{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:7WD2YTB2ENZ72OEWKEZYFXCTFI","short_pith_number":"pith:7WD2YTB2","canonical_record":{"source":{"id":"1001.4555","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-01-26T02:38:16Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"87ffc9d28b13ee57bd702b135cc527549d7ceed732748f4750679cb9bf23950a","abstract_canon_sha256":"aafc2ac588ee407513a98255f02d97ecf09fb77582b96a32a860223e14b18bbb"},"schema_version":"1.0"},"canonical_sha256":"fd87ac4c3a2373fd3896513382dc532a33fb77e3e7d498ae934bb6ec40f8b2e5","source":{"kind":"arxiv","id":"1001.4555","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.4555","created_at":"2026-05-18T02:09:30Z"},{"alias_kind":"arxiv_version","alias_value":"1001.4555v3","created_at":"2026-05-18T02:09:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.4555","created_at":"2026-05-18T02:09:30Z"},{"alias_kind":"pith_short_12","alias_value":"7WD2YTB2ENZ7","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"7WD2YTB2ENZ72OEW","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"7WD2YTB2","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:7WD2YTB2ENZ72OEWKEZYFXCTFI","target":"record","payload":{"canonical_record":{"source":{"id":"1001.4555","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-01-26T02:38:16Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"87ffc9d28b13ee57bd702b135cc527549d7ceed732748f4750679cb9bf23950a","abstract_canon_sha256":"aafc2ac588ee407513a98255f02d97ecf09fb77582b96a32a860223e14b18bbb"},"schema_version":"1.0"},"canonical_sha256":"fd87ac4c3a2373fd3896513382dc532a33fb77e3e7d498ae934bb6ec40f8b2e5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:09:30.071913Z","signature_b64":"xUlBgVCHWE/qQpqAq6lMfJf1Trj9gUVe88//BD22QEq1yu26K09uogEfIKY2jJxWJOzz6wli7Gqj4l7qjXvJCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd87ac4c3a2373fd3896513382dc532a33fb77e3e7d498ae934bb6ec40f8b2e5","last_reissued_at":"2026-05-18T02:09:30.071126Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:09:30.071126Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1001.4555","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":"2026-05-18T02:09:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HdD72cym9F77QqdmVNUbckvObvEF8+jKKgtizxQSt0WHI1mw6PtKXsOd0q2zY9nyaV/hpMZZUtVe5VvgdXlRAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:32:43.446712Z"},"content_sha256":"ce7a1263aa6a202e8d9a9171169723df0ca2d3e2549af1fc70a36184de4b3c84","schema_version":"1.0","event_id":"sha256:ce7a1263aa6a202e8d9a9171169723df0ca2d3e2549af1fc70a36184de4b3c84"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:7WD2YTB2ENZ72OEWKEZYFXCTFI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Seven-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Galactic Foreground Emission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A. Kogut, B. Gold, C. L. Bennett, D. Larson, D. N. Spergel, E. Komatsu, E. L. Wright, E. Wollack, G. Hinshaw, G. S. Tucker, J. Dunkley, J. L. Weiland, K. M. Smith, L. Page, M. Halpern, M. Limon, M. R. Nolta, N. Jarosik, N. Odegard, R. S. Hill, S. S. Meyer, X. Chen","submitted_at":"2010-01-26T02:38:16Z","abstract_excerpt":"[Abridged] We present updated estimates of Galactic foreground emission using seven years of WMAP data. Using the power spectrum of differences between multi-frequency template-cleaned maps, we find no evidence for foreground contamination outside of the updated (KQ85y7) foreground mask. We place a 15 microKelvin upper bound on rms foreground contamination in the cleaned maps used for cosmological analysis. We find no indication in the polarization data of an extra \"haze\" of hard synchrotron emission from energetic electrons near the Galactic center. We provide an updated map of the cosmic