{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:VCFNAMBD2GHYCYO6WICHNQ5HT2","short_pith_number":"pith:VCFNAMBD","canonical_record":{"source":{"id":"1804.10562","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-27T15:40:05Z","cross_cats_sorted":[],"title_canon_sha256":"a52e8d0a08a8998a9f7f7b622c06ff729b3d3f343f7a4415b661a40d78dfd6e3","abstract_canon_sha256":"7a1113603380a0967a4be5cae73ab369f5c31e07ce6d10e7bc89b515ff26029a"},"schema_version":"1.0"},"canonical_sha256":"a88ad03023d18f8161deb20476c3a79ea770673a18717e80281d31317eb7e0ae","source":{"kind":"arxiv","id":"1804.10562","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.10562","created_at":"2026-05-18T00:06:59Z"},{"alias_kind":"arxiv_version","alias_value":"1804.10562v1","created_at":"2026-05-18T00:06:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.10562","created_at":"2026-05-18T00:06:59Z"},{"alias_kind":"pith_short_12","alias_value":"VCFNAMBD2GHY","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VCFNAMBD2GHYCYO6","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VCFNAMBD","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:VCFNAMBD2GHYCYO6WICHNQ5HT2","target":"record","payload":{"canonical_record":{"source":{"id":"1804.10562","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-27T15:40:05Z","cross_cats_sorted":[],"title_canon_sha256":"a52e8d0a08a8998a9f7f7b622c06ff729b3d3f343f7a4415b661a40d78dfd6e3","abstract_canon_sha256":"7a1113603380a0967a4be5cae73ab369f5c31e07ce6d10e7bc89b515ff26029a"},"schema_version":"1.0"},"canonical_sha256":"a88ad03023d18f8161deb20476c3a79ea770673a18717e80281d31317eb7e0ae","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:59.980418Z","signature_b64":"Pvj1R/lIK7x4A9MOk0lAjIDLAQYQAs3oFppYQgwJ+fwnmKjxftReV97JCgW2IshDfS0F2k+7pMU76FTmcSEVBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a88ad03023d18f8161deb20476c3a79ea770673a18717e80281d31317eb7e0ae","last_reissued_at":"2026-05-18T00:06:59.979682Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:59.979682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.10562","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":"2026-05-18T00:06:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FdT5NKqjv8nS4j46OzXn8OSCLTR9nkNhV0/Lf0u0nGFdWmUtiFOBa9qcVmeXRCUk9JITsKjLmFxIcM6NBCqbCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T23:21:57.987422Z"},"content_sha256":"a486c34f288765c01eaeebe373e9d6c053d9dd384c4b518556bc5a7e4f8f2f7f","schema_version":"1.0","event_id":"sha256:a486c34f288765c01eaeebe373e9d6c053d9dd384c4b518556bc5a7e4f8f2f7f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:VCFNAMBD2GHYCYO6WICHNQ5HT2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Contribution of phase-mixing of Alfv\\'en waves to coronal heating in multi-harmonic loop oscillations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"D.J. Pascoe, I. De Moortel, P. Pagano","submitted_at":"2018-04-27T15:40:05Z","abstract_excerpt":"Kink oscillations of a coronal loop are observed and studied in detail because they provide a unique probe into the structure of coronal loops through MHD seismology and a potential test of coronal heating through the phase-mixing of Alfv\\'en waves. In particular, recent observations show that standing oscillations of loops often involve also higher harmonics, beside the fundamental mode. The damping of these kink oscillations is explained by mode coupling with Alfv\\'en waves. We investigate the consequences for wave-based coronal heating of higher harmonics and what coronal heating observatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.10562","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":"2026-05-18T00:06:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YHJAGRHCwVNJ+Vptrzqi4bhyb9oyuTrH2uYbSjJxoC7bSvfSXfd/4zDsUtQNY8yBstIRKiPtKu+d2Gn69OMeCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T23:21:57.987765Z"},"content_sha256":"6c15c30009fd404b8e47ad65acef6e607583e9921880d39d754a369424b5df8d","schema_version":"1.0","event_id":"sha256:6c15c30009fd404b8e47ad65acef6e607583e9921880d39d754a369424b5df8d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VCFNAMBD2GHYCYO6WICHNQ5HT2/bundle.json","state_url":"https://pith.