{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:MQQBC7IIDBHWFQHJEXPM6DFFJK","short_pith_number":"pith:MQQBC7II","canonical_record":{"source":{"id":"2012.14260","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2020-12-28T15:08:07Z","cross_cats_sorted":[],"title_canon_sha256":"214b7179f86cce9947b08874c3692ec4c581b1c6e8600363054c9591c647c090","abstract_canon_sha256":"47911107250d0f4fdda5930380a8d84c57c40bafab33d314d9914b0b75f7473e"},"schema_version":"1.0"},"canonical_sha256":"6420117d08184f62c0e925decf0ca54a9cf21b8818092a1d8991a7013a8645cc","source":{"kind":"arxiv","id":"2012.14260","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.14260","created_at":"2026-07-05T02:31:48Z"},{"alias_kind":"arxiv_version","alias_value":"2012.14260v1","created_at":"2026-07-05T02:31:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.14260","created_at":"2026-07-05T02:31:48Z"},{"alias_kind":"pith_short_12","alias_value":"MQQBC7IIDBHW","created_at":"2026-07-05T02:31:48Z"},{"alias_kind":"pith_short_16","alias_value":"MQQBC7IIDBHWFQHJ","created_at":"2026-07-05T02:31:48Z"},{"alias_kind":"pith_short_8","alias_value":"MQQBC7II","created_at":"2026-07-05T02:31:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:MQQBC7IIDBHWFQHJEXPM6DFFJK","target":"record","payload":{"canonical_record":{"source":{"id":"2012.14260","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2020-12-28T15:08:07Z","cross_cats_sorted":[],"title_canon_sha256":"214b7179f86cce9947b08874c3692ec4c581b1c6e8600363054c9591c647c090","abstract_canon_sha256":"47911107250d0f4fdda5930380a8d84c57c40bafab33d314d9914b0b75f7473e"},"schema_version":"1.0"},"canonical_sha256":"6420117d08184f62c0e925decf0ca54a9cf21b8818092a1d8991a7013a8645cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:31:48.057570Z","signature_b64":"7x+eqBMy/Y1/VLu+IFkXQhlEianRe3aIu5JvHshk+pCtgE1ksErjDfHSuB7I+oUSPvAMm1NH4t5QAtv1Jp69AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6420117d08184f62c0e925decf0ca54a9cf21b8818092a1d8991a7013a8645cc","last_reissued_at":"2026-07-05T02:31:48.057092Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:31:48.057092Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.14260","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":"2026-07-05T02:31:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XnZlZQYzZKhhl73H4z5UL6QZIH1R/LhNqwiP4mSKIjtu29mcPDFsKGG1zq0omY7Dee6wV+PcvioEaMwyD0OnCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:02:58.849239Z"},"content_sha256":"f0465062bedae9d0bef996d063f40c81442cebef63b25aeda215407d7efaf33c","schema_version":"1.0","event_id":"sha256:f0465062bedae9d0bef996d063f40c81442cebef63b25aeda215407d7efaf33c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:MQQBC7IIDBHWFQHJEXPM6DFFJK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Role of {\\alpha}-cluster transfer in formation 20Ne+16O cross sections at backward angles","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"I. Bondouk, N. Darwish, Nourhan M. Elmedalaa, Sh. Hamada","submitted_at":"2020-12-28T15:08:07Z","abstract_excerpt":"The experimental angular distributions for 20Ne+16O elastic transfer are reanalyzed using different forms of potential both phenomenological and semi-microscopic. The significant increase in cross sections at backward hemisphere due to the contribution of alphacluster transfer is investigated using the distorted wave Born approximation (DWBA) method. The spectroscopic amplitude (SA) for the configuration 20Ne as consisting of 16O (core) and an alpha-particle orbiting this core at the different concerned energies is extracted. The agreement between the experimental data and theoretical calculat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.14260","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2012.14260/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:31:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/RjtlMOpit3WPI4mPtIxH62NydNZOP9kvuDc0lwWroWAWv5Z1SJV57dmjUJd5vc3gHwDwpIWyDTKgThJ2FmnBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:02:58.849635Z"},"content_sha256":"7bdf19a27cb1874728c52ef0d97e0c912e01ec524e7e91d2a4774756be1f4ab3","schema_version":"1.0","event_id":"sha256:7bdf19a27cb1874728c52ef0d97e0c912e01ec524e7e91d2a4774756be1f4ab3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MQQBC7IIDBHWFQHJEXPM6DFFJK/bundle.json","state_url":"https://pith.science