{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:XQFAMXMOQ6ZAO7NROP7MAVGFZY","short_pith_number":"pith:XQFAMXMO","canonical_record":{"source":{"id":"0909.5400","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-09-29T18:38:37Z","cross_cats_sorted":[],"title_canon_sha256":"9b7a96754d2b9066eb37e016f5ef2fb02a1353fbdf4090d113efa510617641bc","abstract_canon_sha256":"bd4b15604e3ab51a0235288d88520aa29bad8918de0d772d2a49e5abdfab4492"},"schema_version":"1.0"},"canonical_sha256":"bc0a065d8e87b2077db173fec054c5ce266b50af6386f7a75665f27350866b40","source":{"kind":"arxiv","id":"0909.5400","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.5400","created_at":"2026-05-18T02:11:36Z"},{"alias_kind":"arxiv_version","alias_value":"0909.5400v1","created_at":"2026-05-18T02:11:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.5400","created_at":"2026-05-18T02:11:36Z"},{"alias_kind":"pith_short_12","alias_value":"XQFAMXMOQ6ZA","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"XQFAMXMOQ6ZAO7NR","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"XQFAMXMO","created_at":"2026-05-18T12:26:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:XQFAMXMOQ6ZAO7NROP7MAVGFZY","target":"record","payload":{"canonical_record":{"source":{"id":"0909.5400","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-09-29T18:38:37Z","cross_cats_sorted":[],"title_canon_sha256":"9b7a96754d2b9066eb37e016f5ef2fb02a1353fbdf4090d113efa510617641bc","abstract_canon_sha256":"bd4b15604e3ab51a0235288d88520aa29bad8918de0d772d2a49e5abdfab4492"},"schema_version":"1.0"},"canonical_sha256":"bc0a065d8e87b2077db173fec054c5ce266b50af6386f7a75665f27350866b40","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:36.362948Z","signature_b64":"BDseZ2GRXlHCoQXTQ/dWHInIe5Qn14Su6R8tMqGzN0cnDzdoPaFucrQNL7P2HUwEVh5JMWowsOZkTcdgjUjxCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bc0a065d8e87b2077db173fec054c5ce266b50af6386f7a75665f27350866b40","last_reissued_at":"2026-05-18T02:11:36.362269Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:36.362269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0909.5400","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":"2026-05-18T02:11:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CzVBjHZ1sTrhF503494zKL8HP1VBwbsGC+u7WWFfWhj9IZ4f0xL22fMsdz+TZVTRMJPKaW1mXE00NHhuNWkNBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T14:46:55.052876Z"},"content_sha256":"fc978c5618b2239e5bbfaee4abdb5645625d274cebd86167f6fc998e8dfdddae","schema_version":"1.0","event_id":"sha256:fc978c5618b2239e5bbfaee4abdb5645625d274cebd86167f6fc998e8dfdddae"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:XQFAMXMOQ6ZAO7NROP7MAVGFZY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Self-heating and its possible relationship to chromospheric heating in slowly rotating stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Andria Rogava, Stefaan Poedts, Zaza Osmanov","submitted_at":"2009-09-29T18:38:37Z","abstract_excerpt":"The efficiency of nonmodal self-heating by acoustic wave perturbations is examined. Considering different kinds of kinematically complex velocity patterns we show that nonmodal instabilities arising in these inhomogeneous flows may lead to significant amplification of acoustic waves. Subsequently, the presence of viscous dissipation damps these amplified waves and causes the energy transfer back to the background flow in the form of heat; viz. closes the \"self-heating\" cycle and contributes to the net heating of the flow patterns and the chromospheric network as a whole. The acoustic self-heat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.5400","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":"2026-05-18T02:11:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lQnVfk8XIKWuFVcqB1rcDB8igvMU/tfACNP6hMVUjWOfVzCHd2C7MfEgbWFioPpDIk5C6uhHzzbOK1RDh6LjDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T14:46:55.053215Z"},"content_sha256":"d80be52170c0c1696e68af3aa3713b0bfbc2f796fe93efa96c4d4f8d3ca75d8b","schema_version":"1.0","event_id":"sha256:d80be52170c0c1696e68af3aa3713b0bfbc2f796fe93efa96c4d4f8d3ca75d8b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XQFAMXMOQ6ZAO7NROP7MAVGFZY/bundle.json","state_url":"https://