{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:CISTJQXTULFHMQCB3C3J4TWGP3","short_pith_number":"pith:CISTJQXT","canonical_record":{"source":{"id":"1607.03632","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-07-13T08:06:40Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"f129e3593018bdceb648113a6300b829723715a4f6d8e5b2c1ebd90c70f24143","abstract_canon_sha256":"0ee4ca1668e2da0c207df3d7a5334db2f017073989d85b8822ec62638c3e4f7b"},"schema_version":"1.0"},"canonical_sha256":"122534c2f3a2ca764041d8b69e4ec67ed7841c0b1166ae18ac0a093905ffc1be","source":{"kind":"arxiv","id":"1607.03632","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.03632","created_at":"2026-05-18T01:03:18Z"},{"alias_kind":"arxiv_version","alias_value":"1607.03632v1","created_at":"2026-05-18T01:03:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.03632","created_at":"2026-05-18T01:03:18Z"},{"alias_kind":"pith_short_12","alias_value":"CISTJQXTULFH","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CISTJQXTULFHMQCB","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CISTJQXT","created_at":"2026-05-18T12:30:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:CISTJQXTULFHMQCB3C3J4TWGP3","target":"record","payload":{"canonical_record":{"source":{"id":"1607.03632","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-07-13T08:06:40Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"f129e3593018bdceb648113a6300b829723715a4f6d8e5b2c1ebd90c70f24143","abstract_canon_sha256":"0ee4ca1668e2da0c207df3d7a5334db2f017073989d85b8822ec62638c3e4f7b"},"schema_version":"1.0"},"canonical_sha256":"122534c2f3a2ca764041d8b69e4ec67ed7841c0b1166ae18ac0a093905ffc1be","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:03:18.124759Z","signature_b64":"vX2gPilymeOOUOTKNlB+BaYaW/rPQIkehU3sinuOglz2F+vUST8PCZ5Rwv9SLZ9uigdcUQ8f3+0yogN3yGgVAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"122534c2f3a2ca764041d8b69e4ec67ed7841c0b1166ae18ac0a093905ffc1be","last_reissued_at":"2026-05-18T01:03:18.123996Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:03:18.123996Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.03632","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":"2026-05-18T01:03:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"86B2GZNDDyDbXFlW7yuHRVHgvoyFY63IAfwN611KW48qmEODq94WMmV2B4av0GwZdukuduNJOfzC0GORjbJ4Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:00:06.362156Z"},"content_sha256":"15cbb6f94fed2ff9fef16461f62cea6611d050cec1be03ab2558474b7da64c46","schema_version":"1.0","event_id":"sha256:15cbb6f94fed2ff9fef16461f62cea6611d050cec1be03ab2558474b7da64c46"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:CISTJQXTULFHMQCB3C3J4TWGP3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The HADES RV Programme with HARPS-N@TNG - GJ 3998: An early M-dwarf hosting a system of Super-Earths","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"A. Bignamini, A. F. Lanza, A. Rosich, A. S. Bonomo, A. Sozzetti, A. Su\\'arez Mascare\\~no, D. Cenadelli, E. Herrero, E. Molinari, E. Poretti, G. Leto, G. Micela, G. Piotto, G. Scandariato, I. Pagano, I. Ribas, J. C. Morales, J. I. Gonz\\'alez Hern\\'andez, J. Maldonado, L. Affer, L. Malavolta, M. Damasso, M. Lafarga, M. Perger, P. Giacobbe, R. Claudi, R. Cosentino, R. Gratton, R. Rebolo, R. Zanmar Sanchez, S. Desidera, S. Velasco","submitted_at":"2016-07-13T08:06:40Z","abstract_excerpt":"Context. M dwarfs are considered ideal targets for Doppler radial velocity searches. Nonetheless, the statistics of frequency of low-mass planets hosted by low mass stars remains poorly constrained. Aims. Our M-dwarf radial velocity monitoring with HARPS-N can provide a major contribution to the widening of the current statistics through the in-depth analysis of accurate radial velocity observations in a narrow range of spectral sub-types (79 stars, between dM0 to dM3). Spectral accuracy will enable us to reach the precision needed to detect small planets with a few earth masses. Our survey