{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:ZBZXLXOSV4KZINDHUWD2TIH4W3","short_pith_number":"pith:ZBZXLXOS","canonical_record":{"source":{"id":"astro-ph/9902047","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1999-02-03T01:53:10Z","cross_cats_sorted":[],"title_canon_sha256":"5aff1743abe5d448e98cc2f3997bd4e3a0e4ac62a2e3d25210d4793a60affd30","abstract_canon_sha256":"9f9a44d6ef6883980e25575d85729402b18b70ec877eebf65728cb5c805bd42f"},"schema_version":"1.0"},"canonical_sha256":"c87375ddd2af15943467a587a9a0fcb6e505f3dacf15fee02accf49e7d3d506e","source":{"kind":"arxiv","id":"astro-ph/9902047","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9902047","created_at":"2026-07-04T16:10:40Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9902047v1","created_at":"2026-07-04T16:10:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9902047","created_at":"2026-07-04T16:10:40Z"},{"alias_kind":"pith_short_12","alias_value":"ZBZXLXOSV4KZ","created_at":"2026-07-04T16:10:40Z"},{"alias_kind":"pith_short_16","alias_value":"ZBZXLXOSV4KZINDH","created_at":"2026-07-04T16:10:40Z"},{"alias_kind":"pith_short_8","alias_value":"ZBZXLXOS","created_at":"2026-07-04T16:10:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:ZBZXLXOSV4KZINDHUWD2TIH4W3","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9902047","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1999-02-03T01:53:10Z","cross_cats_sorted":[],"title_canon_sha256":"5aff1743abe5d448e98cc2f3997bd4e3a0e4ac62a2e3d25210d4793a60affd30","abstract_canon_sha256":"9f9a44d6ef6883980e25575d85729402b18b70ec877eebf65728cb5c805bd42f"},"schema_version":"1.0"},"canonical_sha256":"c87375ddd2af15943467a587a9a0fcb6e505f3dacf15fee02accf49e7d3d506e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:10:40.762359Z","signature_b64":"H44tNwiOdUBISlHIHQ7syn5+gYDrJ8mxKkp/Jz0hY1QN5aLaLZ3CUb+AOrK+nCyKfKbCxtrDj+9CdSkjQs+EDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c87375ddd2af15943467a587a9a0fcb6e505f3dacf15fee02accf49e7d3d506e","last_reissued_at":"2026-07-04T16:10:40.761974Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:10:40.761974Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9902047","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":"2026-07-04T16:10:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dzGFP9XxdV/rpcWq55xQ0RRTSn8CnJuz6oVO5ZQ59aRsLQ9bNpPathvaDPgsmiWt7cB+Nv8AwCTlO8GuNbLaBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T10:35:51.757673Z"},"content_sha256":"74b94534bb6c5b78ede8e717fa6ef9520710ef102737f08f4573b84e0864ee33","schema_version":"1.0","event_id":"sha256:74b94534bb6c5b78ede8e717fa6ef9520710ef102737f08f4573b84e0864ee33"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:ZBZXLXOSV4KZINDHUWD2TIH4W3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New CMB Power Spectrum Constraints from MSAMI","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A.B. Goldin, C.A. Inman, D.A. Cottingham, D.J. Fixsen, E.S. Cheng, G.W. Wilson, J.E. Ruhl, J.L. Puchalla, K. Coble, L.A. Page, L. Knox, M.S. Kowitt, R.F. Silverberg, S. Dodelson, S.S. Meyer","submitted_at":"1999-02-03T01:53:10Z","abstract_excerpt":"We present new cosmic microwave background (CMB) anisotropy results from the combined analysis of the three flights of the first Medium Scale Anisotropy Measurement (MSAM1). This balloon-borne bolometric instrument measured about 10 square degrees of sky at half-degree resolution in 4 frequency bands from 5.2 icm to 20 icm with a high signal-to-noise ratio. Here we present an overview of our analysis methods, compare the results from the three flights, derive new constraints on the CMB power spectrum from the combined data and reduce the data to total-power Wiener-filtered maps of the CMB. A k"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9902047","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/astro-ph/9902047/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":"2026-07-04T16:10:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qb6Gq1I5vwNIvXWW3ly+t3k+Y+znMjyt21OC42vyHFdb76KQT2ia6AfKG6Z0M76XQqGPVrYkLQJhLT2kZ59ZDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T10:35:51.758209Z"},"content_sha256":"f77b163b675a4c0aefc61e4f37f8c7380954f9a46635af49ba720c6b0b98030d","schema_version":"1.0","event_id":"sha256:f77b163b675a4c0aefc61e4f37f8c7380954f9a46635af49ba720c6b0b98030d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZBZXLXOSV4KZINDHUWD2TIH4W3/bundle.json","state_url":"https://pith.science/