{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:HMG4B7JFYPWB3POL7AY2MED5JT","short_pith_number":"pith:HMG4B7JF","canonical_record":{"source":{"id":"astro-ph/0011351","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-11-19T19:22:49Z","cross_cats_sorted":[],"title_canon_sha256":"347d93b72264fdac84ef1cdcc3146d3dbb89ef691028e74cb400f8ea74479ba5","abstract_canon_sha256":"731fb651d94147940f05e1bbefad4d4915420e812e66debf206703db07eb8db6"},"schema_version":"1.0"},"canonical_sha256":"3b0dc0fd25c3ec1dbdcbf831a6107d4cf3c3d55ae8a954fbfd5000ad149647ea","source":{"kind":"arxiv","id":"astro-ph/0011351","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0011351","created_at":"2026-07-04T16:17:38Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0011351v2","created_at":"2026-07-04T16:17:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0011351","created_at":"2026-07-04T16:17:38Z"},{"alias_kind":"pith_short_12","alias_value":"HMG4B7JFYPWB","created_at":"2026-07-04T16:17:38Z"},{"alias_kind":"pith_short_16","alias_value":"HMG4B7JFYPWB3POL","created_at":"2026-07-04T16:17:38Z"},{"alias_kind":"pith_short_8","alias_value":"HMG4B7JF","created_at":"2026-07-04T16:17:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:HMG4B7JFYPWB3POL7AY2MED5JT","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0011351","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-11-19T19:22:49Z","cross_cats_sorted":[],"title_canon_sha256":"347d93b72264fdac84ef1cdcc3146d3dbb89ef691028e74cb400f8ea74479ba5","abstract_canon_sha256":"731fb651d94147940f05e1bbefad4d4915420e812e66debf206703db07eb8db6"},"schema_version":"1.0"},"canonical_sha256":"3b0dc0fd25c3ec1dbdcbf831a6107d4cf3c3d55ae8a954fbfd5000ad149647ea","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:17:38.247066Z","signature_b64":"gWHns4hME4ulMcukrDgxy76Zg8XuM4ewC57ZUnyaoNlvCsuTlbh1QGk/MeNzciedQJLSZo++TUkNc2TUdB6LCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3b0dc0fd25c3ec1dbdcbf831a6107d4cf3c3d55ae8a954fbfd5000ad149647ea","last_reissued_at":"2026-07-04T16:17:38.246646Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:17:38.246646Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0011351","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":"2026-07-04T16:17:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"16QeQpnSGCaHhbuZbA0j+b9StKKNR62lNfI70XZFO2p6pJkMMg0bBFpVhHhxa66zVpJDPNJBuYowwy2ztcMGAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T09:32:32.165850Z"},"content_sha256":"56c6b778364e5839039d5ab70f0b0426cf759311257fb3bc744919ce408e3a4b","schema_version":"1.0","event_id":"sha256:56c6b778364e5839039d5ab70f0b0426cf759311257fb3bc744919ce408e3a4b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:HMG4B7JFYPWB3POL7AY2MED5JT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Model Independent Primordial Power Spectrum from Maxima, Boomerang, and DASI Data","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"& Grant J. Mathews, Yun Wang","submitted_at":"2000-11-19T19:22:49Z","abstract_excerpt":"A model-independent determination of the primordial power spectrum of matter density fluctuations could uniquely probe physics of the very early universe, and provide powerful constraints on inflationary models. We parametrize the primordial power spectrum $A_s^2(k)$ as an arbitrary function, and deduce its binned amplitude from the cosmic microwave background radiation anisotropy (CMB) measurements of Maxima, Boomerang, and DASI. We find that for a flat universe with $A_s^2(k)=1$ (scale-invariant) for scales $k<0.001 $h/Mpc, the primordial power spectrum is marginally consistent with a scale-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0011351","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/astro-ph/0011351/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":"2026-07-04T16:17:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DvPrnz6+FY5yqUs+gIujQFl7s4udJ3NY9cSncjblkkhRZuaaZOTkkYRKcQIL+fDR6+hRxxADiOYFd3Sa7fCmDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T09:32:32.166395Z"},"content_sha256":"68ec6481afd9aaf251f51a651dd2ad338f463dc9a94b292af1a944037ad39ace","schema_version":"1.0","event_id":"sha256:68ec6481afd9aaf251f51a651dd2ad338f463dc9a94b292af1a944037ad39ace"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HMG4B7JFYPWB3POL7AY2MED5JT/bundle.json","state_url":"https://pith.science