{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:636VBIRKM4OCY5LY3BDOGE4BGM","short_pith_number":"pith:636VBIRK","canonical_record":{"source":{"id":"1706.02673","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-06-08T16:44:01Z","cross_cats_sorted":[],"title_canon_sha256":"f197411b999cfaa9a892b38c51f7bf833bdbefba212fed356d0d41b535bfea52","abstract_canon_sha256":"408a272e0753e8292d070bce1c626a594d9493d6e6c6546f59871e9a0e967a08"},"schema_version":"1.0"},"canonical_sha256":"f6fd50a22a671c2c7578d846e31381333b59a3375a40427488f9cb3779d5a270","source":{"kind":"arxiv","id":"1706.02673","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.02673","created_at":"2026-05-18T00:37:50Z"},{"alias_kind":"arxiv_version","alias_value":"1706.02673v2","created_at":"2026-05-18T00:37:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.02673","created_at":"2026-05-18T00:37:50Z"},{"alias_kind":"pith_short_12","alias_value":"636VBIRKM4OC","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"636VBIRKM4OCY5LY","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"636VBIRK","created_at":"2026-05-18T12:31:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:636VBIRKM4OCY5LY3BDOGE4BGM","target":"record","payload":{"canonical_record":{"source":{"id":"1706.02673","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-06-08T16:44:01Z","cross_cats_sorted":[],"title_canon_sha256":"f197411b999cfaa9a892b38c51f7bf833bdbefba212fed356d0d41b535bfea52","abstract_canon_sha256":"408a272e0753e8292d070bce1c626a594d9493d6e6c6546f59871e9a0e967a08"},"schema_version":"1.0"},"canonical_sha256":"f6fd50a22a671c2c7578d846e31381333b59a3375a40427488f9cb3779d5a270","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:50.442286Z","signature_b64":"pvqnqy6oHRVULnkkETAhDELV8/fUnybXrKDDtLs5uVWUC7/lotVV/pvQ0umMW3xevy9rOsk+KrDlY4E20LWSDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f6fd50a22a671c2c7578d846e31381333b59a3375a40427488f9cb3779d5a270","last_reissued_at":"2026-05-18T00:37:50.441823Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:50.441823Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.02673","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":"2026-05-18T00:37:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PXAI2uvFSwEDoJKyeZ7qbsbHKbL4f1psAJLhFaGPITptG4PMGt8zPGvPQf6AhxONbDq+fy89DhWYzIIP96XsBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T16:45:04.265902Z"},"content_sha256":"9c9131bea7f46e65686b6ef187017e1c555468e9e0042bfd9bffb47a4229d6bf","schema_version":"1.0","event_id":"sha256:9c9131bea7f46e65686b6ef187017e1c555468e9e0042bfd9bffb47a4229d6bf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:636VBIRKM4OCY5LY3BDOGE4BGM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Emission-angle and polarization-rotation effects in the lensed CMB","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Alex Hall, Anthony Challinor, Antony Lewis","submitted_at":"2017-06-08T16:44:01Z","abstract_excerpt":"Lensing of the CMB is an important effect, and is usually modelled by remapping the unlensed CMB fields by a lensing deflection. However the lensing deflections also change the photon path so that the emission angle is no longer orthogonal to the background last-scattering surface. We give the first calculation of the emission-angle corrections to the standard lensing approximation from dipole (Doppler) sources for temperature and quadrupole sources for temperature and polarization. We show that while the corrections are negligible for the temperature and E-mode polarization, additional large-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.02673","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":"2026-05-18T00:37:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YQrhwdWd4DwEed4jJEsRK+nnqQq2n5yhMngJNdVoUHXwitynpbYtBGkmb8fazdVx93mOf8lUGJySkS/iTiiyCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T16:45:04.266251Z"},"content_sha256":"b3bb809277677c7d9f9278cca220c6596253b0cf998af24a149e15b77db6feca","schema_version":"1.0","event_id":"sha256:b3bb809277677c7d9f9278cca220c6596253b0cf998af24a149e15b77db6feca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/636VBIRKM4OCY5LY3BDOGE4BGM/bundle.json","state_url":"https://pith.science