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We identify three distinct cascading regimes in the interaction of counter-propagating, circularly-polarised laser pulses with a thin foil by performing a comprehensive scan over the laser intensity (from $10^{23}$ -- $5\\times10^{24}$\\ Wcm$^{-2}$) and initial foil target den"},"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":"1810.04013","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-10-09T14:16:17Z","cross_cats_sorted":[],"title_canon_sha256":"a1e8a903bf9634e598406a64385be3e8da7d3e177ba6a050f4becfcce53d3844","abstract_canon_sha256":"ea40026c9e3bc690c5434873019cf2bf9718cf2b9886d813b4fe296f5c13d18f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:58.688165Z","signature_b64":"FTIoOCplgvZuksObedpsB5hyep3tLGIKAzBWK+yQDOlDz9yOfc9sJi7+V6suZzf5dRGBdT+o6QOjpk8ARd2xDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"787ccb56182bbf9ffbada5e0268fce2b06779041296b7618dbbaa4acc8c9713b","last_reissued_at":"2026-05-17T23:52:58.687382Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:58.687382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Identifying the electron-positron cascade regimes in high-intensity laser-matter interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"C. 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