{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:7BDHI6LCKL6ZLQOBH4RFGC5Z32","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":"9041b5b97bbbb0812d43cde8eb5bee725b8a57898352884ed711622f816b3fd9","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-08-30T20:12:32Z","title_canon_sha256":"60e235f7b792fb810dc9b3eb7b9b2ea9dec4bffb51162fbba6eb85b3220d3342"},"schema_version":"1.0","source":{"id":"1108.6067","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.6067","created_at":"2026-05-18T03:21:43Z"},{"alias_kind":"arxiv_version","alias_value":"1108.6067v1","created_at":"2026-05-18T03:21:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.6067","created_at":"2026-05-18T03:21:43Z"},{"alias_kind":"pith_short_12","alias_value":"7BDHI6LCKL6Z","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"7BDHI6LCKL6ZLQOB","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"7BDHI6LC","created_at":"2026-05-18T12:26:22Z"}],"graph_snapshots":[{"event_id":"sha256:1c56427e24aaf1dd891097ad5369713240025b3c437b7b34684d4e69bec812c5","target":"graph","created_at":"2026-05-18T03:21:43Z","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"},"paper":{"abstract_excerpt":"We show that non-linear dynamics of a scalar field {\\phi} may be described as a mod- ification of the spacetime geometry. Thus, the self-interaction is interpreted as a coupling of the scalar field with an effective gravitational metric that is constructed with {\\phi} itself. We prove that this process is universal, that is, it is valid for arbi- trary Lagrangian. Our results are compared to usual analogue models of gravitation, where the emergence of a metric appears as a consequence of linear perturbation.","authors_text":"E. Goulart, F. T. Falciano, J. D. Toniato, M. Novello","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-08-30T20:12:32Z","title":"Hidden geometries in nonlinear theories: a novel aspect of analogue gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.6067","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":"sha256:13c2a342fa8c2eb4514bce2ca29b1571af63070280319e274a85c2153e0404a7","target":"record","created_at":"2026-05-18T03:21:43Z","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":"9041b5b97bbbb0812d43cde8eb5bee725b8a57898352884ed711622f816b3fd9","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-08-30T20:12:32Z","title_canon_sha256":"60e235f7b792fb810dc9b3eb7b9b2ea9dec4bffb51162fbba6eb85b3220d3342"},"schema_version":"1.0","source":{"id":"1108.6067","kind":"arxiv","version":1}},"canonical_sha256":"f84674796252fd95c1c13f22530bb9deab31f8d27d5a06ac2b06280fbd2cd35f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f84674796252fd95c1c13f22530bb9deab31f8d27d5a06ac2b06280fbd2cd35f","first_computed_at":"2026-05-18T03:21:43.800726Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:21:43.800726Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yfDGK1YxS7nDxMyGdefOFFgredEnxbvPpKC0QO9ddWAMb0O5yHLHcw7BBFLTjdgEIpFGuLSYBoVD/iQ7B9TVAw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:21:43.801471Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.6067","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:13c2a342fa8c2eb4514bce2ca29b1571af63070280319e274a85c2153e0404a7","sha256:1c56427e24aaf1dd891097ad5369713240025b3c437b7b34684d4e69bec812c5"],"state_sha256":"6035d8f83b24342ba5fb9768e746123badd9946e9424fc2ad1db3ec46b88e967"}