{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:7R3ID6LAB7F5Z6FMVI4SC36MIW","short_pith_number":"pith:7R3ID6LA","canonical_record":{"source":{"id":"1201.5779","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-27T13:57:00Z","cross_cats_sorted":[],"title_canon_sha256":"6107a4fe269aab7816dd0bd9b7597769eb43ac01e48c55974ea09163f40b5172","abstract_canon_sha256":"f7dc2714111b3616e0fba5339468539ed29b6a377d39a5dfc155223eb3c74c0d"},"schema_version":"1.0"},"canonical_sha256":"fc7681f9600fcbdcf8acaa39216fcc458cc45074cd040166d74119f8e257e92a","source":{"kind":"arxiv","id":"1201.5779","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.5779","created_at":"2026-05-18T02:21:18Z"},{"alias_kind":"arxiv_version","alias_value":"1201.5779v3","created_at":"2026-05-18T02:21:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.5779","created_at":"2026-05-18T02:21:18Z"},{"alias_kind":"pith_short_12","alias_value":"7R3ID6LAB7F5","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"7R3ID6LAB7F5Z6FM","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"7R3ID6LA","created_at":"2026-05-18T12:26:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:7R3ID6LAB7F5Z6FMVI4SC36MIW","target":"record","payload":{"canonical_record":{"source":{"id":"1201.5779","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-27T13:57:00Z","cross_cats_sorted":[],"title_canon_sha256":"6107a4fe269aab7816dd0bd9b7597769eb43ac01e48c55974ea09163f40b5172","abstract_canon_sha256":"f7dc2714111b3616e0fba5339468539ed29b6a377d39a5dfc155223eb3c74c0d"},"schema_version":"1.0"},"canonical_sha256":"fc7681f9600fcbdcf8acaa39216fcc458cc45074cd040166d74119f8e257e92a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:21:18.344541Z","signature_b64":"CT2ZFey0J7CoAWRbs/nEoIuWyZx8aFBXJo2Fn2K/MYPdkrfqXW01plDYdllhPHvAIlMhtcVa+63Dtt0YRm5RBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fc7681f9600fcbdcf8acaa39216fcc458cc45074cd040166d74119f8e257e92a","last_reissued_at":"2026-05-18T02:21:18.343875Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:21:18.343875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.5779","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":"2026-05-18T02:21:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e6/3XEWYTpCkiT6LfuufrNToaUjt4+YZODVnCGBFNfsrlYA3mD2zmR6gUpUCvadKcKv2K5luqpovpwcWuikqBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T08:06:52.833035Z"},"content_sha256":"e318951cc0372dd73855a78920e9af11e4557a56f22a173576c39e92d5ae90c4","schema_version":"1.0","event_id":"sha256:e318951cc0372dd73855a78920e9af11e4557a56f22a173576c39e92d5ae90c4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:7R3ID6LAB7F5Z6FMVI4SC36MIW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A hybrid approach to CMB lensing reconstruction on all-sky intensity maps","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Lavabre, J.-L. Starck, L. Perotto, S. Plaszczynski","submitted_at":"2012-01-27T13:57:00Z","abstract_excerpt":"Based on realistic simulations, we propose an hybrid method to reconstruct the lensing potential power spectrum, directly on PLANCK-like CMB frequency maps. It implies using a large galactic mask and dealing with a strong inhomogeneous noise. For l < 100, we show that a full-sky inpainting method, already described in a previous work, still allows a minimal variance reconstruction, with a bias that must be accounted for by a Monte-Carlo method, but that does not couple to the deflection field. For l>100 we develop a method based on tiling the cut-sky with local 10x10 degrees overlapping tangen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.5779","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":"2026-05-18T02:21:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m3Ymdqc/brzP+wcPnFuYp38381qbLP2+MxWxMvk+wkOg1BNMj9t1njUxdCgd+BEEQf6Q/ORcjrvk0sukPTdjCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T08:06:52.833780Z"},"content_sha256":"83e5d3d82c1ec126f1830a35853fa7c852a6238466e09a8015730f5294830bd1","schema_version":"1.0","event_id":"sha256:83e5d3d82c1ec126f1830a35853fa7c852a6238466e09a8015730f5294830bd1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7R3ID6LAB7F5Z6FMVI4SC36MIW/bundle.json","state_url":"