{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:IVZRR7AHEPCJTWLXNL36ULK6QI","short_pith_number":"pith:IVZRR7AH","canonical_record":{"source":{"id":"2101.02242","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-01-06T19:37:18Z","cross_cats_sorted":["astro-ph.IM","astro-ph.SR"],"title_canon_sha256":"1386f148d32c5075e59db91748d5dde86695ea0d509ab37ad0fc985b36717c55","abstract_canon_sha256":"e403da1090d4f103e09c8e9b889dca21736cd1c335686cc21850e93228b74942"},"schema_version":"1.0"},"canonical_sha256":"457318fc0723c499d9776af7ea2d5e8206a1b6f0eaa8a2b055d4c850baa175df","source":{"kind":"arxiv","id":"2101.02242","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.02242","created_at":"2026-07-05T02:23:24Z"},{"alias_kind":"arxiv_version","alias_value":"2101.02242v1","created_at":"2026-07-05T02:23:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.02242","created_at":"2026-07-05T02:23:24Z"},{"alias_kind":"pith_short_12","alias_value":"IVZRR7AHEPCJ","created_at":"2026-07-05T02:23:24Z"},{"alias_kind":"pith_short_16","alias_value":"IVZRR7AHEPCJTWLX","created_at":"2026-07-05T02:23:24Z"},{"alias_kind":"pith_short_8","alias_value":"IVZRR7AH","created_at":"2026-07-05T02:23:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:IVZRR7AHEPCJTWLXNL36ULK6QI","target":"record","payload":{"canonical_record":{"source":{"id":"2101.02242","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-01-06T19:37:18Z","cross_cats_sorted":["astro-ph.IM","astro-ph.SR"],"title_canon_sha256":"1386f148d32c5075e59db91748d5dde86695ea0d509ab37ad0fc985b36717c55","abstract_canon_sha256":"e403da1090d4f103e09c8e9b889dca21736cd1c335686cc21850e93228b74942"},"schema_version":"1.0"},"canonical_sha256":"457318fc0723c499d9776af7ea2d5e8206a1b6f0eaa8a2b055d4c850baa175df","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:23:24.369581Z","signature_b64":"n09QiscDE9cwOjV43OeyryPBkT7R3PWi58Cj2EAiCYXwVFUIkna7kstngajMWDWufqhWMqa9YvT+q3XLIFSRCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"457318fc0723c499d9776af7ea2d5e8206a1b6f0eaa8a2b055d4c850baa175df","last_reissued_at":"2026-07-05T02:23:24.369160Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:23:24.369160Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2101.02242","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":"2026-07-05T02:23:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0nuV4yOjj3N0QJDsCh0H+kdmSmXUgwqFV2gX6PgGbeeOcr4tf71lshVAznan6nbF9UPCsmjfx9eYZ0xRN9kfDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T13:41:48.525525Z"},"content_sha256":"27f699ce590abc22fef917f5407bdb88362a2644bf4b8e9eac41620df255a04b","schema_version":"1.0","event_id":"sha256:27f699ce590abc22fef917f5407bdb88362a2644bf4b8e9eac41620df255a04b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:IVZRR7AHEPCJTWLXNL36ULK6QI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Determination of stellar parameters for Ariel targets: a comparison analysis between different spectroscopic methods","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM","astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"A. Brucalassi, C. Danielski, E. Delgado-Mena, G. Casali, K. Biazzo, L. Magrini, M. Rainer, M. Tsantaki, M. Van der Swaelmen, N. Sanna, S. Sousa, V. Adibekyan","submitted_at":"2021-01-06T19:37:18Z","abstract_excerpt":"Ariel has been selected as the next ESA M4 science mission and it is expected to be launched in 2028. During its 4-year mission, Ariel will observe the atmospheres of a large and diversified population of transiting exoplanets. A key factor for the achievement of the scientific goal of Ariel is the selection strategy for the definition of the input target list. A meaningful choice of the targets requires an accurate knowledge of the planet hosting star properties and this is necessary to be obtained well before the launch. In this work, we present the results of a bench-marking analysis betwee"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.02242","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2101.02242/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:23:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i3S2zzrmCYZDAYGYw/IPa9lvCfeUNG9p8ujmej7FF4PaKhUVl8gtm6pjvfNX3Hi8SFx3/Moiuz5RLW7h0dmVCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T13:41:48.526570Z"},"content_sha256":"09aefc1b3dc566e15ef9a47dfe13846145570e7933e45cf2194b9de6ac96699c","schema_version":"1.0","event_id":"sha256:09aefc1b3dc566e15ef9a47dfe13846145570e7933e45cf2194b9de6ac96699c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IVZRR7AHEPCJTWLXNL36ULK6QI/bundle.json","state_url":"https://pith.science/pith