wi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.03632","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":"2026-05-18T01:03:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dXlnpFTPhHKLybEaHGD7HMV+Gz3ZVIiw0RB3FKxJJxJTEar9OBtmLhd53F6iffadJ6LLDdNum12i+msKpmHECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:00:06.362855Z"},"content_sha256":"64bf23b7e2501d7d15ac362b5ce36d80aba02e63e662993d8804198e79e00baa","schema_version":"1.0","event_id":"sha256:64bf23b7e2501d7d15ac362b5ce36d80aba02e63e662993d8804198e79e00baa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CISTJQXTULFHMQCB3C3J4TWGP3/bundle.json","state_url":"https://pith.science/pith/CISTJQXTULFHMQCB3C3J4TWGP3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CISTJQXTULFHMQCB3C3J4TWGP3/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":"2026-05-26T11:00:06Z","links":{"resolver":"https://pith.science/pith/CISTJQXTULFHMQCB3C3J4TWGP3","bundle":"https://pith.science/pith/CISTJQXTULFHMQCB3C3J4TWGP3/bundle.json","state":"https://pith.science/pith/CISTJQXTULFHMQCB3C3J4TWGP3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CISTJQXTULFHMQCB3C3J4TWGP3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:CISTJQXTULFHMQCB3C3J4TWGP3","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":"0ee4ca1668e2da0c207df3d7a5334db2f017073989d85b8822ec62638c3e4f7b","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-07-13T08:06:40Z","title_canon_sha256":"f129e3593018bdceb648113a6300b829723715a4f6d8e5b2c1ebd90c70f24143"},"schema_version":"1.0","source":{"id":"1607.03632","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.03632","created_at":"2026-05-18T01:03:18Z"},{"alias_kind":"arxiv_version","alias_value":"1607.03632v1","created_at":"2026-05-18T01:03:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.03632","created_at":"2026-05-18T01:03:18Z"},{"alias_kind":"pith_short_12","alias_value":"CISTJQXTULFH","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CISTJQXTULFHMQCB","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CISTJQXT","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:64bf23b7e2501d7d15ac362b5ce36d80aba02e63e662993d8804198e79e00baa","target":"graph","created_at":"2026-05-18T01:03:18Z","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":"Context. M dwarfs are considered ideal targets for Doppler radial velocity searches. Nonetheless, the statistics of frequency of low-mass planets hosted by low mass stars remains poorly constrained. Aims. Our M-dwarf radial velocity monitoring with HARPS-N can provide a major contribution to the widening of the current statistics through the in-depth analysis of accurate radial velocity observations in a narrow range of spectral sub-types (79 stars, between dM0 to dM3). Spectral accuracy will enable us to reach the precision needed to detect small planets with a few earth masses. Our survey wi","authors_text":"A. Bignamini, A. F. Lanza, A. Rosich, A. S. Bonomo, A. Sozzetti, A. Su\\'arez Mascare\\~no, D. Cenadelli, E. Herrero, E. Molinari, E. Poretti, G. Leto, G. Micela, G. Piotto, G. Scandariato, I. Pagano, I. Ribas, J. C. Morales, J. I. Gonz\\'alez Hern\\'andez, J. Maldonado, L. Affer, L. Malavolta, M. Damasso, M. Lafarga, M. Perger, P. Giacobbe, R. Claudi, R. Cosentino, R. Gratton, R. Rebolo, R. Zanmar Sanchez, S. Desidera, S. Velasco","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-07-13T08:06:40Z","title":"The HADES RV Programme with HARPS-N@TNG - GJ 3998: An early M-dwarf hosting a system of Super-Earths"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.03632","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":"sha256:15cbb6f94fed2ff9fef16461f62cea6611d050cec1be03ab2558474b7da64c46","target":"record","created_at":"2026-05-18T01:03:18Z","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":"0ee4ca1668e2da0c207df3d7a5334db2f017073989d85b8822ec62638c3e4f7b","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-07-13T08:06:40Z","title_canon_sha256":"f129e3593018bdceb648113a6300b829723715a4f6d8e5b2c1ebd90c70f24143"},"schema_version":"1.0","source":{"id":"1607.03632","kind":"arxiv","version":1}},"canonical_sha256":"122534c2f3a2ca764041d8b69e4ec67ed7841c0b1166ae18ac0a093905ffc1be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"122534c2f3a2ca764041d8b69e4ec67ed7841c0b1166ae18ac0a093905ffc1be","first_computed_at":"2026-05-18T01:03:18.123996Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:03:18.123996Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vX2gPilymeOOUOTKNlB+BaYaW/rPQIkehU3sinuOglz2F+vUST8PCZ5Rwv9SLZ9uigdcUQ8f3+0yogN3yGgVAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:03:18.124759Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.03632","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:15cbb6f94fed2ff9fef16461f62cea6611d050cec1be03ab2558474b7da64c46","sha256:64bf23b7e2501d7d15ac362b5ce36d80aba02e63e662993d8804198e79e00baa"],"state_sha256":"5d4bd4cc918b9a0e2df728a1319c107788753853f7b8c4c4962ebfe4e23139b1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hTRZDV9TBVQc1O81p4CcblbhyNYIlGDwiruByDdejGBktuZEHxRME3gRi1pD1uyX9y+sGmMbl9srjaKFN9zjBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T11:00:06.366446Z","bundle_sha256":"e57c39c58e115b011945edfb76db5820063eabb38f8553219c72f760e9dfe64b"}}