{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:UPJXUZD5KVVG5YRZZV2WYDRQ7W","short_pith_number":"pith:UPJXUZD5","canonical_record":{"source":{"id":"2605.18723","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-18T17:50:41Z","cross_cats_sorted":[],"title_canon_sha256":"6c335bae597ba348bd191014fa1a3afd4ab8a16d271396cd425e2cf4fbc4a331","abstract_canon_sha256":"aa77e4fcfcff6b2888fd24e7f73fcd040f6cec86269821d7568c4f5598376962"},"schema_version":"1.0"},"canonical_sha256":"a3d37a647d556a6ee239cd756c0e30fd817d422d4328da04ae0bdc45f75a5fec","source":{"kind":"arxiv","id":"2605.18723","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.18723","created_at":"2026-05-20T00:06:17Z"},{"alias_kind":"arxiv_version","alias_value":"2605.18723v1","created_at":"2026-05-20T00:06:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.18723","created_at":"2026-05-20T00:06:17Z"},{"alias_kind":"pith_short_12","alias_value":"UPJXUZD5KVVG","created_at":"2026-05-20T00:06:17Z"},{"alias_kind":"pith_short_16","alias_value":"UPJXUZD5KVVG5YRZ","created_at":"2026-05-20T00:06:17Z"},{"alias_kind":"pith_short_8","alias_value":"UPJXUZD5","created_at":"2026-05-20T00:06:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:UPJXUZD5KVVG5YRZZV2WYDRQ7W","target":"record","payload":{"canonical_record":{"source":{"id":"2605.18723","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-18T17:50:41Z","cross_cats_sorted":[],"title_canon_sha256":"6c335bae597ba348bd191014fa1a3afd4ab8a16d271396cd425e2cf4fbc4a331","abstract_canon_sha256":"aa77e4fcfcff6b2888fd24e7f73fcd040f6cec86269821d7568c4f5598376962"},"schema_version":"1.0"},"canonical_sha256":"a3d37a647d556a6ee239cd756c0e30fd817d422d4328da04ae0bdc45f75a5fec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T00:06:17.269843Z","signature_b64":"xxdUiwpzkmgB0YpFmW5HCPpJocvoz3YTxfeajD3Sqn67ii3nDFjuKpmVHozGGXZvW1esteQvQRVOf1VwMP3gAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a3d37a647d556a6ee239cd756c0e30fd817d422d4328da04ae0bdc45f75a5fec","last_reissued_at":"2026-05-20T00:06:17.269051Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T00:06:17.269051Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.18723","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":"2026-05-20T00:06:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T3JZApM6HG4njtkgP6in0RJ56nEusq6VvdHX3fMscbnH8UOLBbQ+5E+aB7HfBSNTdmaXQRwENa9AoO7r5+8vAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:58:35.911867Z"},"content_sha256":"d835af0ba06de9bfc7c66fa59eb701f96255f1b9c8defb0bc37a52ee148d203f","schema_version":"1.0","event_id":"sha256:d835af0ba06de9bfc7c66fa59eb701f96255f1b9c8defb0bc37a52ee148d203f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:UPJXUZD5KVVG5YRZZV2WYDRQ7W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"WaveDriver: a Laser Guide Star AO System for HWO","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Aditya R. Sengupta, Alex Geringer-Sameth, Alexx Perloff, Benjamin L. Gerard, Cesar Laguna, Dominic F. Sanchez, Lisa Poyneer, Megan Eckart, Peter Waswa, Rebecca Jensen-Clem","submitted_at":"2026-05-18T17:50:41Z","abstract_excerpt":"Habitable Worlds Observatory (HWO) presents a key challenge for technology development in the coming years, requiring a $>$ $100\\times$ more stable system than \\textit{JWST}. WaveDriver is a concept for a laser guide star spacecraft coupled to an adaptive optics (AO) system onboard HWO that would enable HWO to reach its picometer-level wavefront stability requirements while relaxing other HWO subsystem requirements. At LLNL and UCSC we are revisiting the concept initially proposed by Douglas et al.