{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:BZPHL35QCFYBSZQMKRWCBLDBMP","short_pith_number":"pith:BZPHL35Q","canonical_record":{"source":{"id":"1406.4827","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-06-18T18:26:00Z","cross_cats_sorted":["hep-th","physics.data-an"],"title_canon_sha256":"df1dc8f9848a77f96a70d39c83751b28aded7653470eed6584e9a70cadc87cc5","abstract_canon_sha256":"02694bd3ed18759d46b28f988f730373374de761402fd7df1bcb5f2824bafaa3"},"schema_version":"1.0"},"canonical_sha256":"0e5e75efb0117019660c546c20ac6163c769f18f8b8356a02f99d398f857886a","source":{"kind":"arxiv","id":"1406.4827","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.4827","created_at":"2026-05-18T02:31:02Z"},{"alias_kind":"arxiv_version","alias_value":"1406.4827v2","created_at":"2026-05-18T02:31:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.4827","created_at":"2026-05-18T02:31:02Z"},{"alias_kind":"pith_short_12","alias_value":"BZPHL35QCFYB","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BZPHL35QCFYBSZQM","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BZPHL35Q","created_at":"2026-05-18T12:28:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:BZPHL35QCFYBSZQMKRWCBLDBMP","target":"record","payload":{"canonical_record":{"source":{"id":"1406.4827","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-06-18T18:26:00Z","cross_cats_sorted":["hep-th","physics.data-an"],"title_canon_sha256":"df1dc8f9848a77f96a70d39c83751b28aded7653470eed6584e9a70cadc87cc5","abstract_canon_sha256":"02694bd3ed18759d46b28f988f730373374de761402fd7df1bcb5f2824bafaa3"},"schema_version":"1.0"},"canonical_sha256":"0e5e75efb0117019660c546c20ac6163c769f18f8b8356a02f99d398f857886a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:31:02.204623Z","signature_b64":"v5pLQojDMkt/Tc83A9llX4b5qy/7uyp8yUkNfbzIaFvE7ZaEdDfTMqmzb+dfp34yQyIOzrMXOM+M3JdY2D+eCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0e5e75efb0117019660c546c20ac6163c769f18f8b8356a02f99d398f857886a","last_reissued_at":"2026-05-18T02:31:02.204231Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:31:02.204231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.4827","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":"2026-05-18T02:31:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IwMv0oYpAdr4CvNir8TBJb6g8SNgJSez0ScKd/YZQqqQ/n/cBGXV/kTqT6FaCv/kQ8DBW6kxJqFP3iehtp+DCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:24:25.293192Z"},"content_sha256":"d3333e7a47951aea32421d07d68ef8ff6966cbc43171ee659c13a6bb13008bef","schema_version":"1.0","event_id":"sha256:d3333e7a47951aea32421d07d68ef8ff6966cbc43171ee659c13a6bb13008bef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:BZPHL35QCFYBSZQMKRWCBLDBMP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Primordial power spectrum from Planck","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","physics.data-an"],"primary_cat":"astro-ph.CO","authors_text":"Arman Shafieloo, Dhiraj Kumar Hazra, Tarun Souradeep","submitted_at":"2014-06-18T18:26:00Z","abstract_excerpt":"Using modified Richardson-Lucy algorithm we reconstruct the primordial power spectrum (PPS) from Planck Cosmic Microwave Background (CMB) temperature anisotropy data. In our analysis we use different combinations of angular power spectra from Planck to reconstruct the shape of the primordial power spectrum and locate possible features. Performing an extensive error analysis we found the dip near $\\ell\\sim750-850$ represents the most prominent feature in the data. Feature near $\\ell\\sim1800-2000$ is detectable with high confidence only in 217 GHz spectrum and is apparently consequence of a smal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.4827","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":"2026-05-18T02:31:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1bgXbAxSxrpgW/RwVIygAPBmAN0Znkv3sryJvZgDN2obbF2HeeDMG7y60/B6XaIa5QvvUjfYXNhXnOFBRN6rDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:24:25.293594Z"},"content_sha256":"ad4d9676c096f29d628144a7fc77ca39d2b449e4313024cbed4a776d2026d873","schema_version":"1.0","event_id":"sha256:ad4d9676c096f29d628144a7fc77ca39d2b449e4313024cbed4a776d2026d873"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BZPHL35QCFYBSZQMKRWCBLDBMP/bundle.json","state_url":"https://pith