{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:4QTHDETOQA2YMHCXLIR6ZUEETY","short_pith_number":"pith:4QTHDETO","schema_version":"1.0","canonical_sha256":"e42671926e8035861c575a23ecd0849e3646b25058eae91419dfd1462600df3c","source":{"kind":"arxiv","id":"1803.01352","version":1},"attestation_state":"computed","paper":{"title":"Inflationary perturbations with Lifshitz scaling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","gr-qc"],"primary_cat":"hep-th","authors_text":"Sergey Sibiryakov, Shun Arai, Yuko Urakawa","submitted_at":"2018-03-04T13:20:53Z","abstract_excerpt":"Instead of Lorentz invariance, gravitational degrees of freedom may obey Lifshitz scaling at high energies, as it happens in Ho\\v{r}ava's proposal for quantum gravity. We study consequences of this proposal for the spectra of primordial perturbations generated at inflation. Breaking of 4D diffeomorphism (Diff) invariance down to the foliation-preserving Diff in Ho\\v{r}ava-Lifshitz (HL) gravity leads to appearance of a scalar degree of freedom in the gravity sector, khronon, which describes dynamics of the time foliation. One can naively expect that mixing between inflaton and khronon will jeop"},"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":"1803.01352","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-03-04T13:20:53Z","cross_cats_sorted":["astro-ph.CO","gr-qc"],"title_canon_sha256":"bba48f51922aaade7b8da61d334d440f9438d42d05e6960d0a1f714e77e80307","abstract_canon_sha256":"276f6daddb0cfc2988fa41a84682f586847150e2b256dbd0dacd7915f111c66b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:44.029306Z","signature_b64":"lcf3lLPhGmLjxDbNN4BLPInwzebvzQ/zBSmajV0fETPgSD5P/pvZoL5HhbMRR9Gu++vYGjQYKf9gRj7p0S0wAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e42671926e8035861c575a23ecd0849e3646b25058eae91419dfd1462600df3c","last_reissued_at":"2026-05-17T23:49:44.028704Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:44.028704Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Inflationary perturbations with Lifshitz scaling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","gr-qc"],"primary_cat":"hep-th","authors_text":"Sergey Sibiryakov, Shun Arai, Yuko Urakawa","submitted_at":"2018-03-04T13:20:53Z","abstract_excerpt":"Instead of Lorentz invariance, gravitational degrees of freedom may obey Lifshitz scaling at high energies, as it happens in Ho\\v{r}ava's proposal for quantum gravity. We study consequences of this proposal for the spectra of primordial perturbations generated at inflation. Breaking of 4D diffeomorphism (Diff) invariance down to the foliation-preserving Diff in Ho\\v{r}ava-Lifshitz (HL) gravity leads to appearance of a scalar degree of freedom in the gravity sector, khronon, which describes dynamics of the time foliation. One can naively expect that mixing between inflaton and khronon will jeop"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.01352","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":""},"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":"1803.01352","created_at":"2026-05-17T23:49:44.028800+00:00"},{"alias_kind":"arxiv_version","alias_value":"1803.01352v1","created_at":"2026-05-17T23:49:44.028800+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.01352","created_at":"2026-05-17T23:49:44.028800+00:00"},{"alias_kind":"pith_short_12","alias_value":"4QTHDETOQA2Y","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_16","alias_value":"4QTHDETOQA2YMHCX","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_8","alias_value":"4QTHDETO","created_at":"2026-05-18T12:32:05.422762+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/4QTHDETOQA2YMHCXLIR6ZUEETY","json":"https://pith.science/pith/4QTHDETOQA2YMHCXLIR6ZUEETY.json","graph_json":"https://pith.science/api/pith-number/4QTHDETOQA2YMHCXLIR6ZUEETY/graph.json","events_json":"https://pith.science/api/pith-number/4QTHDETOQA2YMHCXLIR6ZUEETY/events.json","paper":"https://pith.science/paper/4QTHDETO"},"agent_actions":{"view_html":"https://pith.science/pith/4QTHDETOQA2YMHCXLIR6ZUEETY","download_json":"https://pith.science/pith/4QTHDETOQA2YMHCXLIR6ZUEETY.json","view_paper":"https://pith.science/paper/4QTHDETO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1803.01352&json=true","fetch_graph":"https://pith.science/api/pith-number/4QTHDETOQA2YMHCXLIR6ZUEETY/graph.json","fetch_events":"https://pith.science/api/pith-number/4QTHDETOQA2YMHCXLIR6ZUEETY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4QTHDETOQA2YMHCXLIR6ZUEETY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4QTHDETOQA2YMHCXLIR6ZUEETY/action/storage_attestation","attest_author":"https://pith.science/pith/4QTHDETOQA2YMHCXLIR6ZUEETY/action/author_attestation","sign_citation":"https://pith.science/pith/4QTHDETOQA2YMHCXLIR6ZUEETY/action/citation_signature","submit_replication":"https://pith.science/pith/4QTHDETOQA2YMHCXLIR6ZUEETY/action/replication_record"}},"created_at":"2026-05-17T23:49:44.028800+00:00","updated_at":"2026-05-17T23:49:44.028800+00:00"}