{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:7XMZR4JRGHI2DJURB2LXAIPS42","short_pith_number":"pith:7XMZR4JR","canonical_record":{"source":{"id":"2607.11761","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-07-13T16:22:53Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"b9f9b666ca10579e6fd01f4f3a0c29ec85e3b52a33315982a9a33e91a0bf13b3","abstract_canon_sha256":"e135bbe2fee8e5d8dc1cb8a4026b842923367e99d25306121e6fbd9545895c65"},"schema_version":"1.0"},"canonical_sha256":"fdd998f13131d1a1a6910e977021f2e6b740fb31511c8ccb4cbb9ba0cb50df75","source":{"kind":"arxiv","id":"2607.11761","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.11761","created_at":"2026-07-14T02:22:31Z"},{"alias_kind":"arxiv_version","alias_value":"2607.11761v1","created_at":"2026-07-14T02:22:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.11761","created_at":"2026-07-14T02:22:31Z"},{"alias_kind":"pith_short_12","alias_value":"7XMZR4JRGHI2","created_at":"2026-07-14T02:22:31Z"},{"alias_kind":"pith_short_16","alias_value":"7XMZR4JRGHI2DJUR","created_at":"2026-07-14T02:22:31Z"},{"alias_kind":"pith_short_8","alias_value":"7XMZR4JR","created_at":"2026-07-14T02:22:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:7XMZR4JRGHI2DJURB2LXAIPS42","target":"record","payload":{"canonical_record":{"source":{"id":"2607.11761","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-07-13T16:22:53Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"b9f9b666ca10579e6fd01f4f3a0c29ec85e3b52a33315982a9a33e91a0bf13b3","abstract_canon_sha256":"e135bbe2fee8e5d8dc1cb8a4026b842923367e99d25306121e6fbd9545895c65"},"schema_version":"1.0"},"canonical_sha256":"fdd998f13131d1a1a6910e977021f2e6b740fb31511c8ccb4cbb9ba0cb50df75","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-14T02:22:31.313191Z","signature_b64":"j4sFuI2+OiyHXswxllajwrnNPYD30ji72iHJ7V07jHFG7thfrjCY7iUD7l8PcHlEP9DhjEf0BBSQnbuSWxm5Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fdd998f13131d1a1a6910e977021f2e6b740fb31511c8ccb4cbb9ba0cb50df75","last_reissued_at":"2026-07-14T02:22:31.312328Z","signature_status":"signed_v1","first_computed_at":"2026-07-14T02:22:31.312328Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.11761","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":"2026-07-14T02:22:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KNRAK0EufZzjXkRG/ZmI/SQP2gHd7UEEieWHNaP2CagkRaf/RdNC5+XLhE3WVKTZIy+JaELxmMAxE9kQVlbmDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T17:39:30.904735Z"},"content_sha256":"99a9811e92d713b2af9f09fe913b4cb53a9ad630879651e75285fb723b0cf295","schema_version":"1.0","event_id":"sha256:99a9811e92d713b2af9f09fe913b4cb53a9ad630879651e75285fb723b0cf295"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:7XMZR4JRGHI2DJURB2LXAIPS42","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Collisionless whistler heat-flux instability in ultra-high-$\\beta$ plasmas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.HE"],"primary_cat":"physics.plasm-ph","authors_text":"Archie F. A. Bott, Prakriti Pal Choudhury, Rhisiart Davies","submitted_at":"2026-07-13T16:22:53Z","abstract_excerpt":"Kinetic instabilities, notably the whistler heat-flux instability (WHFI), are known to suppress thermal transport significantly in the moderate- to high-$\\beta$ plasmas relevant to many astrophysical systems. This paper explores WHFI-regulated heat transport in a new regime: ultra-high-$\\beta$ plasmas with $\\beta_{e} \\gtrsim L_{\\mathrm{T}}/\\rho_e$. Extrapolating previous theories of the WHFI to ultra-high-$\\beta$ plasmas, we propose that the magnetic energy in unstable whistler fluctuations becomes comparable to that of the background magnetic field at saturation. We corroborate this hypothesi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.11761","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/2607.11761/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":"2026-07-14T02:22:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YWxMd2Iv2xNLtK2kO18VH0Sc6vTO16XUam2xUrJIEGSdDpHvGD/EVD1GCl3xjl4Sb2GW3CdbEOpSlEwDHKWLAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T17:39:30.905087Z"},"content_sha256":"4c2efd169c1571bb1db508944dc620ddb8a591116de93e86850c6b4caadf12bb","schema_version":"1.0","event_id":"sha256:4c2efd169c1571bb1db508944dc620ddb8a591116de93e86850c6b4caadf12bb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7XMZR4JRGHI2DJURB2LXAIPS42/bundle.json","state_url