{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:MBBVUAF5LC7EXHOGZBV3T3ZL7O","short_pith_number":"pith:MBBVUAF5","canonical_record":{"source":{"id":"1706.02935","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-06-09T12:57:35Z","cross_cats_sorted":[],"title_canon_sha256":"69f1a484d2fd79962bc56e2b35447a3e6bcd7a8a58c1f64a83e332f48d1cdd9e","abstract_canon_sha256":"09a080a26a05ffccac3971bf6d9ae5c6193b1a65407eac3db950f137558b0ad6"},"schema_version":"1.0"},"canonical_sha256":"60435a00bd58be4b9dc6c86bb9ef2bfba0fbd938a0565744fd7c8ae553ee53a2","source":{"kind":"arxiv","id":"1706.02935","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.02935","created_at":"2026-05-18T00:39:34Z"},{"alias_kind":"arxiv_version","alias_value":"1706.02935v1","created_at":"2026-05-18T00:39:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.02935","created_at":"2026-05-18T00:39:34Z"},{"alias_kind":"pith_short_12","alias_value":"MBBVUAF5LC7E","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MBBVUAF5LC7EXHOG","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MBBVUAF5","created_at":"2026-05-18T12:31:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:MBBVUAF5LC7EXHOGZBV3T3ZL7O","target":"record","payload":{"canonical_record":{"source":{"id":"1706.02935","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-06-09T12:57:35Z","cross_cats_sorted":[],"title_canon_sha256":"69f1a484d2fd79962bc56e2b35447a3e6bcd7a8a58c1f64a83e332f48d1cdd9e","abstract_canon_sha256":"09a080a26a05ffccac3971bf6d9ae5c6193b1a65407eac3db950f137558b0ad6"},"schema_version":"1.0"},"canonical_sha256":"60435a00bd58be4b9dc6c86bb9ef2bfba0fbd938a0565744fd7c8ae553ee53a2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:39:34.026363Z","signature_b64":"J66zo6W7SKN+987QDugZsbP+aNnyyQZtXMgxlD7jHO/sepUdSithEct9GiI+I3c5SdkXQgBXPhq4lOxW7CnOAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"60435a00bd58be4b9dc6c86bb9ef2bfba0fbd938a0565744fd7c8ae553ee53a2","last_reissued_at":"2026-05-18T00:39:34.025648Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:39:34.025648Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.02935","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":"2026-05-18T00:39:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sEsOsISAzswxUNQTo0fU+cn3bz0qXNdyb1DLHutsXwUL07QSemdgsZmPRv8KJjk/gC5cjgXQvpAzaYiGOVdrAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:45:03.128079Z"},"content_sha256":"486a7ac5405aa5693a871b41ae6d962fa5c07e92c3aea1c4099ab3a7780b4b24","schema_version":"1.0","event_id":"sha256:486a7ac5405aa5693a871b41ae6d962fa5c07e92c3aea1c4099ab3a7780b4b24"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:MBBVUAF5LC7EXHOGZBV3T3ZL7O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New Suns in the Cosmos IV: the multifractal nature of stellar magnetic activity in \\textit{Kepler} cool stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. D. Costa, B. L. Canto Martins, D. B. de Freitas, I. C. Le\\~ao, J. R. De Medeiros, M. Gomes de Souza, M. L. das Chagas, M. M. F. Nepomuceno","submitted_at":"2017-06-09T12:57:35Z","abstract_excerpt":"In the present study, we investigate the multifractal nature of a long-cadence time series observed by the \\textit{Kepler} mission for a sample of 34 M dwarf stars and the Sun in its active phase. Using the Multifractal Detrending Moving Average algorithm (MFDMA), which enables the detection of multifractality in nonstationary time series, we define a set of multifractal indices based on the multifractal spectrum profile as a measure of the level of stellar magnetic activity. This set of indices is given by the ($A$,$\\Delta \\alpha$,$C$,$H$)-quartet, where $A$, $\\Delta \\alpha$ and $C$ are relat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.02935","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":"2026-05-18T00:39:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZLpcYTbMa2v8N0X6TPnYCNJomTVSQBJWxdBr4CEKG5Un90ovKzMp3Pm8T/F5fG05IHS7i/0M6/Py/S49ToUWDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:45:03.128787Z"},"content_sha256":"8b8f3878a4fef64ed40caec369793d7067af5bcd32930cabf7b5d48fc2793489","schema_version":"1.0","event_id":"sha256:8b8f3878a4fef64ed40caec369793d7067af5bcd32930cabf7b5d48fc2793489"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MBBVUAF5LC7EXHOGZBV3T3ZL7O/bundle.json","state_url":"https://