{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:ZLIOYR7QH43K7MXFPTMQMJ5CS5","short_pith_number":"pith:ZLIOYR7Q","canonical_record":{"source":{"id":"astro-ph/0311491","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-11-20T21:25:45Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"c890bf78de569c96ca94ab74e9618573f550213621e4226adcfa09b0749d1a13","abstract_canon_sha256":"f21edf5991e69d9cb3a1eb687aba11d9726aa95e9cf0bb507ad1d14f56e5bca8"},"schema_version":"1.0"},"canonical_sha256":"cad0ec47f03f36afb2e57cd90627a29741256aa53ff23f36536640e0031652eb","source":{"kind":"arxiv","id":"astro-ph/0311491","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0311491","created_at":"2026-07-04T16:37:52Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0311491v2","created_at":"2026-07-04T16:37:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0311491","created_at":"2026-07-04T16:37:52Z"},{"alias_kind":"pith_short_12","alias_value":"ZLIOYR7QH43K","created_at":"2026-07-04T16:37:52Z"},{"alias_kind":"pith_short_16","alias_value":"ZLIOYR7QH43K7MXF","created_at":"2026-07-04T16:37:52Z"},{"alias_kind":"pith_short_8","alias_value":"ZLIOYR7Q","created_at":"2026-07-04T16:37:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:ZLIOYR7QH43K7MXFPTMQMJ5CS5","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0311491","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-11-20T21:25:45Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"c890bf78de569c96ca94ab74e9618573f550213621e4226adcfa09b0749d1a13","abstract_canon_sha256":"f21edf5991e69d9cb3a1eb687aba11d9726aa95e9cf0bb507ad1d14f56e5bca8"},"schema_version":"1.0"},"canonical_sha256":"cad0ec47f03f36afb2e57cd90627a29741256aa53ff23f36536640e0031652eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:37:52.035386Z","signature_b64":"FpwHiNe9Quh4oyroSgco/i6PHPKquGI2nTysU+pBXpIqxp6cyku1l0jgBf2s3u5UNJFumgpVyi8DVtyIDN5ICA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cad0ec47f03f36afb2e57cd90627a29741256aa53ff23f36536640e0031652eb","last_reissued_at":"2026-07-04T16:37:52.034826Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:37:52.034826Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0311491","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":"2026-07-04T16:37:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R1qOYLbqOjZKNmJuYE9xrGtkKiJUhlr7LA1AUPdU22RIeAe+v++MPc7ZKo0AE1Gw+KLGNl49r3kzz3rnMOD3Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T07:43:54.267533Z"},"content_sha256":"629102f03e1bd883191ad2de68b0b95a2ca0d9c3e7a1ec8d6611994f7d1bcce7","schema_version":"1.0","event_id":"sha256:629102f03e1bd883191ad2de68b0b95a2ca0d9c3e7a1ec8d6611994f7d1bcce7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:ZLIOYR7QH43K7MXFPTMQMJ5CS5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reconstructing the primordial power spectrum - a new algorithm","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"Nordita), Steen Hannestad (SDU","submitted_at":"2003-11-20T21:25:45Z","abstract_excerpt":"We propose an efficient and model independent method for reconstructing the primordial power spectrum from Cosmic Microwave Background (CMB) and large scale structure observations. The algorithm is based on a Monte Carlo principle and therefore very simple to incorporate into existing codes such as Markov Chain Monte Carlo. The algorithm has been used on present cosmological data to test for features in the primordial power spectrum. No significant evidence for features is found, although there is a slight preference for an overall bending of the spectrum, as well as a decrease in power at ver"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0311491","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/0311491/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":"2026-07-04T16:37:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EoBq5UFX/WGLKhT5year7X6mxMfXUjBm7/WZN7rRSSsVcykLVDVKSER9tYgBAmwrlYJtUO73zyoFdyQsMqz4AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T07:43:54.268047Z"},"content_sha256":"e0673ea591a360d1dc71ccd1f45ba701d5eca61d332d11e16b0755ea1054f7c1","schema_version":"1.0","event_id":"sha256:e0673ea591a360d1dc71ccd1f45ba701d5eca61d332d11e16b0755ea1054f7c1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZLIOYR7QH43K7MXFPTMQMJ5CS5/bundle.json","state_url":"https://pith.science/pith/ZLIOYR7QH43K7MXFPTMQMJ5CS5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZLIOYR7QH43K7MXFPTMQMJ5CS5/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":"2026-08-15T07:43:54Z","links":{"resolver":"https://pith.science/pith/ZLIOYR7QH43K7MXFPTMQMJ5CS5","bundle":"https://pith.science/pith/ZLIOYR7QH43K7MXFPTMQMJ5CS5/bundle.json","state":"https://pith.science/pith/ZLIOYR7QH43K7MXFPTMQMJ5CS5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZLIOYR7QH43K7MXFPTMQMJ5CS5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:ZLIOYR7QH43K7MXFPTMQMJ5CS5","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":"f21edf5991e69d9cb3a1eb687aba11d9726aa95e9cf0bb507ad1d14f56e5bca8","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"2003-11-20T21:25:45Z","title_canon_sha256":"c890bf78de569c96ca94ab74e9618573f550213621e4226adcfa09b0749d1a13"},"schema_version":"1.0","source":{"id":"astro-ph/0311491","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0311491","created_at":"2026-07-04T16:37:52Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0311491v2","created_at":"2026-07-04T16:37:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0311491","created_at":"2026-07-04T16:37:52Z"},{"alias_kind":"pith_short_12","alias_value":"ZLIOYR7QH43K","created_at":"2026-07-04T16:37:52Z"},{"alias_kind":"pith_short_16","alias_value":"ZLIOYR7QH43K7MXF","created_at":"2026-07-04T16:37:52Z"},{"alias_kind":"pith_short_8","alias_value":"ZLIOYR7Q","created_at":"2026-07-04T16:37:52Z"}],"graph_snapshots":[{"event_id":"sha256:e0673ea591a360d1dc71ccd1f45ba701d5eca61d332d11e16b0755ea1054f7c1","target":"graph","created_at":"2026-07-04T16:37:52Z","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/0311491/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose an efficient and model independent method for reconstructing the primordial power spectrum from Cosmic Microwave Background (CMB) and large scale structure observations. The algorithm is based on a Monte Carlo principle and therefore very simple to incorporate into existing codes such as Markov Chain Monte Carlo. The algorithm has been used on present cosmological data to test for features in the primordial power spectrum. No significant evidence for features is found, although there is a slight preference for an overall bending of the spectrum, as well as a decrease in power at ver","authors_text":"Nordita), Steen Hannestad (SDU","cross_cats":["hep-ph"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-11-20T21:25:45Z","title":"Reconstructing the primordial power spectrum - a new algorithm"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0311491","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":"sha256:629102f03e1bd883191ad2de68b0b95a2ca0d9c3e7a1ec8d6611994f7d1bcce7","target":"record","created_at":"2026-07-04T16:37:52Z","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":"f21edf5991e69d9cb3a1eb687aba11d9726aa95e9cf0bb507ad1d14f56e5bca8","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"2003-11-20T21:25:45Z","title_canon_sha256":"c890bf78de569c96ca94ab74e9618573f550213621e4226adcfa09b0749d1a13"},"schema_version":"1.0","source":{"id":"astro-ph/0311491","kind":"arxiv","version":2}},"canonical_sha256":"cad0ec47f03f36afb2e57cd90627a29741256aa53ff23f36536640e0031652eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cad0ec47f03f36afb2e57cd90627a29741256aa53ff23f36536640e0031652eb","first_computed_at":"2026-07-04T16:37:52.034826Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:37:52.034826Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FpwHiNe9Quh4oyroSgco/i6PHPKquGI2nTysU+pBXpIqxp6cyku1l0jgBf2s3u5UNJFumgpVyi8DVtyIDN5ICA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:37:52.035386Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0311491","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:629102f03e1bd883191ad2de68b0b95a2ca0d9c3e7a1ec8d6611994f7d1bcce7","sha256:e0673ea591a360d1dc71ccd1f45ba701d5eca61d332d11e16b0755ea1054f7c1"],"state_sha256":"e96ab0c623d0e53ac61df90946e2d272e6551ed5b5dedb1e72437ac09c8d9e6f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IItsljYKHsYZr3kLCqVswNb4D+BGsLN99XW5F3Kvy9HP6h2n6Qol3K0U4CPD+eexhTtNIS0j2Wqy2+5+WowqAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T07:43:54.271767Z","bundle_sha256":"60fd7984504b225a7682c1aaaf4a3e456b949ad5dd8f01d712ba66b13d557e80"}}