{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:T53WFQTWTU26RMAA2VZWVGVXCL","short_pith_number":"pith:T53WFQTW","canonical_record":{"source":{"id":"2009.07772","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-09-16T16:03:18Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"18276490043180a6f47861648fb6bbd8d28827f5fad3bd2a8b456ade758f0ced","abstract_canon_sha256":"a7bd72b8c3d9ba8e0d5b5d71f908cf2aecd58d70813b64e93c36a87d5454a5d7"},"schema_version":"1.0"},"canonical_sha256":"9f7762c2769d35e8b000d5736a9ab712ecbcb2cc3d7a2cef03fb9d781236fcee","source":{"kind":"arxiv","id":"2009.07772","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.07772","created_at":"2026-07-05T01:50:32Z"},{"alias_kind":"arxiv_version","alias_value":"2009.07772v2","created_at":"2026-07-05T01:50:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.07772","created_at":"2026-07-05T01:50:32Z"},{"alias_kind":"pith_short_12","alias_value":"T53WFQTWTU26","created_at":"2026-07-05T01:50:32Z"},{"alias_kind":"pith_short_16","alias_value":"T53WFQTWTU26RMAA","created_at":"2026-07-05T01:50:32Z"},{"alias_kind":"pith_short_8","alias_value":"T53WFQTW","created_at":"2026-07-05T01:50:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:T53WFQTWTU26RMAA2VZWVGVXCL","target":"record","payload":{"canonical_record":{"source":{"id":"2009.07772","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-09-16T16:03:18Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"18276490043180a6f47861648fb6bbd8d28827f5fad3bd2a8b456ade758f0ced","abstract_canon_sha256":"a7bd72b8c3d9ba8e0d5b5d71f908cf2aecd58d70813b64e93c36a87d5454a5d7"},"schema_version":"1.0"},"canonical_sha256":"9f7762c2769d35e8b000d5736a9ab712ecbcb2cc3d7a2cef03fb9d781236fcee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:50:32.554393Z","signature_b64":"NaJ4yScn8T3DIOLir1ZFJ//Ybzu11Jly+KLqDHRlq05YNlgOd5uCEmycfeAp9Jaar23oCWS2GoiBFngZi0iHBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f7762c2769d35e8b000d5736a9ab712ecbcb2cc3d7a2cef03fb9d781236fcee","last_reissued_at":"2026-07-05T01:50:32.553805Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:50:32.553805Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2009.07772","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":"2026-07-05T01:50:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k8OEi19pLCMDEnFqpJa4Te+lh6H5MxP1EgVlhmPsaxz0MXs1aL6zIiC8hFTeDXL95e9v3xAud2dZQXTluoKYBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T12:43:44.015949Z"},"content_sha256":"52c1803f355d3a9ec23da1b351c9867379676ec3758b961164a3ba3f7d7e7601","schema_version":"1.0","event_id":"sha256:52c1803f355d3a9ec23da1b351c9867379676ec3758b961164a3ba3f7d7e7601"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:T53WFQTWTU26RMAA2VZWVGVXCL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Atacama Cosmology Telescope: Weighing distant clusters with the most ancient light","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Adriaan J. Duivenvoorden, Alessandro Schillaci, Alexander van Engelen, Amanda MacInnis, Arthur Kosowsky, Benjamin L. Schmitt, Blake D. Sherwin, Brian J. Koopman, Bruce Partridge, Crist\\'obal Sif\\'on, Daniel T. Becker, David N. Spergel, Dongwon Han, Edward J. Wollack, Edward V. Denison, Emilie R. Storer, Emmanuel Schaan, Erminia Calabrese, Eunseong Lee, Eve M. Vavagiakis, Federico Nati, Frank J. Qu, Gene C. Hilton, James A. Beall, Jason E. Austermann, J. Colin Hill, Jeffrey McMahon, Jeff Van Lanen, Jo Dunkley, Joel N. Ullom, Johannes Hubmayr, John P. Hughes, J. Richard Bond, Kavilan Moodley, Kevin M. Huffenberger, Laura Newburgh, Leila