{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:7YP4L4JUNQVDB55UVOZDB2PSCG","short_pith_number":"pith:7YP4L4JU","canonical_record":{"source":{"id":"1708.05686","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-17T13:54:16Z","cross_cats_sorted":[],"title_canon_sha256":"af8b944b7fe3e60ad2bbf8073ed59abcb331b6cf0cb5b97a97420df52473f8c9","abstract_canon_sha256":"faefa861300c8260d4edb0014b0a44713eafd1d53e07506606f80c63f19497e5"},"schema_version":"1.0"},"canonical_sha256":"fe1fc5f1346c2a30f7b4abb230e9f211b3c2bd611391c3c3fb913f3db7f1d487","source":{"kind":"arxiv","id":"1708.05686","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.05686","created_at":"2026-05-18T00:07:43Z"},{"alias_kind":"arxiv_version","alias_value":"1708.05686v1","created_at":"2026-05-18T00:07:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.05686","created_at":"2026-05-18T00:07:43Z"},{"alias_kind":"pith_short_12","alias_value":"7YP4L4JUNQVD","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"7YP4L4JUNQVDB55U","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"7YP4L4JU","created_at":"2026-05-18T12:31:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:7YP4L4JUNQVDB55UVOZDB2PSCG","target":"record","payload":{"canonical_record":{"source":{"id":"1708.05686","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-17T13:54:16Z","cross_cats_sorted":[],"title_canon_sha256":"af8b944b7fe3e60ad2bbf8073ed59abcb331b6cf0cb5b97a97420df52473f8c9","abstract_canon_sha256":"faefa861300c8260d4edb0014b0a44713eafd1d53e07506606f80c63f19497e5"},"schema_version":"1.0"},"canonical_sha256":"fe1fc5f1346c2a30f7b4abb230e9f211b3c2bd611391c3c3fb913f3db7f1d487","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:43.735622Z","signature_b64":"D/b9d3C7dKUmzsu+XvVU/Op44frIE2L2KmUbplLzNydxWAFW1Nz77CV8jY1mHJEA7IqFzXR/iRjjcK937EOABQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe1fc5f1346c2a30f7b4abb230e9f211b3c2bd611391c3c3fb913f3db7f1d487","last_reissued_at":"2026-05-18T00:07:43.734928Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:43.734928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.05686","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":"2026-05-18T00:07:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GdDA0fxP2O+alxYj9zyqUMUzkk09DsRQ3EK1uVrabfi1afu77mJLpnJ+vU4NSJQU7BmpcPp9rxTCR8WMuqNHBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T02:18:00.649908Z"},"content_sha256":"045707ed8b8c8307227d0c9219890e324569ad62ba167bed37e97c0a0ed34d60","schema_version":"1.0","event_id":"sha256:045707ed8b8c8307227d0c9219890e324569ad62ba167bed37e97c0a0ed34d60"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:7YP4L4JUNQVDB55UVOZDB2PSCG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Carbon-enhanced metal-poor 3D model atmospheres","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A.J. Gallagher, E. Caffau, H.-G. Ludwig, M. Steffen, P. Bonifacio","submitted_at":"2017-08-17T13:54:16Z","abstract_excerpt":"We present our latest 3D model atmospheres for carbon-enhanced metal-poor (CEMP) stars computed with the CO5BOLD code. The stellar parameters are representative of hot turn-off objects (Teff ~ 6250 K, log g=4.0, [Fe/H]=-3.0). The main purpose of these models is to investigate the role of 3D effects on synthetic spectra of the CH G-band (4140-4400 A), the CN BX-band (3870-3890 A), and several UV OH transitions (3122-3128 A). By comparison with the synthetic spectra from standard 1D model atmospheres (assuming local thermodynamic equilibrium, LTE), we derive 3D abundance corrections for carbon a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.05686","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":"2026-05-18T00:07:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8H1Pp6IOVC0alNi6VCLVHjcLqR6j6+mYfl+PEieEtCKhC8LYqswCIqxbLrVPOGvCMU5KZOF6A+Fx5Ro4EEbWDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T02:18:00.650663Z"},"content_sha256":"858d9c4415e6c4665fb377cc52d0b31220e0c8c0478bcfb9ecccd0781810d449","schema_version":"1.0","event_id":"sha256:858d9c4415e6c4665fb377cc52d0b31220e0c8c0478bcfb9ecccd0781810d449"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7YP4L4JUNQVDB55UVOZDB2PSCG/bundle.json","state_url":"https://pith.science