{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:GNV2UYNHREWTUO7F572TJYSLKJ","short_pith_number":"pith:GNV2UYNH","canonical_record":{"source":{"id":"2606.23801","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-22T18:00:04Z","cross_cats_sorted":["astro-ph.IM","astro-ph.SR"],"title_canon_sha256":"a4ef8b30836a00312ecbbef85c4dfb7ffecbd8d78aedf4a14adb344a11920cef","abstract_canon_sha256":"b051ff3011c48aa8c2e9621699e411672e95f09ea97261ae4603034e36002ad0"},"schema_version":"1.0"},"canonical_sha256":"336baa61a7892d3a3be5eff534e24b525cf364b41744e43a9985857fa5392dc7","source":{"kind":"arxiv","id":"2606.23801","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.23801","created_at":"2026-06-24T00:14:27Z"},{"alias_kind":"arxiv_version","alias_value":"2606.23801v1","created_at":"2026-06-24T00:14:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.23801","created_at":"2026-06-24T00:14:27Z"},{"alias_kind":"pith_short_12","alias_value":"GNV2UYNHREWT","created_at":"2026-06-24T00:14:27Z"},{"alias_kind":"pith_short_16","alias_value":"GNV2UYNHREWTUO7F","created_at":"2026-06-24T00:14:27Z"},{"alias_kind":"pith_short_8","alias_value":"GNV2UYNH","created_at":"2026-06-24T00:14:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:GNV2UYNHREWTUO7F572TJYSLKJ","target":"record","payload":{"canonical_record":{"source":{"id":"2606.23801","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-22T18:00:04Z","cross_cats_sorted":["astro-ph.IM","astro-ph.SR"],"title_canon_sha256":"a4ef8b30836a00312ecbbef85c4dfb7ffecbd8d78aedf4a14adb344a11920cef","abstract_canon_sha256":"b051ff3011c48aa8c2e9621699e411672e95f09ea97261ae4603034e36002ad0"},"schema_version":"1.0"},"canonical_sha256":"336baa61a7892d3a3be5eff534e24b525cf364b41744e43a9985857fa5392dc7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-24T00:14:27.314541Z","signature_b64":"3mg1rqgS3OidGFr8jvPiIiuqCj9yes/IFr/BxtaPznDHqK5qTqJ4ihELOKX89Ov+D7F23GClP/LKn1z04OkiAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"336baa61a7892d3a3be5eff534e24b525cf364b41744e43a9985857fa5392dc7","last_reissued_at":"2026-06-24T00:14:27.314117Z","signature_status":"signed_v1","first_computed_at":"2026-06-24T00:14:27.314117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.23801","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":"2026-06-24T00:14:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F8XH76vHJszB8B+KmoRLHtG/jdT70uPDBb3H6XK0e3lrmwLwijv8v4DBxQU/UttQ9VxS+EQC9OIfOimodshICQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T16:58:15.201273Z"},"content_sha256":"5420ef803d8e5b3d7bd50671e1e3aea7e17a9d4b7288010d6ed5671c66e02d34","schema_version":"1.0","event_id":"sha256:5420ef803d8e5b3d7bd50671e1e3aea7e17a9d4b7288010d6ed5671c66e02d34"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:GNV2UYNHREWTUO7F572TJYSLKJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Direct Imaging Discovery of Giant Exoplanet $\\beta$ Pictoris d: A Decade-Long Game of Hide-and-Seek","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM","astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Aarynn L. Carter, Alex Agudo Berbel, Alfio Puglisi, Amico Di Cianno, Andrea Baruffolo, Anne-Marie Lagrange, Anthony Boccaletti, Armando Riccardi, Ben J. Sutlieff, Beno\\^it Serra, Bernardo Salasnich, Bernhard Sch\\\"olkopf, Beth A. Biller, Brendan P. Bowler, Caroline V. Morley, Christian Rau, Christopher Waring, Christoph Keller, Cl\\'emence Fontanive, D\\'aniel Apai, David Doelman, David Lunney, David Pearson, Debora Ferruzzi, Dieter Lutz, Eckhard Sturm, Eileen C. Gonzales, Elisabeth C. Matthews, Emily O. Garvin, Felix A. Dannert, Filippo Mannucci, Frank Eisenhauer, Frans Snik, Genaro Su\\'arez, Gianluca Di Rico, Gilles Orban De Xivry, Giovanni Cresci, Guido Agapito, Heinrich Huber, Helmut Feuchtgruber, Iain Hammond, Ivan Di Antonio, James Mang, Jarron Leisenring, Jason Wang, Jayne L. Birkby, Jean Hayoz, Jens Kammerer, Johanna M. Vos, John Lightfoot, Julien H. Girard, Kateryna Kravchenko, Kevin Wagner, Kyle Franson, Lee Chapman, Leyla Iskandarli, Linda Tacconi, Luca