{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:PDXTKN6EE5ONKR2BUTGEGOBOQJ","short_pith_number":"pith:PDXTKN6E","schema_version":"1.0","canonical_sha256":"78ef3537c4275cd54741a4cc43382e8249cbdf7fdb5ded97dc5ad16ab5b0f99e","source":{"kind":"arxiv","id":"2505.22763","version":3},"attestation_state":"computed","paper":{"title":"Probability of the Initial Conditions for Inflation and Slow Contraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Daniel Jim\\'enez-Aguilar, Mark P. Hertzberg","submitted_at":"2025-05-28T18:27:39Z","abstract_excerpt":"Some recent studies based on numerical relativity simulations claim that slow contraction/ekpyrosis is strongly preferred over inflation as the smoothing mechanism that brought the universe into the homogeneous, isotropic and flat state we observe today on large scales. In this paper, we evaluate the likelihood of the initial conditions employed in the aforementioned simulations by estimating the probability that a free scalar field dominating the universe at the beginning of inflation or ekpyrosis will be sufficiently homogeneous on scales comparable to the Hubble radius at that time. We expl"},"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":"2505.22763","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-05-28T18:27:39Z","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"title_canon_sha256":"20b173ab602beb12e984b92c70aeaf09df36eb6133f3a7629eb6dcf8abd31a60","abstract_canon_sha256":"5d276ffb603eb8b70eb958a252f576f18f6a06f63334b55202589899da2a8129"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:54:47.581966Z","signature_b64":"scl2MDI71GlbAo2tZ1MKRG8AsoLYz20roByyeKLkWfqXKlek4VMrzB37li5BLnfXU+H7JdLOKQk7tOB1KPxsDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78ef3537c4275cd54741a4cc43382e8249cbdf7fdb5ded97dc5ad16ab5b0f99e","last_reissued_at":"2026-07-05T11:54:47.581496Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:54:47.581496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Probability of the Initial Conditions for Inflation and Slow Contraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Daniel Jim\\'enez-Aguilar, Mark P. Hertzberg","submitted_at":"2025-05-28T18:27:39Z","abstract_excerpt":"Some recent studies based on numerical relativity simulations claim that slow contraction/ekpyrosis is strongly preferred over inflation as the smoothing mechanism that brought the universe into the homogeneous, isotropic and flat state we observe today on large scales. In this paper, we evaluate the likelihood of the initial conditions employed in the aforementioned simulations by estimating the probability that a free scalar field dominating the universe at the beginning of inflation or ekpyrosis will be sufficiently homogeneous on scales comparable to the Hubble radius at that time. We expl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.22763","kind":"arxiv","version":3},"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/2505.22763/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2505.22763","created_at":"2026-07-05T11:54:47.581554+00:00"},{"alias_kind":"arxiv_version","alias_value":"2505.22763v3","created_at":"2026-07-05T11:54:47.581554+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.22763","created_at":"2026-07-05T11:54:47.581554+00:00"},{"alias_kind":"pith_short_12","alias_value":"PDXTKN6EE5ON","created_at":"2026-07-05T11:54:47.581554+00:00"},{"alias_kind":"pith_short_16","alias_value":"PDXTKN6EE5ONKR2B","created_at":"2026-07-05T11:54:47.581554+00:00"},{"alias_kind":"pith_short_8","alias_value":"PDXTKN6E","created_at":"2026-07-05T11:54:47.581554+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/PDXTKN6EE5ONKR2BUTGEGOBOQJ","json":"https://pith.science/pith/PDXTKN6EE5ONKR2BUTGEGOBOQJ.json","graph_json":"https://pith.science/api/pith-number/PDXTKN6EE5ONKR2BUTGEGOBOQJ/graph.json","events_json":"https://pith.science/api/pith-number/PDXTKN6EE5ONKR2BUTGEGOBOQJ/events.json","paper":"https://pith.science/paper/PDXTKN6E"},"agent_actions":{"view_html":"https://pith.science/pith/PDXTKN6EE5ONKR2BUTGEGOBOQJ","download_json":"https://pith.science/pith/PDXTKN6EE5ONKR2BUTGEGOBOQJ.json","view_paper":"https://pith.science/paper/PDXTKN6E","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2505.22763&json=true","fetch_graph":"https://pith.science/api/pith-number/PDXTKN6EE5ONKR2BUTGEGOBOQJ/graph.json","fetch_events":"https://pith.science/api/pith-number/PDXTKN6EE5ONKR2BUTGEGOBOQJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PDXTKN6EE5ONKR2BUTGEGOBOQJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PDXTKN6EE5ONKR2BUTGEGOBOQJ/action/storage_attestation","attest_author":"https://pith.science/pith/PDXTKN6EE5ONKR2BUTGEGOBOQJ/action/author_attestation","sign_citation":"https://pith.science/pith/PDXTKN6EE5ONKR2BUTGEGOBOQJ/action/citation_signature","submit_replication":"https://pith.science/pith/PDXTKN6EE5ONKR2BUTGEGOBOQJ/action/replication_record"}},"created_at":"2026-07-05T11:54:47.581554+00:00","updated_at":"2026-07-05T11:54:47.581554+00:00"}