mic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.4555","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":"2026-05-18T02:09:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CIh15Cgie246AqkNWC5GIfp3cLlXeMZGqpMkBt/FZ5FKZmH2cExAYzEnN6MP5MI5cOGulHGE889TFoVGA140CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:32:43.447109Z"},"content_sha256":"06465c27a460d15f79c9c5d10c5fc2fae5907ab23a170128e528570f2ed5e13a","schema_version":"1.0","event_id":"sha256:06465c27a460d15f79c9c5d10c5fc2fae5907ab23a170128e528570f2ed5e13a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7WD2YTB2ENZ72OEWKEZYFXCTFI/bundle.json","state_url":"https://pith.science/pith/7WD2YTB2ENZ72OEWKEZYFXCTFI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7WD2YTB2ENZ72OEWKEZYFXCTFI/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":"2026-05-25T21:32:43Z","links":{"resolver":"https://pith.science/pith/7WD2YTB2ENZ72OEWKEZYFXCTFI","bundle":"https://pith.science/pith/7WD2YTB2ENZ72OEWKEZYFXCTFI/bundle.json","state":"https://pith.science/pith/7WD2YTB2ENZ72OEWKEZYFXCTFI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7WD2YTB2ENZ72OEWKEZYFXCTFI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:7WD2YTB2ENZ72OEWKEZYFXCTFI","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":"aafc2ac588ee407513a98255f02d97ecf09fb77582b96a32a860223e14b18bbb","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-01-26T02:38:16Z","title_canon_sha256":"87ffc9d28b13ee57bd702b135cc527549d7ceed732748f4750679cb9bf23950a"},"schema_version":"1.0","source":{"id":"1001.4555","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.4555","created_at":"2026-05-18T02:09:30Z"},{"alias_kind":"arxiv_version","alias_value":"1001.4555v3","created_at":"2026-05-18T02:09:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.4555","created_at":"2026-05-18T02:09:30Z"},{"alias_kind":"pith_short_12","alias_value":"7WD2YTB2ENZ7","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"7WD2YTB2ENZ72OEW","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"7WD2YTB2","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:06465c27a460d15f79c9c5d10c5fc2fae5907ab23a170128e528570f2ed5e13a","target":"graph","created_at":"2026-05-18T02:09:30Z","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":"[Abridged] We present updated estimates of Galactic foreground emission using seven years of WMAP data. Using the power spectrum of differences between multi-frequency template-cleaned maps, we find no evidence for foreground contamination outside of the updated (KQ85y7) foreground mask. We place a 15 microKelvin upper bound on rms foreground contamination in the cleaned maps used for cosmological analysis. We find no indication in the polarization data of an extra \"haze\" of hard synchrotron emission from energetic electrons near the Galactic center. We provide an updated map of the cosmic mic","authors_text":"A. Kogut, B. Gold, C. L. Bennett, D. Larson, D. N. Spergel, E. Komatsu, E. L. Wright, E. Wollack, G. Hinshaw, G. S. Tucker, J. Dunkley, J. L. Weiland, K. M. Smith, L. Page, M. Halpern, M. Limon, M. R. Nolta, N. Jarosik, N. Odegard, R. S. Hill, S. S. Meyer, X. Chen","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-01-26T02:38:16Z","title":"Seven-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Galactic Foreground Emission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.4555","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:ce7a1263aa6a202e8d9a9171169723df0ca2d3e2549af1fc70a36184de4b3c84","target":"record","created_at":"2026-05-18T02:09:30Z","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":"aafc2ac588ee407513a98255f02d97ecf09fb77582b96a32a860223e14b18bbb","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-01-26T02:38:16Z","title_canon_sha256":"87ffc9d28b13ee57bd702b135cc527549d7ceed732748f4750679cb9bf23950a"},"schema_version":"1.0","source":{"id":"1001.4555","kind":"arxiv","version":3}},"canonical_sha256":"fd87ac4c3a2373fd3896513382dc532a33fb77e3e7d498ae934bb6ec40f8b2e5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fd87ac4c3a2373fd3896513382dc532a33fb77e3e7d498ae934bb6ec40f8b2e5","first_computed_at":"2026-05-18T02:09:30.071126Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:09:30.071126Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xUlBgVCHWE/qQpqAq6lMfJf1Trj9gUVe88//BD22QEq1yu26K09uogEfIKY2jJxWJOzz6wli7Gqj4l7qjXvJCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:09:30.071913Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.4555","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ce7a1263aa6a202e8d9a9171169723df0ca2d3e2549af1fc70a36184de4b3c84","sha256:06465c27a460d15f79c9c5d10c5fc2fae5907ab23a170128e528570f2ed5e13a"],"state_sha256":"eab7052409802924e23ba588a7dc1ce2a275f408e1198a17b248eeb4f43b0398"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UYvpBnQ3lZkr5VTw9Up4HxvqyGajP3TpQQXUE9F2vRtMM/IH5RRvu9ZrNsuKqqdaiEVzNTsJo+ZG6D3d9QxtCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:32:43.449946Z","bundle_sha256":"d3cced8fcc66480b51e2908f5a0a6532c5ce623c92e6629b40f2d648143e11ef"}}