/pith/MQQBC7IIDBHWFQHJEXPM6DFFJK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MQQBC7IIDBHWFQHJEXPM6DFFJK/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":"2026-07-07T08:02:58Z","links":{"resolver":"https://pith.science/pith/MQQBC7IIDBHWFQHJEXPM6DFFJK","bundle":"https://pith.science/pith/MQQBC7IIDBHWFQHJEXPM6DFFJK/bundle.json","state":"https://pith.science/pith/MQQBC7IIDBHWFQHJEXPM6DFFJK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MQQBC7IIDBHWFQHJEXPM6DFFJK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:MQQBC7IIDBHWFQHJEXPM6DFFJK","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":"47911107250d0f4fdda5930380a8d84c57c40bafab33d314d9914b0b75f7473e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2020-12-28T15:08:07Z","title_canon_sha256":"214b7179f86cce9947b08874c3692ec4c581b1c6e8600363054c9591c647c090"},"schema_version":"1.0","source":{"id":"2012.14260","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.14260","created_at":"2026-07-05T02:31:48Z"},{"alias_kind":"arxiv_version","alias_value":"2012.14260v1","created_at":"2026-07-05T02:31:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.14260","created_at":"2026-07-05T02:31:48Z"},{"alias_kind":"pith_short_12","alias_value":"MQQBC7IIDBHW","created_at":"2026-07-05T02:31:48Z"},{"alias_kind":"pith_short_16","alias_value":"MQQBC7IIDBHWFQHJ","created_at":"2026-07-05T02:31:48Z"},{"alias_kind":"pith_short_8","alias_value":"MQQBC7II","created_at":"2026-07-05T02:31:48Z"}],"graph_snapshots":[{"event_id":"sha256:7bdf19a27cb1874728c52ef0d97e0c912e01ec524e7e91d2a4774756be1f4ab3","target":"graph","created_at":"2026-07-05T02:31:48Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2012.14260/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The experimental angular distributions for 20Ne+16O elastic transfer are reanalyzed using different forms of potential both phenomenological and semi-microscopic. The significant increase in cross sections at backward hemisphere due to the contribution of alphacluster transfer is investigated using the distorted wave Born approximation (DWBA) method. The spectroscopic amplitude (SA) for the configuration 20Ne as consisting of 16O (core) and an alpha-particle orbiting this core at the different concerned energies is extracted. The agreement between the experimental data and theoretical calculat","authors_text":"I. Bondouk, N. Darwish, Nourhan M. Elmedalaa, Sh. Hamada","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2020-12-28T15:08:07Z","title":"Role of {\\alpha}-cluster transfer in formation 20Ne+16O cross sections at backward angles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.14260","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:f0465062bedae9d0bef996d063f40c81442cebef63b25aeda215407d7efaf33c","target":"record","created_at":"2026-07-05T02:31:48Z","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":"47911107250d0f4fdda5930380a8d84c57c40bafab33d314d9914b0b75f7473e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2020-12-28T15:08:07Z","title_canon_sha256":"214b7179f86cce9947b08874c3692ec4c581b1c6e8600363054c9591c647c090"},"schema_version":"1.0","source":{"id":"2012.14260","kind":"arxiv","version":1}},"canonical_sha256":"6420117d08184f62c0e925decf0ca54a9cf21b8818092a1d8991a7013a8645cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6420117d08184f62c0e925decf0ca54a9cf21b8818092a1d8991a7013a8645cc","first_computed_at":"2026-07-05T02:31:48.057092Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:31:48.057092Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7x+eqBMy/Y1/VLu+IFkXQhlEianRe3aIu5JvHshk+pCtgE1ksErjDfHSuB7I+oUSPvAMm1NH4t5QAtv1Jp69AA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:31:48.057570Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.14260","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f0465062bedae9d0bef996d063f40c81442cebef63b25aeda215407d7efaf33c","sha256:7bdf19a27cb1874728c52ef0d97e0c912e01ec524e7e91d2a4774756be1f4ab3"],"state_sha256":"b2eab2be6ff9e1d02127f590a68b01dfcd1bc60d767108e341e38538e7ab5a3f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IRQYMUqSFMS9EwONnL8/uMS6EyOCGULK+dCnh16RzWgyVUldFWODKy5Gl4i1p3CkiuzzGBTZN2E8/iqhr7pWCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T08:02:58.851611Z","bundle_sha256":"13f2507a8fd72e22a2ba3c2cd52f66dfdcfa10b9dda5b31396dcb2c4e558ab43"}}