{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:WEDFD44UIRESIWHM2F3WK62FBO","short_pith_number":"pith:WEDFD44U","canonical_record":{"source":{"id":"2105.06155","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-05-13T09:21:02Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"821e3a343861efa4d4a0679c5d427e604b59600f040c29b8ba590cf8f4d04696","abstract_canon_sha256":"f91f538dfda8ae0faa482e2bef350ba3107d05aad6efb2ec8c273adba54bf33d"},"schema_version":"1.0"},"canonical_sha256":"b10651f39444492458ecd177657b450ba40a1c26c15f249bede5f2ae1b8ba320","source":{"kind":"arxiv","id":"2105.06155","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.06155","created_at":"2026-07-05T03:01:17Z"},{"alias_kind":"arxiv_version","alias_value":"2105.06155v2","created_at":"2026-07-05T03:01:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.06155","created_at":"2026-07-05T03:01:17Z"},{"alias_kind":"pith_short_12","alias_value":"WEDFD44UIRES","created_at":"2026-07-05T03:01:17Z"},{"alias_kind":"pith_short_16","alias_value":"WEDFD44UIRESIWHM","created_at":"2026-07-05T03:01:17Z"},{"alias_kind":"pith_short_8","alias_value":"WEDFD44U","created_at":"2026-07-05T03:01:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:WEDFD44UIRESIWHM2F3WK62FBO","target":"record","payload":{"canonical_record":{"source":{"id":"2105.06155","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-05-13T09:21:02Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"821e3a343861efa4d4a0679c5d427e604b59600f040c29b8ba590cf8f4d04696","abstract_canon_sha256":"f91f538dfda8ae0faa482e2bef350ba3107d05aad6efb2ec8c273adba54bf33d"},"schema_version":"1.0"},"canonical_sha256":"b10651f39444492458ecd177657b450ba40a1c26c15f249bede5f2ae1b8ba320","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:01:17.997123Z","signature_b64":"ocvGGYnakl0ibX/ZI6nRGHXhgDurNYrjFlhThyfd62z192rdUY2vppKAm+DQE10spup/Ff3NtXUVE6G4E1S6Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b10651f39444492458ecd177657b450ba40a1c26c15f249bede5f2ae1b8ba320","last_reissued_at":"2026-07-05T03:01:17.996713Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:01:17.996713Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.06155","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:01:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D4WFTnWj/9jca0FEZCmQ6oSPjxHZqHaHcIYTM+lqw9T5eLsslii9AIaXSuAdQ6GCwUKuoWpkXRBsN9/Q3E6mCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T19:23:15.991768Z"},"content_sha256":"a5070e4c03bcf1e7eb7e3d63649d56f6d4dddbbecaf0240fdef5d919abe31297","schema_version":"1.0","event_id":"sha256:a5070e4c03bcf1e7eb7e3d63649d56f6d4dddbbecaf0240fdef5d919abe31297"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:WEDFD44UIRESIWHM2F3WK62FBO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"HADES RV programme with HARPS-N at TNG XIV. A candidate super-Earth orbiting the M-dwarf GJ 9689 with a period close to half the stellar rotation period","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"A. Bignamini, A. F. Lanza, A. Maggio, A. Petralia, A. Sozzetti, A. Su\\'arez-Mascare\\~no, B. Toledo-Padr\\'on, E. Covino, E. Gonz\\'alez-\\'Alvarez, 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, M. Damasso, M. Perger, M. Pinamonti, P. Giacobbe, R. Claudi, R. Rebolo, R. Zanmar S\\'anchez, S. Desidera","submitted_at":"2021-05-13T09:21:02Z","abstract_excerpt":"Context. It is now well-established that small, rocky planets are common around low-mass stars. However, the detection of such planets is challenged by the short-term activity of the host stars. Aims. The HArps-N red Dwarf Exoplanet Survey (HADES) program is a long-term project at the Telescopio Nazionale Galileo aimed at the monitoring of nearby, early-type, M dwarfs, using the HARPS-N spectrograph to search for small, rocky planets. Methods. A total of 174 HARPS-N spectroscopic observations of the M0.5V-type star GJ 9689 taken over the past seven years have been analysed. We combined these d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.06155","kind":"arxiv","version":2},"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/2105.06155/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":"2026-07-05T03:01:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fMprHbaOGmh4PmDGtPGNzbaktBwRplpndfU/8Ssx7+3BB5HSnG+8GIZ0muP0/H0r0KYzYozKfh9At26wAWhaDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T19:23:15.992149Z"},"content_sha256":"9468833befc77c29ee276a2e98119eace354e1cd34bbfacec1f531d8e454289d","schema_version":"1.0","event_id":"sha256:9468833befc77c29ee276a2e98119eace354e1cd34bbfacec1f531d8e454289d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WEDFD44UIRESIWHM2F3WK62FBO/bundle.json","state_url":"https://pith.science