{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:YUKOHFOTIZZTEDGQXTNVPTNMQI","short_pith_number":"pith:YUKOHFOT","canonical_record":{"source":{"id":"2109.05480","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-09-12T10:17:37Z","cross_cats_sorted":[],"title_canon_sha256":"466b241ae1c377f7c58e64b7ab301544d27c127e0532cdc77d95c5cb77457d6a","abstract_canon_sha256":"b663151a0c8a7b2ea9d13aec502331f4e653e65678325ffe2b0bc85ecbe9d803"},"schema_version":"1.0"},"canonical_sha256":"c514e395d34673320cd0bcdb57cdac82042ef0f1c3264b2209c2ecfd25db23bd","source":{"kind":"arxiv","id":"2109.05480","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.05480","created_at":"2026-07-05T03:44:55Z"},{"alias_kind":"arxiv_version","alias_value":"2109.05480v1","created_at":"2026-07-05T03:44:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.05480","created_at":"2026-07-05T03:44:55Z"},{"alias_kind":"pith_short_12","alias_value":"YUKOHFOTIZZT","created_at":"2026-07-05T03:44:55Z"},{"alias_kind":"pith_short_16","alias_value":"YUKOHFOTIZZTEDGQ","created_at":"2026-07-05T03:44:55Z"},{"alias_kind":"pith_short_8","alias_value":"YUKOHFOT","created_at":"2026-07-05T03:44:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:YUKOHFOTIZZTEDGQXTNVPTNMQI","target":"record","payload":{"canonical_record":{"source":{"id":"2109.05480","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-09-12T10:17:37Z","cross_cats_sorted":[],"title_canon_sha256":"466b241ae1c377f7c58e64b7ab301544d27c127e0532cdc77d95c5cb77457d6a","abstract_canon_sha256":"b663151a0c8a7b2ea9d13aec502331f4e653e65678325ffe2b0bc85ecbe9d803"},"schema_version":"1.0"},"canonical_sha256":"c514e395d34673320cd0bcdb57cdac82042ef0f1c3264b2209c2ecfd25db23bd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:44:55.596652Z","signature_b64":"Xh8CmXY+Q8c7dNOBU/U1yma9YKOjfxR0OrWa+30J6SkCqbYeP8t51TBoNViXz8unXMGSgv6PjLUwiTQS3b3PDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c514e395d34673320cd0bcdb57cdac82042ef0f1c3264b2209c2ecfd25db23bd","last_reissued_at":"2026-07-05T03:44:55.596156Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:44:55.596156Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.05480","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":"2026-07-05T03:44:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uKtzbrxHv8W3XDR2gvZPzXEMGqtOWThBEthGYSlUUatD0Dv+NC2VA0saM8zJdFBkY5w+elwFbNYElpwpxF4nCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T11:34:21.193783Z"},"content_sha256":"59f6d57ae40c36289e1d8e15d19727a617fbe640a057956bb6bbc81143b5d68b","schema_version":"1.0","event_id":"sha256:59f6d57ae40c36289e1d8e15d19727a617fbe640a057956bb6bbc81143b5d68b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:YUKOHFOTIZZTEDGQXTNVPTNMQI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hint of a truncated primordial spectrum from the CMB large-scale anomalies","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Bo Yu, Fulvio Melia, Jun-Jie Wei, Qingbo Ma","submitted_at":"2021-09-12T10:17:37Z","abstract_excerpt":"Several satellite missions have uncovered a series of potential anomalies in the fluctuation spectrum of the cosmic microwave background temperature, including: (1) an unexpectedly low level of correlation at large angles, manifested via the angular correlation function, C(theta); and (2) missing power in the low multipole moments of the angular power spectrum, C_ell. Their origin is still debated, however, due to a persistent lack of clarity concerning the seeding of quantum fluctuations in the early Universe. A likely explanation for the first of these appears to be a cutoff, k_min=(3.14 +/-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.05480","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/2109.05480/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":"2026-07-05T03:44:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1gh9YDhpUjlOsEZ09FtxsR1fHiLUkZDRXiRtWoTpbh3Bor74Urcgt2O8D2rKuXKI6P2AHIYVQfPUepoozAnODg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T11:34:21.194496Z"},"content_sha256":"22c4f30f41e01fc9f04ed1ce6f27523d53839a1ca840c2af6f6cc4f12337dc90","schema_version":"1.0","event_id":"sha256:22c4f30f41e01fc9f04ed1ce6f27523d53839a1ca840c2af6f6cc4f12337dc90"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YUKOHFOTIZZTEDGQXTNVPTNMQI/bundle.json","state_url":"https://pith.science