{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:3TGJ7ZBD3EGX4QSIRDTL2U6ZJX","short_pith_number":"pith:3TGJ7ZBD","canonical_record":{"source":{"id":"1510.06960","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-23T14:59:16Z","cross_cats_sorted":[],"title_canon_sha256":"e0084b1139503f550311763da86c10272517e6dca3f9d5d807ed3df00d34fdbb","abstract_canon_sha256":"46a1f71dfb14445dca430b951d9c9104247a09e65cca4559a952e2b5d1686caa"},"schema_version":"1.0"},"canonical_sha256":"dccc9fe423d90d7e424888e6bd53d94df1f4755dd746e6e2a3a18f30d6defb32","source":{"kind":"arxiv","id":"1510.06960","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.06960","created_at":"2026-05-18T01:29:22Z"},{"alias_kind":"arxiv_version","alias_value":"1510.06960v1","created_at":"2026-05-18T01:29:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.06960","created_at":"2026-05-18T01:29:22Z"},{"alias_kind":"pith_short_12","alias_value":"3TGJ7ZBD3EGX","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"3TGJ7ZBD3EGX4QSI","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"3TGJ7ZBD","created_at":"2026-05-18T12:29:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:3TGJ7ZBD3EGX4QSIRDTL2U6ZJX","target":"record","payload":{"canonical_record":{"source":{"id":"1510.06960","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-23T14:59:16Z","cross_cats_sorted":[],"title_canon_sha256":"e0084b1139503f550311763da86c10272517e6dca3f9d5d807ed3df00d34fdbb","abstract_canon_sha256":"46a1f71dfb14445dca430b951d9c9104247a09e65cca4559a952e2b5d1686caa"},"schema_version":"1.0"},"canonical_sha256":"dccc9fe423d90d7e424888e6bd53d94df1f4755dd746e6e2a3a18f30d6defb32","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:29:22.562602Z","signature_b64":"vkNuIHDAxuvgUzP7Xz+IEzo61vPWBbGqGllr2umyJKRCcJcAmM6uQbh2Rs0xgKKRmhT3U7mhNUciyZNS9O9sDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dccc9fe423d90d7e424888e6bd53d94df1f4755dd746e6e2a3a18f30d6defb32","last_reissued_at":"2026-05-18T01:29:22.561921Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:29:22.561921Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.06960","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":"2026-05-18T01:29:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UtCzh+IVrfdpa6nlsIA0UmjmypzphVH9FzhVixTitdDKhn6UM2tWXjwrYLjrmqoFqLvJhGQXqM+vaoEFhWX7BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T02:46:19.712700Z"},"content_sha256":"b2d3319632ca7a55863fc882caf83957cb6d6105abbe75b6b2a0c04b6845f3e8","schema_version":"1.0","event_id":"sha256:b2d3319632ca7a55863fc882caf83957cb6d6105abbe75b6b2a0c04b6845f3e8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:3TGJ7ZBD3EGX4QSIRDTL2U6ZJX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Asteroseismology Can Reveal Strong Internal Magnetic Fields in Red Giant Stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Dennis Stello, Jim Fuller, Lars Bildsten, Matteo Cantiello, Rafael A. Garcia","submitted_at":"2015-10-23T14:59:16Z","abstract_excerpt":"Internal stellar magnetic fields are inaccessible to direct observations and little is known about their amplitude, geometry and evolution. We demonstrate that strong magnetic fields in the cores of red giant stars can be identified with asteroseismology. The fields can manifest themselves via depressed dipole stellar oscillation modes, which arises from a magnetic greenhouse effect that scatters and traps oscillation mode energy within the core of the star. The Kepler satellite has observed a few dozen red giants with depressed dipole modes which we interpret as stars with strongly magnetized"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.06960","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":"2026-05-18T01:29:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+Uv9OVah16zGMEImVwrhEzmXXgXWfxAHFnOTigMx1uKOgjpjShzapgmKnxKYRbLfTlmPmI86sYpvWT5YfWSZDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T02:46:19.713046Z"},"content_sha256":"df09bb84e5e9d5fd252b20d64b1835209213eabab9680df50a23d67390018578","schema_version":"1.0","event_id":"sha256:df09bb84e5e9d5fd252b20d64b1835209213eabab9680df50a23d67390018578"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3TGJ7ZBD3EGX4QSIRDTL2U6ZJX/bundle.json","state_url":"https://pith.science/pith/3TGJ7ZBD3EGX4QSIRDTL2U6ZJX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3TGJ7ZBD3EGX4QSIRDTL2U6ZJX/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":"2026-05-25T02:46:19Z","links":{"resolver":"https://pith.science/pith/3TGJ7ZBD3EGX4QSIRDTL2U6ZJX","bundle":"https://pith.science/pith/3TGJ7ZBD3EGX4QSIRDTL2U6ZJX/bundle.json","state":"https://pith.science/pith/3TGJ7ZBD3EGX4QSIRDTL2U6ZJX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3TGJ7ZBD3EGX4QSIRDTL2U6ZJX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:3TGJ7ZBD3EGX4QSIRDTL2U6ZJX","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":"46a1f71dfb14445dca430b951d9c9104247a09e65cca4559a952e2b5d1686caa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-23T14:59:16Z","title_canon_sha256":"e0084b1139503f550311763da86c10272517e6dca3f9d5d807ed3df00d34fdbb"},"schema_version":"1.0","source":{"id":"1510.06960","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.06960","created_at":"2026-05-18T01:29:22Z"},{"alias_kind":"arxiv_version","alias_value":"1510.06960v1","created_at":"2026-05-18T01:29:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.06960","created_at":"2026-05-18T01:29:22Z"},{"alias_kind":"pith_short_12","alias_value":"3TGJ7ZBD3EGX","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"3TGJ7ZBD3EGX4QSI","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"3TGJ7ZBD","created_at":"2026-05-18T12:29:02Z"}],"graph_snapshots":[{"event_id":"sha256:df09bb84e5e9d5fd252b20d64b1835209213eabab9680df50a23d67390018578","target":"graph","created_at":"2026-05-18T01:29:22Z","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":"Internal stellar magnetic fields are inaccessible to direct observations and little is known about their amplitude, geometry and evolution. We demonstrate that strong magnetic fields in the cores of red giant stars can be identified with asteroseismology. The fields can manifest themselves via depressed dipole stellar oscillation modes, which arises from a magnetic greenhouse effect that scatters and traps oscillation mode energy within the core of the star. The Kepler satellite has observed a few dozen red giants with depressed dipole modes which we interpret as stars with strongly magnetized","authors_text":"Dennis Stello, Jim Fuller, Lars Bildsten, Matteo Cantiello, Rafael A. Garcia","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-23T14:59:16Z","title":"Asteroseismology Can Reveal Strong Internal Magnetic Fields in Red Giant Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.06960","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:b2d3319632ca7a55863fc882caf83957cb6d6105abbe75b6b2a0c04b6845f3e8","target":"record","created_at":"2026-05-18T01:29:22Z","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":"46a1f71dfb14445dca430b951d9c9104247a09e65cca4559a952e2b5d1686caa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-10-23T14:59:16Z","title_canon_sha256":"e0084b1139503f550311763da86c10272517e6dca3f9d5d807ed3df00d34fdbb"},"schema_version":"1.0","source":{"id":"1510.06960","kind":"arxiv","version":1}},"canonical_sha256":"dccc9fe423d90d7e424888e6bd53d94df1f4755dd746e6e2a3a18f30d6defb32","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dccc9fe423d90d7e424888e6bd53d94df1f4755dd746e6e2a3a18f30d6defb32","first_computed_at":"2026-05-18T01:29:22.561921Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:29:22.561921Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vkNuIHDAxuvgUzP7Xz+IEzo61vPWBbGqGllr2umyJKRCcJcAmM6uQbh2Rs0xgKKRmhT3U7mhNUciyZNS9O9sDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:29:22.562602Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.06960","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b2d3319632ca7a55863fc882caf83957cb6d6105abbe75b6b2a0c04b6845f3e8","sha256:df09bb84e5e9d5fd252b20d64b1835209213eabab9680df50a23d67390018578"],"state_sha256":"5a0fccf0a9cf547a6cb3b3f55210052486f5812828b92f456085dca93cc34525"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kpt6cbLFk0zu1xqs0ludWTjItAhso1HOIOZGrCYQ3h1jd55FwwTMmHmy9N0z3U/fJwIL1lORnFztyb9igNbvCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T02:46:19.715367Z","bundle_sha256":"a6dae261b5d23fe42d147cad94c6742dff13ff25cac121399fa8e5e474c5bc8c"}}