pith.science/pith/MBBVUAF5LC7EXHOGZBV3T3ZL7O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MBBVUAF5LC7EXHOGZBV3T3ZL7O/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":"2026-05-25T15:45:03Z","links":{"resolver":"https://pith.science/pith/MBBVUAF5LC7EXHOGZBV3T3ZL7O","bundle":"https://pith.science/pith/MBBVUAF5LC7EXHOGZBV3T3ZL7O/bundle.json","state":"https://pith.science/pith/MBBVUAF5LC7EXHOGZBV3T3ZL7O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MBBVUAF5LC7EXHOGZBV3T3ZL7O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:MBBVUAF5LC7EXHOGZBV3T3ZL7O","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":"09a080a26a05ffccac3971bf6d9ae5c6193b1a65407eac3db950f137558b0ad6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-06-09T12:57:35Z","title_canon_sha256":"69f1a484d2fd79962bc56e2b35447a3e6bcd7a8a58c1f64a83e332f48d1cdd9e"},"schema_version":"1.0","source":{"id":"1706.02935","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.02935","created_at":"2026-05-18T00:39:34Z"},{"alias_kind":"arxiv_version","alias_value":"1706.02935v1","created_at":"2026-05-18T00:39:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.02935","created_at":"2026-05-18T00:39:34Z"},{"alias_kind":"pith_short_12","alias_value":"MBBVUAF5LC7E","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MBBVUAF5LC7EXHOG","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MBBVUAF5","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:8b8f3878a4fef64ed40caec369793d7067af5bcd32930cabf7b5d48fc2793489","target":"graph","created_at":"2026-05-18T00:39:34Z","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":"In the present study, we investigate the multifractal nature of a long-cadence time series observed by the \\textit{Kepler} mission for a sample of 34 M dwarf stars and the Sun in its active phase. Using the Multifractal Detrending Moving Average algorithm (MFDMA), which enables the detection of multifractality in nonstationary time series, we define a set of multifractal indices based on the multifractal spectrum profile as a measure of the level of stellar magnetic activity. This set of indices is given by the ($A$,$\\Delta \\alpha$,$C$,$H$)-quartet, where $A$, $\\Delta \\alpha$ and $C$ are relat","authors_text":"A. D. Costa, B. L. Canto Martins, D. B. de Freitas, I. C. Le\\~ao, J. R. De Medeiros, M. Gomes de Souza, M. L. das Chagas, M. M. F. Nepomuceno","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-06-09T12:57:35Z","title":"New Suns in the Cosmos IV: the multifractal nature of stellar magnetic activity in \\textit{Kepler} cool stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.02935","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":"sha256:486a7ac5405aa5693a871b41ae6d962fa5c07e92c3aea1c4099ab3a7780b4b24","target":"record","created_at":"2026-05-18T00:39:34Z","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":"09a080a26a05ffccac3971bf6d9ae5c6193b1a65407eac3db950f137558b0ad6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-06-09T12:57:35Z","title_canon_sha256":"69f1a484d2fd79962bc56e2b35447a3e6bcd7a8a58c1f64a83e332f48d1cdd9e"},"schema_version":"1.0","source":{"id":"1706.02935","kind":"arxiv","version":1}},"canonical_sha256":"60435a00bd58be4b9dc6c86bb9ef2bfba0fbd938a0565744fd7c8ae553ee53a2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"60435a00bd58be4b9dc6c86bb9ef2bfba0fbd938a0565744fd7c8ae553ee53a2","first_computed_at":"2026-05-18T00:39:34.025648Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:39:34.025648Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J66zo6W7SKN+987QDugZsbP+aNnyyQZtXMgxlD7jHO/sepUdSithEct9GiI+I3c5SdkXQgBXPhq4lOxW7CnOAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:39:34.026363Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.02935","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:486a7ac5405aa5693a871b41ae6d962fa5c07e92c3aea1c4099ab3a7780b4b24","sha256:8b8f3878a4fef64ed40caec369793d7067af5bcd32930cabf7b5d48fc2793489"],"state_sha256":"8c327e7b5064dd4353db1570a73afe8ad0050325084e75de01ec8f5f70f46c68"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bRd6U6q7KlUAusT65q+1RbSsgsRvE1D6r1tfMnrDUrFCpxP0sM2Rh6j2E6MKf/2BEkDi8B1sdbRryJrsaNZfDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T15:45:03.131672Z","bundle_sha256":"9e9f8a0633dcba84df4b1c4c8732c7c257bcba254d4488897e6cdfc3817daa21"}}