{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:V7NAZSJNRCC2W74XWQPQZ7WEPW","short_pith_number":"pith:V7NAZSJN","canonical_record":{"source":{"id":"1109.2497","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-09-12T15:17:04Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"4d620d09e9f28b0bc2b744936efbe976188bfc241a180b0f7969cefe0f573f6a","abstract_canon_sha256":"7150edffb46654f256c258d40502c6322b2c17e04fd46ff31cc0ffdb6825b64d"},"schema_version":"1.0"},"canonical_sha256":"afda0cc92d8885ab7f97b41f0cfec47dac3d696e7fc93f9c337ba3f7b241fa05","source":{"kind":"arxiv","id":"1109.2497","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.2497","created_at":"2026-05-18T04:13:37Z"},{"alias_kind":"arxiv_version","alias_value":"1109.2497v1","created_at":"2026-05-18T04:13:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.2497","created_at":"2026-05-18T04:13:37Z"},{"alias_kind":"pith_short_12","alias_value":"V7NAZSJNRCC2","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"V7NAZSJNRCC2W74X","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"V7NAZSJN","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:V7NAZSJNRCC2W74XWQPQZ7WEPW","target":"record","payload":{"canonical_record":{"source":{"id":"1109.2497","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-09-12T15:17:04Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"4d620d09e9f28b0bc2b744936efbe976188bfc241a180b0f7969cefe0f573f6a","abstract_canon_sha256":"7150edffb46654f256c258d40502c6322b2c17e04fd46ff31cc0ffdb6825b64d"},"schema_version":"1.0"},"canonical_sha256":"afda0cc92d8885ab7f97b41f0cfec47dac3d696e7fc93f9c337ba3f7b241fa05","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:13:37.557054Z","signature_b64":"skVv96KLExvl8AjGKPiJCrjAW6Hs/N7mCxXkI9ZiJOF3b7i+3XQqW/F5ySC40EjTeB2bojTJhVBpA2xaFsPjCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"afda0cc92d8885ab7f97b41f0cfec47dac3d696e7fc93f9c337ba3f7b241fa05","last_reissued_at":"2026-05-18T04:13:37.556146Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:13:37.556146Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.2497","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":"2026-05-18T04:13:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xqbN3uiCXEwpBXBWaSB/4J6O/2CIfm/SV3kAJr1nr8EB/qdp/H0zDQw2ROe0xz2fKP9Wm4ArjRxZRQEvXF9qCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T18:04:43.220830Z"},"content_sha256":"369f241daae36123cd80d13ec26d222e232414606ffff59e2fd6b216d45c211d","schema_version":"1.0","event_id":"sha256:369f241daae36123cd80d13ec26d222e232414606ffff59e2fd6b216d45c211d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:V7NAZSJNRCC2W74XWQPQZ7WEPW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The HARPS search for southern extra-solar planets XXXIV. Occurrence, mass distribution and orbital properties of super-Earths and Neptune-mass planets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"C. Lovis, C. Mordasini, D. Queloz, D. S\\'egransan, F. Bouchy, F. Pepe, G. Lo Curto, J.-L. Bertaux, M. Marmier, M. Mayor, N. C. Santos, S. Udry, W. Benz, X. Dumusque","submitted_at":"2011-09-12T15:17:04Z","abstract_excerpt":"We report on the results of an 8-year survey carried out at the La Silla Observatory with the HARPS spectrograph to detect and characterize planets in the super-Earth and Neptune mass regime. The size of our star sample and the precision achieved with HARPS have allowed the detection of a sufficiently large number of low-mass planets to study the statistical properties of their orbital elements, the correlation of the host-star metallicity with the planet masses, as well as the occurrence rate of planetary systems around solar-type stars. A robust estimate of the frequency of systems shows tha"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.2497","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":"2026-05-18T04:13:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"py1UB13JYvJffjN23m4UwJvdRAi/MoAgSbnQPws0sEtHodp/hL21D35CKgOEK45uMtP3sBqLVThCqG4a+YpzCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T18:04:43.221251Z"},"content_sha256":"9ade6b9eca345149c6b56521a9d8b82b35dcd494df520f9f3f816cd04d5b4d88","schema_version":"1.0","event_id":"sha256:9ade6b9eca345149c6b56521a9d8b82b35dcd494df520f9f3f816cd04d5b4d88"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V7NAZSJNRCC2W74XWQPQZ7WEPW/bundle.json","state_url":"https://pith.science