/pith/WEDFD44UIRESIWHM2F3WK62FBO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WEDFD44UIRESIWHM2F3WK62FBO/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":"2026-07-08T19:23:15Z","links":{"resolver":"https://pith.science/pith/WEDFD44UIRESIWHM2F3WK62FBO","bundle":"https://pith.science/pith/WEDFD44UIRESIWHM2F3WK62FBO/bundle.json","state":"https://pith.science/pith/WEDFD44UIRESIWHM2F3WK62FBO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WEDFD44UIRESIWHM2F3WK62FBO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:WEDFD44UIRESIWHM2F3WK62FBO","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":"f91f538dfda8ae0faa482e2bef350ba3107d05aad6efb2ec8c273adba54bf33d","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-05-13T09:21:02Z","title_canon_sha256":"821e3a343861efa4d4a0679c5d427e604b59600f040c29b8ba590cf8f4d04696"},"schema_version":"1.0","source":{"id":"2105.06155","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.06155","created_at":"2026-07-05T03:01:17Z"},{"alias_kind":"arxiv_version","alias_value":"2105.06155v2","created_at":"2026-07-05T03:01:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.06155","created_at":"2026-07-05T03:01:17Z"},{"alias_kind":"pith_short_12","alias_value":"WEDFD44UIRES","created_at":"2026-07-05T03:01:17Z"},{"alias_kind":"pith_short_16","alias_value":"WEDFD44UIRESIWHM","created_at":"2026-07-05T03:01:17Z"},{"alias_kind":"pith_short_8","alias_value":"WEDFD44U","created_at":"2026-07-05T03:01:17Z"}],"graph_snapshots":[{"event_id":"sha256:9468833befc77c29ee276a2e98119eace354e1cd34bbfacec1f531d8e454289d","target":"graph","created_at":"2026-07-05T03:01:17Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2105.06155/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Context. It is now well-established that small, rocky planets are common around low-mass stars. However, the detection of such planets is challenged by the short-term activity of the host stars. Aims. The HArps-N red Dwarf Exoplanet Survey (HADES) program is a long-term project at the Telescopio Nazionale Galileo aimed at the monitoring of nearby, early-type, M dwarfs, using the HARPS-N spectrograph to search for small, rocky planets. Methods. A total of 174 HARPS-N spectroscopic observations of the M0.5V-type star GJ 9689 taken over the past seven years have been analysed. We combined these d","authors_text":"A. Bignamini, A. F. Lanza, A. Maggio, A. Petralia, A. Sozzetti, A. Su\\'arez-Mascare\\~no, B. Toledo-Padr\\'on, E. Covino, E. Gonz\\'alez-\\'Alvarez, 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, M. Damasso, M. Perger, M. Pinamonti, P. Giacobbe, R. Claudi, R. Rebolo, R. Zanmar S\\'anchez, S. Desidera","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-05-13T09:21:02Z","title":"HADES RV programme with HARPS-N at TNG XIV. A candidate super-Earth orbiting the M-dwarf GJ 9689 with a period close to half the stellar rotation period"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.06155","kind":"arxiv","version":2},"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:a5070e4c03bcf1e7eb7e3d63649d56f6d4dddbbecaf0240fdef5d919abe31297","target":"record","created_at":"2026-07-05T03:01:17Z","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":"f91f538dfda8ae0faa482e2bef350ba3107d05aad6efb2ec8c273adba54bf33d","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-05-13T09:21:02Z","title_canon_sha256":"821e3a343861efa4d4a0679c5d427e604b59600f040c29b8ba590cf8f4d04696"},"schema_version":"1.0","source":{"id":"2105.06155","kind":"arxiv","version":2}},"canonical_sha256":"b10651f39444492458ecd177657b450ba40a1c26c15f249bede5f2ae1b8ba320","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b10651f39444492458ecd177657b450ba40a1c26c15f249bede5f2ae1b8ba320","first_computed_at":"2026-07-05T03:01:17.996713Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:01:17.996713Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ocvGGYnakl0ibX/ZI6nRGHXhgDurNYrjFlhThyfd62z192rdUY2vppKAm+DQE10spup/Ff3NtXUVE6G4E1S6Ag==","signature_status":"signed_v1","signed_at":"2026-07-05T03:01:17.997123Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.06155","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a5070e4c03bcf1e7eb7e3d63649d56f6d4dddbbecaf0240fdef5d919abe31297","sha256:9468833befc77c29ee276a2e98119eace354e1cd34bbfacec1f531d8e454289d"],"state_sha256":"b29f26c816b9912df6e05a337624b8eb5f62c21699cd487a5ede36795198aa0d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i1K1rkBAF2KDuuZt+gGSSA5FfyaQOzZ+X/8hLdB5uFf2A5SroQBR8qiyT2uCLUx9UxA8jOv8POqalqJog0iDAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T19:23:15.994189Z","bundle_sha256":"ac0c566743018fd0c4dac8e3fc60f9400b783f700c30e26eb3f1b253e7fca4aa"}}