{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:6S4G5M5UNXVFHRPBIXYVRM3HOF","short_pith_number":"pith:6S4G5M5U","canonical_record":{"source":{"id":"1103.2124","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-10T20:55:09Z","cross_cats_sorted":[],"title_canon_sha256":"a884c05df38c06cbcc5fcb9607796f1d42df97c56e425565593ac88e1ab8403f","abstract_canon_sha256":"53eb8f0d2ded52fc47b1cf839f9149fbd29d52404d3418435c5f6d018ee1121b"},"schema_version":"1.0"},"canonical_sha256":"f4b86eb3b46dea53c5e145f158b367714e80f818cf282c876722774a73701c53","source":{"kind":"arxiv","id":"1103.2124","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.2124","created_at":"2026-05-18T02:22:30Z"},{"alias_kind":"arxiv_version","alias_value":"1103.2124v3","created_at":"2026-05-18T02:22:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.2124","created_at":"2026-05-18T02:22:30Z"},{"alias_kind":"pith_short_12","alias_value":"6S4G5M5UNXVF","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"6S4G5M5UNXVFHRPB","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"6S4G5M5U","created_at":"2026-05-18T12:26:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:6S4G5M5UNXVFHRPBIXYVRM3HOF","target":"record","payload":{"canonical_record":{"source":{"id":"1103.2124","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-10T20:55:09Z","cross_cats_sorted":[],"title_canon_sha256":"a884c05df38c06cbcc5fcb9607796f1d42df97c56e425565593ac88e1ab8403f","abstract_canon_sha256":"53eb8f0d2ded52fc47b1cf839f9149fbd29d52404d3418435c5f6d018ee1121b"},"schema_version":"1.0"},"canonical_sha256":"f4b86eb3b46dea53c5e145f158b367714e80f818cf282c876722774a73701c53","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:22:30.552900Z","signature_b64":"ebnm5BGbmXsK+GbrtAd3YMt7c34F5tW0Sz6viqv8CLhNfAifzFihDtaFg5hKis2h0ihMadDJaPqmYS4dULFkAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f4b86eb3b46dea53c5e145f158b367714e80f818cf282c876722774a73701c53","last_reissued_at":"2026-05-18T02:22:30.552172Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:22:30.552172Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.2124","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":"2026-05-18T02:22:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zw5duFuyHz5oKks8pHP9POyyLaHU+XdPKdZAgwDM3gSM46F86XaKUt0fj/rakPuOVV6Bm4eIisNuCEOGiBHYDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:41:57.247765Z"},"content_sha256":"4d97abc2dc88e339d747c60d49cef22f3467ff8223786b0ecebc9bff3279034c","schema_version":"1.0","event_id":"sha256:4d97abc2dc88e339d747c60d49cef22f3467ff8223786b0ecebc9bff3279034c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:6S4G5M5UNXVFHRPBIXYVRM3HOF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detection of the Power Spectrum of Cosmic Microwave Background Lensing by the Atacama Cosmology Telescope","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Adam D. Hincks, Amir Hajian, Arthur Kosowsky, Benjamin L. Schmitt, Blake D. Sherwin, C. Sofia Carvalho, Danica Marsden, Daniel S. Swetz, David N. Spergel, Ed Wollack, Eric R. Switzer, Erik D. Reese, Felipe Menanteau, Jeff Klein, Joanna Dunkley, John P. Hughes, John W. Appel, Jon Sievers, Joseph W. Fowler, J. Richard Bond, Katerina Visnjic, Kavilan Moodley, Kent D. Irwin, Kevin M. Huffenberger, Lucas Parker, Lyman A. Page, Mark Halpern, Mark J. Devlin, Matthew Hasselfield, Michael D. Niemack, Michael R. Nolta, Neelima Sehgal, Paula Aguirre, Renee Hlozek, Robert H. Lupton, Robert Thornton, Rolando Dunner, Sudeep Das, Suzanne T. Staggs, Thomas Essinger-Hileman, Tobias A. Marriage","submitted_at":"2011-03-10T20:55:09Z","abstract_excerpt":"We report the first detection of the gravitational lensing of the cosmic microwave background through a measurement of the four-point correlation function in the temperature maps made by the Atacama Cosmology Telescope. We verify our detection by calculating the levels of potential contaminants and performing a number of null tests. The resulting convergence power spectrum at 2-degree angular scales measures the amplitude of matter density fluctuations on comoving length scales of around 100 Mpc at redshifts around 0.5 to 3. The measured amplitude of the signal agrees with Lambda Cold Dark