{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:3VX7J4UE2PSULER2R5Q6OCDRSS","short_pith_number":"pith:3VX7J4UE","canonical_record":{"source":{"id":"1607.00007","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-06-30T20:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"e95d64576207ba44f3832a6dff5cb6c265ebdfd59b80203e3190f2b9e7daaa2e","abstract_canon_sha256":"e5ce435f994a5bac7cb57e58bb4247644d1e22af38f621da558cdf2f998b8459"},"schema_version":"1.0"},"canonical_sha256":"dd6ff4f284d3e545923a8f61e708719492019b25170ac002fb1af9922c34aa01","source":{"kind":"arxiv","id":"1607.00007","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.00007","created_at":"2026-05-18T01:01:57Z"},{"alias_kind":"arxiv_version","alias_value":"1607.00007v1","created_at":"2026-05-18T01:01:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.00007","created_at":"2026-05-18T01:01:57Z"},{"alias_kind":"pith_short_12","alias_value":"3VX7J4UE2PSU","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"3VX7J4UE2PSULER2","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"3VX7J4UE","created_at":"2026-05-18T12:29:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:3VX7J4UE2PSULER2R5Q6OCDRSS","target":"record","payload":{"canonical_record":{"source":{"id":"1607.00007","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-06-30T20:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"e95d64576207ba44f3832a6dff5cb6c265ebdfd59b80203e3190f2b9e7daaa2e","abstract_canon_sha256":"e5ce435f994a5bac7cb57e58bb4247644d1e22af38f621da558cdf2f998b8459"},"schema_version":"1.0"},"canonical_sha256":"dd6ff4f284d3e545923a8f61e708719492019b25170ac002fb1af9922c34aa01","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:01:57.399907Z","signature_b64":"1GMEoBv0vF8/f47L45BKDJ+E2FgTLfoWcmX3bx+jUpoksfQhymZwiaWhFjke5X4Ns6nb9x9YJdBYjZOlgjwgDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd6ff4f284d3e545923a8f61e708719492019b25170ac002fb1af9922c34aa01","last_reissued_at":"2026-05-18T01:01:57.399189Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:01:57.399189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.00007","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":"2026-05-18T01:01:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OC9tinaJ5njcbZCU8w1xhG1AeKwsklaRbhEwipXZVuOhbWdEgBjjdrR/i+hivYR+ciZyGB6lsTEtFtsYdocnBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:16:06.011832Z"},"content_sha256":"1dc50733b212a0d52351b6b8d66572e4eacc45d28effdeeec56ea7a1c2f2db8a","schema_version":"1.0","event_id":"sha256:1dc50733b212a0d52351b6b8d66572e4eacc45d28effdeeec56ea7a1c2f2db8a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:3VX7J4UE2PSULER2R5Q6OCDRSS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Three Temperate Neptunes Orbiting Nearby Stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Andrew W. Howard, Benjamin J. Fulton, Daniel Huber, David R. Ciardi, Elliott P. Horch, Eric B. Ford, Erik A. Petigura, Evan Sinukoff, Geoffrey W. Marcy, Gregory W. Henry, Howard Isaacson, Jason T. Wright, Justin Wittrock, Kaspar von Braun, Lauren M. Weiss, Lea Hirsch, Samuel K. Grunblatt, Stephen R. Kane, Steve B. Howell, Tabetha S. Boyajian","submitted_at":"2016-06-30T20:00:05Z","abstract_excerpt":"We present the discovery of three modestly-irradiated, roughly Neptune-mass planets orbiting three nearby Solar-type stars. HD 42618 b has a minimum mass of $15.4 \\pm 2.4$ M$_{\\oplus}$, a semi-major axis of 0.55 AU, an equilibrium temperature of 337 K, and is the first planet discovered to orbit the solar analogue host star, HD 42618. We also discover new planets orbiting the known exoplanet host stars HD 164922 and HD 143761 ($\\rho$ CrB). The new planet orbiting HD 164922 has a minimum mass of $12.9 \\pm 1.6$ M$_{\\oplus}$ and orbits interior to the previously known Jovian mass planet orbiting "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.00007","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":"2026-05-18T01:01:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HbA91FTB1nvUx2RQD1TdVrpgOUyMeSZ8UPf7WDUtExkoaxY+VjF3UwA9JGg1qxGUFSBi2K4ekt+GbKlrzcp7BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:16:06.012197Z"},"content_sha256":"09d62defba55dfe40cf2ef7fc16bbb084fd3aba4f2e944d294e65a63cdfb3bd8","schema_version":"1.0","event_id":"sha256:09d62defba55dfe40cf2ef7fc16bbb084fd3aba4f2e944d294e65a63cdfb3bd8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3VX7J4UE2PSULER2R5Q6OCDRSS/bundle.json","state_url":"https://pith.science/pith/3VX7J4UE2PSULER2R5Q6OCDRSS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3VX7J4UE2PSULER2R5Q6OCDRSS/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":"2026-05-30T14:16:06Z","links":{"resolver":"https://pith.science/pith/3VX7J4UE2PSULER2R5Q6OCDRSS","bundle":"https://pith.science/pith/3VX7J4UE2PSULER2R5Q6OCDRSS/bundle.json","state":"https://pith.science/pith/3VX7J4UE2PSULER2R5Q6OCDRSS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3VX7J4UE2PSULER2R5Q6OCDRSS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:3VX7J4UE2PSULER2R5Q6OCDRSS","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":"e5ce435f994a5bac7cb57e58bb4247644d1e22af38f621da558cdf2f998b8459","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-06-30T20:00:05Z","title_canon_sha256":"e95d64576207ba44f3832a6dff5cb6c265ebdfd59b80203e3190f2b9e7daaa2e"},"schema_version":"1.0","source":{"id":"1607.00007","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.00007","created_at":"2026-05-18T01:01:57Z"},{"alias_kind":"arxiv_version","alias_value":"1607.00007v1","created_at":"2026-05-18T01:01:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.00007","created_at":"2026-05-18T01:01:57Z"},{"alias_kind":"pith_short_12","alias_value":"3VX7J4UE2PSU","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"3VX7J4UE2PSULER2","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"3VX7J4UE","created_at":"2026-05-18T12:29:58Z"}],"graph_snapshots":[{"event_id":"sha256:09d62defba55dfe40cf2ef7fc16bbb084fd3aba4f2e944d294e65a63cdfb3bd8","target":"graph","created_at":"2026-05-18T01:01:57Z","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 present the discovery of three modestly-irradiated, roughly Neptune-mass planets orbiting three nearby Solar-type stars. HD 42618 b has a minimum mass of $15.4 \\pm 2.4$ M$_{\\oplus}$, a semi-major axis of 0.55 AU, an equilibrium temperature of 337 K, and is the first planet discovered to orbit the solar analogue host star, HD 42618. We also discover new planets orbiting the known exoplanet host stars HD 164922 and HD 143761 ($\\rho$ CrB). The new planet orbiting HD 164922 has a minimum mass of $12.9 \\pm 1.6$ M$_{\\oplus}$ and orbits interior to the previously known Jovian mass planet orbiting ","authors_text":"Andrew W. Howard, Benjamin J. Fulton, Daniel Huber, David R. Ciardi, Elliott P. Horch, Eric B. Ford, Erik A. Petigura, Evan Sinukoff, Geoffrey W. Marcy, Gregory W. Henry, Howard Isaacson, Jason T. Wright, Justin Wittrock, Kaspar von Braun, Lauren M. Weiss, Lea Hirsch, Samuel K. Grunblatt, Stephen R. Kane, Steve B. Howell, Tabetha S. Boyajian","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-06-30T20:00:05Z","title":"Three Temperate Neptunes Orbiting Nearby Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.00007","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":"sha256:1dc50733b212a0d52351b6b8d66572e4eacc45d28effdeeec56ea7a1c2f2db8a","target":"record","created_at":"2026-05-18T01:01:57Z","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":"e5ce435f994a5bac7cb57e58bb4247644d1e22af38f621da558cdf2f998b8459","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-06-30T20:00:05Z","title_canon_sha256":"e95d64576207ba44f3832a6dff5cb6c265ebdfd59b80203e3190f2b9e7daaa2e"},"schema_version":"1.0","source":{"id":"1607.00007","kind":"arxiv","version":1}},"canonical_sha256":"dd6ff4f284d3e545923a8f61e708719492019b25170ac002fb1af9922c34aa01","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd6ff4f284d3e545923a8f61e708719492019b25170ac002fb1af9922c34aa01","first_computed_at":"2026-05-18T01:01:57.399189Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:01:57.399189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1GMEoBv0vF8/f47L45BKDJ+E2FgTLfoWcmX3bx+jUpoksfQhymZwiaWhFjke5X4Ns6nb9x9YJdBYjZOlgjwgDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:01:57.399907Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.00007","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1dc50733b212a0d52351b6b8d66572e4eacc45d28effdeeec56ea7a1c2f2db8a","sha256:09d62defba55dfe40cf2ef7fc16bbb084fd3aba4f2e944d294e65a63cdfb3bd8"],"state_sha256":"2acd073369a19cbe2d9e0f9cb99063e00f67b209dde49f425f0a0b0428d02bc1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mHcWMdgiV+YUUBlRMFlSClwWD/g6B9Qc9qdJmEAt/0x+VUtgkNFy83tOIuV8bCrRzoefEz0ZJBJg0c5EpHstAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T14:16:06.014421Z","bundle_sha256":"a3614ab244cb82e89ff5a8d372518c2291770ff6258b078a4a87aa49b9b06bc8"}}