{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:THAXPIUP4KI6HAGLAAPT5T2EVE","short_pith_number":"pith:THAXPIUP","canonical_record":{"source":{"id":"2502.19639","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-02-27T00:18:40Z","cross_cats_sorted":[],"title_canon_sha256":"783d13aa32dca560b2c7f967793ed6c74e283eed22a7ad75eb5ef835ffcd4f4c","abstract_canon_sha256":"3960daf5a0d4615090edc5b2b3e4f83bf51b9a1d915870fff5f60cb8f22e1794"},"schema_version":"1.0"},"canonical_sha256":"99c177a28fe291e380cb001f3ecf44a9108367f4b687574403190b707a068a8d","source":{"kind":"arxiv","id":"2502.19639","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.19639","created_at":"2026-07-05T10:20:50Z"},{"alias_kind":"arxiv_version","alias_value":"2502.19639v1","created_at":"2026-07-05T10:20:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.19639","created_at":"2026-07-05T10:20:50Z"},{"alias_kind":"pith_short_12","alias_value":"THAXPIUP4KI6","created_at":"2026-07-05T10:20:50Z"},{"alias_kind":"pith_short_16","alias_value":"THAXPIUP4KI6HAGL","created_at":"2026-07-05T10:20:50Z"},{"alias_kind":"pith_short_8","alias_value":"THAXPIUP","created_at":"2026-07-05T10:20:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:THAXPIUP4KI6HAGLAAPT5T2EVE","target":"record","payload":{"canonical_record":{"source":{"id":"2502.19639","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-02-27T00:18:40Z","cross_cats_sorted":[],"title_canon_sha256":"783d13aa32dca560b2c7f967793ed6c74e283eed22a7ad75eb5ef835ffcd4f4c","abstract_canon_sha256":"3960daf5a0d4615090edc5b2b3e4f83bf51b9a1d915870fff5f60cb8f22e1794"},"schema_version":"1.0"},"canonical_sha256":"99c177a28fe291e380cb001f3ecf44a9108367f4b687574403190b707a068a8d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:20:50.255687Z","signature_b64":"wBNgrF+EyJiatrLbQt0fJS6kye5LsuukX9/5K2OCOpIyDKwiSJtYDzyrxQ3bSk43FQ74EYqdNMq6cKMfxuRvCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"99c177a28fe291e380cb001f3ecf44a9108367f4b687574403190b707a068a8d","last_reissued_at":"2026-07-05T10:20:50.255191Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:20:50.255191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.19639","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":"2026-07-05T10:20:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x3al74p4x6iQlmz5br5kLT+saJiIJBAKuPMMs9mKIeuvz/QG4xg+VTSRsFxdZoAHFWkjS/bxBhdZKwjvU6afCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T02:18:55.284894Z"},"content_sha256":"65155b31296ab1022127fff7d8c1356d24aeb73eb01c088c6f8750e9813f9778","schema_version":"1.0","event_id":"sha256:65155b31296ab1022127fff7d8c1356d24aeb73eb01c088c6f8750e9813f9778"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:THAXPIUP4KI6HAGLAAPT5T2EVE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Elemental Abundances at Coronal Hole Boundaries as a Means to Investigate Interchange Reconnection and the Solar Wind","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Alexandros Koukras, Daniel W. Savin, Michael Hahn","submitted_at":"2025-02-27T00:18:40Z","abstract_excerpt":"The origin of the slow solar wind is not well understood, unlike the fast solar wind which originates from coronal holes. In-situ elemental abundances of the slow solar wind suggest that it originates from initially closed field lines that become open. Coronal hole boundary regions are a potential source of slow solar wind as there open field lines interact with the closed loops through interchange reconnection. Our primary aim is to quantify the role of interchange reconnection at the boundaries of coronal holes. To this end, we have measured the relative abundances of different elements at t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.19639","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/2502.19639/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":"2026-07-05T10:20:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b82wbaEokfLgvBaRfSr35IC801IfuYqksatQsFYGy7dkOesAgJ9/wc35RVn1Ww5KCK/mJh8pVpWJevn4xksjCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T02:18:55.285298Z"},"content_sha256":"972dada3de79dfd5ae8b874e658bdf2769d2c97d76a02200a3d435d9285d8a72","schema_version":"1.0","event_id":"sha256:972dada3de79dfd5ae8b874e658bdf2769d2c97d76a02200a3d435d9285d8a72"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/THAXPIUP4KI6HAGLAAPT5T2EVE/bundle.json","state_url":"https://pith.science