{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:3MGKZEQPJ6OWXOHW4ZGW2ZCD7W","short_pith_number":"pith:3MGKZEQP","canonical_record":{"source":{"id":"2408.10629","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-08-20T08:12:08Z","cross_cats_sorted":[],"title_canon_sha256":"30daec0ad96b79a3b761a9ad7b95b47667fc4b83b10561aa74cc0cf19a37efa3","abstract_canon_sha256":"6ddaa66c17e1510b3279904b5d521b37e34b6fa44fb55dc9d55ac4430b50ed37"},"schema_version":"1.0"},"canonical_sha256":"db0cac920f4f9d6bb8f6e64d6d6443fd94b5ccdf43ae0123349e5b8bd5af1f48","source":{"kind":"arxiv","id":"2408.10629","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.10629","created_at":"2026-07-05T09:20:47Z"},{"alias_kind":"arxiv_version","alias_value":"2408.10629v1","created_at":"2026-07-05T09:20:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.10629","created_at":"2026-07-05T09:20:47Z"},{"alias_kind":"pith_short_12","alias_value":"3MGKZEQPJ6OW","created_at":"2026-07-05T09:20:47Z"},{"alias_kind":"pith_short_16","alias_value":"3MGKZEQPJ6OWXOHW","created_at":"2026-07-05T09:20:47Z"},{"alias_kind":"pith_short_8","alias_value":"3MGKZEQP","created_at":"2026-07-05T09:20:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:3MGKZEQPJ6OWXOHW4ZGW2ZCD7W","target":"record","payload":{"canonical_record":{"source":{"id":"2408.10629","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-08-20T08:12:08Z","cross_cats_sorted":[],"title_canon_sha256":"30daec0ad96b79a3b761a9ad7b95b47667fc4b83b10561aa74cc0cf19a37efa3","abstract_canon_sha256":"6ddaa66c17e1510b3279904b5d521b37e34b6fa44fb55dc9d55ac4430b50ed37"},"schema_version":"1.0"},"canonical_sha256":"db0cac920f4f9d6bb8f6e64d6d6443fd94b5ccdf43ae0123349e5b8bd5af1f48","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:20:47.028659Z","signature_b64":"uVSJl8FBRIBMr4fTFhH4r9hEprhYv14cObLdXi4UInQmk4bkoSgvCteez1mDq6IH8zja2vPpcvF8q28D+4PqAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db0cac920f4f9d6bb8f6e64d6d6443fd94b5ccdf43ae0123349e5b8bd5af1f48","last_reissued_at":"2026-07-05T09:20:47.028133Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:20:47.028133Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.10629","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":"2026-07-05T09:20:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xZ1QJ10+i8hFKZlOgo6fzT2BqkRp0dMzz7L+S6frc7C15XyelqAemBWGcpt8BHZvgIiDcUEq+zzKaD+WZ0fOBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T02:38:54.517507Z"},"content_sha256":"74b4104ee8c76d46fa18281f7dd274091182a256658d0c9486e393fd51d4f3e9","schema_version":"1.0","event_id":"sha256:74b4104ee8c76d46fa18281f7dd274091182a256658d0c9486e393fd51d4f3e9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:3MGKZEQPJ6OWXOHW4ZGW2ZCD7W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The GAPS Programme at TNG. LIX. A characterisation study of the $\\sim$300 Myr old multi-planetary system orbiting the star BD+40 2790 (TOI-2076)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"A. Bignamini, A. Goyal, A. Maggio, A.S. Bonomo, A. Sozzetti, C. Knapic, D. Locci, D. Nardiello, E. Palle, F. Murgas, G. Mantovan, G. Micela, G. Nowak, I. Carleo, J. Orell-Miquel, K. Biazzo, L. Borsato, L. Cabona, L. Malavolta, L. Mancini, M. Baratella, M. Damasso, M. Mallorquin, M. Pedani, M. Pinamonti, M.R. Zapatero Osorio, N. Lodieu, R. Claudi, R. Cosentino, R. Spinelli, S. Benatti, S. Desidera, S. Filomeno, S. Messina, S. Wang, T. Zingales, V.J.S. Bejar, V. Lorenzi","submitted_at":"2024-08-20T08:12:08Z","abstract_excerpt":"We collected more than 300 high-resolution spectra of the 300 Myr old star BD+40 2790 (TOI-2076) over ~3 years. This star hosts three transiting planets discovered by TESS, with orbital periods ~10, 21, and 35 days. BD+40 2790 shows an activity-induced scatter larger than 30 m/s in the radial velocities. We employed different methods to measure the stellar radial velocities and several models to filter out the dominant stellar activity signal, in order to bring to light the planet-induced signals which are expected to have semi-amplitudes one order of magnitude lower. We evaluated the mass los"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.10629","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/2408.10629/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":"2026-07-05T09:20:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WtD1uCqqkDgy50P/0FQeQ6P4dytOY+iuJgO1Yv/2zkbZVbVV2Z7IaHM7rUVTHtkrjCHfSz4qHlIwkEhULtVWBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T02:38:54.517890Z"},"content_sha256":"dcb04ab470a603cffadfabdbc8fde994e8e7b497dcc6e356ee53ebaddbc6f306","schema_version":"1.0","event_id":"sha256:dcb04ab470a603cffadfabdbc8fde994e8e7b497dcc6e356ee53ebaddbc6f306"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3MGKZEQPJ6OWXOHW4ZGW2ZCD7W/bundle.json","state_url":"https://pith.science