/pith/YUKOHFOTIZZTEDGQXTNVPTNMQI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YUKOHFOTIZZTEDGQXTNVPTNMQI/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":"2026-08-21T11:34:21Z","links":{"resolver":"https://pith.science/pith/YUKOHFOTIZZTEDGQXTNVPTNMQI","bundle":"https://pith.science/pith/YUKOHFOTIZZTEDGQXTNVPTNMQI/bundle.json","state":"https://pith.science/pith/YUKOHFOTIZZTEDGQXTNVPTNMQI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YUKOHFOTIZZTEDGQXTNVPTNMQI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:YUKOHFOTIZZTEDGQXTNVPTNMQI","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":"b663151a0c8a7b2ea9d13aec502331f4e653e65678325ffe2b0bc85ecbe9d803","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-09-12T10:17:37Z","title_canon_sha256":"466b241ae1c377f7c58e64b7ab301544d27c127e0532cdc77d95c5cb77457d6a"},"schema_version":"1.0","source":{"id":"2109.05480","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.05480","created_at":"2026-07-05T03:44:55Z"},{"alias_kind":"arxiv_version","alias_value":"2109.05480v1","created_at":"2026-07-05T03:44:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.05480","created_at":"2026-07-05T03:44:55Z"},{"alias_kind":"pith_short_12","alias_value":"YUKOHFOTIZZT","created_at":"2026-07-05T03:44:55Z"},{"alias_kind":"pith_short_16","alias_value":"YUKOHFOTIZZTEDGQ","created_at":"2026-07-05T03:44:55Z"},{"alias_kind":"pith_short_8","alias_value":"YUKOHFOT","created_at":"2026-07-05T03:44:55Z"}],"graph_snapshots":[{"event_id":"sha256:22c4f30f41e01fc9f04ed1ce6f27523d53839a1ca840c2af6f6cc4f12337dc90","target":"graph","created_at":"2026-07-05T03:44:55Z","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/2109.05480/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Several satellite missions have uncovered a series of potential anomalies in the fluctuation spectrum of the cosmic microwave background temperature, including: (1) an unexpectedly low level of correlation at large angles, manifested via the angular correlation function, C(theta); and (2) missing power in the low multipole moments of the angular power spectrum, C_ell. Their origin is still debated, however, due to a persistent lack of clarity concerning the seeding of quantum fluctuations in the early Universe. A likely explanation for the first of these appears to be a cutoff, k_min=(3.14 +/-","authors_text":"Bo Yu, Fulvio Melia, Jun-Jie Wei, Qingbo Ma","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-09-12T10:17:37Z","title":"Hint of a truncated primordial spectrum from the CMB large-scale anomalies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.05480","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":"sha256:59f6d57ae40c36289e1d8e15d19727a617fbe640a057956bb6bbc81143b5d68b","target":"record","created_at":"2026-07-05T03:44:55Z","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":"b663151a0c8a7b2ea9d13aec502331f4e653e65678325ffe2b0bc85ecbe9d803","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-09-12T10:17:37Z","title_canon_sha256":"466b241ae1c377f7c58e64b7ab301544d27c127e0532cdc77d95c5cb77457d6a"},"schema_version":"1.0","source":{"id":"2109.05480","kind":"arxiv","version":1}},"canonical_sha256":"c514e395d34673320cd0bcdb57cdac82042ef0f1c3264b2209c2ecfd25db23bd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c514e395d34673320cd0bcdb57cdac82042ef0f1c3264b2209c2ecfd25db23bd","first_computed_at":"2026-07-05T03:44:55.596156Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:44:55.596156Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Xh8CmXY+Q8c7dNOBU/U1yma9YKOjfxR0OrWa+30J6SkCqbYeP8t51TBoNViXz8unXMGSgv6PjLUwiTQS3b3PDw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:44:55.596652Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.05480","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:59f6d57ae40c36289e1d8e15d19727a617fbe640a057956bb6bbc81143b5d68b","sha256:22c4f30f41e01fc9f04ed1ce6f27523d53839a1ca840c2af6f6cc4f12337dc90"],"state_sha256":"2e432b4700fa425e0fefa8f0ec144ad45b55e1a9b3a07c7e79b56eaf0e82b2aa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CEE3xgjxbjAbIEK5l5+JFFMq3scVmzkFAgAesCIY2ExqxfEptAyV+AeKAv7R10btLJ4bxaF4QyZoi/i+XLfOCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T11:34:21.200662Z","bundle_sha256":"135c0e74fdcdefd83fbe05ae8b471743e9da71a516d192be072b3ea8873cf589"}}