{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:O5EJQIN7LXY6OWKWRFXMI4SFQ3","short_pith_number":"pith:O5EJQIN7","canonical_record":{"source":{"id":"2208.14904","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-08-31T14:57:22Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"30cc5f86163d6c88595e6ace56bf83029b98599fb5156604126189056962cf92","abstract_canon_sha256":"ea2f94ab4dd79028360a1d6bef558cedc241a224bb6040064d5fc9d84e72fde4"},"schema_version":"1.0"},"canonical_sha256":"77489821bf5df1e75956896ec4724586d5c20d2c5cc7e67f92b10d4669a57768","source":{"kind":"arxiv","id":"2208.14904","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.14904","created_at":"2026-07-05T04:53:36Z"},{"alias_kind":"arxiv_version","alias_value":"2208.14904v1","created_at":"2026-07-05T04:53:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.14904","created_at":"2026-07-05T04:53:36Z"},{"alias_kind":"pith_short_12","alias_value":"O5EJQIN7LXY6","created_at":"2026-07-05T04:53:36Z"},{"alias_kind":"pith_short_16","alias_value":"O5EJQIN7LXY6OWKW","created_at":"2026-07-05T04:53:36Z"},{"alias_kind":"pith_short_8","alias_value":"O5EJQIN7","created_at":"2026-07-05T04:53:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:O5EJQIN7LXY6OWKWRFXMI4SFQ3","target":"record","payload":{"canonical_record":{"source":{"id":"2208.14904","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-08-31T14:57:22Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"30cc5f86163d6c88595e6ace56bf83029b98599fb5156604126189056962cf92","abstract_canon_sha256":"ea2f94ab4dd79028360a1d6bef558cedc241a224bb6040064d5fc9d84e72fde4"},"schema_version":"1.0"},"canonical_sha256":"77489821bf5df1e75956896ec4724586d5c20d2c5cc7e67f92b10d4669a57768","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:53:36.562995Z","signature_b64":"ViD55nXHbQ2+aGwYMFEzyyQl9JVfkn7jdru6b7fKKKeylMjpPqPwV2LvmYzd/SGAeF5hDeieGddk7GqBlCfYDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"77489821bf5df1e75956896ec4724586d5c20d2c5cc7e67f92b10d4669a57768","last_reissued_at":"2026-07-05T04:53:36.562521Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:53:36.562521Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2208.14904","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":"2026-07-05T04:53:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3br9U/lRj52+KVtQbRxGJXOkMKo8LpoZVrXcqAkpOIigqrdtoOIqDqORJGpUESyzVNMBjprdj434pKSkjA/XDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T06:22:19.077520Z"},"content_sha256":"544361c04271d9b7ee3e27d253b7f13f13a58188fbedf4f8e867cf22c7663b64","schema_version":"1.0","event_id":"sha256:544361c04271d9b7ee3e27d253b7f13f13a58188fbedf4f8e867cf22c7663b64"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:O5EJQIN7LXY6OWKWRFXMI4SFQ3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The on-ground data reduction and calibration pipeline for SO/PHI-HRT","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"A. Alvarez-Herrero, A. Fern\\'andez-Medina, A. Gandorfer, A. Korpi-Lagg, A. L\\'opez Jim\\'enez, A. Moreno Vacas, B. Fiethe, B. Grauf, D. Calchetti, D. Germerott, D. Orozco Su\\'arez, E. Nakai, E. Sanchis Kilders, F. Kahil, G. Fernandez-Rico, G. Valori, H. Michalik, H. Strecker, I. P\\'erez-Grande, I. Torralbo, J. Blanco Rodr\\'iguez, J. C. del Toro Iniesta, J. Hirzberger, J. L. Gasent Blesa, J. M. G\\'omez Cama, J. Schou, J. Sinjan, J. Staub, J. Woch, K. Albert, K. Heerlein, L. Gizon, L. Guerrero, L. R. Bellot Rubio, M. Balaguer Jim\\'enez, M. Carmona, M. Kolleck, N. Albelo Jorge, P. Garc\\'ia Parejo, P. Gutierrez Marquez, R. Meller, R. M\\\"uller, R. Volkmer, S. K. Solanki, T. Appourchaux, T. Lange, T. Maue, U. Sch\\\"uhle, W. Deutsch, W. Schmidt","submitted_at":"2022-08-31T14:57:22Z","abstract_excerpt":"The ESA/NASA Solar Orbiter space mission has been successfully launched in February 2020. Onboard is the Polarimetric and Helioseismic Imager (SO/PHI), which has two telescopes, a High Resolution Telescope (HRT) and the Full Disc Telescope (FDT). The instrument is designed to infer the photospheric magnetic field and line-of-sight velocity through differential imaging of the polarised light emitted by the Sun. It calculates the full Stokes vector at 6 wavelength positions at the Fe I 617.3 nm absorption line. Due to telemetry constraints, the instrument nominally processes these Stokes