\\ (2019). We present key results key initial results from the first phase of our project, includi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.18723","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/2605.18723/integrity.json","findings":[],"available":true,"detectors_run":[{"name":"claim_evidence","ran_at":"2026-05-20T00:01:59.035660Z","status":"completed","version":"1.0.0","findings_count":0}],"snapshot_sha256":"f61686f9701f6713b6debbc53b6eb3ad782b8ccf5e7e10b4d927be61db5ce895"},"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":"2026-05-20T00:06:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"68o5wp/q7VlZ26oWtFvqCf4qJvDxMUe+AP247pObLdxtBWUJpIRzr8bFGZnRp7dlUlAcsCOfpwNTqPsB7R/DAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:58:35.912271Z"},"content_sha256":"5c3d56b645987504078187a5c99e9f29b712d2af7e1bd533b0b3e5101619f96e","schema_version":"1.0","event_id":"sha256:5c3d56b645987504078187a5c99e9f29b712d2af7e1bd533b0b3e5101619f96e"},{"event_type":"integrity_finding","subject_pith_number":"pith:2026:UPJXUZD5KVVG5YRZZV2WYDRQ7W","target":"integrity","payload":{"note":"DOI '10.17226/26141' as printed in the bibliography is syntactically invalid and cannot resolve.","snippet":"National Academies of Sciences and Medicine, Engineering , title = \". doi:10.17226/26141 , adsurl =","arxiv_id":"2605.18723","detector":"doi_compliance","evidence":{"ref_index":1,"raw_excerpt":"National Academies of Sciences and Medicine, Engineering , title = \". doi:10.17226/26141 , adsurl =","verdict_class":"incontrovertible","doi_as_printed":"10.17226/26141"},"severity":"critical","ref_index":1,"audited_at":"2026-05-21T08:07:30.610334Z","event_type":"pith.integrity.v1","detected_doi":"10.17226/26141","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"broken_identifier","evidence_hash":"89a73e0dd2b5dd2582ff349d398fa5d8b12454d6fbd869715805aa54b72830c7","paper_version":1,"verdict_class":"incontrovertible","resolved_title":null,"detector_version":"1.0.0","detected_arxiv_id":null,"integrity_event_id":5873,"payload_sha256":"927c394d1fb154e5c79c362f4f17050a133084dabb20e8c38186d451164bbbdf","signature_b64":"yh5iksiKjfdVLOCAcB+/UpyyoqZXUvl1tR87q3jXY0XAKj56de7LFe0/fNomYwe8WojoMI5LikcFbt7egRowCw==","signing_key_id":"pith-v1-2026-05"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-21T08:09:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xhLhgbibHCp8seaZu5z5IuvhasxiWBNz/W0t7rxx1KIMocz+cGxgrH3R/zGDCM9x6NtRVJODOT5ramJO9MKcDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:58:35.913279Z"},"content_sha256":"aa97a74b4b5eaa15c6ca99087deb3fc984d8153e8923e3ecefeebc2fd1e8df78","schema_version":"1.0","event_id":"sha256:aa97a74b4b5eaa15c6ca99087deb3fc984d8153e8923e3ecefeebc2fd1e8df78"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UPJXUZD5KVVG5YRZZV2WYDRQ7W/bundle.json","state_url":"https://pith.science/pith/UPJXUZD5KVVG5YRZZV2WYDRQ7W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UPJXUZD5KVVG5YRZZV2WYDRQ7W/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":"2026-05-26T20:58:35Z","links":{"resolver":"https://pith.science/pith/UPJXUZD5KVVG5YRZZV2WYDRQ7W","bundle":"https://pith.science/pith/UPJXUZD5KVVG5YRZZV2WYDRQ7W/bundle.json","state":"https://pith.science/pith/UPJXUZD5KVVG5YRZZV2WYDRQ7W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UPJXUZD5KVVG5YRZZV2WYDRQ7W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:UPJXUZD5KVVG5YRZZV2WYDRQ7W","merge_version":"pith-open-graph-merge-v1","event_count":3,"valid_event_count":3,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"aa77e4fcfcff6b2888fd24e7f73fcd040f6cec86269821d7568c4f5598376962","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-18T17:50:41Z","title_canon_sha256":"6c335bae597ba348bd191014fa1a3afd4ab8a16d271396cd425e2cf4fbc4a331"},"schema_version":"1.0","source":{"id":"2605.18723","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.18723","created_at":"2026-05-20T00:06:17