{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:ZFDNYYJESVIKCWPVMYBZOPFUWC","short_pith_number":"pith:ZFDNYYJE","canonical_record":{"source":{"id":"0909.1214","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-09-07T10:52:48Z","cross_cats_sorted":[],"title_canon_sha256":"b74b428bfb64ed5b6b8462fb5dd573765b9e7a94bbcefa33109afcf1fdafe075","abstract_canon_sha256":"db9aadaf5bfb43fca9d6d007ecc4f6805b461875961e316c982f3977ea1706e1"},"schema_version":"1.0"},"canonical_sha256":"c946dc61249550a159f56603973cb4b0b0809c30c2a4267447fa981a2faa2d56","source":{"kind":"arxiv","id":"0909.1214","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.1214","created_at":"2026-05-18T02:34:30Z"},{"alias_kind":"arxiv_version","alias_value":"0909.1214v1","created_at":"2026-05-18T02:34:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.1214","created_at":"2026-05-18T02:34:30Z"},{"alias_kind":"pith_short_12","alias_value":"ZFDNYYJESVIK","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"ZFDNYYJESVIKCWPV","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"ZFDNYYJE","created_at":"2026-05-18T12:26:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:ZFDNYYJESVIKCWPVMYBZOPFUWC","target":"record","payload":{"canonical_record":{"source":{"id":"0909.1214","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-09-07T10:52:48Z","cross_cats_sorted":[],"title_canon_sha256":"b74b428bfb64ed5b6b8462fb5dd573765b9e7a94bbcefa33109afcf1fdafe075","abstract_canon_sha256":"db9aadaf5bfb43fca9d6d007ecc4f6805b461875961e316c982f3977ea1706e1"},"schema_version":"1.0"},"canonical_sha256":"c946dc61249550a159f56603973cb4b0b0809c30c2a4267447fa981a2faa2d56","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:30.899681Z","signature_b64":"+/IQaEQlGnVGE43enPHd2cQgQt9u3izjAvAdiZQxE70XKByqrYCr1J6OcibkL2fuE9JlWIuSKIJhV6ZKHgM1BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c946dc61249550a159f56603973cb4b0b0809c30c2a4267447fa981a2faa2d56","last_reissued_at":"2026-05-18T02:34:30.899273Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:30.899273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0909.1214","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":"2026-05-18T02:34:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"amJztXDKDYKiAoy0zVUqdGTQw4bLCzn0++SJf7xzBmpjPzq1dG+Yx/6dnUnf4ykfj3Ns6AN/XxDVmKVvFctxBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T08:21:54.339515Z"},"content_sha256":"778bf0ed1073ec7918eed722b1d2ecdd5dcf947343a58130624ea0d1a9f83a41","schema_version":"1.0","event_id":"sha256:778bf0ed1073ec7918eed722b1d2ecdd5dcf947343a58130624ea0d1a9f83a41"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:ZFDNYYJESVIKCWPVMYBZOPFUWC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulations of magneto-acoustic pulsations in atmospheres of rapidly oscillating Ap stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"E. Khomenko, O. Kochukhov","submitted_at":"2009-09-07T10:52:48Z","abstract_excerpt":"Rapidly oscillating Ap stars exhibit an astrophysically interesting combination of strong, dipolar-like magnetic fields and high-overtone p-mode pulsations similar to the Sun. Recent time-resolved spectroscopy of these stars unravelled a complex picture of propagating magneto-acoustic pulsation waves, with amplitude and phase strongly changing as a function of atmospheric height. To interpret these observations and gain a new insight into the atmospheric dynamics of roAp stars we have carried out 2-D time-dependent, non-linear magneto-hydrodynamical simulations of waves for a realistic atmosph"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.1214","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":"2026-05-18T02:34:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dXgMdkV6yH0zGxY7N+OPwNGIklYXRHpT9S0RdgOKuv7o5tHE5fSyzduqRPWYQ/7OCXU7D/9OLtwAn4BQ6nZzAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T08:21:54.339892Z"},"content_sha256":"06748b1f8161ce78b796b670cc7870005c0dd13eecd082309360ec671a6d728a","schema_version":"1.0","event_id":"sha256:06748b1f8161ce78b796b670cc7870005c0dd13eecd082309360ec671a6d728a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZFDNYYJESVIKCWPVMYBZOPFUWC/bundle.json","state_url":"https