pith.science/pith/XQFAMXMOQ6ZAO7NROP7MAVGFZY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XQFAMXMOQ6ZAO7NROP7MAVGFZY/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":"2026-06-07T14:46:55Z","links":{"resolver":"https://pith.science/pith/XQFAMXMOQ6ZAO7NROP7MAVGFZY","bundle":"https://pith.science/pith/XQFAMXMOQ6ZAO7NROP7MAVGFZY/bundle.json","state":"https://pith.science/pith/XQFAMXMOQ6ZAO7NROP7MAVGFZY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XQFAMXMOQ6ZAO7NROP7MAVGFZY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:XQFAMXMOQ6ZAO7NROP7MAVGFZY","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":"bd4b15604e3ab51a0235288d88520aa29bad8918de0d772d2a49e5abdfab4492","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-09-29T18:38:37Z","title_canon_sha256":"9b7a96754d2b9066eb37e016f5ef2fb02a1353fbdf4090d113efa510617641bc"},"schema_version":"1.0","source":{"id":"0909.5400","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.5400","created_at":"2026-05-18T02:11:36Z"},{"alias_kind":"arxiv_version","alias_value":"0909.5400v1","created_at":"2026-05-18T02:11:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.5400","created_at":"2026-05-18T02:11:36Z"},{"alias_kind":"pith_short_12","alias_value":"XQFAMXMOQ6ZA","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"XQFAMXMOQ6ZAO7NR","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"XQFAMXMO","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:d80be52170c0c1696e68af3aa3713b0bfbc2f796fe93efa96c4d4f8d3ca75d8b","target":"graph","created_at":"2026-05-18T02:11:36Z","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":"The efficiency of nonmodal self-heating by acoustic wave perturbations is examined. Considering different kinds of kinematically complex velocity patterns we show that nonmodal instabilities arising in these inhomogeneous flows may lead to significant amplification of acoustic waves. Subsequently, the presence of viscous dissipation damps these amplified waves and causes the energy transfer back to the background flow in the form of heat; viz. closes the \"self-heating\" cycle and contributes to the net heating of the flow patterns and the chromospheric network as a whole. The acoustic self-heat","authors_text":"Andria Rogava, Stefaan Poedts, Zaza Osmanov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-09-29T18:38:37Z","title":"Self-heating and its possible relationship to chromospheric heating in slowly rotating stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.5400","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:fc978c5618b2239e5bbfaee4abdb5645625d274cebd86167f6fc998e8dfdddae","target":"record","created_at":"2026-05-18T02:11:36Z","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":"bd4b15604e3ab51a0235288d88520aa29bad8918de0d772d2a49e5abdfab4492","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-09-29T18:38:37Z","title_canon_sha256":"9b7a96754d2b9066eb37e016f5ef2fb02a1353fbdf4090d113efa510617641bc"},"schema_version":"1.0","source":{"id":"0909.5400","kind":"arxiv","version":1}},"canonical_sha256":"bc0a065d8e87b2077db173fec054c5ce266b50af6386f7a75665f27350866b40","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bc0a065d8e87b2077db173fec054c5ce266b50af6386f7a75665f27350866b40","first_computed_at":"2026-05-18T02:11:36.362269Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:11:36.362269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BDseZ2GRXlHCoQXTQ/dWHInIe5Qn14Su6R8tMqGzN0cnDzdoPaFucrQNL7P2HUwEVh5JMWowsOZkTcdgjUjxCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:11:36.362948Z","signed_message":"canonical_sha256_bytes"},"source_id":"0909.5400","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fc978c5618b2239e5bbfaee4abdb5645625d274cebd86167f6fc998e8dfdddae","sha256:d80be52170c0c1696e68af3aa3713b0bfbc2f796fe93efa96c4d4f8d3ca75d8b"],"state_sha256":"67ab03ad99aa4d7e89cc0a0c3a5738e000b776791e8f935333f5bb76f29f6031"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hNDu93cYmlZW+Psr5OpP6J/TawT/d5Vs8c7w0a+Vo9ZVNwzzmIBstU4Yjq+gYrylkceaKgxSAG90D07GHj2FDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T14:46:55.055139Z","bundle_sha256":"00bb33e61672d890f75fcbf86d399b6de7cd4ff5a02cf901507dfdb48f90ca91"}}