{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:RDYVLNKRS7W3YH67LCILIWCF7F","short_pith_number":"pith:RDYVLNKR","canonical_record":{"source":{"id":"2506.14894","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-06-17T18:06:32Z","cross_cats_sorted":["physics.data-an","physics.plasm-ph","physics.space-ph"],"title_canon_sha256":"b02bc6c191ab7fb12b0430e7498466d0dbf6aa6120970c8c646184d16376c3ad","abstract_canon_sha256":"0282c0f74ac4953f24bd72874218b56446507ea7ed7716447ee0931173d992af"},"schema_version":"1.0"},"canonical_sha256":"88f155b55197edbc1fdf5890b45845f966be939f1a1ae1ac44bfcc95660f76d6","source":{"kind":"arxiv","id":"2506.14894","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.14894","created_at":"2026-07-05T11:23:33Z"},{"alias_kind":"arxiv_version","alias_value":"2506.14894v1","created_at":"2026-07-05T11:23:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.14894","created_at":"2026-07-05T11:23:33Z"},{"alias_kind":"pith_short_12","alias_value":"RDYVLNKRS7W3","created_at":"2026-07-05T11:23:33Z"},{"alias_kind":"pith_short_16","alias_value":"RDYVLNKRS7W3YH67","created_at":"2026-07-05T11:23:33Z"},{"alias_kind":"pith_short_8","alias_value":"RDYVLNKR","created_at":"2026-07-05T11:23:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:RDYVLNKRS7W3YH67LCILIWCF7F","target":"record","payload":{"canonical_record":{"source":{"id":"2506.14894","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-06-17T18:06:32Z","cross_cats_sorted":["physics.data-an","physics.plasm-ph","physics.space-ph"],"title_canon_sha256":"b02bc6c191ab7fb12b0430e7498466d0dbf6aa6120970c8c646184d16376c3ad","abstract_canon_sha256":"0282c0f74ac4953f24bd72874218b56446507ea7ed7716447ee0931173d992af"},"schema_version":"1.0"},"canonical_sha256":"88f155b55197edbc1fdf5890b45845f966be939f1a1ae1ac44bfcc95660f76d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:23:33.427299Z","signature_b64":"XGx7igaiWHLrl0v3tzdOCwVpnForqSbqUTLo7krKPLzhX8KkB8vueSeQ7sEkOq0igSyhNemA9MVSAVkJ9LbUAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"88f155b55197edbc1fdf5890b45845f966be939f1a1ae1ac44bfcc95660f76d6","last_reissued_at":"2026-07-05T11:23:33.426886Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:23:33.426886Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.14894","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":"2026-07-05T11:23:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uve0sCrwOwIeC0pcPuRSehhXqNSORTX6C4Iv42nThjkNBvPW+JL/fKEhim2z5M4yMSI5bY2wNcfEa5cjavn2Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T11:09:21.398038Z"},"content_sha256":"d182adc82076d3a7b7ca007e3852cbaa9c092d4b8d99d981ca57d63abc148eab","schema_version":"1.0","event_id":"sha256:d182adc82076d3a7b7ca007e3852cbaa9c092d4b8d99d981ca57d63abc148eab"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:RDYVLNKRS7W3YH67LCILIWCF7F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Quasi-Radial Field-line Tracing (QRaFT): an Adaptive Segmentation of the Open-Flux Solar Corona","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.data-an","physics.plasm-ph","physics.space-ph"],"primary_cat":"astro-ph.SR","authors_text":"Charles Nickolos Arge, Christopher E. Rura, Cooper Downs, Nathalia Alzate, Shaela I. Jones, Vadim M. Uritsky","submitted_at":"2025-06-17T18:06:32Z","abstract_excerpt":"Optical observations of solar corona provide key information on its magnetic geometry. The large-scale open field of the corona plays an important role in shaping the ambient solar wind and constraining the propagation dynamics of the embedded structures, such as interplanetary coronal mass ejections. Rigorous analysis of the open-flux coronal regions based on coronagraph images can be quite challenging because of the depleted plasma density resulting in low signal-to-noise ratios. In this paper, we present an in-depth description of a new image segmentation methodology, the Quasi-Radial Field"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.14894","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/2506.14894/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":"2026-07-05T11:23:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kumzr58oUTyfri1Hm935TnhgWp8covigYqlsJGwGGbGewizXJTkmoPVXSM6y4muGjvLtViBwVHigDdiv9I/gBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T11:09:21.398574Z"},"content_sha256":"ce62bb0e137b73011b0dc0922146987e2bf9747c8a280f0d5e62bb1f3010b326","schema_version":"1.0","event_id":"sha256:ce62bb0e137b73011b0dc0922146987e2bf9747c8a280f0d5e62bb1f3010b326"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RDYVLNKRS7W3YH67LCILIWCF7F/bundle.json","state_url":"https://pith.science