{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:55BCH2JDQC5VB3QQMBMZ6F5G6V","short_pith_number":"pith:55BCH2JD","canonical_record":{"source":{"id":"1906.06724","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-06-16T16:39:24Z","cross_cats_sorted":["astro-ph.SR","physics.plasm-ph"],"title_canon_sha256":"631cbf8af688c2f8d4640df8ad6c68298af500ed7e147dad1317f2169bbcfc0d","abstract_canon_sha256":"5e024f32fe60e3f7aee5615c8f8cc079395d4676b042a9cb8960eabd8b87cfc0"},"schema_version":"1.0"},"canonical_sha256":"ef4223e92380bb50ee1060599f17a6f577b8dfd8f43817f890cdd4d9dd92047b","source":{"kind":"arxiv","id":"1906.06724","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.06724","created_at":"2026-05-17T23:43:12Z"},{"alias_kind":"arxiv_version","alias_value":"1906.06724v1","created_at":"2026-05-17T23:43:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.06724","created_at":"2026-05-17T23:43:12Z"},{"alias_kind":"pith_short_12","alias_value":"55BCH2JDQC5V","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"55BCH2JDQC5VB3QQ","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"55BCH2JD","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:55BCH2JDQC5VB3QQMBMZ6F5G6V","target":"record","payload":{"canonical_record":{"source":{"id":"1906.06724","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-06-16T16:39:24Z","cross_cats_sorted":["astro-ph.SR","physics.plasm-ph"],"title_canon_sha256":"631cbf8af688c2f8d4640df8ad6c68298af500ed7e147dad1317f2169bbcfc0d","abstract_canon_sha256":"5e024f32fe60e3f7aee5615c8f8cc079395d4676b042a9cb8960eabd8b87cfc0"},"schema_version":"1.0"},"canonical_sha256":"ef4223e92380bb50ee1060599f17a6f577b8dfd8f43817f890cdd4d9dd92047b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:12.854114Z","signature_b64":"lPNJdrRutDPWA9cvoXUlazPZVyZSsJm2Wz8xi9Eh05fwShr5M2lMt6cFqCMCCyhphF2hVyj+lP5mF5tawJZkAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef4223e92380bb50ee1060599f17a6f577b8dfd8f43817f890cdd4d9dd92047b","last_reissued_at":"2026-05-17T23:43:12.853478Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:12.853478Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.06724","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:43:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EYFdlfDeS1VYMfsryq4BXFywUpD4n/6DVuxc3zRf38Kp5jnHaJghiRXXb7NMZfK6fhE7Df149jPR+tiIu/lUAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T05:30:05.559380Z"},"content_sha256":"6c4e577fd7d0cd05b237dbeb4325bbd96392ddc99599bc9a6c4721fc7e378312","schema_version":"1.0","event_id":"sha256:6c4e577fd7d0cd05b237dbeb4325bbd96392ddc99599bc9a6c4721fc7e378312"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:55BCH2JDQC5VB3QQMBMZ6F5G6V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fusion hindrance effects in laser-induced non-neutral plasmas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR","physics.plasm-ph"],"primary_cat":"nucl-th","authors_text":"2 3, (2) Scuola Superiore di Catania, (3) Cyclotron Insitute, 4), 4) ((1) Dipartimento di Fisica e Astronomia, (4) Laboratori Nazionali del Sud, Aldo Bonasera (2, Istituto Nazionale di Fisica Nucleare), Salvatore Simone Perrotta (1, Texas A&M University, Universit\\`a degli studi di Catania","submitted_at":"2019-06-16T16:39:24Z","abstract_excerpt":"Inertial confinement fusion hotspots and cluster Coulomb explosion plasmas may develop a positive net electric charge. The Coulomb barrier penetrability and the rate of nuclear fusion reactions at ultra-low energies ($\\lesssim 10$ keV) are altered by such an environment. These effects are here studied via the screening potential approach. Approximate analytical results are developed by evaluating the average screening potential for some scenarios of interest. It is found that fusion is hindered for reactions between thermal fuel nuclei, while an enhancement is expected for secondary and \"beam-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.06724","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:43:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5bohw4xQ4EN2mXIykN/PHuacsMCDbNO9AxcTBKyrIbK3RcM+m0BAPXFW9x2w3q72GOngp/XvjvkKoR7NYKRVCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T05:30:05.560096Z"},"content_sha256":"109d82607e2f64c704c2fe52008ce8dd57569c4f5947a95d601e15d0d1a1a984","schema_version":"1.0","event_id":"sha256:109d82607e2f64c704c2fe52008ce8dd57569c4f5947a95d601e15d0d1a1a984"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/55BCH2JDQC5VB3QQMBMZ6F5G6V/bundle.json","state_url":"https://pith.science/pith/55BCH2JDQC5VB3QQMBMZ6F5G6V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/55BCH2JDQC5VB3QQMBMZ6F5G6V/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-24T05:30:05Z","links":{"resolver":"https://pith.science/pith/55BCH2JDQC5VB3QQMBMZ6F5G6V","bundle":"https://pith.science/pith/55BCH2JDQC5VB3QQMBMZ6F5G6V/bundle.json","state":"https://pith.science/pith/55BCH2JDQC5VB3QQMBMZ6F5G6V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/55BCH2JDQC5VB3QQMBMZ6F5G6V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:55BCH2JDQC5VB3QQMBMZ6F5G6V","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":"5e024f32fe60e3f7aee5615c8f8cc079395d4676b042a9cb8960eabd8b87cfc0","cross_cats_sorted":["astro-ph.SR","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-06-16T16:39:24Z","title_canon_sha256":"631cbf8af688c2f8d4640df8ad6c68298af500ed7e147dad1317f2169bbcfc0d"},"schema_version":"1.0","source":{"id":"1906.06724","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.06724","created_at":"2026-05-17T23:43:12Z"},{"alias_kind":"arxiv_version","alias_value":"1906.06724v1","created_at":"2026-05-17T23:43:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.06724","created_at":"2026-05-17T23:43:12Z"},{"alias_kind":"pith_short_12","alias_value":"55BCH2JDQC5V","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"55BCH2JDQC5VB3QQ","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"55BCH2JD","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:109d82607e2f64c704c2fe52008ce8dd57569c4f5947a95d601e15d0d1a1a984","target":"graph","created_at":"2026-05-17T23:43:12Z","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":"Inertial confinement fusion hotspots and cluster Coulomb explosion plasmas may develop a positive net electric charge. The Coulomb barrier penetrability and the rate of nuclear fusion reactions at ultra-low energies ($\\lesssim 10$ keV) are altered by such an environment. These effects are here studied via the screening potential approach. Approximate analytical results are developed by evaluating the average screening potential for some scenarios of interest. It is found that fusion is hindered for reactions between thermal fuel nuclei, while an enhancement is expected for secondary and \"beam-","authors_text":"2 3, (2) Scuola Superiore di Catania, (3) Cyclotron Insitute, 4), 4) ((1) Dipartimento di Fisica e Astronomia, (4) Laboratori Nazionali del Sud, Aldo Bonasera (2, Istituto Nazionale di Fisica Nucleare), Salvatore Simone Perrotta (1, Texas A&M University, Universit\\`a degli studi di Catania","cross_cats":["astro-ph.SR","physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-06-16T16:39:24Z","title":"Fusion hindrance effects in laser-induced non-neutral plasmas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.06724","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":"sha256:6c4e577fd7d0cd05b237dbeb4325bbd96392ddc99599bc9a6c4721fc7e378312","target":"record","created_at":"2026-05-17T23:43:12Z","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":"5e024f32fe60e3f7aee5615c8f8cc079395d4676b042a9cb8960eabd8b87cfc0","cross_cats_sorted":["astro-ph.SR","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2019-06-16T16:39:24Z","title_canon_sha256":"631cbf8af688c2f8d4640df8ad6c68298af500ed7e147dad1317f2169bbcfc0d"},"schema_version":"1.0","source":{"id":"1906.06724","kind":"arxiv","version":1}},"canonical_sha256":"ef4223e92380bb50ee1060599f17a6f577b8dfd8f43817f890cdd4d9dd92047b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ef4223e92380bb50ee1060599f17a6f577b8dfd8f43817f890cdd4d9dd92047b","first_computed_at":"2026-05-17T23:43:12.853478Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:43:12.853478Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lPNJdrRutDPWA9cvoXUlazPZVyZSsJm2Wz8xi9Eh05fwShr5M2lMt6cFqCMCCyhphF2hVyj+lP5mF5tawJZkAg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:43:12.854114Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.06724","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c4e577fd7d0cd05b237dbeb4325bbd96392ddc99599bc9a6c4721fc7e378312","sha256:109d82607e2f64c704c2fe52008ce8dd57569c4f5947a95d601e15d0d1a1a984"],"state_sha256":"fb7eae4115a0e41310ae87728de9bee2a720f80d7d6b1e5c6b16f2a2dc54e603"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9MNU425Mjf+fSqo3k3DbbKUAxxE9016W9mlMDvaZY1U38g+rrwiwEJJn+gsjnmFjIrr1ppyDQi+jE9PoFRz0DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T05:30:05.564113Z","bundle_sha256":"6613695483eab3b43150e304c139006f6257ce9665dd322fbf41dbc82c828518"}}