/IVZRR7AHEPCJTWLXNL36ULK6QI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IVZRR7AHEPCJTWLXNL36ULK6QI/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":"2026-08-23T13:41:48Z","links":{"resolver":"https://pith.science/pith/IVZRR7AHEPCJTWLXNL36ULK6QI","bundle":"https://pith.science/pith/IVZRR7AHEPCJTWLXNL36ULK6QI/bundle.json","state":"https://pith.science/pith/IVZRR7AHEPCJTWLXNL36ULK6QI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IVZRR7AHEPCJTWLXNL36ULK6QI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:IVZRR7AHEPCJTWLXNL36ULK6QI","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":"e403da1090d4f103e09c8e9b889dca21736cd1c335686cc21850e93228b74942","cross_cats_sorted":["astro-ph.IM","astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-01-06T19:37:18Z","title_canon_sha256":"1386f148d32c5075e59db91748d5dde86695ea0d509ab37ad0fc985b36717c55"},"schema_version":"1.0","source":{"id":"2101.02242","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.02242","created_at":"2026-07-05T02:23:24Z"},{"alias_kind":"arxiv_version","alias_value":"2101.02242v1","created_at":"2026-07-05T02:23:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.02242","created_at":"2026-07-05T02:23:24Z"},{"alias_kind":"pith_short_12","alias_value":"IVZRR7AHEPCJ","created_at":"2026-07-05T02:23:24Z"},{"alias_kind":"pith_short_16","alias_value":"IVZRR7AHEPCJTWLX","created_at":"2026-07-05T02:23:24Z"},{"alias_kind":"pith_short_8","alias_value":"IVZRR7AH","created_at":"2026-07-05T02:23:24Z"}],"graph_snapshots":[{"event_id":"sha256:09aefc1b3dc566e15ef9a47dfe13846145570e7933e45cf2194b9de6ac96699c","target":"graph","created_at":"2026-07-05T02:23:24Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2101.02242/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Ariel has been selected as the next ESA M4 science mission and it is expected to be launched in 2028. During its 4-year mission, Ariel will observe the atmospheres of a large and diversified population of transiting exoplanets. A key factor for the achievement of the scientific goal of Ariel is the selection strategy for the definition of the input target list. A meaningful choice of the targets requires an accurate knowledge of the planet hosting star properties and this is necessary to be obtained well before the launch. In this work, we present the results of a bench-marking analysis betwee","authors_text":"A. Brucalassi, C. Danielski, E. Delgado-Mena, G. Casali, K. Biazzo, L. Magrini, M. Rainer, M. Tsantaki, M. Van der Swaelmen, N. Sanna, S. Sousa, V. Adibekyan","cross_cats":["astro-ph.IM","astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-01-06T19:37:18Z","title":"Determination of stellar parameters for Ariel targets: a comparison analysis between different spectroscopic methods"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.02242","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":"sha256:27f699ce590abc22fef917f5407bdb88362a2644bf4b8e9eac41620df255a04b","target":"record","created_at":"2026-07-05T02:23:24Z","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":"e403da1090d4f103e09c8e9b889dca21736cd1c335686cc21850e93228b74942","cross_cats_sorted":["astro-ph.IM","astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-01-06T19:37:18Z","title_canon_sha256":"1386f148d32c5075e59db91748d5dde86695ea0d509ab37ad0fc985b36717c55"},"schema_version":"1.0","source":{"id":"2101.02242","kind":"arxiv","version":1}},"canonical_sha256":"457318fc0723c499d9776af7ea2d5e8206a1b6f0eaa8a2b055d4c850baa175df","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"457318fc0723c499d9776af7ea2d5e8206a1b6f0eaa8a2b055d4c850baa175df","first_computed_at":"2026-07-05T02:23:24.369160Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:23:24.369160Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"n09QiscDE9cwOjV43OeyryPBkT7R3PWi58Cj2EAiCYXwVFUIkna7kstngajMWDWufqhWMqa9YvT+q3XLIFSRCg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:23:24.369581Z","signed_message":"canonical_sha256_bytes"},"source_id":"2101.02242","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:27f699ce590abc22fef917f5407bdb88362a2644bf4b8e9eac41620df255a04b","sha256:09aefc1b3dc566e15ef9a47dfe13846145570e7933e45cf2194b9de6ac96699c"],"state_sha256":"ff66cb0d9fa3a12bdde522a0b8c59473ce81f18e1430116dbe906585661ac544"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4QWlNPaaFEkS6Ny67FTJ/IWpKJ8ijamOq40kFbTxt/DzK5DneS7e+MUNY8sX96A9Id3yADyYa26b0Eq34mzBDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T13:41:48.530951Z","bundle_sha256":"64b92b0e2d89bac27516aae517c87b6440486c257517f7f78c2a2086e74566f4"}}