnceZWL8vbaX4NqgSHpvjWoY+M6Kck194xpsfHdoxe+Z0JLlKxhh3L62ZmGsA4L0uLnYZo0jspGGMr77qCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:55:37.161451Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.6339","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:29265e9d72b27ae066e58f76994105eb5e6d06aeb621dbec86f3c5cb66f63958","sha256:f9346c73139018479472729eae7900d4cea928732f924e48ffe27b3996ae5b63"],"state_sha256":"9347ec8496bf3af8fde2ebe1829b8164bd66c5232e6a78d718ab69958c0ac7f3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uF0lKWsTmxZ3Wbvqsj55DxIE2Hy9zg28qNAatiqk76uqh29tKYtF0I7I8kYHMMzXUlwRoeRXajNoD9FM9n3TBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T23:02:24.581033Z","bundle_sha256":"41ef726d93b701d19517e5c109e45b8d31cba2fbdf8fa6a3b7b012a8dcd789cf"}}