{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:TBWCDK2VEYY4AGKXD3U57HINMF","short_pith_number":"pith:TBWCDK2V","canonical_record":{"source":{"id":"0908.3146","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-08-21T15:18:45Z","cross_cats_sorted":[],"title_canon_sha256":"5f7d4511e0425b95ca31923a7ca98d41c32f8f1c2afd85732b28a1decd1cc2ba","abstract_canon_sha256":"5ecf43753040a19ac14f2435d6793806c8de199adec84d62e55523163ffd911a"},"schema_version":"1.0"},"canonical_sha256":"986c21ab552631c019571ee9df9d0d6168930189b166431087bdaf4820d8c960","source":{"kind":"arxiv","id":"0908.3146","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.3146","created_at":"2026-05-18T02:12:24Z"},{"alias_kind":"arxiv_version","alias_value":"0908.3146v1","created_at":"2026-05-18T02:12:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.3146","created_at":"2026-05-18T02:12:24Z"},{"alias_kind":"pith_short_12","alias_value":"TBWCDK2VEYY4","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"TBWCDK2VEYY4AGKX","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"TBWCDK2V","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:TBWCDK2VEYY4AGKXD3U57HINMF","target":"record","payload":{"canonical_record":{"source":{"id":"0908.3146","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-08-21T15:18:45Z","cross_cats_sorted":[],"title_canon_sha256":"5f7d4511e0425b95ca31923a7ca98d41c32f8f1c2afd85732b28a1decd1cc2ba","abstract_canon_sha256":"5ecf43753040a19ac14f2435d6793806c8de199adec84d62e55523163ffd911a"},"schema_version":"1.0"},"canonical_sha256":"986c21ab552631c019571ee9df9d0d6168930189b166431087bdaf4820d8c960","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:12:24.207655Z","signature_b64":"2vKsqH1WlKxyV8AiVkir7OGPcc4Msac17MrtcOuzYLjefXINm2VGcd46Pa7LtqF34o8sFBFey2idqvAel3cdDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"986c21ab552631c019571ee9df9d0d6168930189b166431087bdaf4820d8c960","last_reissued_at":"2026-05-18T02:12:24.206875Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:12:24.206875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0908.3146","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":"2026-05-18T02:12:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"31/fZ5S0aGUH9/Y+QIeiequ6Kai68pbmg8UXCPZTskOUvblSgSL66+utyYzRwubv6XpJhMtpzrfI7yFZ+6uHBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T20:35:06.451729Z"},"content_sha256":"3f576ecda8a7189be551518cd8163c133675923acca2e123d548a997c7146a6e","schema_version":"1.0","event_id":"sha256:3f576ecda8a7189be551518cd8163c133675923acca2e123d548a997c7146a6e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:TBWCDK2VEYY4AGKXD3U57HINMF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Surface Alfven Wave Damping in a 3D Simulation of the Solar Wind","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"M. Opher, R. M. Evans, T. I. Gombosi, V. Jatenco-Pereira","submitted_at":"2009-08-21T15:18:45Z","abstract_excerpt":"Here we investigate the contribution of surface Alfven wave damping to the heating of the solar wind in minima conditions. These waves are present in regions of strong inhomogeneities in density or magnetic field (e. g., the border between open and closed magnetic field lines). Using a 3-dimensional Magnetohydrodynamics (MHD) model, we calculate the surface Alfven wave damping contribution between 1-4 solar radii, the region of interest for both acceleration and coronal heating. We consider waves with frequencies lower than those that are damped in the chromosphere and on the order of those do"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.3146","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":"2026-05-18T02:12:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L4GY8LM7le5GqHkPP1ZDQUnaMaA9fQdMJxx5R4NvsbJuv4C2Em194FmeJ+ubH2suPovy/afK0EXSU+AP0D39AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T20:35:06.452080Z"},"content_sha256":"88a66b1b19ccb79ba9a490fb31f48cd7c96a3899826e006005920a05640b9f19","schema_version":"1.0","event_id":"sha256:88a66b1b19ccb79ba9a490fb31f48cd7c96a3899826e006005920a05640b9f19"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TBWCDK2VEYY4AGKXD3U57HINMF/bundle.json","state_url":"https://pith.science