/pith/RDYVLNKRS7W3YH67LCILIWCF7F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RDYVLNKRS7W3YH67LCILIWCF7F/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":"2026-08-11T11:09:21Z","links":{"resolver":"https://pith.science/pith/RDYVLNKRS7W3YH67LCILIWCF7F","bundle":"https://pith.science/pith/RDYVLNKRS7W3YH67LCILIWCF7F/bundle.json","state":"https://pith.science/pith/RDYVLNKRS7W3YH67LCILIWCF7F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RDYVLNKRS7W3YH67LCILIWCF7F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:RDYVLNKRS7W3YH67LCILIWCF7F","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":"0282c0f74ac4953f24bd72874218b56446507ea7ed7716447ee0931173d992af","cross_cats_sorted":["physics.data-an","physics.plasm-ph","physics.space-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-06-17T18:06:32Z","title_canon_sha256":"b02bc6c191ab7fb12b0430e7498466d0dbf6aa6120970c8c646184d16376c3ad"},"schema_version":"1.0","source":{"id":"2506.14894","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.14894","created_at":"2026-07-05T11:23:33Z"},{"alias_kind":"arxiv_version","alias_value":"2506.14894v1","created_at":"2026-07-05T11:23:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.14894","created_at":"2026-07-05T11:23:33Z"},{"alias_kind":"pith_short_12","alias_value":"RDYVLNKRS7W3","created_at":"2026-07-05T11:23:33Z"},{"alias_kind":"pith_short_16","alias_value":"RDYVLNKRS7W3YH67","created_at":"2026-07-05T11:23:33Z"},{"alias_kind":"pith_short_8","alias_value":"RDYVLNKR","created_at":"2026-07-05T11:23:33Z"}],"graph_snapshots":[{"event_id":"sha256:ce62bb0e137b73011b0dc0922146987e2bf9747c8a280f0d5e62bb1f3010b326","target":"graph","created_at":"2026-07-05T11:23:33Z","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/2506.14894/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Optical observations of solar corona provide key information on its magnetic geometry. The large-scale open field of the corona plays an important role in shaping the ambient solar wind and constraining the propagation dynamics of the embedded structures, such as interplanetary coronal mass ejections. Rigorous analysis of the open-flux coronal regions based on coronagraph images can be quite challenging because of the depleted plasma density resulting in low signal-to-noise ratios. In this paper, we present an in-depth description of a new image segmentation methodology, the Quasi-Radial Field","authors_text":"Charles Nickolos Arge, Christopher E. Rura, Cooper Downs, Nathalia Alzate, Shaela I. Jones, Vadim M. Uritsky","cross_cats":["physics.data-an","physics.plasm-ph","physics.space-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-06-17T18:06:32Z","title":"The Quasi-Radial Field-line Tracing (QRaFT): an Adaptive Segmentation of the Open-Flux Solar Corona"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.14894","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:d182adc82076d3a7b7ca007e3852cbaa9c092d4b8d99d981ca57d63abc148eab","target":"record","created_at":"2026-07-05T11:23:33Z","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":"0282c0f74ac4953f24bd72874218b56446507ea7ed7716447ee0931173d992af","cross_cats_sorted":["physics.data-an","physics.plasm-ph","physics.space-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-06-17T18:06:32Z","title_canon_sha256":"b02bc6c191ab7fb12b0430e7498466d0dbf6aa6120970c8c646184d16376c3ad"},"schema_version":"1.0","source":{"id":"2506.14894","kind":"arxiv","version":1}},"canonical_sha256":"88f155b55197edbc1fdf5890b45845f966be939f1a1ae1ac44bfcc95660f76d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"88f155b55197edbc1fdf5890b45845f966be939f1a1ae1ac44bfcc95660f76d6","first_computed_at":"2026-07-05T11:23:33.426886Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:23:33.426886Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XGx7igaiWHLrl0v3tzdOCwVpnForqSbqUTLo7krKPLzhX8KkB8vueSeQ7sEkOq0igSyhNemA9MVSAVkJ9LbUAg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:23:33.427299Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.14894","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d182adc82076d3a7b7ca007e3852cbaa9c092d4b8d99d981ca57d63abc148eab","sha256:ce62bb0e137b73011b0dc0922146987e2bf9747c8a280f0d5e62bb1f3010b326"],"state_sha256":"e771a24f73b1c2346947f820d91971a5f6874613e8ac31b30fee04a2e7fb8745"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zu11zuNnIZpPKKL/9VPua9vFLY1L/r7nzT7Gpqmrz7bp5H41bNU4Nr9OGWbtL6tLK6E1zmH/x2ZRLcX8MxrWDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T11:09:21.404161Z","bundle_sha256":"8f6876831a96b66d01ddea04c703aa05217980e1e1badbca2284382adfdab85f"}}