{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:GHXILGE6GWOA7EUTFTPSNFQUX3","short_pith_number":"pith:GHXILGE6","schema_version":"1.0","canonical_sha256":"31ee85989e359c0f92932cdf269614bef625a435f122b46a099cc662a3f1c1bf","source":{"kind":"arxiv","id":"1709.07845","version":2},"attestation_state":"computed","paper":{"title":"Detecting quantum gravity in the sky","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Gianluca Calcagni","submitted_at":"2017-09-22T17:02:24Z","abstract_excerpt":"Getting signatures of quantum gravity is one of the topical lines of research in modern theoretical physics and cosmology. This short review faces this challenge under a novel perspective. Instead of separating quantum-gravity effects of a specific model between UV and IR regimes, we consider a general feature, possibly common to many frameworks, where all scales are affected and spacetime geometry is characterized by a complex critical exponent. This leaves a log-oscillating modulation pattern in the cosmic microwave background spectrum and gives a unique opportunity, illustrated with the exa"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1709.07845","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-09-22T17:02:24Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"0fa01d51bad05e03c013b7b0904c1af4812fb7b19aff8b8c310b0c5ecb8063e9","abstract_canon_sha256":"a67958b82cfacc98cf011a4c2100be1abb33457b1b2b15a4fe669613eaf77fde"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:20.115565Z","signature_b64":"IS+FhlvvBC6nyzsRx91BMFFyrMyTy9mCK3Sx5n65mF0R+8dCyHUI8oHtOm1ChzKIQ/Y6oz4Fdr7YcNumvcUYDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"31ee85989e359c0f92932cdf269614bef625a435f122b46a099cc662a3f1c1bf","last_reissued_at":"2026-05-18T00:32:20.114875Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:20.114875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Detecting quantum gravity in the sky","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Gianluca Calcagni","submitted_at":"2017-09-22T17:02:24Z","abstract_excerpt":"Getting signatures of quantum gravity is one of the topical lines of research in modern theoretical physics and cosmology. This short review faces this challenge under a novel perspective. Instead of separating quantum-gravity effects of a specific model between UV and IR regimes, we consider a general feature, possibly common to many frameworks, where all scales are affected and spacetime geometry is characterized by a complex critical exponent. This leaves a log-oscillating modulation pattern in the cosmic microwave background spectrum and gives a unique opportunity, illustrated with the exa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.07845","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1709.07845","created_at":"2026-05-18T00:32:20.115001+00:00"},{"alias_kind":"arxiv_version","alias_value":"1709.07845v2","created_at":"2026-05-18T00:32:20.115001+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.07845","created_at":"2026-05-18T00:32:20.115001+00:00"},{"alias_kind":"pith_short_12","alias_value":"GHXILGE6GWOA","created_at":"2026-05-18T12:31:18.294218+00:00"},{"alias_kind":"pith_short_16","alias_value":"GHXILGE6GWOA7EUT","created_at":"2026-05-18T12:31:18.294218+00:00"},{"alias_kind":"pith_short_8","alias_value":"GHXILGE6","created_at":"2026-05-18T12:31:18.294218+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/GHXILGE6GWOA7EUTFTPSNFQUX3","json":"https://pith.science/pith/GHXILGE6GWOA7EUTFTPSNFQUX3.json","graph_json":"https://pith.science/api/pith-number/GHXILGE6GWOA7EUTFTPSNFQUX3/graph.json","events_json":"https://pith.science/api/pith-number/GHXILGE6GWOA7EUTFTPSNFQUX3/events.json","paper":"https://pith.science/paper/GHXILGE6"},"agent_actions":{"view_html":"https://pith.science/pith/GHXILGE6GWOA7EUTFTPSNFQUX3","download_json":"https://pith.science/pith/GHXILGE6GWOA7EUTFTPSNFQUX3.json","view_paper":"https://pith.science/paper/GHXILGE6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1709.07845&json=true","fetch_graph":"https://pith.science/api/pith-number/GHXILGE6GWOA7EUTFTPSNFQUX3/graph.json","fetch_events":"https://pith.science/api/pith-number/GHXILGE6GWOA7EUTFTPSNFQUX3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GHXILGE6GWOA7EUTFTPSNFQUX3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GHXILGE6GWOA7EUTFTPSNFQUX3/action/storage_attestation","attest_author":"https://pith.science/pith/GHXILGE6GWOA7EUTFTPSNFQUX3/action/author_attestation","sign_citation":"https://pith.science/pith/GHXILGE6GWOA7EUTFTPSNFQUX3/action/citation_signature","submit_replication":"https://pith.science/pith/GHXILGE6GWOA7EUTFTPSNFQUX3/action/replication_record"}},"created_at":"2026-05-18T00:32:20.115001+00:00","updated_at":"2026-05-18T00:32:20.115001+00:00"}