{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:ZPI7LHDXFUI3DPRFRC6WZ3WZEH","short_pith_number":"pith:ZPI7LHDX","canonical_record":{"source":{"id":"1012.2386","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-10T21:02:41Z","cross_cats_sorted":[],"title_canon_sha256":"0716d9eb619cba36705c03d456cdb925af488b039ddf69168e9f1c61dd9d46c1","abstract_canon_sha256":"a08464c70fc25974d814b42a31dd51207871cad1a919aa0fb754e669f20aa526"},"schema_version":"1.0"},"canonical_sha256":"cbd1f59c772d11b1be2588bd6ceed921d02f5fcf6b6932e5b3466fc7b981d3f5","source":{"kind":"arxiv","id":"1012.2386","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.2386","created_at":"2026-05-18T04:33:28Z"},{"alias_kind":"arxiv_version","alias_value":"1012.2386v1","created_at":"2026-05-18T04:33:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.2386","created_at":"2026-05-18T04:33:28Z"},{"alias_kind":"pith_short_12","alias_value":"ZPI7LHDXFUI3","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"ZPI7LHDXFUI3DPRF","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"ZPI7LHDX","created_at":"2026-05-18T12:26:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:ZPI7LHDXFUI3DPRFRC6WZ3WZEH","target":"record","payload":{"canonical_record":{"source":{"id":"1012.2386","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-10T21:02:41Z","cross_cats_sorted":[],"title_canon_sha256":"0716d9eb619cba36705c03d456cdb925af488b039ddf69168e9f1c61dd9d46c1","abstract_canon_sha256":"a08464c70fc25974d814b42a31dd51207871cad1a919aa0fb754e669f20aa526"},"schema_version":"1.0"},"canonical_sha256":"cbd1f59c772d11b1be2588bd6ceed921d02f5fcf6b6932e5b3466fc7b981d3f5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:33:28.685177Z","signature_b64":"4boTZBwLNyGIIZc9icxKfNTMKzv/q8SCeLkXGcp6X3qpoqhaE1bezEEaTyXssjChhvrl1ATO71SXa5mQBsb/Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cbd1f59c772d11b1be2588bd6ceed921d02f5fcf6b6932e5b3466fc7b981d3f5","last_reissued_at":"2026-05-18T04:33:28.684701Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:33:28.684701Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1012.2386","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":"2026-05-18T04:33:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0HEzMEHOjihTr5iK08EVX09IpVd98fwNzoPvEIbqOp/mWmTI1c43fR5+lCXWmh762fs+1l66PDJoGbuSGgiODA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:17:31.255039Z"},"content_sha256":"893b0b6a4c459049b279aeb1e046f1604c21a2deba620d5b84b51ee4826e934d","schema_version":"1.0","event_id":"sha256:893b0b6a4c459049b279aeb1e046f1604c21a2deba620d5b84b51ee4826e934d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:ZPI7LHDXFUI3DPRFRC6WZ3WZEH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tau Sco: discovery of the clones","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"D. L. Massa, G. A. Wade, R. Ignace, the MiMeS Collaboration, V. Petit, W. L. F. Marcolino","submitted_at":"2010-12-10T21:02:41Z","abstract_excerpt":"The B0.2 V magnetic star tau Sco stands out from the larger population of massive magnetic OB stars due to its high X-ray activity and remarkable wind, apparently related to its peculiar magnetic field - a field which is far more complex than the mostly-dipolar fields usually observed in magnetic OB stars. tau Sco is therefore a puzzling outlier in the larger picture of stellar magnetism - a star that still defies interpretation in terms of a physically coherent model. Recently, two early B-type stars were discovered as tau Sco analogues, identified by the striking similarity of their UV spect"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.2386","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":"2026-05-18T04:33:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5N/vEU2UzLjiZvbsY9Yf/dBcQmGYn2OhzgbhHwVZoh6iDqrNuM3lLd3DwY0QrBJie7Szjs4Ir/P3hcuK1JuLDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:17:31.255743Z"},"content_sha256":"3f7bc586d754b4caf1d64bfa1e35da047824dbbcb6d7195b107f9e3b42fe9780","schema_version":"1.0","event_id":"sha256:3f7bc586d754b4caf1d64bfa1e35da047824dbbcb6d7195b107f9e3b42fe9780"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZPI7LHDXFUI3DPRFRC6WZ3WZEH/bundle.json","state_url":"https