profile"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.14904","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/2208.14904/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":"2026-07-05T04:53:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c8ACtuL78+N8x3xMnQnzpYHECoMzAHfiN79ATgbyeKsyPlXtydUydtLcH9UqXK5R3RgytTtva+7e2myatAyUDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T06:22:19.078061Z"},"content_sha256":"59b2dc6f2a3f88cdf5b0165b4cb54e1da11e3f6ddf2c38e63953b31404c2d71b","schema_version":"1.0","event_id":"sha256:59b2dc6f2a3f88cdf5b0165b4cb54e1da11e3f6ddf2c38e63953b31404c2d71b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O5EJQIN7LXY6OWKWRFXMI4SFQ3/bundle.json","state_url":"https://pith.science/pith/O5EJQIN7LXY6OWKWRFXMI4SFQ3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O5EJQIN7LXY6OWKWRFXMI4SFQ3/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":"2026-08-06T06:22:19Z","links":{"resolver":"https://pith.science/pith/O5EJQIN7LXY6OWKWRFXMI4SFQ3","bundle":"https://pith.science/pith/O5EJQIN7LXY6OWKWRFXMI4SFQ3/bundle.json","state":"https://pith.science/pith/O5EJQIN7LXY6OWKWRFXMI4SFQ3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O5EJQIN7LXY6OWKWRFXMI4SFQ3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:O5EJQIN7LXY6OWKWRFXMI4SFQ3","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":"ea2f94ab4dd79028360a1d6bef558cedc241a224bb6040064d5fc9d84e72fde4","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-08-31T14:57:22Z","title_canon_sha256":"30cc5f86163d6c88595e6ace56bf83029b98599fb5156604126189056962cf92"},"schema_version":"1.0","source":{"id":"2208.14904","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.14904","created_at":"2026-07-05T04:53:36Z"},{"alias_kind":"arxiv_version","alias_value":"2208.14904v1","created_at":"2026-07-05T04:53:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.14904","created_at":"2026-07-05T04:53:36Z"},{"alias_kind":"pith_short_12","alias_value":"O5EJQIN7LXY6","created_at":"2026-07-05T04:53:36Z"},{"alias_kind":"pith_short_16","alias_value":"O5EJQIN7LXY6OWKW","created_at":"2026-07-05T04:53:36Z"},{"alias_kind":"pith_short_8","alias_value":"O5EJQIN7","created_at":"2026-07-05T04:53:36Z"}],"graph_snapshots":[{"event_id":"sha256:59b2dc6f2a3f88cdf5b0165b4cb54e1da11e3f6ddf2c38e63953b31404c2d71b","target":"graph","created_at":"2026-07-05T04:53:36Z","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/2208.14904/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The ESA/NASA Solar Orbiter space mission has been successfully launched in February 2020. Onboard is the Polarimetric and Helioseismic Imager (SO/PHI), which has two telescopes, a High Resolution Telescope (HRT) and the Full Disc Telescope (FDT). The instrument is designed to infer the photospheric magnetic field and line-of-sight velocity through differential imaging of the polarised light emitted by the Sun. It calculates the full Stokes vector at 6 wavelength positions at the Fe I 617.3 nm absorption line. Due to telemetry constraints, the instrument nominally processes these Stokes profile","authors_text":"A. Alvarez-Herrero, A. Fern\\'andez-Medina, A. Gandorfer, A. Korpi-Lagg, A. L\\'opez Jim\\'enez, A. Moreno Vacas, B. Fiethe, B. Grauf, D. Calchetti, D. Germerott, D. Orozco Su\\'arez, E. Nakai, E. Sanchis Kilders, F. Kahil, G. Fernandez-Rico, G. Valori, H. Michalik, H. Strecker, I. P\\'erez-Grande, I. Torralbo, J. Blanco Rodr\\'iguez, J. C. del Toro Iniesta, J. Hirzberger, J. L. Gasent Blesa, J. M. G\\'omez Cama, J. Schou, J. Sinjan, J. Staub, J. Woch, K. Albert, K. Heerlein, L. Gizon, L. Guerrero, L. R. Bellot Rubio, M. Balaguer Jim\\'enez, M. Carmona, M. Kolleck, N. Albelo Jorge, P. Garc\\'ia Parejo, P. Gutierrez Marquez, R. Meller, R. M\\\"uller, R. Volkmer, S. K. Solanki, T. Appourchaux, T. Lange, T. Maue, U. Sch\\\"uhle, W. Deutsch, W. Schmidt","cross_cats":["astro-ph.IM"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-08-31T14:57:22Z","title":"The on-ground data reduction and calibration pipeline for SO/PHI-HRT"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.14904","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":"sha256:544361c04271d9b7ee3e27d253b7f13f13a58188fbedf4f8e867cf22c7663b64","target":"record","created_at":"2026-07-05T04:53:36Z","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":"ea2f94ab4dd79028360a1d6bef558cedc241a224bb6040064d5fc9d84e72fde4","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-08-31T14:57:22Z","title_canon_sha256":"30cc5f86163d6c88595e6ace56bf83029b98599fb5156604126189056962cf92"},"schema_version":"1.0","source":{"id":"2208.14904","kind":"arxiv","version":1}},"canonical_sha256":"77489821bf5df1e75956896ec4724586d5c20d2c5cc7e67f92b10d4669a57768","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"77489821bf5df1e75956896ec4724586d5c20d2c5cc7e67f92b10d4669a57768","first_computed_at":"2026-07-05T04:53:36.562521Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:53:36.562521Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ViD55nXHbQ2+aGwYMFEzyyQl9JVfkn7jdru6b7fKKKeylMjpPqPwV2LvmYzd/SGAeF5hDeieGddk7GqBlCfYDA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:53:36.562995Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.14904","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:544361c04271d9b7ee3e27d253b7f13f13a58188fbedf4f8e867cf22c7663b64","sha256:59b2dc6f2a3f88cdf5b0165b4cb54e1da11e3f6ddf2c38e63953b31404c2d71b"],"state_sha256":"b6348a0ecd9aaec32ce2aefd6b7605ae1f177033d090b1c6782218087f9b9419"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nt0+d7bxQbUmjhjSUQdl59k0pakfzVmz2sGNaL7rTqJzEDeY1gPjvF2PpvgXwq0Ju8eWi1p5Hxxdh4O5TA6OCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T06:22:19.083026Z","bundle_sha256":"d00f975488801f0984d1fcc284911c503c4711df445dd7185e22b36b42c4985e"}}