{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:OPCLQDMHRZAO5EOKR3KGB2ZPTU","short_pith_number":"pith:OPCLQDMH","canonical_record":{"source":{"id":"1904.03903","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-04-08T09:22:32Z","cross_cats_sorted":["physics.plasm-ph","physics.space-ph"],"title_canon_sha256":"3852d97c45d9b3a34e007ffda05c2f586671c315fe8dbe1cfe864d58bffdf3f4","abstract_canon_sha256":"f9eb6c56ddc85e781b9fc411942b69d32fbc59449a617c0d8180d8e2d00a142c"},"schema_version":"1.0"},"canonical_sha256":"73c4b80d878e40ee91ca8ed460eb2f9d20d4fee5b868631808e191385a4a6377","source":{"kind":"arxiv","id":"1904.03903","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.03903","created_at":"2026-05-17T23:48:19Z"},{"alias_kind":"arxiv_version","alias_value":"1904.03903v2","created_at":"2026-05-17T23:48:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.03903","created_at":"2026-05-17T23:48:19Z"},{"alias_kind":"pith_short_12","alias_value":"OPCLQDMHRZAO","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"OPCLQDMHRZAO5EOK","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"OPCLQDMH","created_at":"2026-05-18T12:33:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:OPCLQDMHRZAO5EOKR3KGB2ZPTU","target":"record","payload":{"canonical_record":{"source":{"id":"1904.03903","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-04-08T09:22:32Z","cross_cats_sorted":["physics.plasm-ph","physics.space-ph"],"title_canon_sha256":"3852d97c45d9b3a34e007ffda05c2f586671c315fe8dbe1cfe864d58bffdf3f4","abstract_canon_sha256":"f9eb6c56ddc85e781b9fc411942b69d32fbc59449a617c0d8180d8e2d00a142c"},"schema_version":"1.0"},"canonical_sha256":"73c4b80d878e40ee91ca8ed460eb2f9d20d4fee5b868631808e191385a4a6377","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:19.642670Z","signature_b64":"Pmb1rNpjqpkvkD4pWkPEJ3xYvCJ4Pf5/NmuN1hRQ8eLBcOwpu74DghtwYw87xWOylu3CtdpYZhxsUPdGkgx4DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"73c4b80d878e40ee91ca8ed460eb2f9d20d4fee5b868631808e191385a4a6377","last_reissued_at":"2026-05-17T23:48:19.642098Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:19.642098Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.03903","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:48:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Vtq6O7W7jwoZn187MXtF71ldWebJpY/PtqW7E/3lWnC+UA18mjC/2YkJ0dG449EYYiTTilZAz0WAI0Q7s41AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T02:16:11.241227Z"},"content_sha256":"1830e4f0f0bdd36072747285e8a5b7a2f8837da12a118cf720ea0d2836bd9de9","schema_version":"1.0","event_id":"sha256:1830e4f0f0bdd36072747285e8a5b7a2f8837da12a118cf720ea0d2836bd9de9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:OPCLQDMHRZAO5EOKR3KGB2ZPTU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spectral anisotropies and intermittency of plasma turbulence at ion kinetic scales","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.plasm-ph","physics.space-ph"],"primary_cat":"astro-ph.SR","authors_text":"Andrea Verdini, Emanuele Papini, Lorenzo Matteini, Luca Franci, Petr Hellinger, Simone Landi","submitted_at":"2019-04-08T09:22:32Z","abstract_excerpt":"By means of three dimensional high-resolution hybrid simulations we study the properties of the magnetic field spectral anisotropies near and beyond ion kinetic scales. By using both a Fourier analysis and a local analysis based on multi-point 2nd-order structure function techniques, we show that the anisotropy observed is less than what expected by standard wave normal modes turbulence theories although the non linear energy transfer is still in the perpendicular direction, only advected in the parallel direction as expected balancing the non-linear energy transfer time and the decorrelation "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.03903","kind":"arxiv","version":2},"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":"2026-05-17T23:48:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k+ZA1+r/VMS0b1daLX3ZTgiYZkZdqg0d1SKYcgo4uNpeHc0WJYc9cmFakvfB0kfBgmJOUfp7KFd/ThcHbBBqBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T02:16:11.241595Z"},"content_sha256":"4c1414d98f37d23569abffeb8e8c625630a67d5526524282d017d2e20b644770","schema_version":"1.0","event_id":"sha256:4c1414d98f37d23569abffeb8e8c625630a67d5526524282d017d2e20b644770"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OPCLQDMHRZAO5EOKR3KGB2ZPTU/bundle.json","state_url":"https