{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:PM2JLDLNIMR7PBOT53QY4I3ALH","short_pith_number":"pith:PM2JLDLN","schema_version":"1.0","canonical_sha256":"7b34958d6d4323f785d3eee18e236059e560a888c1c46d97d2ed755bb67a81cb","source":{"kind":"arxiv","id":"1712.00444","version":2},"attestation_state":"computed","paper":{"title":"Large-scale structure phenomenology of viable Horndeski theories","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Alessandra Silvestri, Kazuya Koyama, Levon Pogosian, Marco Raveri, Simone Peirone","submitted_at":"2017-12-01T18:59:01Z","abstract_excerpt":"Phenomenological functions $\\Sigma$ and $\\mu$, also known as $G_{\\rm light}/G$ and $G_{\\rm matter}/G$, are commonly used to parameterize modifications of the growth of large-scale structure in alternative theories of gravity. We study the values these functions can take in Horndeski theories, i.e. the class of scalar-tensor theories with second order equations of motion. We restrict our attention to models that are in a broad agreement with tests of gravity and the observed cosmic expansion history. In particular, we require the speed of gravity to be equal to the speed of light today, as requ"},"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":"1712.00444","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-12-01T18:59:01Z","cross_cats_sorted":[],"title_canon_sha256":"09b0c1469cac21b00870f116d8c2922477c5cd699ee1df132a774ac6af507d0b","abstract_canon_sha256":"0ca157922e1feb3a89d676ba61fa20a0d6729354e7072b368724c86d4b5288ba"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:57.476852Z","signature_b64":"xNAWb001PUm6Xb2fc0uBf497jSG0y6iknQlN22PU+q7RLTuSX2PTSAGv/D70qZlPbj5g9BUZxtSEwdmneWT1AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b34958d6d4323f785d3eee18e236059e560a888c1c46d97d2ed755bb67a81cb","last_reissued_at":"2026-05-18T00:22:57.476282Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:57.476282Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Large-scale structure phenomenology of viable Horndeski theories","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Alessandra Silvestri, Kazuya Koyama, Levon Pogosian, Marco Raveri, Simone Peirone","submitted_at":"2017-12-01T18:59:01Z","abstract_excerpt":"Phenomenological functions $\\Sigma$ and $\\mu$, also known as $G_{\\rm light}/G$ and $G_{\\rm matter}/G$, are commonly used to parameterize modifications of the growth of large-scale structure in alternative theories of gravity. We study the values these functions can take in Horndeski theories, i.e. the class of scalar-tensor theories with second order equations of motion. We restrict our attention to models that are in a broad agreement with tests of gravity and the observed cosmic expansion history. In particular, we require the speed of gravity to be equal to the speed of light today, as requ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.00444","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":"1712.00444","created_at":"2026-05-18T00:22:57.476373+00:00"},{"alias_kind":"arxiv_version","alias_value":"1712.00444v2","created_at":"2026-05-18T00:22:57.476373+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.00444","created_at":"2026-05-18T00:22:57.476373+00:00"},{"alias_kind":"pith_short_12","alias_value":"PM2JLDLNIMR7","created_at":"2026-05-18T12:31:37.085036+00:00"},{"alias_kind":"pith_short_16","alias_value":"PM2JLDLNIMR7PBOT","created_at":"2026-05-18T12:31:37.085036+00:00"},{"alias_kind":"pith_short_8","alias_value":"PM2JLDLN","created_at":"2026-05-18T12:31:37.085036+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/PM2JLDLNIMR7PBOT53QY4I3ALH","json":"https://pith.science/pith/PM2JLDLNIMR7PBOT53QY4I3ALH.json","graph_json":"https://pith.science/api/pith-number/PM2JLDLNIMR7PBOT53QY4I3ALH/graph.json","events_json":"https://pith.science/api/pith-number/PM2JLDLNIMR7PBOT53QY4I3ALH/events.json","paper":"https://pith.science/paper/PM2JLDLN"},"agent_actions":{"view_html":"https://pith.science/pith/PM2JLDLNIMR7PBOT53QY4I3ALH","download_json":"https://pith.science/pith/PM2JLDLNIMR7PBOT53QY4I3ALH.json","view_paper":"https://pith.science/paper/PM2JLDLN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1712.00444&json=true","fetch_graph":"https://pith.science/api/pith-number/PM2JLDLNIMR7PBOT53QY4I3ALH/graph.json","fetch_events":"https://pith.science/api/pith-number/PM2JLDLNIMR7PBOT53QY4I3ALH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PM2JLDLNIMR7PBOT53QY4I3ALH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PM2JLDLNIMR7PBOT53QY4I3ALH/action/storage_attestation","attest_author":"https://pith.science/pith/PM2JLDLNIMR7PBOT53QY4I3ALH/action/author_attestation","sign_citation":"https://pith.science/pith/PM2JLDLNIMR7PBOT53QY4I3ALH/action/citation_signature","submit_replication":"https://pith.science/pith/PM2JLDLNIMR7PBOT53QY4I3ALH/action/replication_record"}},"created_at":"2026-05-18T00:22:57.476373+00:00","updated_at":"2026-05-18T00:22:57.476373+00:00"}