Carbonaro, Luke T. Parker, Marco Bonaglia, Marco Xompero, Mariangela Bonavita, Mark J. Neeser, Markus J. Bonse, Markus Kasper, Martin Black, Matthew A. Kenworthy, Matthias Deysenroth, Mauro Dolci, Michael Hartl, Michael Poon, Mike MacIntosh, Natascha F\\\"orster-Schreiber, Olivier Absil, Pengyu Liu, Reinhard Genzel, Richard Davies, Robert J. De Rosa, Runa Briguglio, Sascha P. Quanz, Sasha Hinkley, Sebastian Rabien, Simone Esposito, Stanimir Metchev, Stefan Gillessen, Taro Shimizu, Thomas Ott, Tim D. Pearce, Trent J. Dupuy, Valentin Christiaens, William O. Balmer, William Taylor, Xianyu Tan, Xueqing Chen, Yifan Zhou, Yigit Dallilar, Yixian Cao","submitted_at":"2026-06-22T18:00:04Z","abstract_excerpt":"We report the direct imaging discovery of a third exoplanet in the $\\beta$ Pictoris system. We detect $\\beta$ Pictoris d in non-coronagraphic observations obtained with VLT/ERIS as well as multi-epoch archival datasets from JWST/NIRCam and VLT/SPHERE. Astrometric measurements over an 11-year baseline demonstrate that it is consistent with a gravitationally-bound source with orbital motion. Joint multi-planet orbit fits of all three planets in the system yield a semi-major axis of $26.0^{+2.2}_{-6.1}$ au and inclination $89.0^{+0.7}_{-0.6}$ deg for planet d. $\\beta$ Pictoris d has a larger orbi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.23801","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.23801/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-06-24T00:14:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AnO1AXjLQIyp1uTgafDG2nl4F5wB2i7sPnIA0cXB3WAGlT6pO2gr/Qs2Tf2i3ppKshskHniCMF9pG3jmkI0bAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T16:58:15.201688Z"},"content_sha256":"757b98e02a5e583e839d7e204f9357d1dd258ebbf76aef7e0353e823ef46905b","schema_version":"1.0","event_id":"sha256:757b98e02a5e583e839d7e204f9357d1dd258ebbf76aef7e0353e823ef46905b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GNV2UYNHREWTUO7F572TJYSLKJ/bundle.json","state_url":"https://pith.science/pith/GNV2UYNHREWTUO7F572TJYSLKJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GNV2UYNHREWTUO7F572TJYSLKJ/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":"2026-06-26T16:58:15Z","links":{"resolver":"https://pith.science/pith/GNV2UYNHREWTUO7F572TJYSLKJ","bundle":"https://pith.science/pith/GNV2UYNHREWTUO7F572TJYSLKJ/bundle.json","state":"https://pith.science/pith/GNV2UYNHREWTUO7F572TJYSLKJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GNV2UYNHREWTUO7F572TJYSLKJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:GNV2UYNHREWTUO7F572TJYSLKJ","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":"b051ff3011c48aa8c2e9621699e411672e95f09ea97261ae4603034e36002ad0","cross_cats_sorted":["astro-ph.IM","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-22T18:00:04Z","title_canon_sha256":"a4ef8b30836a00312ecbbef85c4dfb7ffecbd8d78aedf4a14adb344a11920cef"},"schema_version":"1.0","source":{"id":"2606.23801","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.23801","created_at":"2026-06-24T00:14:27Z"},{"alias_kind":"arxiv_version","alias_value":"2606.23801v1","created_at":"2026-06-24T00:14:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.23801","created_at":"2026-06-24T00:14:27Z"},{"alias_kind":"pith_short_12","alias_value":"GNV2UYNHREWT","created_at":"2026-06-24T00:14:27Z"},{"alias_kind":"pith_short_16","alias_value":"GNV2UYNHREWTUO7F","created_at":"2026-06-24T00:14:27Z"},{"alias_kind":"pith_short_8","alias_value":"GNV2UYNH","created_at":"2026-06-24T00:14:27Z"}],"graph_snapshots":[{"event_id":"sha256:757b98e02a5e583e839d7e204f9357d1dd258ebbf76aef7e0353e823ef46905b","target":"graph","created_at":"2026-06-24T00:14:27Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2606.23801/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report the direct imaging discovery of a third exoplanet in the $\\beta$ Pictoris system. We detect $\\beta$ Pictoris d in non-coronagraphic observations obtained with VLT/ERIS as well as multi-epoch archival datasets from JWST/NIRCam