.science/pith/BZPHL35QCFYBSZQMKRWCBLDBMP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BZPHL35QCFYBSZQMKRWCBLDBMP/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":"2026-05-30T08:24:25Z","links":{"resolver":"https://pith.science/pith/BZPHL35QCFYBSZQMKRWCBLDBMP","bundle":"https://pith.science/pith/BZPHL35QCFYBSZQMKRWCBLDBMP/bundle.json","state":"https://pith.science/pith/BZPHL35QCFYBSZQMKRWCBLDBMP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BZPHL35QCFYBSZQMKRWCBLDBMP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:BZPHL35QCFYBSZQMKRWCBLDBMP","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":"02694bd3ed18759d46b28f988f730373374de761402fd7df1bcb5f2824bafaa3","cross_cats_sorted":["hep-th","physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-06-18T18:26:00Z","title_canon_sha256":"df1dc8f9848a77f96a70d39c83751b28aded7653470eed6584e9a70cadc87cc5"},"schema_version":"1.0","source":{"id":"1406.4827","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.4827","created_at":"2026-05-18T02:31:02Z"},{"alias_kind":"arxiv_version","alias_value":"1406.4827v2","created_at":"2026-05-18T02:31:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.4827","created_at":"2026-05-18T02:31:02Z"},{"alias_kind":"pith_short_12","alias_value":"BZPHL35QCFYB","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BZPHL35QCFYBSZQM","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BZPHL35Q","created_at":"2026-05-18T12:28:22Z"}],"graph_snapshots":[{"event_id":"sha256:ad4d9676c096f29d628144a7fc77ca39d2b449e4313024cbed4a776d2026d873","target":"graph","created_at":"2026-05-18T02:31:02Z","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":"Using modified Richardson-Lucy algorithm we reconstruct the primordial power spectrum (PPS) from Planck Cosmic Microwave Background (CMB) temperature anisotropy data. In our analysis we use different combinations of angular power spectra from Planck to reconstruct the shape of the primordial power spectrum and locate possible features. Performing an extensive error analysis we found the dip near $\\ell\\sim750-850$ represents the most prominent feature in the data. Feature near $\\ell\\sim1800-2000$ is detectable with high confidence only in 217 GHz spectrum and is apparently consequence of a smal","authors_text":"Arman Shafieloo, Dhiraj Kumar Hazra, Tarun Souradeep","cross_cats":["hep-th","physics.data-an"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-06-18T18:26:00Z","title":"Primordial power spectrum from Planck"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.4827","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:d3333e7a47951aea32421d07d68ef8ff6966cbc43171ee659c13a6bb13008bef","target":"record","created_at":"2026-05-18T02:31:02Z","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":"02694bd3ed18759d46b28f988f730373374de761402fd7df1bcb5f2824bafaa3","cross_cats_sorted":["hep-th","physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-06-18T18:26:00Z","title_canon_sha256":"df1dc8f9848a77f96a70d39c83751b28aded7653470eed6584e9a70cadc87cc5"},"schema_version":"1.0","source":{"id":"1406.4827","kind":"arxiv","version":2}},"canonical_sha256":"0e5e75efb0117019660c546c20ac6163c769f18f8b8356a02f99d398f857886a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0e5e75efb0117019660c546c20ac6163c769f18f8b8356a02f99d398f857886a","first_computed_at":"2026-05-18T02:31:02.204231Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:31:02.204231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"v5pLQojDMkt/Tc83A9llX4b5qy/7uyp8yUkNfbzIaFvE7ZaEdDfTMqmzb+dfp34yQyIOzrMXOM+M3JdY2D+eCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:31:02.204623Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.4827","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d3333e7a47951aea32421d07d68ef8ff6966cbc43171ee659c13a6bb13008bef","sha256:ad4d9676c096f29d628144a7fc77ca39d2b449e4313024cbed4a776d2026d873"],"state_sha256":"6a2dc7935421a8c25ce1eea33cc9bcfd4abd0d0986912af75964eaadbf686ef2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LrdAsgUy4WQySzexGi+Tr/zaxOT6MRz3ayUD3XYWHSsyxYeU+l6c1BK2sYoQuSWP6CpYHhP9Wq/tU9yEe+m/BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T08:24:25.297308Z","bundle_sha256":"f56661f0710ae8512988bc9bfdc8ad4dda70d921ebea76004c28244e289cc458"}}