{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:GIRZ4MP5JO5WNSEU5DXHD5CIVZ","short_pith_number":"pith:GIRZ4MP5","canonical_record":{"source":{"id":"1110.4913","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-21T21:46:15Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"ea2aa422af049c4025dcfc1dde79f83fcadf08936ba223dcb80b3787a8bdda0d","abstract_canon_sha256":"38602da57af47af242b6d3acdce6c41648c0ed6e39598e436eba762630cdf172"},"schema_version":"1.0"},"canonical_sha256":"32239e31fd4bbb66c894e8ee71f448ae44039f5b2013c1c002c82737e73d2a8d","source":{"kind":"arxiv","id":"1110.4913","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.4913","created_at":"2026-05-18T02:00:07Z"},{"alias_kind":"arxiv_version","alias_value":"1110.4913v2","created_at":"2026-05-18T02:00:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.4913","created_at":"2026-05-18T02:00:07Z"},{"alias_kind":"pith_short_12","alias_value":"GIRZ4MP5JO5W","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"GIRZ4MP5JO5WNSEU","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"GIRZ4MP5","created_at":"2026-05-18T12:26:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:GIRZ4MP5JO5WNSEU5DXHD5CIVZ","target":"record","payload":{"canonical_record":{"source":{"id":"1110.4913","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-21T21:46:15Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"ea2aa422af049c4025dcfc1dde79f83fcadf08936ba223dcb80b3787a8bdda0d","abstract_canon_sha256":"38602da57af47af242b6d3acdce6c41648c0ed6e39598e436eba762630cdf172"},"schema_version":"1.0"},"canonical_sha256":"32239e31fd4bbb66c894e8ee71f448ae44039f5b2013c1c002c82737e73d2a8d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:07.015902Z","signature_b64":"OsECvrRIfdF2DcDHeuzCmaOxYuJ2Bb/gYSymcP9z2bwtSvEjrp6RPhQ0I/UUVKrPZOdqcoH6N+CWHBSrmxERBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"32239e31fd4bbb66c894e8ee71f448ae44039f5b2013c1c002c82737e73d2a8d","last_reissued_at":"2026-05-18T02:00:07.015415Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:07.015415Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.4913","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":"2026-05-18T02:00:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gAMHneVFIfcLXjGE1SQTr4A7pX0BCQo9w6isuSoGaBTOnGl3TNzg79rGFwBJ2jsPwxqTj7Q3D/28lTDyqXbADg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T12:44:08.496373Z"},"content_sha256":"16875f42ffc80b84d938de48692b9ab9e22e32d74ba7d0fa101d9e77ac5e159a","schema_version":"1.0","event_id":"sha256:16875f42ffc80b84d938de48692b9ab9e22e32d74ba7d0fa101d9e77ac5e159a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:GIRZ4MP5JO5WNSEU5DXHD5CIVZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The impact of high spatial frequency atmospheric distortions on weak lensing measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.CO","authors_text":"Barnaby Rowe, Catherine Heymans, Henk Hoekstra, Lance Miller, Ludovic Van Waerbeke, Thomas Erben, Thomas Kitching","submitted_at":"2011-10-21T21:46:15Z","abstract_excerpt":"High precision cosmology with weak gravitational lensing requires a precise measure of the Point Spread Function across the imaging data where the accuracy to which high spatial frequency variation can be modelled is limited by the stellar number density across the field. We analyse dense stellar fields imaged at the Canada-France-Hawaii Telescope to quantify the degree of high spatial frequency variation in ground-based imaging Point Spread Functions and compare our results to models of atmospheric turbulence. The data shows an anisotropic turbulence pattern with an orientation independent