{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:IUWA7FI77MJYFFVFKFWMBDGDCY","short_pith_number":"pith:IUWA7FI7","canonical_record":{"source":{"id":"1209.5286","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-09-24T14:52:31Z","cross_cats_sorted":["physics.space-ph"],"title_canon_sha256":"859e9066947a004906dac5a497b3723388d7756cbfc81bbed2c27c008d11b3f6","abstract_canon_sha256":"5ea9fe2aaaec1d4762fffc1b3588604e52387fe3cabc59a734bac953df9bc840"},"schema_version":"1.0"},"canonical_sha256":"452c0f951ffb138296a5516cc08cc3163442360af9f132b20da756af29ed4c4f","source":{"kind":"arxiv","id":"1209.5286","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.5286","created_at":"2026-05-18T03:41:58Z"},{"alias_kind":"arxiv_version","alias_value":"1209.5286v1","created_at":"2026-05-18T03:41:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5286","created_at":"2026-05-18T03:41:58Z"},{"alias_kind":"pith_short_12","alias_value":"IUWA7FI77MJY","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"IUWA7FI77MJYFFVF","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"IUWA7FI7","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:IUWA7FI77MJYFFVFKFWMBDGDCY","target":"record","payload":{"canonical_record":{"source":{"id":"1209.5286","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-09-24T14:52:31Z","cross_cats_sorted":["physics.space-ph"],"title_canon_sha256":"859e9066947a004906dac5a497b3723388d7756cbfc81bbed2c27c008d11b3f6","abstract_canon_sha256":"5ea9fe2aaaec1d4762fffc1b3588604e52387fe3cabc59a734bac953df9bc840"},"schema_version":"1.0"},"canonical_sha256":"452c0f951ffb138296a5516cc08cc3163442360af9f132b20da756af29ed4c4f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:41:58.366934Z","signature_b64":"6sVDZkXTJtWELUGeQyHBykuo+NmJCtWbX+jjPTkyvtSEGy2Bn8etOHHwA4eChCa5djlQTKXtBLYidzL1UrC0BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"452c0f951ffb138296a5516cc08cc3163442360af9f132b20da756af29ed4c4f","last_reissued_at":"2026-05-18T03:41:58.365899Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:41:58.365899Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.5286","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":"2026-05-18T03:41:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iT5KQ3O11v17sbPnqQHt7PMS9OnqHRoKhP9c1OzRYzMv0mOomn+C7cBfunzbAy/we8nk8MBhdTnTFjfwDMg5Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T18:55:13.566123Z"},"content_sha256":"6f7b2d8a11fd756f2ad3a36d8dbc9759d29b336f8edb579fbc2770f1b5c8cdd3","schema_version":"1.0","event_id":"sha256:6f7b2d8a11fd756f2ad3a36d8dbc9759d29b336f8edb579fbc2770f1b5c8cdd3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:IUWA7FI77MJYFFVFKFWMBDGDCY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Persistent Doppler shift oscillations observed with HINODE/EIS in the solar corona: spectroscopic signatures of Alfvenic waves and recurring upflows","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.space-ph"],"primary_cat":"astro-ph.SR","authors_text":"Bart De Pontieu, Davina E. Innes, Hardi Peter, Hui Tian, Leon Ofman, Scott W. McIntosh, Tongjiang Wang","submitted_at":"2012-09-24T14:52:31Z","abstract_excerpt":"Using data obtained by the EUV Imaging Spectrometer (EIS) onboard Hinode, we have per- formed a survey of obvious and persistent (without significant damping) Doppler shift oscillations in the corona. We have found mainly two types of oscillations from February to April in 2007. One type is found at loop footpoint regions, with a dominant period around 10 minutes. They are characterized by coherent behavior of all line parameters (line intensity, Doppler shift, line width and profile asymmetry), apparent blue shift and blueward asymmetry throughout almost the en- tire duration. Such oscillatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5286","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":"2026-05-18T03:41:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2Z5OHsjQTgbUb2dgt3ncIFUD7hfL4Pk9X7MUKNcEadvjunWNATY1mdUUzTPc4Fw5I/aqiAKcNGU57g2S6DoJBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T18:55:13.566832Z"},"content_sha256":"cff34fdb179f0e3d29ae075fd80871644533a32d50580381cd46f4d5c1ddc007","schema_version":"1.0","event_id":"sha256:cff34fdb179f0e3d29ae075fd80871644533a32d50580381cd46f4d5c1ddc007"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IUWA7FI77MJYFFVFKFWMBDGDCY/bundle.json","state_url":"https://pith.science