://pith.science/pith/OPCLQDMHRZAO5EOKR3KGB2ZPTU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OPCLQDMHRZAO5EOKR3KGB2ZPTU/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":"2026-06-02T02:16:11Z","links":{"resolver":"https://pith.science/pith/OPCLQDMHRZAO5EOKR3KGB2ZPTU","bundle":"https://pith.science/pith/OPCLQDMHRZAO5EOKR3KGB2ZPTU/bundle.json","state":"https://pith.science/pith/OPCLQDMHRZAO5EOKR3KGB2ZPTU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OPCLQDMHRZAO5EOKR3KGB2ZPTU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:OPCLQDMHRZAO5EOKR3KGB2ZPTU","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":"f9eb6c56ddc85e781b9fc411942b69d32fbc59449a617c0d8180d8e2d00a142c","cross_cats_sorted":["physics.plasm-ph","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-04-08T09:22:32Z","title_canon_sha256":"3852d97c45d9b3a34e007ffda05c2f586671c315fe8dbe1cfe864d58bffdf3f4"},"schema_version":"1.0","source":{"id":"1904.03903","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.03903","created_at":"2026-05-17T23:48:19Z"},{"alias_kind":"arxiv_version","alias_value":"1904.03903v2","created_at":"2026-05-17T23:48:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.03903","created_at":"2026-05-17T23:48:19Z"},{"alias_kind":"pith_short_12","alias_value":"OPCLQDMHRZAO","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"OPCLQDMHRZAO5EOK","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"OPCLQDMH","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:4c1414d98f37d23569abffeb8e8c625630a67d5526524282d017d2e20b644770","target":"graph","created_at":"2026-05-17T23:48:19Z","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":"By means of three dimensional high-resolution hybrid simulations we study the properties of the magnetic field spectral anisotropies near and beyond ion kinetic scales. By using both a Fourier analysis and a local analysis based on multi-point 2nd-order structure function techniques, we show that the anisotropy observed is less than what expected by standard wave normal modes turbulence theories although the non linear energy transfer is still in the perpendicular direction, only advected in the parallel direction as expected balancing the non-linear energy transfer time and the decorrelation ","authors_text":"Andrea Verdini, Emanuele Papini, Lorenzo Matteini, Luca Franci, Petr Hellinger, Simone Landi","cross_cats":["physics.plasm-ph","physics.space-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-04-08T09:22:32Z","title":"Spectral anisotropies and intermittency of plasma turbulence at ion kinetic scales"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.03903","kind":"arxiv","version":2},"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":"sha256:1830e4f0f0bdd36072747285e8a5b7a2f8837da12a118cf720ea0d2836bd9de9","target":"record","created_at":"2026-05-17T23:48:19Z","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":"f9eb6c56ddc85e781b9fc411942b69d32fbc59449a617c0d8180d8e2d00a142c","cross_cats_sorted":["physics.plasm-ph","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-04-08T09:22:32Z","title_canon_sha256":"3852d97c45d9b3a34e007ffda05c2f586671c315fe8dbe1cfe864d58bffdf3f4"},"schema_version":"1.0","source":{"id":"1904.03903","kind":"arxiv","version":2}},"canonical_sha256":"73c4b80d878e40ee91ca8ed460eb2f9d20d4fee5b868631808e191385a4a6377","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"73c4b80d878e40ee91ca8ed460eb2f9d20d4fee5b868631808e191385a4a6377","first_computed_at":"2026-05-17T23:48:19.642098Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:19.642098Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Pmb1rNpjqpkvkD4pWkPEJ3xYvCJ4Pf5/NmuN1hRQ8eLBcOwpu74DghtwYw87xWOylu3CtdpYZhxsUPdGkgx4DA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:19.642670Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.03903","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1830e4f0f0bdd36072747285e8a5b7a2f8837da12a118cf720ea0d2836bd9de9","sha256:4c1414d98f37d23569abffeb8e8c625630a67d5526524282d017d2e20b644770"],"state_sha256":"8c847d35970ee89e248a78e9142a9614f52f3a429d7381c5f0ccd6fffe7f86dc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9XxpAIrxpQToywnol7nq6+nmHz3TU/iqjmZ1Lmevs9hl5I4AW7KgpfzBCL1EP/RYV+FkysvCnkL3YrApsNvNDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T02:16:11.243635Z","bundle_sha256":"d3550670c9f37067e5c1654ba8d6eccfa23ffbc935fd74f20ad6914c78720e2c"}}