/pith/TBWCDK2VEYY4AGKXD3U57HINMF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TBWCDK2VEYY4AGKXD3U57HINMF/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":"2026-06-10T20:35:06Z","links":{"resolver":"https://pith.science/pith/TBWCDK2VEYY4AGKXD3U57HINMF","bundle":"https://pith.science/pith/TBWCDK2VEYY4AGKXD3U57HINMF/bundle.json","state":"https://pith.science/pith/TBWCDK2VEYY4AGKXD3U57HINMF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TBWCDK2VEYY4AGKXD3U57HINMF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:TBWCDK2VEYY4AGKXD3U57HINMF","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":"5ecf43753040a19ac14f2435d6793806c8de199adec84d62e55523163ffd911a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-08-21T15:18:45Z","title_canon_sha256":"5f7d4511e0425b95ca31923a7ca98d41c32f8f1c2afd85732b28a1decd1cc2ba"},"schema_version":"1.0","source":{"id":"0908.3146","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.3146","created_at":"2026-05-18T02:12:24Z"},{"alias_kind":"arxiv_version","alias_value":"0908.3146v1","created_at":"2026-05-18T02:12:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.3146","created_at":"2026-05-18T02:12:24Z"},{"alias_kind":"pith_short_12","alias_value":"TBWCDK2VEYY4","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"TBWCDK2VEYY4AGKX","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"TBWCDK2V","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:88a66b1b19ccb79ba9a490fb31f48cd7c96a3899826e006005920a05640b9f19","target":"graph","created_at":"2026-05-18T02:12:24Z","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":"Here we investigate the contribution of surface Alfven wave damping to the heating of the solar wind in minima conditions. These waves are present in regions of strong inhomogeneities in density or magnetic field (e. g., the border between open and closed magnetic field lines). Using a 3-dimensional Magnetohydrodynamics (MHD) model, we calculate the surface Alfven wave damping contribution between 1-4 solar radii, the region of interest for both acceleration and coronal heating. We consider waves with frequencies lower than those that are damped in the chromosphere and on the order of those do","authors_text":"M. Opher, R. M. Evans, T. I. Gombosi, V. Jatenco-Pereira","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-08-21T15:18:45Z","title":"Surface Alfven Wave Damping in a 3D Simulation of the Solar Wind"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.3146","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":"sha256:3f576ecda8a7189be551518cd8163c133675923acca2e123d548a997c7146a6e","target":"record","created_at":"2026-05-18T02:12:24Z","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":"5ecf43753040a19ac14f2435d6793806c8de199adec84d62e55523163ffd911a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-08-21T15:18:45Z","title_canon_sha256":"5f7d4511e0425b95ca31923a7ca98d41c32f8f1c2afd85732b28a1decd1cc2ba"},"schema_version":"1.0","source":{"id":"0908.3146","kind":"arxiv","version":1}},"canonical_sha256":"986c21ab552631c019571ee9df9d0d6168930189b166431087bdaf4820d8c960","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"986c21ab552631c019571ee9df9d0d6168930189b166431087bdaf4820d8c960","first_computed_at":"2026-05-18T02:12:24.206875Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:12:24.206875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2vKsqH1WlKxyV8AiVkir7OGPcc4Msac17MrtcOuzYLjefXINm2VGcd46Pa7LtqF34o8sFBFey2idqvAel3cdDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:12:24.207655Z","signed_message":"canonical_sha256_bytes"},"source_id":"0908.3146","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3f576ecda8a7189be551518cd8163c133675923acca2e123d548a997c7146a6e","sha256:88a66b1b19ccb79ba9a490fb31f48cd7c96a3899826e006005920a05640b9f19"],"state_sha256":"71f6b0f0813f3698b3cfaa018363f935f859abc8a09079a857adff161dd40eb1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aSqJLu+/t/nMIMhKlgV5Kzs/TqoCy8j+/1vt9YeIB9QUEsN/AeIm24bkQc33YnCj1UWR6B31LT3GW155ru9IAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T20:35:06.454025Z","bundle_sha256":"ffe8a0bb3b4b3c8f6d6c7abb6a210dcbe478642cb3ec5736237179af1fbd2178"}}