{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:ABYQISQJWXVXLXRN5ET2YZZ3DC","short_pith_number":"pith:ABYQISQJ","canonical_record":{"source":{"id":"1609.00726","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-09-02T20:00:01Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"fd3cf1881404aa2350f843262f09029312725ccff7e241e2f6e467018fc51a52","abstract_canon_sha256":"d9e9b36fea8f30269c7798aaba1e6c6c9085c267e4f5ac9ff6ad7b5ac52cd13a"},"schema_version":"1.0"},"canonical_sha256":"0071044a09b5eb75de2de927ac673b189e76970e7b8f2a72c2408bd89ab47ab8","source":{"kind":"arxiv","id":"1609.00726","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.00726","created_at":"2026-05-18T00:52:38Z"},{"alias_kind":"arxiv_version","alias_value":"1609.00726v3","created_at":"2026-05-18T00:52:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.00726","created_at":"2026-05-18T00:52:38Z"},{"alias_kind":"pith_short_12","alias_value":"ABYQISQJWXVX","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"ABYQISQJWXVXLXRN","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"ABYQISQJ","created_at":"2026-05-18T12:30:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:ABYQISQJWXVXLXRN5ET2YZZ3DC","target":"record","payload":{"canonical_record":{"source":{"id":"1609.00726","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-09-02T20:00:01Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"fd3cf1881404aa2350f843262f09029312725ccff7e241e2f6e467018fc51a52","abstract_canon_sha256":"d9e9b36fea8f30269c7798aaba1e6c6c9085c267e4f5ac9ff6ad7b5ac52cd13a"},"schema_version":"1.0"},"canonical_sha256":"0071044a09b5eb75de2de927ac673b189e76970e7b8f2a72c2408bd89ab47ab8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:38.819033Z","signature_b64":"JYJFvY6VRjZZbSXU2MKlAaYqYd+c20w/1kreOfrotxydVR+IiHjUuUqs25eq2hNp4hq/kslqHPszKge8L7zyDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0071044a09b5eb75de2de927ac673b189e76970e7b8f2a72c2408bd89ab47ab8","last_reissued_at":"2026-05-18T00:52:38.818573Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:38.818573Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.00726","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:52:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bZ8dbNIcmMWWWaTntvJlf1mXpTMf+98C/jOftPZ8WNoRtG8LtdhJ0EVgtmBbf49m+sn1oZtMI4NX94CP2K9jAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:33:35.419307Z"},"content_sha256":"91d2e19bbbe3e5a601f900536dcce98f7a74c0354dd168ae90426c38a797157c","schema_version":"1.0","event_id":"sha256:91d2e19bbbe3e5a601f900536dcce98f7a74c0354dd168ae90426c38a797157c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:ABYQISQJWXVXLXRN5ET2YZZ3DC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Zodiacal Exoplanets in Time (ZEIT) IV: seven transiting planets in the Praesepe cluster","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Aaron C. Rizzuto, Adam L. Kraus, Andrew Vanderburg, Andrew W. Mann, Eric Gaidos, Gregory N. Mace, Jennifer Vanessa Medina, Kimberly R. Sokal, Megan Ansdell","submitted_at":"2016-09-02T20:00:01Z","abstract_excerpt":"Open clusters and young stellar associations are attractive sites to search for planets and to test theories of planet formation, migration, and evolution. We present our search for, and characterization of, transiting planets in the ~800 Myr old Praesepe (Beehive, M44) Cluster from K2 light curves. We identify seven planet candidates, six of which we statistically validate to be real planets, the last of which requires more data. For each host star we obtain high-resolution NIR spectra to measure its projected rotational broadening and radial velocity, the latter of which we use to confirm cl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.00726","kind":"arxiv","version":3},"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":"2026-05-18T00:52:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZBYlo/zEooNsfy3TqYtAFfV2wmRYqIQD6At5I9X4liOgwTW8WIxOtFdRraZNluDTlHEwOoQ8FvSfDHSJKUvdBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:33:35.419931Z"},"content_sha256":"2637a5c22bd006d2acfda47796313e749ac35fad9ad272e0f344b23e4b50ca54","schema_version":"1.0","event_id":"sha256:2637a5c22bd006d2acfda47796313e749ac35fad9ad272e0f344b23e4b50ca54"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ABYQISQJWXVXLXRN5ET2YZZ3DC/bundle.json","state_url":"https://pith.science/pith