{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:HHYJZPV5F6H2TJIPG4D3P74ONV","short_pith_number":"pith:HHYJZPV5","canonical_record":{"source":{"id":"1912.07619","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-12-16T19:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"fa51bb68110d212aa2e90d42a3bfe61f644a9e3a8ed36c0aac7c43ed318271a7","abstract_canon_sha256":"98c5ed1806b317c04aedcbb033e73efccbaefb73952035e6b4f557e12a06c4ea"},"schema_version":"1.0"},"canonical_sha256":"39f09cbebd2f8fa9a50f3707b7ff8e6d6e892f0e8c773ee9c4fb2de6960d3d51","source":{"kind":"arxiv","id":"1912.07619","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.07619","created_at":"2026-07-05T01:14:33Z"},{"alias_kind":"arxiv_version","alias_value":"1912.07619v1","created_at":"2026-07-05T01:14:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.07619","created_at":"2026-07-05T01:14:33Z"},{"alias_kind":"pith_short_12","alias_value":"HHYJZPV5F6H2","created_at":"2026-07-05T01:14:33Z"},{"alias_kind":"pith_short_16","alias_value":"HHYJZPV5F6H2TJIP","created_at":"2026-07-05T01:14:33Z"},{"alias_kind":"pith_short_8","alias_value":"HHYJZPV5","created_at":"2026-07-05T01:14:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:HHYJZPV5F6H2TJIPG4D3P74ONV","target":"record","payload":{"canonical_record":{"source":{"id":"1912.07619","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-12-16T19:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"fa51bb68110d212aa2e90d42a3bfe61f644a9e3a8ed36c0aac7c43ed318271a7","abstract_canon_sha256":"98c5ed1806b317c04aedcbb033e73efccbaefb73952035e6b4f557e12a06c4ea"},"schema_version":"1.0"},"canonical_sha256":"39f09cbebd2f8fa9a50f3707b7ff8e6d6e892f0e8c773ee9c4fb2de6960d3d51","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:14:33.600159Z","signature_b64":"l+QK6qS+Jx2THPcYuYSfrFVPeys7g5+KOgCcW5fpD9MPFTXgcZ4a8lQ2jjUgG2qzMkYIp+1iOKRBr5In6pkDDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39f09cbebd2f8fa9a50f3707b7ff8e6d6e892f0e8c773ee9c4fb2de6960d3d51","last_reissued_at":"2026-07-05T01:14:33.599655Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:14:33.599655Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.07619","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":"2026-07-05T01:14:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n57wgnBHq10AL2gWXrIrwcfZqvjayPqZPUXPAu3nQi35mj4tx5OnpvsGU48vv5SaZjPd3xa8U9IVtxh319VQCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T11:15:30.305790Z"},"content_sha256":"d60e64c3b6a1d3db4580d190bc01395a7fe5fe83ea8019018af08e57d5349125","schema_version":"1.0","event_id":"sha256:d60e64c3b6a1d3db4580d190bc01395a7fe5fe83ea8019018af08e57d5349125"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:HHYJZPV5F6H2TJIPG4D3P74ONV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Minimizing gravitational lensing contributions to the primordial bispectrum covariance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Adriaan J. Duivenvoorden, Alexander van Engelen, David G. Baker, P. Daniel Meerburg, Selim Hotinli, William R. Coulton","submitted_at":"2019-12-16T19:00:04Z","abstract_excerpt":"The next generation of ground-based CMB experiments aim to measure temperature and polarization fluctuations up to $\\ell_{\\rm max} \\approx 5000$ over half of the sky. Combined with Planck data on large scales, this will provide improved constraints on primordial non-Gaussianity. However, the impressive resolution of these experiments will come at a price. Besides signal confusion from galactic foregrounds, extra-galactic foregrounds and late-time gravitational effects, gravitational lensing will introduce large non-Gaussianity that can become the leading contribution to the bispectrum covarian"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.07619","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/1912.07619/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":"2026-07-05T01:14:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wuOE+Fmsp9TmZfpGrWCbHc+PFsIdeOJdgIz7hyYSNjB05mX9ieP7jYIFNqbmvBKnUV/FNG8wVR7Tiq+AzUjzAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T11:15:30.306373Z"},"content_sha256":"175ef08eb75e81e5d63d815ab1994f9dff6849b670ebd99cf669e2064c36d446","schema_version":"1.0","event_id":"sha256:175ef08eb75e81e5d63d815ab1994f9dff6849b670ebd99cf669e2064c36d446"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HHYJZPV5F6H2TJIPG4D3P74ONV/bundle.json","state_url":"https://pith