/pith/7YP4L4JUNQVDB55UVOZDB2PSCG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7YP4L4JUNQVDB55UVOZDB2PSCG/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":"2026-05-20T02:18:00Z","links":{"resolver":"https://pith.science/pith/7YP4L4JUNQVDB55UVOZDB2PSCG","bundle":"https://pith.science/pith/7YP4L4JUNQVDB55UVOZDB2PSCG/bundle.json","state":"https://pith.science/pith/7YP4L4JUNQVDB55UVOZDB2PSCG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7YP4L4JUNQVDB55UVOZDB2PSCG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:7YP4L4JUNQVDB55UVOZDB2PSCG","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":"faefa861300c8260d4edb0014b0a44713eafd1d53e07506606f80c63f19497e5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-17T13:54:16Z","title_canon_sha256":"af8b944b7fe3e60ad2bbf8073ed59abcb331b6cf0cb5b97a97420df52473f8c9"},"schema_version":"1.0","source":{"id":"1708.05686","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.05686","created_at":"2026-05-18T00:07:43Z"},{"alias_kind":"arxiv_version","alias_value":"1708.05686v1","created_at":"2026-05-18T00:07:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.05686","created_at":"2026-05-18T00:07:43Z"},{"alias_kind":"pith_short_12","alias_value":"7YP4L4JUNQVD","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"7YP4L4JUNQVDB55U","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"7YP4L4JU","created_at":"2026-05-18T12:31:05Z"}],"graph_snapshots":[{"event_id":"sha256:858d9c4415e6c4665fb377cc52d0b31220e0c8c0478bcfb9ecccd0781810d449","target":"graph","created_at":"2026-05-18T00:07:43Z","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 present our latest 3D model atmospheres for carbon-enhanced metal-poor (CEMP) stars computed with the CO5BOLD code. The stellar parameters are representative of hot turn-off objects (Teff ~ 6250 K, log g=4.0, [Fe/H]=-3.0). The main purpose of these models is to investigate the role of 3D effects on synthetic spectra of the CH G-band (4140-4400 A), the CN BX-band (3870-3890 A), and several UV OH transitions (3122-3128 A). By comparison with the synthetic spectra from standard 1D model atmospheres (assuming local thermodynamic equilibrium, LTE), we derive 3D abundance corrections for carbon a","authors_text":"A.J. Gallagher, E. Caffau, H.-G. Ludwig, M. Steffen, P. Bonifacio","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-17T13:54:16Z","title":"Carbon-enhanced metal-poor 3D model atmospheres"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.05686","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":"sha256:045707ed8b8c8307227d0c9219890e324569ad62ba167bed37e97c0a0ed34d60","target":"record","created_at":"2026-05-18T00:07:43Z","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":"faefa861300c8260d4edb0014b0a44713eafd1d53e07506606f80c63f19497e5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-17T13:54:16Z","title_canon_sha256":"af8b944b7fe3e60ad2bbf8073ed59abcb331b6cf0cb5b97a97420df52473f8c9"},"schema_version":"1.0","source":{"id":"1708.05686","kind":"arxiv","version":1}},"canonical_sha256":"fe1fc5f1346c2a30f7b4abb230e9f211b3c2bd611391c3c3fb913f3db7f1d487","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe1fc5f1346c2a30f7b4abb230e9f211b3c2bd611391c3c3fb913f3db7f1d487","first_computed_at":"2026-05-18T00:07:43.734928Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:07:43.734928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D/b9d3C7dKUmzsu+XvVU/Op44frIE2L2KmUbplLzNydxWAFW1Nz77CV8jY1mHJEA7IqFzXR/iRjjcK937EOABQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:07:43.735622Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.05686","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:045707ed8b8c8307227d0c9219890e324569ad62ba167bed37e97c0a0ed34d60","sha256:858d9c4415e6c4665fb377cc52d0b31220e0c8c0478bcfb9ecccd0781810d449"],"state_sha256":"8d6c12d6874b048a8b00a8141c7364a60d43b908398b9c3d7f5d9ff8eb287424"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mqUi3aLs2Vr5HuO5cX3Y2JB97lZjHHocMRJU3Gp0m5ty4HzV6HQfzqCgH2OmqgglqEEOwddaCUZE7iI1IeJEDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T02:18:00.659454Z","bundle_sha256":"29ba233b214bb7b35490fdea313ce71c7b9527f8d377644b5d6ff6a670a6d0bd"}}