{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:JHB342MMPG7AEPS2AF5AV3DVG3","short_pith_number":"pith:JHB342MM","canonical_record":{"source":{"id":"1511.03941","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-11-12T16:08:18Z","cross_cats_sorted":[],"title_canon_sha256":"2ba9306126d814d9368f3f95fbd87aecfd5a7b5c9e33dac52278f99a0490665b","abstract_canon_sha256":"72007193eedb9789a907ec81b07e40e092e088c8ea35ff7461380230fd7f83df"},"schema_version":"1.0"},"canonical_sha256":"49c3be698c79be023e5a017a0aec7536e159f308cef41760b0bbafe715c9fd52","source":{"kind":"arxiv","id":"1511.03941","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.03941","created_at":"2026-05-18T01:22:58Z"},{"alias_kind":"arxiv_version","alias_value":"1511.03941v1","created_at":"2026-05-18T01:22:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.03941","created_at":"2026-05-18T01:22:58Z"},{"alias_kind":"pith_short_12","alias_value":"JHB342MMPG7A","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JHB342MMPG7AEPS2","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JHB342MM","created_at":"2026-05-18T12:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:JHB342MMPG7AEPS2AF5AV3DVG3","target":"record","payload":{"canonical_record":{"source":{"id":"1511.03941","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-11-12T16:08:18Z","cross_cats_sorted":[],"title_canon_sha256":"2ba9306126d814d9368f3f95fbd87aecfd5a7b5c9e33dac52278f99a0490665b","abstract_canon_sha256":"72007193eedb9789a907ec81b07e40e092e088c8ea35ff7461380230fd7f83df"},"schema_version":"1.0"},"canonical_sha256":"49c3be698c79be023e5a017a0aec7536e159f308cef41760b0bbafe715c9fd52","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:58.325684Z","signature_b64":"bv0BEYSPfyubImIBbW3y5iLktR4g80wIuT83ftsmGbuCIOBm/MVr6l2bn1gH6ZvV/qjS5G6kpISA8gc+KupOBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49c3be698c79be023e5a017a0aec7536e159f308cef41760b0bbafe715c9fd52","last_reissued_at":"2026-05-18T01:22:58.325081Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:58.325081Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.03941","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":"2026-05-18T01:22:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BTl/hZNx45zZB7GtoNSZzBWTW176th5f5M7EgnVdMz9cElg/UPhdyJAcrtQfuvyPb9y/5/DSBhrfs7rwYutRBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T18:56:21.724177Z"},"content_sha256":"5d1cd53482a22f903c4922b0e8c939ac8d42b3c9fbe1e82f320c03306eec958b","schema_version":"1.0","event_id":"sha256:5d1cd53482a22f903c4922b0e8c939ac8d42b3c9fbe1e82f320c03306eec958b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:JHB342MMPG7AEPS2AF5AV3DVG3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The HARPS search for southern extra-solar planets. XXXIX. HD175607 b, the most metal-poor G dwarf with an orbiting sub-Neptune","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"A. Collier Cameron, A. Mortier, A. Santerne, A. Sozzetti, C. Lovis, C. Melo, D. Queloz, D. S\\'egransan, F. Pepe, G. Lo Curto, I. Boisse, J.P. Faria, M. Mayor, N.C. Santos, P. Figueira, S.G. Sousa, S. Udry, V. Rajpaul, X. Dumusque","submitted_at":"2015-11-12T16:08:18Z","abstract_excerpt":"Context. The presence of a small-mass planet (M$_p<$0.1\\,M$_{Jup}$) seems, to date, not to depend on metallicity, however, theoretical simulations have shown that stars with subsolar metallicities may be favoured for harbouring smaller planets. A large, dedicated survey of metal-poor stars with the HARPS spectrograph has thus been carried out to search for Neptunes and super-Earths. Aims. In this paper, we present the analysis of \\object{HD175607}, an old G6 star with metallicity [Fe/H] = -0.62. We gathered 119 radial velocity measurements in 110 nights over a time span of more than nine