/pith/636VBIRKM4OCY5LY3BDOGE4BGM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/636VBIRKM4OCY5LY3BDOGE4BGM/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":"2026-06-06T16:45:04Z","links":{"resolver":"https://pith.science/pith/636VBIRKM4OCY5LY3BDOGE4BGM","bundle":"https://pith.science/pith/636VBIRKM4OCY5LY3BDOGE4BGM/bundle.json","state":"https://pith.science/pith/636VBIRKM4OCY5LY3BDOGE4BGM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/636VBIRKM4OCY5LY3BDOGE4BGM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:636VBIRKM4OCY5LY3BDOGE4BGM","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":"408a272e0753e8292d070bce1c626a594d9493d6e6c6546f59871e9a0e967a08","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-06-08T16:44:01Z","title_canon_sha256":"f197411b999cfaa9a892b38c51f7bf833bdbefba212fed356d0d41b535bfea52"},"schema_version":"1.0","source":{"id":"1706.02673","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.02673","created_at":"2026-05-18T00:37:50Z"},{"alias_kind":"arxiv_version","alias_value":"1706.02673v2","created_at":"2026-05-18T00:37:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.02673","created_at":"2026-05-18T00:37:50Z"},{"alias_kind":"pith_short_12","alias_value":"636VBIRKM4OC","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"636VBIRKM4OCY5LY","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"636VBIRK","created_at":"2026-05-18T12:31:03Z"}],"graph_snapshots":[{"event_id":"sha256:b3bb809277677c7d9f9278cca220c6596253b0cf998af24a149e15b77db6feca","target":"graph","created_at":"2026-05-18T00:37:50Z","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":"Lensing of the CMB is an important effect, and is usually modelled by remapping the unlensed CMB fields by a lensing deflection. However the lensing deflections also change the photon path so that the emission angle is no longer orthogonal to the background last-scattering surface. We give the first calculation of the emission-angle corrections to the standard lensing approximation from dipole (Doppler) sources for temperature and quadrupole sources for temperature and polarization. We show that while the corrections are negligible for the temperature and E-mode polarization, additional large-","authors_text":"Alex Hall, Anthony Challinor, Antony Lewis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-06-08T16:44:01Z","title":"Emission-angle and polarization-rotation effects in the lensed CMB"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.02673","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":"sha256:9c9131bea7f46e65686b6ef187017e1c555468e9e0042bfd9bffb47a4229d6bf","target":"record","created_at":"2026-05-18T00:37:50Z","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":"408a272e0753e8292d070bce1c626a594d9493d6e6c6546f59871e9a0e967a08","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-06-08T16:44:01Z","title_canon_sha256":"f197411b999cfaa9a892b38c51f7bf833bdbefba212fed356d0d41b535bfea52"},"schema_version":"1.0","source":{"id":"1706.02673","kind":"arxiv","version":2}},"canonical_sha256":"f6fd50a22a671c2c7578d846e31381333b59a3375a40427488f9cb3779d5a270","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f6fd50a22a671c2c7578d846e31381333b59a3375a40427488f9cb3779d5a270","first_computed_at":"2026-05-18T00:37:50.441823Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:50.441823Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pvqnqy6oHRVULnkkETAhDELV8/fUnybXrKDDtLs5uVWUC7/lotVV/pvQ0umMW3xevy9rOsk+KrDlY4E20LWSDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:50.442286Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.02673","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c9131bea7f46e65686b6ef187017e1c555468e9e0042bfd9bffb47a4229d6bf","sha256:b3bb809277677c7d9f9278cca220c6596253b0cf998af24a149e15b77db6feca"],"state_sha256":"0ccaf4eff18073f2e75c3919ea1b9f0e4abfeb283e3be7771b0eab8e3785dd5f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nc0GPGmsZq0loSX5GbT6wgwqims8gmWgTkXRFVOTBfrpubegL4IUUKDFsz9TXerN7g778AaUIPDAvAHVPje9Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T16:45:04.268442Z","bundle_sha256":"d5a25ebef920d271db69d52d7e5a8a1dca213ef7020b0612b8986b7ac872249c"}}