{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:IZNS2WM6RY6L6BUBMPF7Q4HODI","short_pith_number":"pith:IZNS2WM6","canonical_record":{"source":{"id":"1601.01524","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-01-07T12:58:56Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"bbbb8af6bd13c29d73612cbd6274a27c78f87269643f9ad054123105d83c082b","abstract_canon_sha256":"f983916ea1322dab028c9b8e2ae70e6061e7876ee79aec33f9f61d248a4eddd0"},"schema_version":"1.0"},"canonical_sha256":"465b2d599e8e3cbf068163cbf870ee1a285a7c807eb33e64aee4cb7831b6611b","source":{"kind":"arxiv","id":"1601.01524","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.01524","created_at":"2026-05-18T01:20:40Z"},{"alias_kind":"arxiv_version","alias_value":"1601.01524v1","created_at":"2026-05-18T01:20:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.01524","created_at":"2026-05-18T01:20:40Z"},{"alias_kind":"pith_short_12","alias_value":"IZNS2WM6RY6L","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IZNS2WM6RY6L6BUB","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IZNS2WM6","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:IZNS2WM6RY6L6BUBMPF7Q4HODI","target":"record","payload":{"canonical_record":{"source":{"id":"1601.01524","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-01-07T12:58:56Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"bbbb8af6bd13c29d73612cbd6274a27c78f87269643f9ad054123105d83c082b","abstract_canon_sha256":"f983916ea1322dab028c9b8e2ae70e6061e7876ee79aec33f9f61d248a4eddd0"},"schema_version":"1.0"},"canonical_sha256":"465b2d599e8e3cbf068163cbf870ee1a285a7c807eb33e64aee4cb7831b6611b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:40.526939Z","signature_b64":"dBvREjpSSegT+a4Vzheeq/+PTvqfQFzzhqomCflewkzC1OJghXq0LFqdyrNw/GMZ+i+w8+GBBGAFsoBJWDWcBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"465b2d599e8e3cbf068163cbf870ee1a285a7c807eb33e64aee4cb7831b6611b","last_reissued_at":"2026-05-18T01:20:40.526215Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:40.526215Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.01524","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":"2026-05-18T01:20:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CkPwn2YxCSL4eHK1U3DYSOCW0qiZstj+PhXVvdFuOmYOzTMpMFVvNaaCPpaZd0yWIFrRSYY8NzJOcCjAxAd6AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T07:02:11.562481Z"},"content_sha256":"50b3f938e5c21d23eb744502eface6cf8fc0fbd66fe39d11db8acb146a7fc0d7","schema_version":"1.0","event_id":"sha256:50b3f938e5c21d23eb744502eface6cf8fc0fbd66fe39d11db8acb146a7fc0d7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:IZNS2WM6RY6L6BUBMPF7Q4HODI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A lucky imaging multiplicity study of exoplanet host stars II","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"A.-L. Maire, C. Ginski, D. Mouillet, H. Avenhaus, M. Mugrauer, M. Seeliger, R. Errmann, S. Buder, S. Raetz","submitted_at":"2016-01-07T12:58:56Z","abstract_excerpt":"The vast majority of extrasolar planets are detected by indirect detection methods such as transit monitoring and radial velocity measurements. While these methods are very successful in detecting short-periodic planets, they are mostly blind to wide sub-stellar or even stellar companions on long orbits. In our study we present high resolution imaging observations of 63 exoplanet hosts carried out with the lucky imaging instrument AstraLux at the Calar Alto 2.2m telescope as well as with the new SPHERE high resolution adaptive optics imager at the ESO/VLT in the case of a known companion of sp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.01524","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":"2026-05-18T01:20:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3LiSGTseA5dka19miSg5ZyoikM4uBA9ZiosBm4TDVj2R+E1zT1U6tRWt14oj1HKotZP6GSjeysS29RhlUqafBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T07:02:11.562825Z"},"content_sha256":"3955fe8bca22028c3fb8b9780c0a8efb2b7b50c062839b5f27caaf7a681a44c8","schema_version":"1.0","event_id":"sha256:3955fe8bca22028c3fb8b9780c0a8efb2b7b50c062839b5f27caaf7a681a44c8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IZNS2WM6RY6L6BUBMPF7Q4HODI/bundle.json","state_url":"https://pith.science