/pith/3MGKZEQPJ6OWXOHW4ZGW2ZCD7W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3MGKZEQPJ6OWXOHW4ZGW2ZCD7W/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":"2026-07-08T02:38:54Z","links":{"resolver":"https://pith.science/pith/3MGKZEQPJ6OWXOHW4ZGW2ZCD7W","bundle":"https://pith.science/pith/3MGKZEQPJ6OWXOHW4ZGW2ZCD7W/bundle.json","state":"https://pith.science/pith/3MGKZEQPJ6OWXOHW4ZGW2ZCD7W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3MGKZEQPJ6OWXOHW4ZGW2ZCD7W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:3MGKZEQPJ6OWXOHW4ZGW2ZCD7W","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":"6ddaa66c17e1510b3279904b5d521b37e34b6fa44fb55dc9d55ac4430b50ed37","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-08-20T08:12:08Z","title_canon_sha256":"30daec0ad96b79a3b761a9ad7b95b47667fc4b83b10561aa74cc0cf19a37efa3"},"schema_version":"1.0","source":{"id":"2408.10629","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.10629","created_at":"2026-07-05T09:20:47Z"},{"alias_kind":"arxiv_version","alias_value":"2408.10629v1","created_at":"2026-07-05T09:20:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.10629","created_at":"2026-07-05T09:20:47Z"},{"alias_kind":"pith_short_12","alias_value":"3MGKZEQPJ6OW","created_at":"2026-07-05T09:20:47Z"},{"alias_kind":"pith_short_16","alias_value":"3MGKZEQPJ6OWXOHW","created_at":"2026-07-05T09:20:47Z"},{"alias_kind":"pith_short_8","alias_value":"3MGKZEQP","created_at":"2026-07-05T09:20:47Z"}],"graph_snapshots":[{"event_id":"sha256:dcb04ab470a603cffadfabdbc8fde994e8e7b497dcc6e356ee53ebaddbc6f306","target":"graph","created_at":"2026-07-05T09:20:47Z","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/2408.10629/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We collected more than 300 high-resolution spectra of the 300 Myr old star BD+40 2790 (TOI-2076) over ~3 years. This star hosts three transiting planets discovered by TESS, with orbital periods ~10, 21, and 35 days. BD+40 2790 shows an activity-induced scatter larger than 30 m/s in the radial velocities. We employed different methods to measure the stellar radial velocities and several models to filter out the dominant stellar activity signal, in order to bring to light the planet-induced signals which are expected to have semi-amplitudes one order of magnitude lower. We evaluated the mass los","authors_text":"A. Bignamini, A. Goyal, A. Maggio, A.S. Bonomo, A. Sozzetti, C. Knapic, D. Locci, D. Nardiello, E. Palle, F. Murgas, G. Mantovan, G. Micela, G. Nowak, I. Carleo, J. Orell-Miquel, K. Biazzo, L. Borsato, L. Cabona, L. Malavolta, L. Mancini, M. Baratella, M. Damasso, M. Mallorquin, M. Pedani, M. Pinamonti, M.R. Zapatero Osorio, N. Lodieu, R. Claudi, R. Cosentino, R. Spinelli, S. Benatti, S. Desidera, S. Filomeno, S. Messina, S. Wang, T. Zingales, V.J.S. Bejar, V. Lorenzi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-08-20T08:12:08Z","title":"The GAPS Programme at TNG. LIX. A characterisation study of the $\\sim$300 Myr old multi-planetary system orbiting the star BD+40 2790 (TOI-2076)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.10629","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":"sha256:74b4104ee8c76d46fa18281f7dd274091182a256658d0c9486e393fd51d4f3e9","target":"record","created_at":"2026-07-05T09:20:47Z","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":"6ddaa66c17e1510b3279904b5d521b37e34b6fa44fb55dc9d55ac4430b50ed37","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-08-20T08:12:08Z","title_canon_sha256":"30daec0ad96b79a3b761a9ad7b95b47667fc4b83b10561aa74cc0cf19a37efa3"},"schema_version":"1.0","source":{"id":"2408.10629","kind":"arxiv","version":1}},"canonical_sha256":"db0cac920f4f9d6bb8f6e64d6d6443fd94b5ccdf43ae0123349e5b8bd5af1f48","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"db0cac920f4f9d6bb8f6e64d6d6443fd94b5ccdf43ae0123349e5b8bd5af1f48","first_computed_at":"2026-07-05T09:20:47.028133Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:20:47.028133Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uVSJl8FBRIBMr4fTFhH4r9hEprhYv14cObLdXi4UInQmk4bkoSgvCteez1mDq6IH8zja2vPpcvF8q28D+4PqAg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:20:47.028659Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.10629","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:74b4104ee8c76d46fa18281f7dd274091182a256658d0c9486e393fd51d4f3e9","sha256:dcb04ab470a603cffadfabdbc8fde994e8e7b497dcc6e356ee53ebaddbc6f306"],"state_sha256":"6f928161408b8ffea853b25eb4762dfa93769f0df1c113758e60a79255922e19"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RYy1YEyOuEvUPxYpb4EcKwkMiQtQ2Uy1/DITRKYRRYvMUiG6wxMvBws6630NT/5gSUYpXphwJFNOWJILBT3UCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T02:38:54.520324Z","bundle_sha256":"406662301119866d91e43259969113662dadf2b59ce8ad22489e4bb1623d1221"}}