{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:2UYF7AXXN5J273GOFBICWBTOIX","short_pith_number":"pith:2UYF7AXX","schema_version":"1.0","canonical_sha256":"d5305f82f76f53afecce28502b066e45fc35f9f7c132d7417a2e9568fe4a1d6c","source":{"kind":"arxiv","id":"1201.3865","version":1},"attestation_state":"computed","paper":{"title":"Beam Instabilities in the Scale Free Regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.mtrl-sci","cond-mat.soft"],"primary_cat":"physics.optics","authors_text":"Claudio Conti, Eugenio DelRe, Viola Folli","submitted_at":"2012-01-18T17:36:14Z","abstract_excerpt":"The instabilities arising in a one-dimensional beam sustained by the diffusive photorefractive nonlinearity in out-of-equilibrium ferroelectrics are theoretically and numerically investigated. In the \"scale-free model\", in striking contrast with the well-known spatial modulational instability, two different beam instabilities dominate: a defocusing and a fragmenting process. Both are independent of the beam power and are not associated to any specific periodic pattern."},"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":"1201.3865","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-01-18T17:36:14Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.mtrl-sci","cond-mat.soft"],"title_canon_sha256":"9735020d2a5e29e6aa6665a040ebd5b71904d2562e8f67874cfa77fcee53a265","abstract_canon_sha256":"7ac2232d4880b02258b6c8357067a2edf8cb5e28375b31f4eaa8d3a9bc522502"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:04:17.730864Z","signature_b64":"d1yJnfeZFEBMoFK9Yfom8ssw1LAxS1Dd8sD4l3xWOSsVgPaVD5Ro3dvUQ1m92iCb8Ltx0btcxDXqeDJ4Xxh/DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d5305f82f76f53afecce28502b066e45fc35f9f7c132d7417a2e9568fe4a1d6c","last_reissued_at":"2026-05-18T04:04:17.729810Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:04:17.729810Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Beam Instabilities in the Scale Free Regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.mtrl-sci","cond-mat.soft"],"primary_cat":"physics.optics","authors_text":"Claudio Conti, Eugenio DelRe, Viola Folli","submitted_at":"2012-01-18T17:36:14Z","abstract_excerpt":"The instabilities arising in a one-dimensional beam sustained by the diffusive photorefractive nonlinearity in out-of-equilibrium ferroelectrics are theoretically and numerically investigated. In the \"scale-free model\", in striking contrast with the well-known spatial modulational instability, two different beam instabilities dominate: a defocusing and a fragmenting process. Both are independent of the beam power and are not associated to any specific periodic pattern."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.3865","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":"1201.3865","created_at":"2026-05-18T04:04:17.729970+00:00"},{"alias_kind":"arxiv_version","alias_value":"1201.3865v1","created_at":"2026-05-18T04:04:17.729970+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.3865","created_at":"2026-05-18T04:04:17.729970+00:00"},{"alias_kind":"pith_short_12","alias_value":"2UYF7AXXN5J2","created_at":"2026-05-18T12:26:50.516681+00:00"},{"alias_kind":"pith_short_16","alias_value":"2UYF7AXXN5J273GO","created_at":"2026-05-18T12:26:50.516681+00:00"},{"alias_kind":"pith_short_8","alias_value":"2UYF7AXX","created_at":"2026-05-18T12:26:50.516681+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/2UYF7AXXN5J273GOFBICWBTOIX","json":"https://pith.science/pith/2UYF7AXXN5J273GOFBICWBTOIX.json","graph_json":"https://pith.science/api/pith-number/2UYF7AXXN5J273GOFBICWBTOIX/graph.json","events_json":"https://pith.science/api/pith-number/2UYF7AXXN5J273GOFBICWBTOIX/events.json","paper":"https://pith.science/paper/2UYF7AXX"},"agent_actions":{"view_html":"https://pith.science/pith/2UYF7AXXN5J273GOFBICWBTOIX","download_json":"https://pith.science/pith/2UYF7AXXN5J273GOFBICWBTOIX.json","view_paper":"https://pith.science/paper/2UYF7AXX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1201.3865&json=true","fetch_graph":"https://pith.science/api/pith-number/2UYF7AXXN5J273GOFBICWBTOIX/graph.json","fetch_events":"https://pith.science/api/pith-number/2UYF7AXXN5J273GOFBICWBTOIX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2UYF7AXXN5J273GOFBICWBTOIX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2UYF7AXXN5J273GOFBICWBTOIX/action/storage_attestation","attest_author":"https://pith.science/pith/2UYF7AXXN5J273GOFBICWBTOIX/action/author_attestation","sign_citation":"https://pith.science/pith/2UYF7AXXN5J273GOFBICWBTOIX/action/citation_signature","submit_replication":"https://pith.science/pith/2UYF7AXXN5J273GOFBICWBTOIX/action/replication_record"}},"created_at":"2026-05-18T04:04:17.729970+00:00","updated_at":"2026-05-18T04:04:17.729970+00:00"}