.science/pith/HHYJZPV5F6H2TJIPG4D3P74ONV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HHYJZPV5F6H2TJIPG4D3P74ONV/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":"2026-08-10T11:15:30Z","links":{"resolver":"https://pith.science/pith/HHYJZPV5F6H2TJIPG4D3P74ONV","bundle":"https://pith.science/pith/HHYJZPV5F6H2TJIPG4D3P74ONV/bundle.json","state":"https://pith.science/pith/HHYJZPV5F6H2TJIPG4D3P74ONV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HHYJZPV5F6H2TJIPG4D3P74ONV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:HHYJZPV5F6H2TJIPG4D3P74ONV","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":"98c5ed1806b317c04aedcbb033e73efccbaefb73952035e6b4f557e12a06c4ea","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-12-16T19:00:04Z","title_canon_sha256":"fa51bb68110d212aa2e90d42a3bfe61f644a9e3a8ed36c0aac7c43ed318271a7"},"schema_version":"1.0","source":{"id":"1912.07619","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.07619","created_at":"2026-07-05T01:14:33Z"},{"alias_kind":"arxiv_version","alias_value":"1912.07619v1","created_at":"2026-07-05T01:14:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.07619","created_at":"2026-07-05T01:14:33Z"},{"alias_kind":"pith_short_12","alias_value":"HHYJZPV5F6H2","created_at":"2026-07-05T01:14:33Z"},{"alias_kind":"pith_short_16","alias_value":"HHYJZPV5F6H2TJIP","created_at":"2026-07-05T01:14:33Z"},{"alias_kind":"pith_short_8","alias_value":"HHYJZPV5","created_at":"2026-07-05T01:14:33Z"}],"graph_snapshots":[{"event_id":"sha256:175ef08eb75e81e5d63d815ab1994f9dff6849b670ebd99cf669e2064c36d446","target":"graph","created_at":"2026-07-05T01:14:33Z","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/1912.07619/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The next generation of ground-based CMB experiments aim to measure temperature and polarization fluctuations up to $\\ell_{\\rm max} \\approx 5000$ over half of the sky. Combined with Planck data on large scales, this will provide improved constraints on primordial non-Gaussianity. However, the impressive resolution of these experiments will come at a price. Besides signal confusion from galactic foregrounds, extra-galactic foregrounds and late-time gravitational effects, gravitational lensing will introduce large non-Gaussianity that can become the leading contribution to the bispectrum covarian","authors_text":"Adriaan J. Duivenvoorden, Alexander van Engelen, David G. Baker, P. Daniel Meerburg, Selim Hotinli, William R. Coulton","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-12-16T19:00:04Z","title":"Minimizing gravitational lensing contributions to the primordial bispectrum covariance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.07619","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:d60e64c3b6a1d3db4580d190bc01395a7fe5fe83ea8019018af08e57d5349125","target":"record","created_at":"2026-07-05T01:14:33Z","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":"98c5ed1806b317c04aedcbb033e73efccbaefb73952035e6b4f557e12a06c4ea","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-12-16T19:00:04Z","title_canon_sha256":"fa51bb68110d212aa2e90d42a3bfe61f644a9e3a8ed36c0aac7c43ed318271a7"},"schema_version":"1.0","source":{"id":"1912.07619","kind":"arxiv","version":1}},"canonical_sha256":"39f09cbebd2f8fa9a50f3707b7ff8e6d6e892f0e8c773ee9c4fb2de6960d3d51","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"39f09cbebd2f8fa9a50f3707b7ff8e6d6e892f0e8c773ee9c4fb2de6960d3d51","first_computed_at":"2026-07-05T01:14:33.599655Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:14:33.599655Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l+QK6qS+Jx2THPcYuYSfrFVPeys7g5+KOgCcW5fpD9MPFTXgcZ4a8lQ2jjUgG2qzMkYIp+1iOKRBr5In6pkDDw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:14:33.600159Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.07619","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d60e64c3b6a1d3db4580d190bc01395a7fe5fe83ea8019018af08e57d5349125","sha256:175ef08eb75e81e5d63d815ab1994f9dff6849b670ebd99cf669e2064c36d446"],"state_sha256":"cec608b79382c6d19059ac15faa5e0a33dae408edcb7035916cf6ff530dc7c52"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HLxwUDrjcHuEvscPFCOKOL4XRdA7+I9LAGnZHWm8okJV0ahle+fofQdplOE9KhR/GbVwpDyYqb7HA/1kUgIGCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T11:15:30.310764Z","bundle_sha256":"8efc15784b90f5631a191e976b767fdf6c98cdcdc802063a8a023285f9b55b83"}}