{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:DXQSOPK43D2S5WHQO35AKNNNP6","short_pith_number":"pith:DXQSOPK4","canonical_record":{"source":{"id":"1207.2165","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-07-09T20:17:23Z","cross_cats_sorted":[],"title_canon_sha256":"2dd3f2f144cc3f39b7eff95f4a9e3e3b8c27f060538823e86e6fa0509ac3c4b0","abstract_canon_sha256":"e6539a7eb9b04a15dac39e6c29c7015149144e682feaa2ab166cdf1d09f0d207"},"schema_version":"1.0"},"canonical_sha256":"1de1273d5cd8f52ed8f076fa0535ad7f804b49c167650e75e74e9e6cc8208dc0","source":{"kind":"arxiv","id":"1207.2165","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.2165","created_at":"2026-05-18T03:51:24Z"},{"alias_kind":"arxiv_version","alias_value":"1207.2165v1","created_at":"2026-05-18T03:51:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.2165","created_at":"2026-05-18T03:51:24Z"},{"alias_kind":"pith_short_12","alias_value":"DXQSOPK43D2S","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"DXQSOPK43D2S5WHQ","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"DXQSOPK4","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:DXQSOPK43D2S5WHQO35AKNNNP6","target":"record","payload":{"canonical_record":{"source":{"id":"1207.2165","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-07-09T20:17:23Z","cross_cats_sorted":[],"title_canon_sha256":"2dd3f2f144cc3f39b7eff95f4a9e3e3b8c27f060538823e86e6fa0509ac3c4b0","abstract_canon_sha256":"e6539a7eb9b04a15dac39e6c29c7015149144e682feaa2ab166cdf1d09f0d207"},"schema_version":"1.0"},"canonical_sha256":"1de1273d5cd8f52ed8f076fa0535ad7f804b49c167650e75e74e9e6cc8208dc0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:51:24.822274Z","signature_b64":"Lc0qzuNdUdwVTGlGBQGO9CeeHgeho0eBN4lb6SkZf8j6/JJ3NpnoVjjvlM2IxO+MPSAlw9lIttqiQuyYWAtXAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1de1273d5cd8f52ed8f076fa0535ad7f804b49c167650e75e74e9e6cc8208dc0","last_reissued_at":"2026-05-18T03:51:24.821531Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:51:24.821531Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.2165","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":"2026-05-18T03:51:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Aq54DDd4lMj9eNoLg/CNBAeYHOZ6AR4Rcw7ACnrtC4SLcsSzvZkazHBKLX3Yc31FxL9v/Ds4aXdF7OnmwmQADA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T02:34:18.701780Z"},"content_sha256":"be6ad6e5b9f8e63f45294779539244c66015888af300df5e830ccd6589386619","schema_version":"1.0","event_id":"sha256:be6ad6e5b9f8e63f45294779539244c66015888af300df5e830ccd6589386619"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:DXQSOPK43D2S5WHQO35AKNNNP6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Coronal Structure of Low-Mass Stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Aline Vidotto, Jean-Francois Donati, Julien Morin, Moira Jardine, Pauline Lang","submitted_at":"2012-07-09T20:17:23Z","abstract_excerpt":"We investigate the change in stellar magnetic topology across the fully-convective boundary and its effects on coronal properties. We consider both the magnitude of the open flux that influences angular momentum loss in the stellar wind and X-ray emission measure. We use reconstructed maps of the radial magnetic field at the stellar surface and the potential-field source surface method to extrapolate a 3D coronal magnetic field for a sample of early-to-mid M dwarfs. During the magnetic reconstruction process it is possible to force a solution towards field geometries that are symmetric or anti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.2165","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":"2026-05-18T03:51:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8IA2D9rtoSuC2NDy5NeGoaxVXW8iXTCnDCmLJJa4V/DxOkNPgIY/Wi5DuypkHeF5LgyoB9Skcq9QV9dqm5RNDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T02:34:18.702104Z"},"content_sha256":"6bfdd7b7b5f96aeaefa4ca71a950c6a0df9027cba09c7b4831b535e43463bf8c","schema_version":"1.0","event_id":"sha256:6bfdd7b7b5f96aeaefa4ca71a950c6a0df9027cba09c7b4831b535e43463bf8c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DXQSOPK43D2S5WHQO35AKNNNP6/bundle.json","state_url":"https://pith.science