/ABYQISQJWXVXLXRN5ET2YZZ3DC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ABYQISQJWXVXLXRN5ET2YZZ3DC/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":"2026-05-27T10:33:35Z","links":{"resolver":"https://pith.science/pith/ABYQISQJWXVXLXRN5ET2YZZ3DC","bundle":"https://pith.science/pith/ABYQISQJWXVXLXRN5ET2YZZ3DC/bundle.json","state":"https://pith.science/pith/ABYQISQJWXVXLXRN5ET2YZZ3DC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ABYQISQJWXVXLXRN5ET2YZZ3DC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:ABYQISQJWXVXLXRN5ET2YZZ3DC","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":"d9e9b36fea8f30269c7798aaba1e6c6c9085c267e4f5ac9ff6ad7b5ac52cd13a","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-09-02T20:00:01Z","title_canon_sha256":"fd3cf1881404aa2350f843262f09029312725ccff7e241e2f6e467018fc51a52"},"schema_version":"1.0","source":{"id":"1609.00726","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.00726","created_at":"2026-05-18T00:52:38Z"},{"alias_kind":"arxiv_version","alias_value":"1609.00726v3","created_at":"2026-05-18T00:52:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.00726","created_at":"2026-05-18T00:52:38Z"},{"alias_kind":"pith_short_12","alias_value":"ABYQISQJWXVX","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"ABYQISQJWXVXLXRN","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"ABYQISQJ","created_at":"2026-05-18T12:30:07Z"}],"graph_snapshots":[{"event_id":"sha256:2637a5c22bd006d2acfda47796313e749ac35fad9ad272e0f344b23e4b50ca54","target":"graph","created_at":"2026-05-18T00:52:38Z","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":"Open clusters and young stellar associations are attractive sites to search for planets and to test theories of planet formation, migration, and evolution. We present our search for, and characterization of, transiting planets in the ~800 Myr old Praesepe (Beehive, M44) Cluster from K2 light curves. We identify seven planet candidates, six of which we statistically validate to be real planets, the last of which requires more data. For each host star we obtain high-resolution NIR spectra to measure its projected rotational broadening and radial velocity, the latter of which we use to confirm cl","authors_text":"Aaron C. Rizzuto, Adam L. Kraus, Andrew Vanderburg, Andrew W. Mann, Eric Gaidos, Gregory N. Mace, Jennifer Vanessa Medina, Kimberly R. Sokal, Megan Ansdell","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-09-02T20:00:01Z","title":"Zodiacal Exoplanets in Time (ZEIT) IV: seven transiting planets in the Praesepe cluster"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.00726","kind":"arxiv","version":3},"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":"sha256:91d2e19bbbe3e5a601f900536dcce98f7a74c0354dd168ae90426c38a797157c","target":"record","created_at":"2026-05-18T00:52:38Z","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":"d9e9b36fea8f30269c7798aaba1e6c6c9085c267e4f5ac9ff6ad7b5ac52cd13a","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-09-02T20:00:01Z","title_canon_sha256":"fd3cf1881404aa2350f843262f09029312725ccff7e241e2f6e467018fc51a52"},"schema_version":"1.0","source":{"id":"1609.00726","kind":"arxiv","version":3}},"canonical_sha256":"0071044a09b5eb75de2de927ac673b189e76970e7b8f2a72c2408bd89ab47ab8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0071044a09b5eb75de2de927ac673b189e76970e7b8f2a72c2408bd89ab47ab8","first_computed_at":"2026-05-18T00:52:38.818573Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:52:38.818573Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JYJFvY6VRjZZbSXU2MKlAaYqYd+c20w/1kreOfrotxydVR+IiHjUuUqs25eq2hNp4hq/kslqHPszKge8L7zyDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:52:38.819033Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.00726","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91d2e19bbbe3e5a601f900536dcce98f7a74c0354dd168ae90426c38a797157c","sha256:2637a5c22bd006d2acfda47796313e749ac35fad9ad272e0f344b23e4b50ca54"],"state_sha256":"ff680c1a59e9d19f8989c9a88b8171cf65c19d94ba3fe7c14eb682a8ac24a6c6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D0AOlnFniOvvMtj9u6xfdKEGWA1hCKTxvapZIjlYSl3JwLFJCSNYDqmTbhrEOhWRJ7TtG6YpU1vlLWFVuBMJAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T10:33:35.423624Z","bundle_sha256":"6c9daeebd01da79b7c8475c0cb5ec544821559f7af0783a8143ad26998aadfce"}}