and VLT/SPHERE. Astrometric measurements over an 11-year baseline demonstrate that it is consistent with a gravitationally-bound source with orbital motion. Joint multi-planet orbit fits of all three planets in the system yield a semi-major axis of $26.0^{+2.2}_{-6.1}$ au and inclination $89.0^{+0.7}_{-0.6}$ deg for planet d. $\\beta$ Pictoris d has a larger orbi","authors_text":"Aarynn L. Carter, Alex Agudo Berbel, Alfio Puglisi, Amico Di Cianno, Andrea Baruffolo, Anne-Marie Lagrange, Anthony Boccaletti, Armando Riccardi, Ben J. Sutlieff, Beno\\^it Serra, Bernardo Salasnich, Bernhard Sch\\\"olkopf, Beth A. Biller, Brendan P. Bowler, Caroline V. Morley, Christian Rau, Christopher Waring, Christoph Keller, Cl\\'emence Fontanive, D\\'aniel Apai, David Doelman, David Lunney, David Pearson, Debora Ferruzzi, Dieter Lutz, Eckhard Sturm, Eileen C. Gonzales, Elisabeth C. Matthews, Emily O. Garvin, Felix A. Dannert, Filippo Mannucci, Frank Eisenhauer, Frans Snik, Genaro Su\\'arez, Gianluca Di Rico, Gilles Orban De Xivry, Giovanni Cresci, Guido Agapito, Heinrich Huber, Helmut Feuchtgruber, Iain Hammond, Ivan Di Antonio, James Mang, Jarron Leisenring, Jason Wang, Jayne L. Birkby, Jean Hayoz, Jens Kammerer, Johanna M. Vos, John Lightfoot, Julien H. Girard, Kateryna Kravchenko, Kevin Wagner, Kyle Franson, Lee Chapman, Leyla Iskandarli, Linda Tacconi, Luca Carbonaro, Luke T. Parker, Marco Bonaglia, Marco Xompero, Mariangela Bonavita, Mark J. Neeser, Markus J. Bonse, Markus Kasper, Martin Black, Matthew A. Kenworthy, Matthias Deysenroth, Mauro Dolci, Michael Hartl, Michael Poon, Mike MacIntosh, Natascha F\\\"orster-Schreiber, Olivier Absil, Pengyu Liu, Reinhard Genzel, Richard Davies, Robert J. De Rosa, Runa Briguglio, Sascha P. Quanz, Sasha Hinkley, Sebastian Rabien, Simone Esposito, Stanimir Metchev, Stefan Gillessen, Taro Shimizu, Thomas Ott, Tim D. Pearce, Trent J. Dupuy, Valentin Christiaens, William O. Balmer, William Taylor, Xianyu Tan, Xueqing Chen, Yifan Zhou, Yigit Dallilar, Yixian Cao","cross_cats":["astro-ph.IM","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-22T18:00:04Z","title":"Direct Imaging Discovery of Giant Exoplanet $\\beta$ Pictoris d: A Decade-Long Game of Hide-and-Seek"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.23801","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":"sha256:5420ef803d8e5b3d7bd50671e1e3aea7e17a9d4b7288010d6ed5671c66e02d34","target":"record","created_at":"2026-06-24T00:14:27Z","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":"b051ff3011c48aa8c2e9621699e411672e95f09ea97261ae4603034e36002ad0","cross_cats_sorted":["astro-ph.IM","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-06-22T18:00:04Z","title_canon_sha256":"a4ef8b30836a00312ecbbef85c4dfb7ffecbd8d78aedf4a14adb344a11920cef"},"schema_version":"1.0","source":{"id":"2606.23801","kind":"arxiv","version":1}},"canonical_sha256":"336baa61a7892d3a3be5eff534e24b525cf364b41744e43a9985857fa5392dc7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"336baa61a7892d3a3be5eff534e24b525cf364b41744e43a9985857fa5392dc7","first_computed_at":"2026-06-24T00:14:27.314117Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-24T00:14:27.314117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3mg1rqgS3OidGFr8jvPiIiuqCj9yes/IFr/BxtaPznDHqK5qTqJ4ihELOKX89Ov+D7F23GClP/LKn1z04OkiAg==","signature_status":"signed_v1","signed_at":"2026-06-24T00:14:27.314541Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.23801","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5420ef803d8e5b3d7bd50671e1e3aea7e17a9d4b7288010d6ed5671c66e02d34","sha256:757b98e02a5e583e839d7e204f9357d1dd258ebbf76aef7e0353e823ef46905b"],"state_sha256":"8f927dc8bbfe707797e6726cfda0255a8e66c2b11e488131af4d0973728dbeda"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M7m1j1Wf8DBM8tgZDpqaVhQetHtQ7Van7ldNPKs6DNL6fOtwoQ/4hJJX2u4nTVn1XzvGaw/xGja80CQJ+QUVAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T16:58:15.203775Z","bundle_sha256":"07137709278054602282e7595e68f605b9fa6f981dd904c9b5fc995ab8e368b7"}}