years"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.03941","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":"2026-05-18T01:22:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bIrXHrdTc/B7qUuPbbjcXrbKnVv/nNynS+yk1AaiJwgPis5xpKmESDHoI3sxjqBNuChR17tpVmt7JNpqd0HTCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T18:56:21.724559Z"},"content_sha256":"a13003a0b1be4ab294ba5bb8fcac9bc474cae74d81445729d4947355726ea892","schema_version":"1.0","event_id":"sha256:a13003a0b1be4ab294ba5bb8fcac9bc474cae74d81445729d4947355726ea892"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JHB342MMPG7AEPS2AF5AV3DVG3/bundle.json","state_url":"https://pith.science/pith/JHB342MMPG7AEPS2AF5AV3DVG3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JHB342MMPG7AEPS2AF5AV3DVG3/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":"2026-06-01T18:56:21Z","links":{"resolver":"https://pith.science/pith/JHB342MMPG7AEPS2AF5AV3DVG3","bundle":"https://pith.science/pith/JHB342MMPG7AEPS2AF5AV3DVG3/bundle.json","state":"https://pith.science/pith/JHB342MMPG7AEPS2AF5AV3DVG3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JHB342MMPG7AEPS2AF5AV3DVG3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:JHB342MMPG7AEPS2AF5AV3DVG3","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":"72007193eedb9789a907ec81b07e40e092e088c8ea35ff7461380230fd7f83df","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-11-12T16:08:18Z","title_canon_sha256":"2ba9306126d814d9368f3f95fbd87aecfd5a7b5c9e33dac52278f99a0490665b"},"schema_version":"1.0","source":{"id":"1511.03941","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.03941","created_at":"2026-05-18T01:22:58Z"},{"alias_kind":"arxiv_version","alias_value":"1511.03941v1","created_at":"2026-05-18T01:22:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.03941","created_at":"2026-05-18T01:22:58Z"},{"alias_kind":"pith_short_12","alias_value":"JHB342MMPG7A","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JHB342MMPG7AEPS2","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JHB342MM","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:a13003a0b1be4ab294ba5bb8fcac9bc474cae74d81445729d4947355726ea892","target":"graph","created_at":"2026-05-18T01:22:58Z","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. The presence of a small-mass planet (M$_p<$0.1\\,M$_{Jup}$) seems, to date, not to depend on metallicity, however, theoretical simulations have shown that stars with subsolar metallicities may be favoured for harbouring smaller planets. A large, dedicated survey of metal-poor stars with the HARPS spectrograph has thus been carried out to search for Neptunes and super-Earths. Aims. In this paper, we present the analysis of \\object{HD175607}, an old G6 star with metallicity [Fe/H] = -0.62. We gathered 119 radial velocity measurements in 110 nights over a time span of more than nine years","authors_text":"A. Collier Cameron, A. Mortier, A. Santerne, A. Sozzetti, C. Lovis, C. Melo, D. Queloz, D. S\\'egransan, F. Pepe, G. Lo Curto, I. Boisse, J.P. Faria, M. Mayor, N.C. Santos, P. Figueira, S.G. Sousa, S. Udry, V. Rajpaul, X. Dumusque","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-11-12T16:08:18Z","title":"The HARPS search for southern extra-solar planets. XXXIX. HD175607 b, the most metal-poor G dwarf with an orbiting sub-Neptune"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.03941","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":"sha256:5d1cd53482a22f903c4922b0e8c939ac8d42b3c9fbe1e82f320c03306eec958b","target":"record","created_at":"2026-05-18T01:22:58Z","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":"72007193eedb9789a907ec81b07e40e092e088c8ea35ff7461380230fd7f83df","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-11-12T16:08:18Z","title_canon_sha256":"2ba9306126d814d9368f3f95fbd87aecfd5a7b5c9e33dac52278f99a0490665b"},"schema_version":"1.0","source":{"id":"1511.03941","kind":"arxiv","version":1}},"canonical_sha256":"49c3be698c79be023e5a017a0aec7536e159f308cef41760b0bbafe715c9fd52","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49c3be698c79be023e5a017a0aec7536e159f308cef41760b0bbafe715c9fd52","first_computed_at":"2026-05-18T01:22:58.325081Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:22:58.325081Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bv0BEYSPfyubImIBbW3y5iLktR4g80wIuT83ftsmGbuCIOBm/MVr6l2bn1gH6ZvV/qjS5G6kpISA8gc+KupOBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:22:58.325684Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.03941","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d1cd53482a22f903c4922b0e8c939ac8d42b3c9fbe1e82f320c03306eec958b","sha256:a13003a0b1be4ab294ba5bb8fcac9bc474cae74d81445729d4947355726ea892"],"state_sha256":"c888e32e108746c49c8c2cfcc02f32bf8747ff1c672176f1bf6e087dcb1bf0a7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JGch7o1GU5VWgWmbaaVA64f7fxRJ/x9JeRFHDcsfD4REiHxAdfr8zrQBjh3oyZj4sDDGDLW8vIIFhvUorzkRBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T18:56:21.727238Z","bundle_sha256":"b4f25b5beac74058542a1f0a13d5d35b262b2bfdc27af1016d7c6c50b2419fb1"}}