{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:PDRVYC6XEX5JM6J7IOGEHOUEVR","short_pith_number":"pith:PDRVYC6X","canonical_record":{"source":{"id":"2506.06963","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-06-08T01:46:06Z","cross_cats_sorted":[],"title_canon_sha256":"c74e4ef9f00e4a816803175b4da71a621d4ce807e29134368ae274e9fbf8fe5c","abstract_canon_sha256":"fb9be3b671ba748752424ff8e83661b49eb1aca603664520a356de5ef15efdf7"},"schema_version":"1.0"},"canonical_sha256":"78e35c0bd725fa96793f438c43ba84ac614cdc644f035009572bf07261a57036","source":{"kind":"arxiv","id":"2506.06963","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.06963","created_at":"2026-07-05T11:17:58Z"},{"alias_kind":"arxiv_version","alias_value":"2506.06963v1","created_at":"2026-07-05T11:17:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.06963","created_at":"2026-07-05T11:17:58Z"},{"alias_kind":"pith_short_12","alias_value":"PDRVYC6XEX5J","created_at":"2026-07-05T11:17:58Z"},{"alias_kind":"pith_short_16","alias_value":"PDRVYC6XEX5JM6J7","created_at":"2026-07-05T11:17:58Z"},{"alias_kind":"pith_short_8","alias_value":"PDRVYC6X","created_at":"2026-07-05T11:17:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:PDRVYC6XEX5JM6J7IOGEHOUEVR","target":"record","payload":{"canonical_record":{"source":{"id":"2506.06963","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-06-08T01:46:06Z","cross_cats_sorted":[],"title_canon_sha256":"c74e4ef9f00e4a816803175b4da71a621d4ce807e29134368ae274e9fbf8fe5c","abstract_canon_sha256":"fb9be3b671ba748752424ff8e83661b49eb1aca603664520a356de5ef15efdf7"},"schema_version":"1.0"},"canonical_sha256":"78e35c0bd725fa96793f438c43ba84ac614cdc644f035009572bf07261a57036","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:17:58.914087Z","signature_b64":"HdnlzpaFgzdA3kC7YkMWSPdeUlEezQGhtId6Y7AYn5XwHQAbJoqVflwve5gS8OBTYZVrycfYHta7udLOX8a8Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78e35c0bd725fa96793f438c43ba84ac614cdc644f035009572bf07261a57036","last_reissued_at":"2026-07-05T11:17:58.913500Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:17:58.913500Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.06963","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":"2026-07-05T11:17:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A4EpICPAgmtF7MDRb+pouDheciTyIAd45i2/BxKeSFGrk0y5rDXh7MfqTK/MeZhk2FLbzAIVcKFRSfksdObsAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T23:04:04.129076Z"},"content_sha256":"fa78b40edd7bf74746069027eecd822e5aeb026dd059b914f5d0504ee8a2e573","schema_version":"1.0","event_id":"sha256:fa78b40edd7bf74746069027eecd822e5aeb026dd059b914f5d0504ee8a2e573"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:PDRVYC6XEX5JM6J7IOGEHOUEVR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhanced plasma heating via interaction with high-contrast laser and cone-shaped target","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"Akifumi Iwamoto, Atsushi Sunahara, Eigo Ebisawa, Eisuke Miura, Hiroki Matsubara, Hiroshi Sawada, Katsuhiro Ishii, Keisuke Shigemori, Kenichi Nagaoka, King Fai Farley Law, Kohei Yamanoi, Natsumi Iwata, Rinya Akematsu, Ryohei Hanayama, Ryo Omura, Ryunosuke Takizawa, Sadaoki Kojima, Shinsuke Fujioka, Takayoshi Sano, Takumi Tsuido, Tomoyuki Johzaki, Yasuhiko Sentoku, Yasunobu Arikawa, Yoneyoshi Kitagawa, Yoshitaka Mori, Yuga Karaki, Yuichi Inubushi, Yuki Abe","submitted_at":"2025-06-08T01:46:06Z","abstract_excerpt":"We investigated plasma heating enhancement using a high-intensity, high-contrast laser and a cone-attached target. Fast electron spectra and X-ray emission were measured with an electron spectrometer and a Bragg crystal spectrometer. The results were analyzed using PrismSPECT simulations with a two-component electron distribution model and empirical scaling laws. X-ray pinhole images showed that the cone effectively focused multi-spot laser light near its tip, enhancing local emission. While high-contrast laser irradiation reduced the fast electron slope temperature for flat targets, the use o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.06963","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/2506.06963/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":"2026-07-05T11:17:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZCinoA9CcyV1TZ24R5WJZGeGQh9VwUJMKhYz84jBgoNEjyaZP2M6q07Es5ODEoRtSeS+0MwAaqpIdFveVzsTBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T23:04:04.130017Z"},"content_sha256":"812f4c17c0fd8bf4d45780a6d055903aa468274070cd671e83e779a83e55c826","schema_version":"1.0","event_id":"sha256:812f4c17c0fd8bf4d45780a6d055903aa468274070cd671e83e779a83e55c826"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PDRVYC6XEX5JM6J7IOGEHOUEVR/bundle.json","state_url":"https