://pith.science/pith/ZPI7LHDXFUI3DPRFRC6WZ3WZEH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZPI7LHDXFUI3DPRFRC6WZ3WZEH/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":"2026-05-26T00:17:31Z","links":{"resolver":"https://pith.science/pith/ZPI7LHDXFUI3DPRFRC6WZ3WZEH","bundle":"https://pith.science/pith/ZPI7LHDXFUI3DPRFRC6WZ3WZEH/bundle.json","state":"https://pith.science/pith/ZPI7LHDXFUI3DPRFRC6WZ3WZEH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZPI7LHDXFUI3DPRFRC6WZ3WZEH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:ZPI7LHDXFUI3DPRFRC6WZ3WZEH","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":"a08464c70fc25974d814b42a31dd51207871cad1a919aa0fb754e669f20aa526","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-10T21:02:41Z","title_canon_sha256":"0716d9eb619cba36705c03d456cdb925af488b039ddf69168e9f1c61dd9d46c1"},"schema_version":"1.0","source":{"id":"1012.2386","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.2386","created_at":"2026-05-18T04:33:28Z"},{"alias_kind":"arxiv_version","alias_value":"1012.2386v1","created_at":"2026-05-18T04:33:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.2386","created_at":"2026-05-18T04:33:28Z"},{"alias_kind":"pith_short_12","alias_value":"ZPI7LHDXFUI3","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"ZPI7LHDXFUI3DPRF","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"ZPI7LHDX","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:3f7bc586d754b4caf1d64bfa1e35da047824dbbcb6d7195b107f9e3b42fe9780","target":"graph","created_at":"2026-05-18T04:33:28Z","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 B0.2 V magnetic star tau Sco stands out from the larger population of massive magnetic OB stars due to its high X-ray activity and remarkable wind, apparently related to its peculiar magnetic field - a field which is far more complex than the mostly-dipolar fields usually observed in magnetic OB stars. tau Sco is therefore a puzzling outlier in the larger picture of stellar magnetism - a star that still defies interpretation in terms of a physically coherent model. Recently, two early B-type stars were discovered as tau Sco analogues, identified by the striking similarity of their UV spect","authors_text":"D. L. Massa, G. A. Wade, R. Ignace, the MiMeS Collaboration, V. Petit, W. L. F. Marcolino","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-10T21:02:41Z","title":"Tau Sco: discovery of the clones"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.2386","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":"sha256:893b0b6a4c459049b279aeb1e046f1604c21a2deba620d5b84b51ee4826e934d","target":"record","created_at":"2026-05-18T04:33:28Z","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":"a08464c70fc25974d814b42a31dd51207871cad1a919aa0fb754e669f20aa526","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-12-10T21:02:41Z","title_canon_sha256":"0716d9eb619cba36705c03d456cdb925af488b039ddf69168e9f1c61dd9d46c1"},"schema_version":"1.0","source":{"id":"1012.2386","kind":"arxiv","version":1}},"canonical_sha256":"cbd1f59c772d11b1be2588bd6ceed921d02f5fcf6b6932e5b3466fc7b981d3f5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cbd1f59c772d11b1be2588bd6ceed921d02f5fcf6b6932e5b3466fc7b981d3f5","first_computed_at":"2026-05-18T04:33:28.684701Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:33:28.684701Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4boTZBwLNyGIIZc9icxKfNTMKzv/q8SCeLkXGcp6X3qpoqhaE1bezEEaTyXssjChhvrl1ATO71SXa5mQBsb/Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:33:28.685177Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.2386","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:893b0b6a4c459049b279aeb1e046f1604c21a2deba620d5b84b51ee4826e934d","sha256:3f7bc586d754b4caf1d64bfa1e35da047824dbbcb6d7195b107f9e3b42fe9780"],"state_sha256":"c192802b1ce49fb034c42ca6783bf1a46dea33e41db68c39853211111e9c256a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Avq9w+9Mb9FjRbSin+DlOwfrIXY5c4T1Xf9FrnvCB+Y7mJQW3j3XoLe2QWkWJ2pEQmR7k4pErvrG+J6hZK+QCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T00:17:31.259411Z","bundle_sha256":"ccfecece339fe7102176855fd1d6a256dd403982ca4e68b1edf25f3a2f7dcc4c"}}