{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:2JWIEQPZEOSSALQ53YPJFNZ633","short_pith_number":"pith:2JWIEQPZ","canonical_record":{"source":{"id":"1001.1001","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-06T22:12:29Z","cross_cats_sorted":[],"title_canon_sha256":"76017baf8eb6ba7ed39c8bf2a3a37e985c4bb103702fe5a999f944588fa5ca0e","abstract_canon_sha256":"5fdda155756870e9db702c19e1d2cc064a54a3c8a7223ec876e849682345c077"},"schema_version":"1.0"},"canonical_sha256":"d26c8241f923a5202e1dde1e92b73ededad57c347315ee704ab5cc48e631f323","source":{"kind":"arxiv","id":"1001.1001","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.1001","created_at":"2026-05-18T03:23:49Z"},{"alias_kind":"arxiv_version","alias_value":"1001.1001v1","created_at":"2026-05-18T03:23:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.1001","created_at":"2026-05-18T03:23:49Z"},{"alias_kind":"pith_short_12","alias_value":"2JWIEQPZEOSS","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"2JWIEQPZEOSSALQ5","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"2JWIEQPZ","created_at":"2026-05-18T12:26:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:2JWIEQPZEOSSALQ53YPJFNZ633","target":"record","payload":{"canonical_record":{"source":{"id":"1001.1001","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-06T22:12:29Z","cross_cats_sorted":[],"title_canon_sha256":"76017baf8eb6ba7ed39c8bf2a3a37e985c4bb103702fe5a999f944588fa5ca0e","abstract_canon_sha256":"5fdda155756870e9db702c19e1d2cc064a54a3c8a7223ec876e849682345c077"},"schema_version":"1.0"},"canonical_sha256":"d26c8241f923a5202e1dde1e92b73ededad57c347315ee704ab5cc48e631f323","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:23:49.592437Z","signature_b64":"Bc/OpqFzyoiH7V/q+fp94uadQFrIGeaEIK4V8XeNXlScLKKlfZ0oMmI2OI1kSRjEX7SxavWRdhwQlmFq3sNkCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d26c8241f923a5202e1dde1e92b73ededad57c347315ee704ab5cc48e631f323","last_reissued_at":"2026-05-18T03:23:49.591782Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:23:49.591782Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1001.1001","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":"2026-05-18T03:23:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zZ9DbOkofyjlutXdE+gmRV7uiRJ6rKuQQKx51ybVgqXCyw8Ba/GfnPUeF8kvXgTm6Q5VvcpVpXvkgeYNFUHGDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T21:17:01.156453Z"},"content_sha256":"dd7339732a535d426840418a2da262b95794515e9607a0476fe0197d6b78b94b","schema_version":"1.0","event_id":"sha256:dd7339732a535d426840418a2da262b95794515e9607a0476fe0197d6b78b94b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:2JWIEQPZEOSSALQ53YPJFNZ633","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The chromosphere: gateway to the corona, or the purgatory of solar physics?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Philip G. Judge","submitted_at":"2010-01-06T22:12:29Z","abstract_excerpt":"I argue that one should attempt to understand the solar chromosphere not only for its own sake, but also if one is interested in the physics of: the corona; astrophysical dynamos; space weather; partially ionized plasmas; heliospheric UV radiation; the transition region. I outline curious observations which I personally find puzzling and deserving of attention."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.1001","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":"2026-05-18T03:23:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UTCAOY3imfui65un2EkfokhZ7THNtgrq8bt783DzCNDaQT3PX3n3/ehxbAyifwWC2eQHzT76VaZD2qq+1gLXAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T21:17:01.156784Z"},"content_sha256":"00e4ef8fe09c838864c0597a95a991d896b717df1deddcb2a4e9b6003402374d","schema_version":"1.0","event_id":"sha256:00e4ef8fe09c838864c0597a95a991d896b717df1deddcb2a4e9b6003402374d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2JWIEQPZEOSSALQ53YPJFNZ633/bundle.json","state_url":