/pith/IZNS2WM6RY6L6BUBMPF7Q4HODI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IZNS2WM6RY6L6BUBMPF7Q4HODI/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":"2026-05-20T07:02:11Z","links":{"resolver":"https://pith.science/pith/IZNS2WM6RY6L6BUBMPF7Q4HODI","bundle":"https://pith.science/pith/IZNS2WM6RY6L6BUBMPF7Q4HODI/bundle.json","state":"https://pith.science/pith/IZNS2WM6RY6L6BUBMPF7Q4HODI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IZNS2WM6RY6L6BUBMPF7Q4HODI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:IZNS2WM6RY6L6BUBMPF7Q4HODI","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":"f983916ea1322dab028c9b8e2ae70e6061e7876ee79aec33f9f61d248a4eddd0","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-01-07T12:58:56Z","title_canon_sha256":"bbbb8af6bd13c29d73612cbd6274a27c78f87269643f9ad054123105d83c082b"},"schema_version":"1.0","source":{"id":"1601.01524","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.01524","created_at":"2026-05-18T01:20:40Z"},{"alias_kind":"arxiv_version","alias_value":"1601.01524v1","created_at":"2026-05-18T01:20:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.01524","created_at":"2026-05-18T01:20:40Z"},{"alias_kind":"pith_short_12","alias_value":"IZNS2WM6RY6L","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IZNS2WM6RY6L6BUB","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IZNS2WM6","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:3955fe8bca22028c3fb8b9780c0a8efb2b7b50c062839b5f27caaf7a681a44c8","target":"graph","created_at":"2026-05-18T01:20:40Z","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":"The vast majority of extrasolar planets are detected by indirect detection methods such as transit monitoring and radial velocity measurements. While these methods are very successful in detecting short-periodic planets, they are mostly blind to wide sub-stellar or even stellar companions on long orbits. In our study we present high resolution imaging observations of 63 exoplanet hosts carried out with the lucky imaging instrument AstraLux at the Calar Alto 2.2m telescope as well as with the new SPHERE high resolution adaptive optics imager at the ESO/VLT in the case of a known companion of sp","authors_text":"A.-L. Maire, C. Ginski, D. Mouillet, H. Avenhaus, M. Mugrauer, M. Seeliger, R. Errmann, S. Buder, S. Raetz","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-01-07T12:58:56Z","title":"A lucky imaging multiplicity study of exoplanet host stars II"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.01524","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":"sha256:50b3f938e5c21d23eb744502eface6cf8fc0fbd66fe39d11db8acb146a7fc0d7","target":"record","created_at":"2026-05-18T01:20:40Z","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":"f983916ea1322dab028c9b8e2ae70e6061e7876ee79aec33f9f61d248a4eddd0","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-01-07T12:58:56Z","title_canon_sha256":"bbbb8af6bd13c29d73612cbd6274a27c78f87269643f9ad054123105d83c082b"},"schema_version":"1.0","source":{"id":"1601.01524","kind":"arxiv","version":1}},"canonical_sha256":"465b2d599e8e3cbf068163cbf870ee1a285a7c807eb33e64aee4cb7831b6611b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"465b2d599e8e3cbf068163cbf870ee1a285a7c807eb33e64aee4cb7831b6611b","first_computed_at":"2026-05-18T01:20:40.526215Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:40.526215Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dBvREjpSSegT+a4Vzheeq/+PTvqfQFzzhqomCflewkzC1OJghXq0LFqdyrNw/GMZ+i+w8+GBBGAFsoBJWDWcBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:40.526939Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.01524","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:50b3f938e5c21d23eb744502eface6cf8fc0fbd66fe39d11db8acb146a7fc0d7","sha256:3955fe8bca22028c3fb8b9780c0a8efb2b7b50c062839b5f27caaf7a681a44c8"],"state_sha256":"6402d42e3812fff6479a8fb23d335c55f3c6391833ebc8703d9240f9e76ce7f3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m6c73UYPzg2S6EQ9i/4KbRDON2UKQxX77WUwBfowIPVgl+NYoAQSfKmx/VBEEvbAYy0OuM/urQjQdh5eqeaaBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T07:02:11.564879Z","bundle_sha256":"ee04d6407fca2afb04c583fe7da337fc6d7688be442ba553aeb84607c3b116d4"}}