":"https://pith.science/pith/7XMZR4JRGHI2DJURB2LXAIPS42/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7XMZR4JRGHI2DJURB2LXAIPS42/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":"2026-08-14T17:39:30Z","links":{"resolver":"https://pith.science/pith/7XMZR4JRGHI2DJURB2LXAIPS42","bundle":"https://pith.science/pith/7XMZR4JRGHI2DJURB2LXAIPS42/bundle.json","state":"https://pith.science/pith/7XMZR4JRGHI2DJURB2LXAIPS42/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7XMZR4JRGHI2DJURB2LXAIPS42/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:7XMZR4JRGHI2DJURB2LXAIPS42","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":"e135bbe2fee8e5d8dc1cb8a4026b842923367e99d25306121e6fbd9545895c65","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-07-13T16:22:53Z","title_canon_sha256":"b9f9b666ca10579e6fd01f4f3a0c29ec85e3b52a33315982a9a33e91a0bf13b3"},"schema_version":"1.0","source":{"id":"2607.11761","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.11761","created_at":"2026-07-14T02:22:31Z"},{"alias_kind":"arxiv_version","alias_value":"2607.11761v1","created_at":"2026-07-14T02:22:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.11761","created_at":"2026-07-14T02:22:31Z"},{"alias_kind":"pith_short_12","alias_value":"7XMZR4JRGHI2","created_at":"2026-07-14T02:22:31Z"},{"alias_kind":"pith_short_16","alias_value":"7XMZR4JRGHI2DJUR","created_at":"2026-07-14T02:22:31Z"},{"alias_kind":"pith_short_8","alias_value":"7XMZR4JR","created_at":"2026-07-14T02:22:31Z"}],"graph_snapshots":[{"event_id":"sha256:4c2efd169c1571bb1db508944dc620ddb8a591116de93e86850c6b4caadf12bb","target":"graph","created_at":"2026-07-14T02:22:31Z","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/2607.11761/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Kinetic instabilities, notably the whistler heat-flux instability (WHFI), are known to suppress thermal transport significantly in the moderate- to high-$\\beta$ plasmas relevant to many astrophysical systems. This paper explores WHFI-regulated heat transport in a new regime: ultra-high-$\\beta$ plasmas with $\\beta_{e} \\gtrsim L_{\\mathrm{T}}/\\rho_e$. Extrapolating previous theories of the WHFI to ultra-high-$\\beta$ plasmas, we propose that the magnetic energy in unstable whistler fluctuations becomes comparable to that of the background magnetic field at saturation. We corroborate this hypothesi","authors_text":"Archie F. A. Bott, Prakriti Pal Choudhury, Rhisiart Davies","cross_cats":["astro-ph.GA","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-07-13T16:22:53Z","title":"Collisionless whistler heat-flux instability in ultra-high-$\\beta$ plasmas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.11761","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":"sha256:99a9811e92d713b2af9f09fe913b4cb53a9ad630879651e75285fb723b0cf295","target":"record","created_at":"2026-07-14T02:22:31Z","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":"e135bbe2fee8e5d8dc1cb8a4026b842923367e99d25306121e6fbd9545895c65","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-07-13T16:22:53Z","title_canon_sha256":"b9f9b666ca10579e6fd01f4f3a0c29ec85e3b52a33315982a9a33e91a0bf13b3"},"schema_version":"1.0","source":{"id":"2607.11761","kind":"arxiv","version":1}},"canonical_sha256":"fdd998f13131d1a1a6910e977021f2e6b740fb31511c8ccb4cbb9ba0cb50df75","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fdd998f13131d1a1a6910e977021f2e6b740fb31511c8ccb4cbb9ba0cb50df75","first_computed_at":"2026-07-14T02:22:31.312328Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-14T02:22:31.312328Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j4sFuI2+OiyHXswxllajwrnNPYD30ji72iHJ7V07jHFG7thfrjCY7iUD7l8PcHlEP9DhjEf0BBSQnbuSWxm5Cw==","signature_status":"signed_v1","signed_at":"2026-07-14T02:22:31.313191Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.11761","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:99a9811e92d713b2af9f09fe913b4cb53a9ad630879651e75285fb723b0cf295","sha256:4c2efd169c1571bb1db508944dc620ddb8a591116de93e86850c6b4caadf12bb"],"state_sha256":"a0a83275ce44a211c928ae9875bcc6618736dac3e56ec04b5c82a6a9baf33042"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vteiu2uWu4kPQKpZHBA9HzEt5ransORlRp3vZzivFc0Ma9ZOfjoFO0H1kcflxPa7vmA4mYQdz0la+k3uiK69BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T17:39:30.914773Z","bundle_sha256":"07d0644e76283efa2f2572e38b25fd6a3c2e41a9b0e10cc2ebb98ad533d342a5"}}