://pith.science/pith/PDRVYC6XEX5JM6J7IOGEHOUEVR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PDRVYC6XEX5JM6J7IOGEHOUEVR/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":"2026-08-07T23:04:04Z","links":{"resolver":"https://pith.science/pith/PDRVYC6XEX5JM6J7IOGEHOUEVR","bundle":"https://pith.science/pith/PDRVYC6XEX5JM6J7IOGEHOUEVR/bundle.json","state":"https://pith.science/pith/PDRVYC6XEX5JM6J7IOGEHOUEVR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PDRVYC6XEX5JM6J7IOGEHOUEVR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:PDRVYC6XEX5JM6J7IOGEHOUEVR","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":"fb9be3b671ba748752424ff8e83661b49eb1aca603664520a356de5ef15efdf7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-06-08T01:46:06Z","title_canon_sha256":"c74e4ef9f00e4a816803175b4da71a621d4ce807e29134368ae274e9fbf8fe5c"},"schema_version":"1.0","source":{"id":"2506.06963","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.06963","created_at":"2026-07-05T11:17:58Z"},{"alias_kind":"arxiv_version","alias_value":"2506.06963v1","created_at":"2026-07-05T11:17:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.06963","created_at":"2026-07-05T11:17:58Z"},{"alias_kind":"pith_short_12","alias_value":"PDRVYC6XEX5J","created_at":"2026-07-05T11:17:58Z"},{"alias_kind":"pith_short_16","alias_value":"PDRVYC6XEX5JM6J7","created_at":"2026-07-05T11:17:58Z"},{"alias_kind":"pith_short_8","alias_value":"PDRVYC6X","created_at":"2026-07-05T11:17:58Z"}],"graph_snapshots":[{"event_id":"sha256:812f4c17c0fd8bf4d45780a6d055903aa468274070cd671e83e779a83e55c826","target":"graph","created_at":"2026-07-05T11:17:58Z","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/2506.06963/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigated plasma heating enhancement using a high-intensity, high-contrast laser and a cone-attached target. Fast electron spectra and X-ray emission were measured with an electron spectrometer and a Bragg crystal spectrometer. The results were analyzed using PrismSPECT simulations with a two-component electron distribution model and empirical scaling laws. X-ray pinhole images showed that the cone effectively focused multi-spot laser light near its tip, enhancing local emission. While high-contrast laser irradiation reduced the fast electron slope temperature for flat targets, the use o","authors_text":"Akifumi Iwamoto, Atsushi Sunahara, Eigo Ebisawa, Eisuke Miura, Hiroki Matsubara, Hiroshi Sawada, Katsuhiro Ishii, Keisuke Shigemori, Kenichi Nagaoka, King Fai Farley Law, Kohei Yamanoi, Natsumi Iwata, Rinya Akematsu, Ryohei Hanayama, Ryo Omura, Ryunosuke Takizawa, Sadaoki Kojima, Shinsuke Fujioka, Takayoshi Sano, Takumi Tsuido, Tomoyuki Johzaki, Yasuhiko Sentoku, Yasunobu Arikawa, Yoneyoshi Kitagawa, Yoshitaka Mori, Yuga Karaki, Yuichi Inubushi, Yuki Abe","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-06-08T01:46:06Z","title":"Enhanced plasma heating via interaction with high-contrast laser and cone-shaped target"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.06963","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:fa78b40edd7bf74746069027eecd822e5aeb026dd059b914f5d0504ee8a2e573","target":"record","created_at":"2026-07-05T11:17:58Z","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":"fb9be3b671ba748752424ff8e83661b49eb1aca603664520a356de5ef15efdf7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-06-08T01:46:06Z","title_canon_sha256":"c74e4ef9f00e4a816803175b4da71a621d4ce807e29134368ae274e9fbf8fe5c"},"schema_version":"1.0","source":{"id":"2506.06963","kind":"arxiv","version":1}},"canonical_sha256":"78e35c0bd725fa96793f438c43ba84ac614cdc644f035009572bf07261a57036","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"78e35c0bd725fa96793f438c43ba84ac614cdc644f035009572bf07261a57036","first_computed_at":"2026-07-05T11:17:58.913500Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:17:58.913500Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HdnlzpaFgzdA3kC7YkMWSPdeUlEezQGhtId6Y7AYn5XwHQAbJoqVflwve5gS8OBTYZVrycfYHta7udLOX8a8Bg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:17:58.914087Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.06963","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fa78b40edd7bf74746069027eecd822e5aeb026dd059b914f5d0504ee8a2e573","sha256:812f4c17c0fd8bf4d45780a6d055903aa468274070cd671e83e779a83e55c826"],"state_sha256":"8c5cd712847eea7fb9930db49d65815973b1b7c36a0c41c611ec99fa0f9b6a63"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/rFt15+Wgeri0QC01ArTu5iTjmcziuhAau9j5Y5ZymmDofmCZwNIwbO6clw5OrcvmBaI21AdfJWxDMqSWStNDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T23:04:04.137113Z","bundle_sha256":"e1cb6d0103c1b5c9ca13fc7551d2b241547338968f58ab5a5f236df837f0e50e"}}