Mat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.2124","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":"2026-05-18T02:22:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A3V70NCnmSVLGF26zzW81ys3xUmkB2RCphMyXGZo6UQ0qgVK3Vz/HTFWpBdDI86TZVPnt6IDyWtY8GrNrJcDAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:41:57.248121Z"},"content_sha256":"529a0a8c38574d1c806ea10a47ea9bb348e2de1021351a8b27dc46e7bfc357da","schema_version":"1.0","event_id":"sha256:529a0a8c38574d1c806ea10a47ea9bb348e2de1021351a8b27dc46e7bfc357da"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6S4G5M5UNXVFHRPBIXYVRM3HOF/bundle.json","state_url":"https://pith.science/pith/6S4G5M5UNXVFHRPBIXYVRM3HOF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6S4G5M5UNXVFHRPBIXYVRM3HOF/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":"2026-05-28T05:41:57Z","links":{"resolver":"https://pith.science/pith/6S4G5M5UNXVFHRPBIXYVRM3HOF","bundle":"https://pith.science/pith/6S4G5M5UNXVFHRPBIXYVRM3HOF/bundle.json","state":"https://pith.science/pith/6S4G5M5UNXVFHRPBIXYVRM3HOF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6S4G5M5UNXVFHRPBIXYVRM3HOF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:6S4G5M5UNXVFHRPBIXYVRM3HOF","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":"53eb8f0d2ded52fc47b1cf839f9149fbd29d52404d3418435c5f6d018ee1121b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-10T20:55:09Z","title_canon_sha256":"a884c05df38c06cbcc5fcb9607796f1d42df97c56e425565593ac88e1ab8403f"},"schema_version":"1.0","source":{"id":"1103.2124","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.2124","created_at":"2026-05-18T02:22:30Z"},{"alias_kind":"arxiv_version","alias_value":"1103.2124v3","created_at":"2026-05-18T02:22:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.2124","created_at":"2026-05-18T02:22:30Z"},{"alias_kind":"pith_short_12","alias_value":"6S4G5M5UNXVF","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"6S4G5M5UNXVFHRPB","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"6S4G5M5U","created_at":"2026-05-18T12:26:22Z"}],"graph_snapshots":[{"event_id":"sha256:529a0a8c38574d1c806ea10a47ea9bb348e2de1021351a8b27dc46e7bfc357da","target":"graph","created_at":"2026-05-18T02:22:30Z","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":"We report the first detection of the gravitational lensing of the cosmic microwave background through a measurement of the four-point correlation function in the temperature maps made by the Atacama Cosmology Telescope. We verify our detection by calculating the levels of potential contaminants and performing a number of null tests. The resulting convergence power spectrum at 2-degree angular scales measures the amplitude of matter density fluctuations on comoving length scales of around 100 Mpc at redshifts around 0.5 to 3. The measured amplitude of the signal agrees with Lambda Cold Dark Mat","authors_text":"Adam D. Hincks, Amir Hajian, Arthur Kosowsky, Benjamin L. Schmitt, Blake D. Sherwin, C. Sofia Carvalho, Danica Marsden, Daniel S. Swetz, David N. Spergel, Ed Wollack, Eric R. Switzer, Erik D. Reese, Felipe Menanteau, Jeff Klein, Joanna Dunkley, John P. Hughes, John W. Appel, Jon Sievers, Joseph W. Fowler, J. Richard Bond, Katerina Visnjic, Kavilan Moodley, Kent D. Irwin, Kevin M. Huffenberger, Lucas Parker, Lyman A. Page, Mark Halpern, Mark J. Devlin, Matthew Hasselfield, Michael D. Niemack, Michael R. Nolta, Neelima Sehgal, Paula Aguirre, Renee Hlozek, Robert H. Lupton, Robert Thornton, Rolando Dunner, Sudeep Das, Suzanne T. Staggs, Thomas Essinger-Hileman, Tobias A. Marriage","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-10T20:55:09Z","title":"Detection of the Power Spectrum of Cosmic Microwave Background Lensing by the Atacama Cosmology Telescope"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.2124","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":"sha256:4d97abc2dc88e339d747c60d49cef22f3467ff8223786b0ecebc9bff3279034c","target":"record","created_at":"2026-05-18T02:22:30Z","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":"53eb8f0d2ded52fc47b1cf839f9149fbd29d52404d3418435c5f6d018ee1121b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-10T20:55:09Z","title_canon_sha256":"a884c05df38c06cbcc5fcb9607796f1d42df97c56e425565593ac88e1ab8403f"},"schema_version":"1.0","source":{"id":"1103.2124","kind":"arxiv","version":3}},"canonical_sha256":"f4b86eb3b46dea53c5e145f158b367714e80f818cf282c876722774a73701c53","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f4b86eb3b46dea53c5e145f158b367714e80f818cf282c876722774a73701c53","first_computed_at":"2026-05-18T02:22:30.552172Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:22:30.552172Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ebnm5BGbmXsK+GbrtAd3YMt7c34F5tW0Sz6viqv8CLhNfAifzFihDtaFg5hKis2h0ihMadDJaPqmYS4dULFkAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:22:30.552900Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.2124","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d97abc2dc88e339d747c60d49cef22f3467ff8223786b0ecebc9bff3279034c","sha256:529a0a8c38574d1c806ea10a47ea9bb348e2de1021351a8b27dc46e7bfc357da"],"state_sha256":"b69f9c2504e99ba099dcbd896c68c5338ca428b54bd320294155196cc1de20a4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G6HKQYBDXQweUV6mhYZgT3EgQodYRqq8ymR9CJFWoOgQas1PsUKyQdcJQZyBDFWTHTdiOltDthfcBGSZyomrAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T05:41:57.250122Z","bundle_sha256":"37f433ede1545bc8fa4b6b6233978c4dee5a4898297fbc146c60f40f5d85a24b"}}