{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:43PPZG6L7FCGIYDG4TGD7T5P5B","short_pith_number":"pith:43PPZG6L","canonical_record":{"source":{"id":"1608.01165","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-08-03T12:42:14Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"0eafc7a62d77191592c9ac29ddc3d6aee21377c7d0e94410c91f7deccbd31997","abstract_canon_sha256":"ffdecc7e39610f2b974d975956860edd59ba7ce8ce59602d309b79b288847e9a"},"schema_version":"1.0"},"canonical_sha256":"e6defc9bcbf944646066e4cc3fcfafe86356d431c8602ec2316dabad15c5c29c","source":{"kind":"arxiv","id":"1608.01165","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.01165","created_at":"2026-05-18T00:55:45Z"},{"alias_kind":"arxiv_version","alias_value":"1608.01165v2","created_at":"2026-05-18T00:55:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.01165","created_at":"2026-05-18T00:55:45Z"},{"alias_kind":"pith_short_12","alias_value":"43PPZG6L7FCG","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"43PPZG6L7FCGIYDG","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"43PPZG6L","created_at":"2026-05-18T12:29:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:43PPZG6L7FCGIYDG4TGD7T5P5B","target":"record","payload":{"canonical_record":{"source":{"id":"1608.01165","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-08-03T12:42:14Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"0eafc7a62d77191592c9ac29ddc3d6aee21377c7d0e94410c91f7deccbd31997","abstract_canon_sha256":"ffdecc7e39610f2b974d975956860edd59ba7ce8ce59602d309b79b288847e9a"},"schema_version":"1.0"},"canonical_sha256":"e6defc9bcbf944646066e4cc3fcfafe86356d431c8602ec2316dabad15c5c29c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:55:45.663068Z","signature_b64":"2Qw6Yx4v9+OfGS0XU81znzs8rviA3N7eB3NZD9n555UhakRtxZzlywRt8AWjk/nJCIatbPx6FSkpq3n/kSxUCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e6defc9bcbf944646066e4cc3fcfafe86356d431c8602ec2316dabad15c5c29c","last_reissued_at":"2026-05-18T00:55:45.662615Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:55:45.662615Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.01165","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":"2026-05-18T00:55:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QhcAKm3uUCFYz9mKIMoSOv7bMVLe7uvA2hW7mhNQe0O5X1xcqwxwfn3nSXcV/M6+RvDfoMgmZ/KQdq5gWOMPAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:53:58.227129Z"},"content_sha256":"1b6fcf2a3059828a22a71fc8f91d2d745af76ad780e4ba99573faf76cbc87587","schema_version":"1.0","event_id":"sha256:1b6fcf2a3059828a22a71fc8f91d2d745af76ad780e4ba99573faf76cbc87587"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:43PPZG6L7FCGIYDG4TGD7T5P5B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"K2-98 b: A 32-M$_\\oplus$ Neptune-sized planet in a 10-day orbit transiting an F8 star","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Alexis Smith, Anders Erikson, Antonino F. Lanza, Artie P. Hatzes, Davide Gandolfi, David Nespral, Eike W. Guenther, Felice Cusano, Hans J. Deeg, Heike Rauer, Jorge Prieto-Arranz, Juan Cabrera, Judith Korth, Malcolm Fridlund, Manuel P. Cagigal, Martin P\\\"atzold, Megan Bedell, Michael Endl, Oscar Barrag\\'an, Philipp Eigm\\\"uller, Pier G. Prada Moroni, Sascha Grziwa, Szilard Csizmadia, William D. Cochran","submitted_at":"2016-08-03T12:42:14Z","abstract_excerpt":"We report the discovery of K2-98 b (EPIC 211391664 b), a transiting Neptune-sized planet monitored by the K2 mission during its campaign 5. We combine the K2 time-series data with ground-based photometric and spectroscopic follow-up observations to confirm the planetary nature of the object and derive its mass, radius, and orbital parameters. K2-98 b is a warm Neptune-like planet in a 10-day orbit around a V=12.2~mag F-type star with $M_\\star$=$ 1.074\\pm0.042$, $R_\\star$=$ 1.311 ^{+ 0.083} _{ - 0.048} $, and age of $5.2_{-1.0}^{+1.2}$~Gyr. We derive a planetary mass and radius of $M_\\mathrm{p}"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.01165","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":"2026-05-18T00:55:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sH3AH1kYLnMrKtBKpt8ncdbHnghCwguHWn9UTfqKKp5Yf6WurMNgNhWrI+esiuG8w3Gb92WdYqozL01c5JlMBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:53:58.227535Z"},"content_sha256":"8b1c6ad2b6c59990c0108bf4e553b9012e5ae24feecbb150b7517d5dedc60189","schema_version":"1.0","event_id":"sha256:8b1c6ad2b6c59990c0108bf4e553b9012e5ae24feecbb150b7517d5dedc60189"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/43PPZG6L7FCGIYDG4TGD7T5P5B/bundle.json","state_url":"https://pith.science/pith/43PPZG6L7FCGIYDG4TGD7T5P5B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/43PPZG6L7FCGIYDG4TGD7T5P5B/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":"2026-05-25T21:53:58Z","links":{"resolver":"https://pith.science/pith/43PPZG6L7FCGIYDG4TGD7T5P5B","bundle":"https://pith.science/pith/43PPZG6L7FCGIYDG4TGD7T5P5B/bundle.json","state":"https://pith.science/pith/43PPZG6L7FCGIYDG4TGD7T5P5B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/43PPZG6L7FCGIYDG4TGD7T5P5B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:43PPZG6L7FCGIYDG4TGD7T5P5B","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":"ffdecc7e39610f2b974d975956860edd59ba7ce8ce59602d309b79b288847e9a","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-08-03T12:42:14Z","title_canon_sha256":"0eafc7a62d77191592c9ac29ddc3d6aee21377c7d0e94410c91f7deccbd31997"},"schema_version":"1.0","source":{"id":"1608.01165","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.01165","created_at":"2026-05-18T00:55:45Z"},{"alias_kind":"arxiv_version","alias_value":"1608.01165v2","created_at":"2026-05-18T00:55:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.01165","created_at":"2026-05-18T00:55:45Z"},{"alias_kind":"pith_short_12","alias_value":"43PPZG6L7FCG","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"43PPZG6L7FCGIYDG","created_at":"2026-05-18T12:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"43PPZG6L","created_at":"2026-05-18T12:29:58Z"}],"graph_snapshots":[{"event_id":"sha256:8b1c6ad2b6c59990c0108bf4e553b9012e5ae24feecbb150b7517d5dedc60189","target":"graph","created_at":"2026-05-18T00:55:45Z","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 the discovery of K2-98 b (EPIC 211391664 b), a transiting Neptune-sized planet monitored by the K2 mission during its campaign 5. We combine the K2 time-series data with ground-based photometric and spectroscopic follow-up observations to confirm the planetary nature of the object and derive its mass, radius, and orbital parameters. K2-98 b is a warm Neptune-like planet in a 10-day orbit around a V=12.2~mag F-type star with $M_\\star$=$ 1.074\\pm0.042$, $R_\\star$=$ 1.311 ^{+ 0.083} _{ - 0.048} $, and age of $5.2_{-1.0}^{+1.2}$~Gyr. We derive a planetary mass and radius of $M_\\mathrm{p}","authors_text":"Alexis Smith, Anders Erikson, Antonino F. Lanza, Artie P. Hatzes, Davide Gandolfi, David Nespral, Eike W. Guenther, Felice Cusano, Hans J. Deeg, Heike Rauer, Jorge Prieto-Arranz, Juan Cabrera, Judith Korth, Malcolm Fridlund, Manuel P. Cagigal, Martin P\\\"atzold, Megan Bedell, Michael Endl, Oscar Barrag\\'an, Philipp Eigm\\\"uller, Pier G. Prada Moroni, Sascha Grziwa, Szilard Csizmadia, William D. Cochran","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-08-03T12:42:14Z","title":"K2-98 b: A 32-M$_\\oplus$ Neptune-sized planet in a 10-day orbit transiting an F8 star"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.01165","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":"sha256:1b6fcf2a3059828a22a71fc8f91d2d745af76ad780e4ba99573faf76cbc87587","target":"record","created_at":"2026-05-18T00:55:45Z","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":"ffdecc7e39610f2b974d975956860edd59ba7ce8ce59602d309b79b288847e9a","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-08-03T12:42:14Z","title_canon_sha256":"0eafc7a62d77191592c9ac29ddc3d6aee21377c7d0e94410c91f7deccbd31997"},"schema_version":"1.0","source":{"id":"1608.01165","kind":"arxiv","version":2}},"canonical_sha256":"e6defc9bcbf944646066e4cc3fcfafe86356d431c8602ec2316dabad15c5c29c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e6defc9bcbf944646066e4cc3fcfafe86356d431c8602ec2316dabad15c5c29c","first_computed_at":"2026-05-18T00:55:45.662615Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:55:45.662615Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2Qw6Yx4v9+OfGS0XU81znzs8rviA3N7eB3NZD9n555UhakRtxZzlywRt8AWjk/nJCIatbPx6FSkpq3n/kSxUCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:55:45.663068Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.01165","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b6fcf2a3059828a22a71fc8f91d2d745af76ad780e4ba99573faf76cbc87587","sha256:8b1c6ad2b6c59990c0108bf4e553b9012e5ae24feecbb150b7517d5dedc60189"],"state_sha256":"7e65594ca4cf2c3b346c4132aafc26d9f0ee4d1887b05f0d5725c25b668c4388"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P9bU4avpMkxeC7LsfOLMwU9jPQDNt9uVBBp1LaVVvLdvEiR0QmROtDxZOxnQKO+hzo060hWVTd0Dh+GXK/BXDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:53:58.229883Z","bundle_sha256":"b084263875df2b7dafe2c48f26bc1fb71311c94143d56fbb5cebd754e75b0adc"}}