science/pith/VCFNAMBD2GHYCYO6WICHNQ5HT2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VCFNAMBD2GHYCYO6WICHNQ5HT2/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":"2026-06-08T23:21:57Z","links":{"resolver":"https://pith.science/pith/VCFNAMBD2GHYCYO6WICHNQ5HT2","bundle":"https://pith.science/pith/VCFNAMBD2GHYCYO6WICHNQ5HT2/bundle.json","state":"https://pith.science/pith/VCFNAMBD2GHYCYO6WICHNQ5HT2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VCFNAMBD2GHYCYO6WICHNQ5HT2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:VCFNAMBD2GHYCYO6WICHNQ5HT2","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":"7a1113603380a0967a4be5cae73ab369f5c31e07ce6d10e7bc89b515ff26029a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-27T15:40:05Z","title_canon_sha256":"a52e8d0a08a8998a9f7f7b622c06ff729b3d3f343f7a4415b661a40d78dfd6e3"},"schema_version":"1.0","source":{"id":"1804.10562","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.10562","created_at":"2026-05-18T00:06:59Z"},{"alias_kind":"arxiv_version","alias_value":"1804.10562v1","created_at":"2026-05-18T00:06:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.10562","created_at":"2026-05-18T00:06:59Z"},{"alias_kind":"pith_short_12","alias_value":"VCFNAMBD2GHY","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VCFNAMBD2GHYCYO6","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VCFNAMBD","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:6c15c30009fd404b8e47ad65acef6e607583e9921880d39d754a369424b5df8d","target":"graph","created_at":"2026-05-18T00:06:59Z","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":"Kink oscillations of a coronal loop are observed and studied in detail because they provide a unique probe into the structure of coronal loops through MHD seismology and a potential test of coronal heating through the phase-mixing of Alfv\\'en waves. In particular, recent observations show that standing oscillations of loops often involve also higher harmonics, beside the fundamental mode. The damping of these kink oscillations is explained by mode coupling with Alfv\\'en waves. We investigate the consequences for wave-based coronal heating of higher harmonics and what coronal heating observatio","authors_text":"D.J. Pascoe, I. De Moortel, P. Pagano","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-27T15:40:05Z","title":"Contribution of phase-mixing of Alfv\\'en waves to coronal heating in multi-harmonic loop oscillations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.10562","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:a486c34f288765c01eaeebe373e9d6c053d9dd384c4b518556bc5a7e4f8f2f7f","target":"record","created_at":"2026-05-18T00:06:59Z","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":"7a1113603380a0967a4be5cae73ab369f5c31e07ce6d10e7bc89b515ff26029a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-27T15:40:05Z","title_canon_sha256":"a52e8d0a08a8998a9f7f7b622c06ff729b3d3f343f7a4415b661a40d78dfd6e3"},"schema_version":"1.0","source":{"id":"1804.10562","kind":"arxiv","version":1}},"canonical_sha256":"a88ad03023d18f8161deb20476c3a79ea770673a18717e80281d31317eb7e0ae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a88ad03023d18f8161deb20476c3a79ea770673a18717e80281d31317eb7e0ae","first_computed_at":"2026-05-18T00:06:59.979682Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:59.979682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Pvj1R/lIK7x4A9MOk0lAjIDLAQYQAs3oFppYQgwJ+fwnmKjxftReV97JCgW2IshDfS0F2k+7pMU76FTmcSEVBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:59.980418Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.10562","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a486c34f288765c01eaeebe373e9d6c053d9dd384c4b518556bc5a7e4f8f2f7f","sha256:6c15c30009fd404b8e47ad65acef6e607583e9921880d39d754a369424b5df8d"],"state_sha256":"2191b549aab5bba8d49b13a04c5804fd8223d6727765ab7432102d1de20549e2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wf/dMyRssE4BfGw9RYqb/K9xY02n3NzDiGRjnjZ3ncBJIWHIq6yEKohZOCu/CTRUOyJ8ssYtuvBEIFR+1PpJCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T23:21:57.989593Z","bundle_sha256":"c6491ed820e90148fcc3503070704b391f8f20725a122c938ccaa91a0b7da066"}}