{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:4DYLLZ6KOXIRFMKECUR6NR4SBN","short_pith_number":"pith:4DYLLZ6K","canonical_record":{"source":{"id":"1507.01218","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-05T13:07:18Z","cross_cats_sorted":[],"title_canon_sha256":"f7b27cb8576697335ec37b518b1d51b7f82280ccac0bc0f1102ecb4354b0a1ae","abstract_canon_sha256":"d8714c8b6532318e2095d46699cafe4a0dfd6a9143f1e25715ec0ea678fe8dd6"},"schema_version":"1.0"},"canonical_sha256":"e0f0b5e7ca75d112b1441523e6c7920b54512e29d997280499cae34848e2b027","source":{"kind":"arxiv","id":"1507.01218","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.01218","created_at":"2026-05-18T01:37:17Z"},{"alias_kind":"arxiv_version","alias_value":"1507.01218v1","created_at":"2026-05-18T01:37:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.01218","created_at":"2026-05-18T01:37:17Z"},{"alias_kind":"pith_short_12","alias_value":"4DYLLZ6KOXIR","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"4DYLLZ6KOXIRFMKE","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"4DYLLZ6K","created_at":"2026-05-18T12:29:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:4DYLLZ6KOXIRFMKECUR6NR4SBN","target":"record","payload":{"canonical_record":{"source":{"id":"1507.01218","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-05T13:07:18Z","cross_cats_sorted":[],"title_canon_sha256":"f7b27cb8576697335ec37b518b1d51b7f82280ccac0bc0f1102ecb4354b0a1ae","abstract_canon_sha256":"d8714c8b6532318e2095d46699cafe4a0dfd6a9143f1e25715ec0ea678fe8dd6"},"schema_version":"1.0"},"canonical_sha256":"e0f0b5e7ca75d112b1441523e6c7920b54512e29d997280499cae34848e2b027","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:37:17.701031Z","signature_b64":"0x/9WxIwmWNnlfhODaBaOfT9JjPXlvPV0Y/l2CWjSXjIGe5l1vsktl3Dk7RqhQJuyFLJIVUCZRezhAcI5Sa0BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e0f0b5e7ca75d112b1441523e6c7920b54512e29d997280499cae34848e2b027","last_reissued_at":"2026-05-18T01:37:17.700412Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:37:17.700412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.01218","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":"2026-05-18T01:37:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LczcMDpYOupZZ1WUZ9w4kbYQAEQwNxW5LhteAsDSjwR6kq1tkdNuQExHrHmnBvbSzoPJX5X6WiIgRFYigW8vDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:33:10.948855Z"},"content_sha256":"055e3eda7326a9a6fa7884f7e7007e3f0fac603fb414b795d1e4ee812495dd69","schema_version":"1.0","event_id":"sha256:055e3eda7326a9a6fa7884f7e7007e3f0fac603fb414b795d1e4ee812495dd69"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:4DYLLZ6KOXIRFMKECUR6NR4SBN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Standard 1D solar atmosphere as initial condition for MHD simulations and switch-on effects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Philippe-A. Bourdin","submitted_at":"2015-07-05T13:07:18Z","abstract_excerpt":"Many applications in Solar physics need a 1D atmospheric model as initial condition or as reference for inversions of observational data. The VAL atmospheric models are based on observations and are widely used since decades. Complementary to that, the FAL models implement radiative hydrodynamics and showed the shortcomings of the VAL models since almost equally long time. In this work, we present a new 1D layered atmosphere that spans not only from the photosphere to the transition region, but from the solar interior up to far in the corona. We also discuss typical mistakes that are done when"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.01218","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":"2026-05-18T01:37:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oJNBpwfkeIbAxEVIN8q1U9FR94J5CYSLOTFvK/6deXpJPdG6VOlEaJCyDSTQ+ACQXa6F6PKb/mNqvNjnWb3yBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:33:10.949201Z"},"content_sha256":"b696eff6f1f6f5ee7a1be51b691ef27f20272802c737d1eea67271d9ee600bb6","schema_version":"1.0","event_id":"sha256:b696eff6f1f6f5ee7a1be51b691ef27f20272802c737d1eea67271d9ee600bb6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4DYLLZ6KOXIRFMKECUR6NR4SBN/bundle.json","state_url":"https://pith.science