R. Vale, Lyman A. Page, Maria Salatino, Mark J. Devlin, Mathew S. Madhavacheril, Matt Hilton, Michael D. Niemack, Naomi C. Robertson, Neelima Sehgal, Nicholas Battaglia, Patricio A. Gallardo, Rolando D\\\"unner, Sara M. Simon, Shannon M. Duff, Sigurd Naess, Simone Aiola, Simone Ferraro, Simon R. Dicker, Stefania Amodeo, Steve K. Choi, Suzanne Staggs, Thibaut Louis, Toshiya Namikawa, Yilun Guan, Zhilei Xu","submitted_at":"2020-09-16T16:03:18Z","abstract_excerpt":"We use gravitational lensing of the cosmic microwave background (CMB) to measure the mass of the most distant blindly-selected sample of galaxy clusters on which a lensing measurement has been performed to date. In CMB data from the the Atacama Cosmology Telescope (ACT) and the Planck satellite, we detect the stacked lensing effect from 677 near-infrared-selected galaxy clusters from the Massive and Distant Clusters of WISE Survey (MaDCoWS), which have a mean redshift of $ \\langle z \\rangle = 1.08$. There are no current optical weak lensing measurements of clusters that match the distance and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.07772","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2009.07772/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":"2026-07-05T01:50:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YlpSkfeEyKpBUgEPBNYIOvnHt+gApxyll68A81ueRSJXdufp1z6FeADaszXQJSX/zwfEwXIoZFItDIdJnsb2Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T12:43:44.016520Z"},"content_sha256":"6767106020cd4dfede14892b9c96d3e145f13b7f71b6d3ef3452e40686835298","schema_version":"1.0","event_id":"sha256:6767106020cd4dfede14892b9c96d3e145f13b7f71b6d3ef3452e40686835298"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T53WFQTWTU26RMAA2VZWVGVXCL/bundle.json","state_url":"https://pith.science/pith/T53WFQTWTU26RMAA2VZWVGVXCL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T53WFQTWTU26RMAA2VZWVGVXCL/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":"2026-08-04T12:43:44Z","links":{"resolver":"https://pith.science/pith/T53WFQTWTU26RMAA2VZWVGVXCL","bundle":"https://pith.science/pith/T53WFQTWTU26RMAA2VZWVGVXCL/bundle.json","state":"https://pith.science/pith/T53WFQTWTU26RMAA2VZWVGVXCL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T53WFQTWTU26RMAA2VZWVGVXCL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:T53WFQTWTU26RMAA2VZWVGVXCL","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":"a7bd72b8c3d9ba8e0d5b5d71f908cf2aecd58d70813b64e93c36a87d5454a5d7","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-09-16T16:03:18Z","title_canon_sha256":"18276490043180a6f47861648fb6bbd8d28827f5fad3bd2a8b456ade758f0ced"},"schema_version":"1.0","source":{"id":"2009.07772","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.07772","created_at":"2026-07-05T01:50:32Z"},{"alias_kind":"arxiv_version","alias_value":"2009.07772v2","created_at":"2026-07-05T01:50:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.07772","created_at":"2026-07-05T01:50:32Z"},{"alias_kind":"pith_short_12","alias_value":"T53WFQTWTU26","created_at":"2026-07-05T01:50:32Z"},{"alias_kind":"pith_short_16","alias_value":"T53WFQTWTU26RMAA","created_at":"2026-07-05T01:50:32Z"},{"alias_kind":"pith_short_8","alias_value":"T53WFQTW","created_at":"2026-07-05T01:50:32Z"}],"graph_snapshots":[{"event_id":"sha256:6767106020cd4dfede14892b9c96d3e145f13b7f71b6d3ef3452e40686835298","target":"graph","created_at":"2026-07-05T01:50:32Z","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/2009.07772/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We use gravitational lensing