{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:VRDYYRLEEFBE3SHECLBM5QUS36","short_pith_number":"pith:VRDYYRLE","canonical_record":{"source":{"id":"1206.7118","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-06-29T19:57:31Z","cross_cats_sorted":[],"title_canon_sha256":"d642995b78a6754afc7c953a31fd219b54a99f5493fc5f795b5c0f44f0bf5c76","abstract_canon_sha256":"7211b0beeac0a65a34e1271f0ef74f6f405081f27b90621a722aa1b0f03a6dfa"},"schema_version":"1.0"},"canonical_sha256":"ac478c456421424dc8e412c2cec292dfb5c41e8448a5aa63fe771473f731d8c7","source":{"kind":"arxiv","id":"1206.7118","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.7118","created_at":"2026-05-18T01:56:36Z"},{"alias_kind":"arxiv_version","alias_value":"1206.7118v2","created_at":"2026-05-18T01:56:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.7118","created_at":"2026-05-18T01:56:36Z"},{"alias_kind":"pith_short_12","alias_value":"VRDYYRLEEFBE","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VRDYYRLEEFBE3SHE","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VRDYYRLE","created_at":"2026-05-18T12:27:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:VRDYYRLEEFBE3SHECLBM5QUS36","target":"record","payload":{"canonical_record":{"source":{"id":"1206.7118","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-06-29T19:57:31Z","cross_cats_sorted":[],"title_canon_sha256":"d642995b78a6754afc7c953a31fd219b54a99f5493fc5f795b5c0f44f0bf5c76","abstract_canon_sha256":"7211b0beeac0a65a34e1271f0ef74f6f405081f27b90621a722aa1b0f03a6dfa"},"schema_version":"1.0"},"canonical_sha256":"ac478c456421424dc8e412c2cec292dfb5c41e8448a5aa63fe771473f731d8c7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:56:36.299419Z","signature_b64":"1plLUOhOVJ+XgfsKcyGkqtGwmpt3il64fdU38bc4qKtfNULf+yznOo0Gnpg5vmA6JsU3g1ZxRyii4zXP+/QDAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ac478c456421424dc8e412c2cec292dfb5c41e8448a5aa63fe771473f731d8c7","last_reissued_at":"2026-05-18T01:56:36.298982Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:56:36.298982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.7118","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":"2026-05-18T01:56:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PlAPDRyy3JvkXv4nTqQzHMJWt+F5k7KmuJsRH8Ct11VuYLVTMYvC66Fg5YSVKT7Cp/Ay+Mjv3RUXBN2OTR18Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:58:16.509279Z"},"content_sha256":"ea239735929e471ea746193fd2c5e8e9185b32cd9c4b148b3ad052b50fed090a","schema_version":"1.0","event_id":"sha256:ea239735929e471ea746193fd2c5e8e9185b32cd9c4b148b3ad052b50fed090a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:VRDYYRLEEFBE3SHECLBM5QUS36","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A planetary system with gas giants and super-Earths around the nearby M dwarf GJ 676A. Optimizing data analysis techniques for the detection of multi-planetary systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Guillem Anglada-Escud\\'e, Mikko Tuomi","submitted_at":"2012-06-29T19:57:31Z","abstract_excerpt":"Several M dwarfs are targets of systematical monitoring in searches for Doppler signals caused by low-mass exoplanet companions. As a result, an emerging population of high-multiplicity planetary systems around low-mass stars are being detected as well. We optimize classic data analysis methods and develop new ones to enhance sensitivity towards low-amplitude planets in high-multiplicity systems. We apply these methods to the public HARPS observations of GJ 676A, a nearby M dwarf with one reported gas giant companion. We re-derived Doppler measurements using the template matching method (HARPS"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.7118","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":""},"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":"2026-05-18T01:56:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ydBbvdA1FR0zQ8P+80XAyxZIrWysaTdzaKLzwHi0V3x/GYORvzc4zlGKpe4HO2JYrPmCFHmlbxBvrk8WOHbHBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:58:16.509654Z"},"content_sha256":"da0377dd6f2699f9de57518a228d1f66f63c3f2c934c44f75303c22068e3a667","schema_version":"1.0","event_id":"sha256:da0377dd6f2699f9de57518a228d1f66f63c3f2c934c44f75303c22068e3a667"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VRDYYRLEEFBE3SHECLBM5QUS36