://pith.science/pith/ZFDNYYJESVIKCWPVMYBZOPFUWC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZFDNYYJESVIKCWPVMYBZOPFUWC/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":"2026-05-20T08:21:54Z","links":{"resolver":"https://pith.science/pith/ZFDNYYJESVIKCWPVMYBZOPFUWC","bundle":"https://pith.science/pith/ZFDNYYJESVIKCWPVMYBZOPFUWC/bundle.json","state":"https://pith.science/pith/ZFDNYYJESVIKCWPVMYBZOPFUWC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZFDNYYJESVIKCWPVMYBZOPFUWC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:ZFDNYYJESVIKCWPVMYBZOPFUWC","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":"db9aadaf5bfb43fca9d6d007ecc4f6805b461875961e316c982f3977ea1706e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-09-07T10:52:48Z","title_canon_sha256":"b74b428bfb64ed5b6b8462fb5dd573765b9e7a94bbcefa33109afcf1fdafe075"},"schema_version":"1.0","source":{"id":"0909.1214","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.1214","created_at":"2026-05-18T02:34:30Z"},{"alias_kind":"arxiv_version","alias_value":"0909.1214v1","created_at":"2026-05-18T02:34:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.1214","created_at":"2026-05-18T02:34:30Z"},{"alias_kind":"pith_short_12","alias_value":"ZFDNYYJESVIK","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"ZFDNYYJESVIKCWPV","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"ZFDNYYJE","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:06748b1f8161ce78b796b670cc7870005c0dd13eecd082309360ec671a6d728a","target":"graph","created_at":"2026-05-18T02:34:30Z","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":"Rapidly oscillating Ap stars exhibit an astrophysically interesting combination of strong, dipolar-like magnetic fields and high-overtone p-mode pulsations similar to the Sun. Recent time-resolved spectroscopy of these stars unravelled a complex picture of propagating magneto-acoustic pulsation waves, with amplitude and phase strongly changing as a function of atmospheric height. To interpret these observations and gain a new insight into the atmospheric dynamics of roAp stars we have carried out 2-D time-dependent, non-linear magneto-hydrodynamical simulations of waves for a realistic atmosph","authors_text":"E. Khomenko, O. Kochukhov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-09-07T10:52:48Z","title":"Simulations of magneto-acoustic pulsations in atmospheres of rapidly oscillating Ap stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.1214","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":"sha256:778bf0ed1073ec7918eed722b1d2ecdd5dcf947343a58130624ea0d1a9f83a41","target":"record","created_at":"2026-05-18T02:34:30Z","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":"db9aadaf5bfb43fca9d6d007ecc4f6805b461875961e316c982f3977ea1706e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-09-07T10:52:48Z","title_canon_sha256":"b74b428bfb64ed5b6b8462fb5dd573765b9e7a94bbcefa33109afcf1fdafe075"},"schema_version":"1.0","source":{"id":"0909.1214","kind":"arxiv","version":1}},"canonical_sha256":"c946dc61249550a159f56603973cb4b0b0809c30c2a4267447fa981a2faa2d56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c946dc61249550a159f56603973cb4b0b0809c30c2a4267447fa981a2faa2d56","first_computed_at":"2026-05-18T02:34:30.899273Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:30.899273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+/IQaEQlGnVGE43enPHd2cQgQt9u3izjAvAdiZQxE70XKByqrYCr1J6OcibkL2fuE9JlWIuSKIJhV6ZKHgM1BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:30.899681Z","signed_message":"canonical_sha256_bytes"},"source_id":"0909.1214","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:778bf0ed1073ec7918eed722b1d2ecdd5dcf947343a58130624ea0d1a9f83a41","sha256:06748b1f8161ce78b796b670cc7870005c0dd13eecd082309360ec671a6d728a"],"state_sha256":"a689ad4021437c58dff3892fb8a5f8387695d3df26e64edcbc32520ac1ab30c0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"El9jfp2DtSYTXT1peIQxrB14clI3gasF+fNNiTW2/1Oj9P/LMN52jTkeGSW86GJFfb5dIfI/8IaGenSKv/Q+Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T08:21:54.341834Z","bundle_sha256":"e63d82756cc3ccd6873943f83c23a18de0f81fa8eff1bc420a36eec949f7db05"}}