/pith/4DYLLZ6KOXIRFMKECUR6NR4SBN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4DYLLZ6KOXIRFMKECUR6NR4SBN/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":"2026-05-28T10:33:10Z","links":{"resolver":"https://pith.science/pith/4DYLLZ6KOXIRFMKECUR6NR4SBN","bundle":"https://pith.science/pith/4DYLLZ6KOXIRFMKECUR6NR4SBN/bundle.json","state":"https://pith.science/pith/4DYLLZ6KOXIRFMKECUR6NR4SBN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4DYLLZ6KOXIRFMKECUR6NR4SBN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:4DYLLZ6KOXIRFMKECUR6NR4SBN","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":"d8714c8b6532318e2095d46699cafe4a0dfd6a9143f1e25715ec0ea678fe8dd6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-05T13:07:18Z","title_canon_sha256":"f7b27cb8576697335ec37b518b1d51b7f82280ccac0bc0f1102ecb4354b0a1ae"},"schema_version":"1.0","source":{"id":"1507.01218","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.01218","created_at":"2026-05-18T01:37:17Z"},{"alias_kind":"arxiv_version","alias_value":"1507.01218v1","created_at":"2026-05-18T01:37:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.01218","created_at":"2026-05-18T01:37:17Z"},{"alias_kind":"pith_short_12","alias_value":"4DYLLZ6KOXIR","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"4DYLLZ6KOXIRFMKE","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"4DYLLZ6K","created_at":"2026-05-18T12:29:05Z"}],"graph_snapshots":[{"event_id":"sha256:b696eff6f1f6f5ee7a1be51b691ef27f20272802c737d1eea67271d9ee600bb6","target":"graph","created_at":"2026-05-18T01:37:17Z","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":"Many applications in Solar physics need a 1D atmospheric model as initial condition or as reference for inversions of observational data. The VAL atmospheric models are based on observations and are widely used since decades. Complementary to that, the FAL models implement radiative hydrodynamics and showed the shortcomings of the VAL models since almost equally long time. In this work, we present a new 1D layered atmosphere that spans not only from the photosphere to the transition region, but from the solar interior up to far in the corona. We also discuss typical mistakes that are done when","authors_text":"Philippe-A. Bourdin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-05T13:07:18Z","title":"Standard 1D solar atmosphere as initial condition for MHD simulations and switch-on effects"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.01218","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":"sha256:055e3eda7326a9a6fa7884f7e7007e3f0fac603fb414b795d1e4ee812495dd69","target":"record","created_at":"2026-05-18T01:37:17Z","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":"d8714c8b6532318e2095d46699cafe4a0dfd6a9143f1e25715ec0ea678fe8dd6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-05T13:07:18Z","title_canon_sha256":"f7b27cb8576697335ec37b518b1d51b7f82280ccac0bc0f1102ecb4354b0a1ae"},"schema_version":"1.0","source":{"id":"1507.01218","kind":"arxiv","version":1}},"canonical_sha256":"e0f0b5e7ca75d112b1441523e6c7920b54512e29d997280499cae34848e2b027","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e0f0b5e7ca75d112b1441523e6c7920b54512e29d997280499cae34848e2b027","first_computed_at":"2026-05-18T01:37:17.700412Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:37:17.700412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0x/9WxIwmWNnlfhODaBaOfT9JjPXlvPV0Y/l2CWjSXjIGe5l1vsktl3Dk7RqhQJuyFLJIVUCZRezhAcI5Sa0BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:37:17.701031Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.01218","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:055e3eda7326a9a6fa7884f7e7007e3f0fac603fb414b795d1e4ee812495dd69","sha256:b696eff6f1f6f5ee7a1be51b691ef27f20272802c737d1eea67271d9ee600bb6"],"state_sha256":"1b0d23fcc4fff20da8aca3e70e7db7e740f7f2f4961eb32fd58757b4cefa29d9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"emDygF2N+ITPP58LacRjZlpinRSRGVAljkdkfbXrSLXUXksYOLZghEtcy8tGrWFipnFpPYAvxfwtqGp0NOa+Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T10:33:10.951161Z","bundle_sha256":"da1b5c77eda78a872c78ab7dcd6fab5547676b998c68439e22173d561dfd06c6"}}