/pith/IUWA7FI77MJYFFVFKFWMBDGDCY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IUWA7FI77MJYFFVFKFWMBDGDCY/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":"2026-06-05T18:55:13Z","links":{"resolver":"https://pith.science/pith/IUWA7FI77MJYFFVFKFWMBDGDCY","bundle":"https://pith.science/pith/IUWA7FI77MJYFFVFKFWMBDGDCY/bundle.json","state":"https://pith.science/pith/IUWA7FI77MJYFFVFKFWMBDGDCY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IUWA7FI77MJYFFVFKFWMBDGDCY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:IUWA7FI77MJYFFVFKFWMBDGDCY","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":"5ea9fe2aaaec1d4762fffc1b3588604e52387fe3cabc59a734bac953df9bc840","cross_cats_sorted":["physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-09-24T14:52:31Z","title_canon_sha256":"859e9066947a004906dac5a497b3723388d7756cbfc81bbed2c27c008d11b3f6"},"schema_version":"1.0","source":{"id":"1209.5286","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.5286","created_at":"2026-05-18T03:41:58Z"},{"alias_kind":"arxiv_version","alias_value":"1209.5286v1","created_at":"2026-05-18T03:41:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5286","created_at":"2026-05-18T03:41:58Z"},{"alias_kind":"pith_short_12","alias_value":"IUWA7FI77MJY","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"IUWA7FI77MJYFFVF","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"IUWA7FI7","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:cff34fdb179f0e3d29ae075fd80871644533a32d50580381cd46f4d5c1ddc007","target":"graph","created_at":"2026-05-18T03:41:58Z","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":"Using data obtained by the EUV Imaging Spectrometer (EIS) onboard Hinode, we have per- formed a survey of obvious and persistent (without significant damping) Doppler shift oscillations in the corona. We have found mainly two types of oscillations from February to April in 2007. One type is found at loop footpoint regions, with a dominant period around 10 minutes. They are characterized by coherent behavior of all line parameters (line intensity, Doppler shift, line width and profile asymmetry), apparent blue shift and blueward asymmetry throughout almost the en- tire duration. Such oscillatio","authors_text":"Bart De Pontieu, Davina E. Innes, Hardi Peter, Hui Tian, Leon Ofman, Scott W. McIntosh, Tongjiang Wang","cross_cats":["physics.space-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-09-24T14:52:31Z","title":"Persistent Doppler shift oscillations observed with HINODE/EIS in the solar corona: spectroscopic signatures of Alfvenic waves and recurring upflows"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5286","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":"sha256:6f7b2d8a11fd756f2ad3a36d8dbc9759d29b336f8edb579fbc2770f1b5c8cdd3","target":"record","created_at":"2026-05-18T03:41:58Z","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":"5ea9fe2aaaec1d4762fffc1b3588604e52387fe3cabc59a734bac953df9bc840","cross_cats_sorted":["physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-09-24T14:52:31Z","title_canon_sha256":"859e9066947a004906dac5a497b3723388d7756cbfc81bbed2c27c008d11b3f6"},"schema_version":"1.0","source":{"id":"1209.5286","kind":"arxiv","version":1}},"canonical_sha256":"452c0f951ffb138296a5516cc08cc3163442360af9f132b20da756af29ed4c4f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"452c0f951ffb138296a5516cc08cc3163442360af9f132b20da756af29ed4c4f","first_computed_at":"2026-05-18T03:41:58.365899Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:41:58.365899Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6sVDZkXTJtWELUGeQyHBykuo+NmJCtWbX+jjPTkyvtSEGy2Bn8etOHHwA4eChCa5djlQTKXtBLYidzL1UrC0BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:41:58.366934Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.5286","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6f7b2d8a11fd756f2ad3a36d8dbc9759d29b336f8edb579fbc2770f1b5c8cdd3","sha256:cff34fdb179f0e3d29ae075fd80871644533a32d50580381cd46f4d5c1ddc007"],"state_sha256":"b5af73b6b4189ae3b199f230d7018ed7c886b45dd6a968ca5a1ba03589750c49"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x4D4fzcgjP2cuV96cz6l8zCYkpJr2l6RF8udKfjxOcm1S6o+x5SLofyBCR/Fd9ucuYzEskEFGdg+k8CVL6siAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T18:55:13.570579Z","bundle_sha256":"a4bfc33fde67ebdf10a62179f6e990e341c1b9b954cd7f98dabba5a797bf8035"}}