/pith/DXQSOPK43D2S5WHQO35AKNNNP6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DXQSOPK43D2S5WHQO35AKNNNP6/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":"2026-06-02T02:34:18Z","links":{"resolver":"https://pith.science/pith/DXQSOPK43D2S5WHQO35AKNNNP6","bundle":"https://pith.science/pith/DXQSOPK43D2S5WHQO35AKNNNP6/bundle.json","state":"https://pith.science/pith/DXQSOPK43D2S5WHQO35AKNNNP6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DXQSOPK43D2S5WHQO35AKNNNP6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:DXQSOPK43D2S5WHQO35AKNNNP6","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":"e6539a7eb9b04a15dac39e6c29c7015149144e682feaa2ab166cdf1d09f0d207","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-07-09T20:17:23Z","title_canon_sha256":"2dd3f2f144cc3f39b7eff95f4a9e3e3b8c27f060538823e86e6fa0509ac3c4b0"},"schema_version":"1.0","source":{"id":"1207.2165","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.2165","created_at":"2026-05-18T03:51:24Z"},{"alias_kind":"arxiv_version","alias_value":"1207.2165v1","created_at":"2026-05-18T03:51:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.2165","created_at":"2026-05-18T03:51:24Z"},{"alias_kind":"pith_short_12","alias_value":"DXQSOPK43D2S","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"DXQSOPK43D2S5WHQ","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"DXQSOPK4","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:6bfdd7b7b5f96aeaefa4ca71a950c6a0df9027cba09c7b4831b535e43463bf8c","target":"graph","created_at":"2026-05-18T03:51:24Z","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":"We investigate the change in stellar magnetic topology across the fully-convective boundary and its effects on coronal properties. We consider both the magnitude of the open flux that influences angular momentum loss in the stellar wind and X-ray emission measure. We use reconstructed maps of the radial magnetic field at the stellar surface and the potential-field source surface method to extrapolate a 3D coronal magnetic field for a sample of early-to-mid M dwarfs. During the magnetic reconstruction process it is possible to force a solution towards field geometries that are symmetric or anti","authors_text":"Aline Vidotto, Jean-Francois Donati, Julien Morin, Moira Jardine, Pauline Lang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-07-09T20:17:23Z","title":"Coronal Structure of Low-Mass Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.2165","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:be6ad6e5b9f8e63f45294779539244c66015888af300df5e830ccd6589386619","target":"record","created_at":"2026-05-18T03:51:24Z","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":"e6539a7eb9b04a15dac39e6c29c7015149144e682feaa2ab166cdf1d09f0d207","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-07-09T20:17:23Z","title_canon_sha256":"2dd3f2f144cc3f39b7eff95f4a9e3e3b8c27f060538823e86e6fa0509ac3c4b0"},"schema_version":"1.0","source":{"id":"1207.2165","kind":"arxiv","version":1}},"canonical_sha256":"1de1273d5cd8f52ed8f076fa0535ad7f804b49c167650e75e74e9e6cc8208dc0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1de1273d5cd8f52ed8f076fa0535ad7f804b49c167650e75e74e9e6cc8208dc0","first_computed_at":"2026-05-18T03:51:24.821531Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:51:24.821531Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Lc0qzuNdUdwVTGlGBQGO9CeeHgeho0eBN4lb6SkZf8j6/JJ3NpnoVjjvlM2IxO+MPSAlw9lIttqiQuyYWAtXAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:51:24.822274Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.2165","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:be6ad6e5b9f8e63f45294779539244c66015888af300df5e830ccd6589386619","sha256:6bfdd7b7b5f96aeaefa4ca71a950c6a0df9027cba09c7b4831b535e43463bf8c"],"state_sha256":"7a8e42805834062843040519efa817762d6caeb2b42fcb8b1e7d14007404b09a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hZuwykNPnAaxJTd3X2uCiRk8vReIu2XofBla3soyvbCqeZFp8qV5bqqz/7OVvI8rdOGaDNpMPs4/EGk9WT58Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T02:34:18.704782Z","bundle_sha256":"7379defbd086b93be7f1261d8055c043aa9bb47c25f96b15706515091a46f8f8"}}