/pith/HMG4B7JFYPWB3POL7AY2MED5JT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HMG4B7JFYPWB3POL7AY2MED5JT/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":"2026-08-10T09:32:32Z","links":{"resolver":"https://pith.science/pith/HMG4B7JFYPWB3POL7AY2MED5JT","bundle":"https://pith.science/pith/HMG4B7JFYPWB3POL7AY2MED5JT/bundle.json","state":"https://pith.science/pith/HMG4B7JFYPWB3POL7AY2MED5JT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HMG4B7JFYPWB3POL7AY2MED5JT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:HMG4B7JFYPWB3POL7AY2MED5JT","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":"731fb651d94147940f05e1bbefad4d4915420e812e66debf206703db07eb8db6","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-11-19T19:22:49Z","title_canon_sha256":"347d93b72264fdac84ef1cdcc3146d3dbb89ef691028e74cb400f8ea74479ba5"},"schema_version":"1.0","source":{"id":"astro-ph/0011351","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0011351","created_at":"2026-07-04T16:17:38Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0011351v2","created_at":"2026-07-04T16:17:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0011351","created_at":"2026-07-04T16:17:38Z"},{"alias_kind":"pith_short_12","alias_value":"HMG4B7JFYPWB","created_at":"2026-07-04T16:17:38Z"},{"alias_kind":"pith_short_16","alias_value":"HMG4B7JFYPWB3POL","created_at":"2026-07-04T16:17:38Z"},{"alias_kind":"pith_short_8","alias_value":"HMG4B7JF","created_at":"2026-07-04T16:17:38Z"}],"graph_snapshots":[{"event_id":"sha256:68ec6481afd9aaf251f51a651dd2ad338f463dc9a94b292af1a944037ad39ace","target":"graph","created_at":"2026-07-04T16:17:38Z","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/0011351/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A model-independent determination of the primordial power spectrum of matter density fluctuations could uniquely probe physics of the very early universe, and provide powerful constraints on inflationary models. We parametrize the primordial power spectrum $A_s^2(k)$ as an arbitrary function, and deduce its binned amplitude from the cosmic microwave background radiation anisotropy (CMB) measurements of Maxima, Boomerang, and DASI. We find that for a flat universe with $A_s^2(k)=1$ (scale-invariant) for scales $k<0.001 $h/Mpc, the primordial power spectrum is marginally consistent with a scale-","authors_text":"& Grant J. Mathews, Yun Wang","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2000-11-19T19:22:49Z","title":"Model Independent Primordial Power Spectrum from Maxima, Boomerang, and DASI Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0011351","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":"sha256:56c6b778364e5839039d5ab70f0b0426cf759311257fb3bc744919ce408e3a4b","target":"record","created_at":"2026-07-04T16:17:38Z","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":"731fb651d94147940f05e1bbefad4d4915420e812e66debf206703db07eb8db6","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-11-19T19:22:49Z","title_canon_sha256":"347d93b72264fdac84ef1cdcc3146d3dbb89ef691028e74cb400f8ea74479ba5"},"schema_version":"1.0","source":{"id":"astro-ph/0011351","kind":"arxiv","version":2}},"canonical_sha256":"3b0dc0fd25c3ec1dbdcbf831a6107d4cf3c3d55ae8a954fbfd5000ad149647ea","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3b0dc0fd25c3ec1dbdcbf831a6107d4cf3c3d55ae8a954fbfd5000ad149647ea","first_computed_at":"2026-07-04T16:17:38.246646Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:17:38.246646Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gWHns4hME4ulMcukrDgxy76Zg8XuM4ewC57ZUnyaoNlvCsuTlbh1QGk/MeNzciedQJLSZo++TUkNc2TUdB6LCw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:17:38.247066Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0011351","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:56c6b778364e5839039d5ab70f0b0426cf759311257fb3bc744919ce408e3a4b","sha256:68ec6481afd9aaf251f51a651dd2ad338f463dc9a94b292af1a944037ad39ace"],"state_sha256":"62ddd44af3b9c2a87989c6024332f51a3d37ce7589c07d83ec39858cc6e79752"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ihys8NER/u9hUEGIuvlkGsgQSA7kNI+KlJmIc2IzEmjHWsANwJ0d9rdPnwxFW1BJpHI/nu5vzg+t+FWyrcedAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T09:32:32.170745Z","bundle_sha256":"06c51a2254221fceb9d5d885d11da1a26c0190ce20fcc6b5887854896d3b6bdc"}}