Z"},{"alias_kind":"arxiv_version","alias_value":"2605.18723v1","created_at":"2026-05-20T00:06:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.18723","created_at":"2026-05-20T00:06:17Z"},{"alias_kind":"pith_short_12","alias_value":"UPJXUZD5KVVG","created_at":"2026-05-20T00:06:17Z"},{"alias_kind":"pith_short_16","alias_value":"UPJXUZD5KVVG5YRZ","created_at":"2026-05-20T00:06:17Z"},{"alias_kind":"pith_short_8","alias_value":"UPJXUZD5","created_at":"2026-05-20T00:06:17Z"}],"graph_snapshots":[{"event_id":"sha256:5c3d56b645987504078187a5c99e9f29b712d2af7e1bd533b0b3e5101619f96e","target":"graph","created_at":"2026-05-20T00:06:17Z","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":[{"findings_count":0,"name":"claim_evidence","ran_at":"2026-05-20T00:01:59.035660Z","status":"completed","version":"1.0.0"}],"endpoint":"/pith/2605.18723/integrity.json","findings":[],"snapshot_sha256":"f61686f9701f6713b6debbc53b6eb3ad782b8ccf5e7e10b4d927be61db5ce895","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Habitable Worlds Observatory (HWO) presents a key challenge for technology development in the coming years, requiring a $>$ $100\\times$ more stable system than \\textit{JWST}. WaveDriver is a concept for a laser guide star spacecraft coupled to an adaptive optics (AO) system onboard HWO that would enable HWO to reach its picometer-level wavefront stability requirements while relaxing other HWO subsystem requirements. At LLNL and UCSC we are revisiting the concept initially proposed by Douglas et al.\\ (2019). We present key results key initial results from the first phase of our project, includi","authors_text":"Aditya R. Sengupta, Alex Geringer-Sameth, Alexx Perloff, Benjamin L. Gerard, Cesar Laguna, Dominic F. Sanchez, Lisa Poyneer, Megan Eckart, Peter Waswa, Rebecca Jensen-Clem","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-18T17:50:41Z","title":"WaveDriver: a Laser Guide Star AO System for HWO"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.18723","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:d835af0ba06de9bfc7c66fa59eb701f96255f1b9c8defb0bc37a52ee148d203f","target":"record","created_at":"2026-05-20T00:06:17Z","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":"aa77e4fcfcff6b2888fd24e7f73fcd040f6cec86269821d7568c4f5598376962","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-18T17:50:41Z","title_canon_sha256":"6c335bae597ba348bd191014fa1a3afd4ab8a16d271396cd425e2cf4fbc4a331"},"schema_version":"1.0","source":{"id":"2605.18723","kind":"arxiv","version":1}},"canonical_sha256":"a3d37a647d556a6ee239cd756c0e30fd817d422d4328da04ae0bdc45f75a5fec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a3d37a647d556a6ee239cd756c0e30fd817d422d4328da04ae0bdc45f75a5fec","first_computed_at":"2026-05-20T00:06:17.269051Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:06:17.269051Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xxdUiwpzkmgB0YpFmW5HCPpJocvoz3YTxfeajD3Sqn67ii3nDFjuKpmVHozGGXZvW1esteQvQRVOf1VwMP3gAA==","signature_status":"signed_v1","signed_at":"2026-05-20T00:06:17.269843Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.18723","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d835af0ba06de9bfc7c66fa59eb701f96255f1b9c8defb0bc37a52ee148d203f","sha256:5c3d56b645987504078187a5c99e9f29b712d2af7e1bd533b0b3e5101619f96e","sha256:aa97a74b4b5eaa15c6ca99087deb3fc984d8153e8923e3ecefeebc2fd1e8df78"],"state_sha256":"43689e58e981b6d512f2e9dec1407947a4bae530205aa6ff4f34172419cbe9cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ad/gUfPIZnsUa5c85ACjDLNXr47AiascAe7jwMTbkcPMF5c2K04lP2fd6AbgMqQbR+D5AJ2O8K4kRqt30vmRCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T20:58:35.915553Z","bundle_sha256":"725e1c70419e17b530ee2e908c88c140ded2f0cc66aa1f7ad9042f979c6c4b2a"}}