https://pith.science/pith/7R3ID6LAB7F5Z6FMVI4SC36MIW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7R3ID6LAB7F5Z6FMVI4SC36MIW/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":"2026-05-19T08:06:52Z","links":{"resolver":"https://pith.science/pith/7R3ID6LAB7F5Z6FMVI4SC36MIW","bundle":"https://pith.science/pith/7R3ID6LAB7F5Z6FMVI4SC36MIW/bundle.json","state":"https://pith.science/pith/7R3ID6LAB7F5Z6FMVI4SC36MIW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7R3ID6LAB7F5Z6FMVI4SC36MIW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:7R3ID6LAB7F5Z6FMVI4SC36MIW","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":"f7dc2714111b3616e0fba5339468539ed29b6a377d39a5dfc155223eb3c74c0d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-27T13:57:00Z","title_canon_sha256":"6107a4fe269aab7816dd0bd9b7597769eb43ac01e48c55974ea09163f40b5172"},"schema_version":"1.0","source":{"id":"1201.5779","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.5779","created_at":"2026-05-18T02:21:18Z"},{"alias_kind":"arxiv_version","alias_value":"1201.5779v3","created_at":"2026-05-18T02:21:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.5779","created_at":"2026-05-18T02:21:18Z"},{"alias_kind":"pith_short_12","alias_value":"7R3ID6LAB7F5","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"7R3ID6LAB7F5Z6FM","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"7R3ID6LA","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:83e5d3d82c1ec126f1830a35853fa7c852a6238466e09a8015730f5294830bd1","target":"graph","created_at":"2026-05-18T02:21:18Z","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":"Based on realistic simulations, we propose an hybrid method to reconstruct the lensing potential power spectrum, directly on PLANCK-like CMB frequency maps. It implies using a large galactic mask and dealing with a strong inhomogeneous noise. For l < 100, we show that a full-sky inpainting method, already described in a previous work, still allows a minimal variance reconstruction, with a bias that must be accounted for by a Monte-Carlo method, but that does not couple to the deflection field. For l>100 we develop a method based on tiling the cut-sky with local 10x10 degrees overlapping tangen","authors_text":"A. Lavabre, J.-L. Starck, L. Perotto, S. Plaszczynski","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-27T13:57:00Z","title":"A hybrid approach to CMB lensing reconstruction on all-sky intensity maps"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.5779","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:e318951cc0372dd73855a78920e9af11e4557a56f22a173576c39e92d5ae90c4","target":"record","created_at":"2026-05-18T02:21:18Z","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":"f7dc2714111b3616e0fba5339468539ed29b6a377d39a5dfc155223eb3c74c0d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-27T13:57:00Z","title_canon_sha256":"6107a4fe269aab7816dd0bd9b7597769eb43ac01e48c55974ea09163f40b5172"},"schema_version":"1.0","source":{"id":"1201.5779","kind":"arxiv","version":3}},"canonical_sha256":"fc7681f9600fcbdcf8acaa39216fcc458cc45074cd040166d74119f8e257e92a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fc7681f9600fcbdcf8acaa39216fcc458cc45074cd040166d74119f8e257e92a","first_computed_at":"2026-05-18T02:21:18.343875Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:21:18.343875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CT2ZFey0J7CoAWRbs/nEoIuWyZx8aFBXJo2Fn2K/MYPdkrfqXW01plDYdllhPHvAIlMhtcVa+63Dtt0YRm5RBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:21:18.344541Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.5779","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e318951cc0372dd73855a78920e9af11e4557a56f22a173576c39e92d5ae90c4","sha256:83e5d3d82c1ec126f1830a35853fa7c852a6238466e09a8015730f5294830bd1"],"state_sha256":"b9e071497592135d503b57b063e4c3577293ffd194060cb341727a8e922f2953"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5uanoXFzeayfInY2YKMDh/aRbl1TrjrZzjkAzAKqpDQafBldQzyyoWjI5ziPf3O2tjCyADMRgwFm9dfI6vphCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T08:06:52.837161Z","bundle_sha256":"a37df8139e27b4215623796dd5291e40c24b438084e6ffbb43b35f3183139bd2"}}