of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.4913","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":"2026-05-18T02:00:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sNfF2z/KxLy11UG/J3Yth937NWol1Cr7As/m4fFkH+jpmXGehVaRamtVEWnF4sV6EtP4/OikXWFc9y/xd4TaBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T12:44:08.496731Z"},"content_sha256":"cad359509df9b440fa445bc04e322d2380eee32e15af2c85dfedfed3e12b867a","schema_version":"1.0","event_id":"sha256:cad359509df9b440fa445bc04e322d2380eee32e15af2c85dfedfed3e12b867a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GIRZ4MP5JO5WNSEU5DXHD5CIVZ/bundle.json","state_url":"https://pith.science/pith/GIRZ4MP5JO5WNSEU5DXHD5CIVZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GIRZ4MP5JO5WNSEU5DXHD5CIVZ/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":"2026-05-27T12:44:08Z","links":{"resolver":"https://pith.science/pith/GIRZ4MP5JO5WNSEU5DXHD5CIVZ","bundle":"https://pith.science/pith/GIRZ4MP5JO5WNSEU5DXHD5CIVZ/bundle.json","state":"https://pith.science/pith/GIRZ4MP5JO5WNSEU5DXHD5CIVZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GIRZ4MP5JO5WNSEU5DXHD5CIVZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:GIRZ4MP5JO5WNSEU5DXHD5CIVZ","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":"38602da57af47af242b6d3acdce6c41648c0ed6e39598e436eba762630cdf172","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-21T21:46:15Z","title_canon_sha256":"ea2aa422af049c4025dcfc1dde79f83fcadf08936ba223dcb80b3787a8bdda0d"},"schema_version":"1.0","source":{"id":"1110.4913","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.4913","created_at":"2026-05-18T02:00:07Z"},{"alias_kind":"arxiv_version","alias_value":"1110.4913v2","created_at":"2026-05-18T02:00:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.4913","created_at":"2026-05-18T02:00:07Z"},{"alias_kind":"pith_short_12","alias_value":"GIRZ4MP5JO5W","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"GIRZ4MP5JO5WNSEU","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"GIRZ4MP5","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:cad359509df9b440fa445bc04e322d2380eee32e15af2c85dfedfed3e12b867a","target":"graph","created_at":"2026-05-18T02:00:07Z","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":"High precision cosmology with weak gravitational lensing requires a precise measure of the Point Spread Function across the imaging data where the accuracy to which high spatial frequency variation can be modelled is limited by the stellar number density across the field. We analyse dense stellar fields imaged at the Canada-France-Hawaii Telescope to quantify the degree of high spatial frequency variation in ground-based imaging Point Spread Functions and compare our results to models of atmospheric turbulence. The data shows an anisotropic turbulence pattern with an orientation independent of","authors_text":"Barnaby Rowe, Catherine Heymans, Henk Hoekstra, Lance Miller, Ludovic Van Waerbeke, Thomas Erben, Thomas Kitching","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-21T21:46:15Z","title":"The impact of high spatial frequency atmospheric distortions on weak lensing measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.4913","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":"sha256:16875f42ffc80b84d938de48692b9ab9e22e32d74ba7d0fa101d9e77ac5e159a","target":"record","created_at":"2026-05-18T02:00:07Z","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":"38602da57af47af242b6d3acdce6c41648c0ed6e39598e436eba762630cdf172","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-21T21:46:15Z","title_canon_sha256":"ea2aa422af049c4025dcfc1dde79f83fcadf08936ba223dcb80b3787a8bdda0d"},"schema_version":"1.0","source":{"id":"1110.4913","kind":"arxiv","version":2}},"canonical_sha256":"32239e31fd4bbb66c894e8ee71f448ae44039f5b2013c1c002c82737e73d2a8d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"32239e31fd4bbb66c894e8ee71f448ae44039f5b2013c1c002c82737e73d2a8d","first_computed_at":"2026-05-18T02:00:07.015415Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:07.015415Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OsECvrRIfdF2DcDHeuzCmaOxYuJ2Bb/gYSymcP9z2bwtSvEjrp6RPhQ0I/UUVKrPZOdqcoH6N+CWHBSrmxERBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:07.015902Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.4913","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:16875f42ffc80b84d938de48692b9ab9e22e32d74ba7d0fa101d9e77ac5e159a","sha256:cad359509df9b440fa445bc04e322d2380eee32e15af2c85dfedfed3e12b867a"],"state_sha256":"07f8f24c8ee4abfeecb5a6f3be117087e3892a5ac20fe7b415c9b0a63acc9bc3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tfhj0abHCkvYPszLXLg1VYU4V7xKW00odTbWS7PgPb34aOfvBG/zuFBTU/G+LLglRUarAVYBBCmumO1XRJplCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T12:44:08.498982Z","bundle_sha256":"bd5a9022df07cfb7fce1f9dafa63050368d7fe63302c4800b5d1afabe2a12312"}}