of the cosmic microwave background (CMB) to measure the mass of the most distant blindly-selected sample of galaxy clusters on which a lensing measurement has been performed to date. In CMB data from the the Atacama Cosmology Telescope (ACT) and the Planck satellite, we detect the stacked lensing effect from 677 near-infrared-selected galaxy clusters from the Massive and Distant Clusters of WISE Survey (MaDCoWS), which have a mean redshift of $ \\langle z \\rangle = 1.08$. There are no current optical weak lensing measurements of clusters that match the distance and ","authors_text":"Adriaan J. Duivenvoorden, Alessandro Schillaci, Alexander van Engelen, Amanda MacInnis, Arthur Kosowsky, Benjamin L. Schmitt, Blake D. Sherwin, Brian J. Koopman, Bruce Partridge, Crist\\'obal Sif\\'on, Daniel T. Becker, David N. Spergel, Dongwon Han, Edward J. Wollack, Edward V. Denison, Emilie R. Storer, Emmanuel Schaan, Erminia Calabrese, Eunseong Lee, Eve M. Vavagiakis, Federico Nati, Frank J. Qu, Gene C. Hilton, James A. Beall, Jason E. Austermann, J. Colin Hill, Jeffrey McMahon, Jeff Van Lanen, Jo Dunkley, Joel N. Ullom, Johannes Hubmayr, John P. Hughes, J. Richard Bond, Kavilan Moodley, Kevin M. Huffenberger, Laura Newburgh, Leila R. Vale, Lyman A. Page, Maria Salatino, Mark J. Devlin, Mathew S. Madhavacheril, Matt Hilton, Michael D. Niemack, Naomi C. Robertson, Neelima Sehgal, Nicholas Battaglia, Patricio A. Gallardo, Rolando D\\\"unner, Sara M. Simon, Shannon M. Duff, Sigurd Naess, Simone Aiola, Simone Ferraro, Simon R. Dicker, Stefania Amodeo, Steve K. Choi, Suzanne Staggs, Thibaut Louis, Toshiya Namikawa, Yilun Guan, Zhilei Xu","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-09-16T16:03:18Z","title":"The Atacama Cosmology Telescope: Weighing distant clusters with the most ancient light"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.07772","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":"sha256:52c1803f355d3a9ec23da1b351c9867379676ec3758b961164a3ba3f7d7e7601","target":"record","created_at":"2026-07-05T01:50:32Z","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":"a7bd72b8c3d9ba8e0d5b5d71f908cf2aecd58d70813b64e93c36a87d5454a5d7","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-09-16T16:03:18Z","title_canon_sha256":"18276490043180a6f47861648fb6bbd8d28827f5fad3bd2a8b456ade758f0ced"},"schema_version":"1.0","source":{"id":"2009.07772","kind":"arxiv","version":2}},"canonical_sha256":"9f7762c2769d35e8b000d5736a9ab712ecbcb2cc3d7a2cef03fb9d781236fcee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f7762c2769d35e8b000d5736a9ab712ecbcb2cc3d7a2cef03fb9d781236fcee","first_computed_at":"2026-07-05T01:50:32.553805Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:50:32.553805Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NaJ4yScn8T3DIOLir1ZFJ//Ybzu11Jly+KLqDHRlq05YNlgOd5uCEmycfeAp9Jaar23oCWS2GoiBFngZi0iHBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:50:32.554393Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.07772","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:52c1803f355d3a9ec23da1b351c9867379676ec3758b961164a3ba3f7d7e7601","sha256:6767106020cd4dfede14892b9c96d3e145f13b7f71b6d3ef3452e40686835298"],"state_sha256":"5552f19a1b9352fb455e8bee1bbed03d74f66c7b65e5e479a701aa06511c383c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BO1KtonNpAKgfHp6NAGajGh7eNW07hQfugpfJtK92qlR9yI5+4/k2YDJbBUJVMSyQlPNqNq4v0NA4LjCeUdBBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T12:43:44.022141Z","bundle_sha256":"9da41072e116876822ac864a3fb16004624df56da97076a24bcd40a864a4d04c"}}