/pith/THAXPIUP4KI6HAGLAAPT5T2EVE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/THAXPIUP4KI6HAGLAAPT5T2EVE/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":"2026-07-09T02:18:55Z","links":{"resolver":"https://pith.science/pith/THAXPIUP4KI6HAGLAAPT5T2EVE","bundle":"https://pith.science/pith/THAXPIUP4KI6HAGLAAPT5T2EVE/bundle.json","state":"https://pith.science/pith/THAXPIUP4KI6HAGLAAPT5T2EVE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/THAXPIUP4KI6HAGLAAPT5T2EVE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:THAXPIUP4KI6HAGLAAPT5T2EVE","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":"3960daf5a0d4615090edc5b2b3e4f83bf51b9a1d915870fff5f60cb8f22e1794","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-02-27T00:18:40Z","title_canon_sha256":"783d13aa32dca560b2c7f967793ed6c74e283eed22a7ad75eb5ef835ffcd4f4c"},"schema_version":"1.0","source":{"id":"2502.19639","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.19639","created_at":"2026-07-05T10:20:50Z"},{"alias_kind":"arxiv_version","alias_value":"2502.19639v1","created_at":"2026-07-05T10:20:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.19639","created_at":"2026-07-05T10:20:50Z"},{"alias_kind":"pith_short_12","alias_value":"THAXPIUP4KI6","created_at":"2026-07-05T10:20:50Z"},{"alias_kind":"pith_short_16","alias_value":"THAXPIUP4KI6HAGL","created_at":"2026-07-05T10:20:50Z"},{"alias_kind":"pith_short_8","alias_value":"THAXPIUP","created_at":"2026-07-05T10:20:50Z"}],"graph_snapshots":[{"event_id":"sha256:972dada3de79dfd5ae8b874e658bdf2769d2c97d76a02200a3d435d9285d8a72","target":"graph","created_at":"2026-07-05T10:20:50Z","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/2502.19639/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The origin of the slow solar wind is not well understood, unlike the fast solar wind which originates from coronal holes. In-situ elemental abundances of the slow solar wind suggest that it originates from initially closed field lines that become open. Coronal hole boundary regions are a potential source of slow solar wind as there open field lines interact with the closed loops through interchange reconnection. Our primary aim is to quantify the role of interchange reconnection at the boundaries of coronal holes. To this end, we have measured the relative abundances of different elements at t","authors_text":"Alexandros Koukras, Daniel W. Savin, Michael Hahn","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-02-27T00:18:40Z","title":"Elemental Abundances at Coronal Hole Boundaries as a Means to Investigate Interchange Reconnection and the Solar Wind"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.19639","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":"sha256:65155b31296ab1022127fff7d8c1356d24aeb73eb01c088c6f8750e9813f9778","target":"record","created_at":"2026-07-05T10:20:50Z","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":"3960daf5a0d4615090edc5b2b3e4f83bf51b9a1d915870fff5f60cb8f22e1794","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-02-27T00:18:40Z","title_canon_sha256":"783d13aa32dca560b2c7f967793ed6c74e283eed22a7ad75eb5ef835ffcd4f4c"},"schema_version":"1.0","source":{"id":"2502.19639","kind":"arxiv","version":1}},"canonical_sha256":"99c177a28fe291e380cb001f3ecf44a9108367f4b687574403190b707a068a8d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"99c177a28fe291e380cb001f3ecf44a9108367f4b687574403190b707a068a8d","first_computed_at":"2026-07-05T10:20:50.255191Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:20:50.255191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wBNgrF+EyJiatrLbQt0fJS6kye5LsuukX9/5K2OCOpIyDKwiSJtYDzyrxQ3bSk43FQ74EYqdNMq6cKMfxuRvCw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:20:50.255687Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.19639","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:65155b31296ab1022127fff7d8c1356d24aeb73eb01c088c6f8750e9813f9778","sha256:972dada3de79dfd5ae8b874e658bdf2769d2c97d76a02200a3d435d9285d8a72"],"state_sha256":"c5e29aab98efda158bd7513a9f3f1304e0fcddef6259117cb4a9190998f75066"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WkuCvOeH3IycRTAnybaPbhsV/jNNiKx7QO0vz1MwcfUzjcB8boBZKVQxWY/w99uIqQM8Us8Rq7pFPwnfsqL0AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T02:18:55.287496Z","bundle_sha256":"494a081a0b79688f09e80733839a3f3a9dcc641c61da61c3c363f35aa4fb4618"}}