/bundle.json","state_url":"https://pith.science/pith/VRDYYRLEEFBE3SHECLBM5QUS36/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VRDYYRLEEFBE3SHECLBM5QUS36/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":"2026-05-28T05:58:16Z","links":{"resolver":"https://pith.science/pith/VRDYYRLEEFBE3SHECLBM5QUS36","bundle":"https://pith.science/pith/VRDYYRLEEFBE3SHECLBM5QUS36/bundle.json","state":"https://pith.science/pith/VRDYYRLEEFBE3SHECLBM5QUS36/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VRDYYRLEEFBE3SHECLBM5QUS36/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:VRDYYRLEEFBE3SHECLBM5QUS36","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":"7211b0beeac0a65a34e1271f0ef74f6f405081f27b90621a722aa1b0f03a6dfa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-06-29T19:57:31Z","title_canon_sha256":"d642995b78a6754afc7c953a31fd219b54a99f5493fc5f795b5c0f44f0bf5c76"},"schema_version":"1.0","source":{"id":"1206.7118","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.7118","created_at":"2026-05-18T01:56:36Z"},{"alias_kind":"arxiv_version","alias_value":"1206.7118v2","created_at":"2026-05-18T01:56:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.7118","created_at":"2026-05-18T01:56:36Z"},{"alias_kind":"pith_short_12","alias_value":"VRDYYRLEEFBE","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VRDYYRLEEFBE3SHE","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VRDYYRLE","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:da0377dd6f2699f9de57518a228d1f66f63c3f2c934c44f75303c22068e3a667","target":"graph","created_at":"2026-05-18T01:56:36Z","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":"Several M dwarfs are targets of systematical monitoring in searches for Doppler signals caused by low-mass exoplanet companions. As a result, an emerging population of high-multiplicity planetary systems around low-mass stars are being detected as well. We optimize classic data analysis methods and develop new ones to enhance sensitivity towards low-amplitude planets in high-multiplicity systems. We apply these methods to the public HARPS observations of GJ 676A, a nearby M dwarf with one reported gas giant companion. We re-derived Doppler measurements using the template matching method (HARPS","authors_text":"Guillem Anglada-Escud\\'e, Mikko Tuomi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-06-29T19:57:31Z","title":"A planetary system with gas giants and super-Earths around the nearby M dwarf GJ 676A. Optimizing data analysis techniques for the detection of multi-planetary systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.7118","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:ea239735929e471ea746193fd2c5e8e9185b32cd9c4b148b3ad052b50fed090a","target":"record","created_at":"2026-05-18T01:56:36Z","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":"7211b0beeac0a65a34e1271f0ef74f6f405081f27b90621a722aa1b0f03a6dfa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-06-29T19:57:31Z","title_canon_sha256":"d642995b78a6754afc7c953a31fd219b54a99f5493fc5f795b5c0f44f0bf5c76"},"schema_version":"1.0","source":{"id":"1206.7118","kind":"arxiv","version":2}},"canonical_sha256":"ac478c456421424dc8e412c2cec292dfb5c41e8448a5aa63fe771473f731d8c7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ac478c456421424dc8e412c2cec292dfb5c41e8448a5aa63fe771473f731d8c7","first_computed_at":"2026-05-18T01:56:36.298982Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:56:36.298982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1plLUOhOVJ+XgfsKcyGkqtGwmpt3il64fdU38bc4qKtfNULf+yznOo0Gnpg5vmA6JsU3g1ZxRyii4zXP+/QDAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:56:36.299419Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.7118","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ea239735929e471ea746193fd2c5e8e9185b32cd9c4b148b3ad052b50fed090a","sha256:da0377dd6f2699f9de57518a228d1f66f63c3f2c934c44f75303c22068e3a667"],"state_sha256":"1aaada1bda18edf0cdd13cbbba5613f5fc268613c0b0e7fef072358ae652e113"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6pM1aBn+do+rNnNW9s5QsrqY/j7/1UgOVFau6ogV9KSfHWqyt+8/8wPyfWdwGg4Ojsebc4fq/h07PfanZVuuBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T05:58:16.511666Z","bundle_sha256":"a7eff78b712f2ce4d6e44ef54ad64609ee629393e629dbf52106d309d2970582"}}