/pith/V7NAZSJNRCC2W74XWQPQZ7WEPW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V7NAZSJNRCC2W74XWQPQZ7WEPW/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":"2026-06-01T18:04:43Z","links":{"resolver":"https://pith.science/pith/V7NAZSJNRCC2W74XWQPQZ7WEPW","bundle":"https://pith.science/pith/V7NAZSJNRCC2W74XWQPQZ7WEPW/bundle.json","state":"https://pith.science/pith/V7NAZSJNRCC2W74XWQPQZ7WEPW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V7NAZSJNRCC2W74XWQPQZ7WEPW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:V7NAZSJNRCC2W74XWQPQZ7WEPW","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":"7150edffb46654f256c258d40502c6322b2c17e04fd46ff31cc0ffdb6825b64d","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-09-12T15:17:04Z","title_canon_sha256":"4d620d09e9f28b0bc2b744936efbe976188bfc241a180b0f7969cefe0f573f6a"},"schema_version":"1.0","source":{"id":"1109.2497","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.2497","created_at":"2026-05-18T04:13:37Z"},{"alias_kind":"arxiv_version","alias_value":"1109.2497v1","created_at":"2026-05-18T04:13:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.2497","created_at":"2026-05-18T04:13:37Z"},{"alias_kind":"pith_short_12","alias_value":"V7NAZSJNRCC2","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"V7NAZSJNRCC2W74X","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"V7NAZSJN","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:9ade6b9eca345149c6b56521a9d8b82b35dcd494df520f9f3f816cd04d5b4d88","target":"graph","created_at":"2026-05-18T04:13:37Z","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":"We report on the results of an 8-year survey carried out at the La Silla Observatory with the HARPS spectrograph to detect and characterize planets in the super-Earth and Neptune mass regime. The size of our star sample and the precision achieved with HARPS have allowed the detection of a sufficiently large number of low-mass planets to study the statistical properties of their orbital elements, the correlation of the host-star metallicity with the planet masses, as well as the occurrence rate of planetary systems around solar-type stars. A robust estimate of the frequency of systems shows tha","authors_text":"C. Lovis, C. Mordasini, D. Queloz, D. S\\'egransan, F. Bouchy, F. Pepe, G. Lo Curto, J.-L. Bertaux, M. Marmier, M. Mayor, N. C. Santos, S. Udry, W. Benz, X. Dumusque","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-09-12T15:17:04Z","title":"The HARPS search for southern extra-solar planets XXXIV. Occurrence, mass distribution and orbital properties of super-Earths and Neptune-mass planets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.2497","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":"sha256:369f241daae36123cd80d13ec26d222e232414606ffff59e2fd6b216d45c211d","target":"record","created_at":"2026-05-18T04:13:37Z","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":"7150edffb46654f256c258d40502c6322b2c17e04fd46ff31cc0ffdb6825b64d","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-09-12T15:17:04Z","title_canon_sha256":"4d620d09e9f28b0bc2b744936efbe976188bfc241a180b0f7969cefe0f573f6a"},"schema_version":"1.0","source":{"id":"1109.2497","kind":"arxiv","version":1}},"canonical_sha256":"afda0cc92d8885ab7f97b41f0cfec47dac3d696e7fc93f9c337ba3f7b241fa05","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"afda0cc92d8885ab7f97b41f0cfec47dac3d696e7fc93f9c337ba3f7b241fa05","first_computed_at":"2026-05-18T04:13:37.556146Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:13:37.556146Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"skVv96KLExvl8AjGKPiJCrjAW6Hs/N7mCxXkI9ZiJOF3b7i+3XQqW/F5ySC40EjTeB2bojTJhVBpA2xaFsPjCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:13:37.557054Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.2497","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:369f241daae36123cd80d13ec26d222e232414606ffff59e2fd6b216d45c211d","sha256:9ade6b9eca345149c6b56521a9d8b82b35dcd494df520f9f3f816cd04d5b4d88"],"state_sha256":"de32977dc8cfc6311d35c96af3e00cea9617030b20d4c92fb6f12aadb7819a49"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iYPTyNzE2DckDgodU4U3wH+rVyoqy334+RNT0H+FPsfCvNubz3/dnBU7dQknib0dsXwgEuCu0nckq/f428Z7BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T18:04:43.223301Z","bundle_sha256":"ee5609e8d408080c6724f950ec12cba78430f846245a2b7b15b171515529465b"}}