pith/ZBZXLXOSV4KZINDHUWD2TIH4W3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZBZXLXOSV4KZINDHUWD2TIH4W3/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":"2026-08-05T10:35:51Z","links":{"resolver":"https://pith.science/pith/ZBZXLXOSV4KZINDHUWD2TIH4W3","bundle":"https://pith.science/pith/ZBZXLXOSV4KZINDHUWD2TIH4W3/bundle.json","state":"https://pith.science/pith/ZBZXLXOSV4KZINDHUWD2TIH4W3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZBZXLXOSV4KZINDHUWD2TIH4W3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:ZBZXLXOSV4KZINDHUWD2TIH4W3","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":"9f9a44d6ef6883980e25575d85729402b18b70ec877eebf65728cb5c805bd42f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1999-02-03T01:53:10Z","title_canon_sha256":"5aff1743abe5d448e98cc2f3997bd4e3a0e4ac62a2e3d25210d4793a60affd30"},"schema_version":"1.0","source":{"id":"astro-ph/9902047","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9902047","created_at":"2026-07-04T16:10:40Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9902047v1","created_at":"2026-07-04T16:10:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9902047","created_at":"2026-07-04T16:10:40Z"},{"alias_kind":"pith_short_12","alias_value":"ZBZXLXOSV4KZ","created_at":"2026-07-04T16:10:40Z"},{"alias_kind":"pith_short_16","alias_value":"ZBZXLXOSV4KZINDH","created_at":"2026-07-04T16:10:40Z"},{"alias_kind":"pith_short_8","alias_value":"ZBZXLXOS","created_at":"2026-07-04T16:10:40Z"}],"graph_snapshots":[{"event_id":"sha256:f77b163b675a4c0aefc61e4f37f8c7380954f9a46635af49ba720c6b0b98030d","target":"graph","created_at":"2026-07-04T16:10:40Z","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/astro-ph/9902047/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present new cosmic microwave background (CMB) anisotropy results from the combined analysis of the three flights of the first Medium Scale Anisotropy Measurement (MSAM1). This balloon-borne bolometric instrument measured about 10 square degrees of sky at half-degree resolution in 4 frequency bands from 5.2 icm to 20 icm with a high signal-to-noise ratio. Here we present an overview of our analysis methods, compare the results from the three flights, derive new constraints on the CMB power spectrum from the combined data and reduce the data to total-power Wiener-filtered maps of the CMB. A k","authors_text":"A.B. Goldin, C.A. Inman, D.A. Cottingham, D.J. Fixsen, E.S. Cheng, G.W. Wilson, J.E. Ruhl, J.L. Puchalla, K. Coble, L.A. Page, L. Knox, M.S. Kowitt, R.F. Silverberg, S. Dodelson, S.S. Meyer","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1999-02-03T01:53:10Z","title":"New CMB Power Spectrum Constraints from MSAMI"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9902047","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":"sha256:74b94534bb6c5b78ede8e717fa6ef9520710ef102737f08f4573b84e0864ee33","target":"record","created_at":"2026-07-04T16:10:40Z","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":"9f9a44d6ef6883980e25575d85729402b18b70ec877eebf65728cb5c805bd42f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1999-02-03T01:53:10Z","title_canon_sha256":"5aff1743abe5d448e98cc2f3997bd4e3a0e4ac62a2e3d25210d4793a60affd30"},"schema_version":"1.0","source":{"id":"astro-ph/9902047","kind":"arxiv","version":1}},"canonical_sha256":"c87375ddd2af15943467a587a9a0fcb6e505f3dacf15fee02accf49e7d3d506e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c87375ddd2af15943467a587a9a0fcb6e505f3dacf15fee02accf49e7d3d506e","first_computed_at":"2026-07-04T16:10:40.761974Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:10:40.761974Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"H44tNwiOdUBISlHIHQ7syn5+gYDrJ8mxKkp/Jz0hY1QN5aLaLZ3CUb+AOrK+nCyKfKbCxtrDj+9CdSkjQs+EDQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:10:40.762359Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9902047","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:74b94534bb6c5b78ede8e717fa6ef9520710ef102737f08f4573b84e0864ee33","sha256:f77b163b675a4c0aefc61e4f37f8c7380954f9a46635af49ba720c6b0b98030d"],"state_sha256":"7ea6844c9ffed65a76184fb5c4a2236d0e5c8c8d6a8c4f43f621f63ea0d4262e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oZqBJciP/Sbc4fK3Q6Gky14Jmf5Ftts7rfA5IWdX/Sr87CPVNnPRovt5FDpM+ZhZIRfMdmGzgWj7m/9WeVVCBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T10:35:51.763139Z","bundle_sha256":"835c95a6e5c1546ad8429057fef551f2865b48c5c41692d9b22a27f54f5ee5a7"}}