"https://pith.science/pith/2JWIEQPZEOSSALQ53YPJFNZ633/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2JWIEQPZEOSSALQ53YPJFNZ633/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":"2026-06-20T21:17:01Z","links":{"resolver":"https://pith.science/pith/2JWIEQPZEOSSALQ53YPJFNZ633","bundle":"https://pith.science/pith/2JWIEQPZEOSSALQ53YPJFNZ633/bundle.json","state":"https://pith.science/pith/2JWIEQPZEOSSALQ53YPJFNZ633/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2JWIEQPZEOSSALQ53YPJFNZ633/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:2JWIEQPZEOSSALQ53YPJFNZ633","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":"5fdda155756870e9db702c19e1d2cc064a54a3c8a7223ec876e849682345c077","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-06T22:12:29Z","title_canon_sha256":"76017baf8eb6ba7ed39c8bf2a3a37e985c4bb103702fe5a999f944588fa5ca0e"},"schema_version":"1.0","source":{"id":"1001.1001","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.1001","created_at":"2026-05-18T03:23:49Z"},{"alias_kind":"arxiv_version","alias_value":"1001.1001v1","created_at":"2026-05-18T03:23:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.1001","created_at":"2026-05-18T03:23:49Z"},{"alias_kind":"pith_short_12","alias_value":"2JWIEQPZEOSS","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"2JWIEQPZEOSSALQ5","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"2JWIEQPZ","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:00e4ef8fe09c838864c0597a95a991d896b717df1deddcb2a4e9b6003402374d","target":"graph","created_at":"2026-05-18T03:23:49Z","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":"I argue that one should attempt to understand the solar chromosphere not only for its own sake, but also if one is interested in the physics of: the corona; astrophysical dynamos; space weather; partially ionized plasmas; heliospheric UV radiation; the transition region. I outline curious observations which I personally find puzzling and deserving of attention.","authors_text":"Philip G. Judge","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-06T22:12:29Z","title":"The chromosphere: gateway to the corona, or the purgatory of solar physics?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.1001","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:dd7339732a535d426840418a2da262b95794515e9607a0476fe0197d6b78b94b","target":"record","created_at":"2026-05-18T03:23:49Z","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":"5fdda155756870e9db702c19e1d2cc064a54a3c8a7223ec876e849682345c077","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-06T22:12:29Z","title_canon_sha256":"76017baf8eb6ba7ed39c8bf2a3a37e985c4bb103702fe5a999f944588fa5ca0e"},"schema_version":"1.0","source":{"id":"1001.1001","kind":"arxiv","version":1}},"canonical_sha256":"d26c8241f923a5202e1dde1e92b73ededad57c347315ee704ab5cc48e631f323","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d26c8241f923a5202e1dde1e92b73ededad57c347315ee704ab5cc48e631f323","first_computed_at":"2026-05-18T03:23:49.591782Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:23:49.591782Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Bc/OpqFzyoiH7V/q+fp94uadQFrIGeaEIK4V8XeNXlScLKKlfZ0oMmI2OI1kSRjEX7SxavWRdhwQlmFq3sNkCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:23:49.592437Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.1001","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd7339732a535d426840418a2da262b95794515e9607a0476fe0197d6b78b94b","sha256:00e4ef8fe09c838864c0597a95a991d896b717df1deddcb2a4e9b6003402374d"],"state_sha256":"034da683cdc47293d9e5da19320d8f605b23985cffb4860488c1741357f169d1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Uq3zM0VuSHnppu4uNCuqt6GC8raTUC6bC1dHjfRWgFGLPLB7pXWN5OBjGOlvTmnSh8KL7BGFlCQ0JenLLX/fDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T21:17:01.158846Z","bundle_sha256":"0eb10761e401b71235bf51b7a7c3af7470afb3ffac0028960b89333c0c2cdbc0"}}