{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:YTGFUERQJDYZWG5OLJ2JZ4P266","short_pith_number":"pith:YTGFUERQ","canonical_record":{"source":{"id":"0709.0569","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-09-05T05:39:23Z","cross_cats_sorted":[],"title_canon_sha256":"649fa57850cf0a4b4378b936900eec0c036c5c3c97be0ddf23f667dcdfc051a6","abstract_canon_sha256":"88e6b01e5a84b9258b2f4fcc6da3e601bc469000c1b2dfc67f45930b0cf495c7"},"schema_version":"1.0"},"canonical_sha256":"c4cc5a123048f19b1bae5a749cf1faf7b2b12f946867a208642ac17556369b80","source":{"kind":"arxiv","id":"0709.0569","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0709.0569","created_at":"2026-05-18T02:16:11Z"},{"alias_kind":"arxiv_version","alias_value":"0709.0569v1","created_at":"2026-05-18T02:16:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0709.0569","created_at":"2026-05-18T02:16:11Z"},{"alias_kind":"pith_short_12","alias_value":"YTGFUERQJDYZ","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"YTGFUERQJDYZWG5O","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"YTGFUERQ","created_at":"2026-05-18T12:25:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:YTGFUERQJDYZWG5OLJ2JZ4P266","target":"record","payload":{"canonical_record":{"source":{"id":"0709.0569","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-09-05T05:39:23Z","cross_cats_sorted":[],"title_canon_sha256":"649fa57850cf0a4b4378b936900eec0c036c5c3c97be0ddf23f667dcdfc051a6","abstract_canon_sha256":"88e6b01e5a84b9258b2f4fcc6da3e601bc469000c1b2dfc67f45930b0cf495c7"},"schema_version":"1.0"},"canonical_sha256":"c4cc5a123048f19b1bae5a749cf1faf7b2b12f946867a208642ac17556369b80","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:16:11.527612Z","signature_b64":"rWuZ4jTur1JUDvlOXXZAgNhOiYEeAAzLeTCEH7Axa2o3Di8ZVv/FgrtUYqwVSSvQLpP4Ld9+TFYXVKwPfgCpDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c4cc5a123048f19b1bae5a749cf1faf7b2b12f946867a208642ac17556369b80","last_reissued_at":"2026-05-18T02:16:11.526915Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:16:11.526915Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0709.0569","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":"2026-05-18T02:16:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"es6VahDHVxIsnixSllYJRsAdZcWb6WtPymEr2xaX9d+HcCf+B+zMNk99eNsf4jEjMSgSzrsVg71zPo4CtUG7CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T21:21:46.801581Z"},"content_sha256":"86854ccbc716bc1c41336d51e049f478ea87ba0066ca030d436234511f1e6deb","schema_version":"1.0","event_id":"sha256:86854ccbc716bc1c41336d51e049f478ea87ba0066ca030d436234511f1e6deb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:YTGFUERQJDYZWG5OLJ2JZ4P266","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observations of Sunspot Oscillations in G band and Ca II H line with Solar Optical Telescope on Hinode","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Alan M. Title, Alexander G. Kosovichev, Bruce W. Lites, Hiromoto Shibahashi, Kaori Nagashima, Kiyoshi Ichimoto, Richard A. Shine, Saku Tsuneta, Shin'ichi Nagata, Takashi Sekii, Theodore D. Tarbell, Toshifumi Shimizu, Yoshinori Suematsu, Yukio Katsukawa","submitted_at":"2007-09-05T05:39:23Z","abstract_excerpt":"Exploiting high-resolution observations made by the Solar Optical Telescope onboard Hinode, we investigate the spatial distribution of power spectral density of oscillatory signal in and around NOAA active region 10935. The G-band data show that in the umbra the oscillatory power is suppressed in all frequency ranges. On the other hand, in Ca II H intensity maps oscillations in the umbra, so-called umbral flashes, are clearly seen with the power peaking around 5.5 mHz. The Ca II H power distribution shows the enhanced elements with the spatial scale of the umbral flashes over most of the umbra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0709.0569","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":"2026-05-18T02:16:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZliniZpjikq4zMSLpjRYIy31Kc5qr5wqOR1WADgiDYjsVMMpXUmAZTC/E/YQcEdO1Zhmt0xv5qFM5+srGIxDCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T21:21:46.802274Z"},"content_sha256":"8753765f6cb3ee22dcba64c2aa7c7f3b2fc0b715c8e0aa63559534bcda701895","schema_version":"1.0","event_id":"sha256:8753765f6cb3ee22dcba64c2aa7c7f3b2fc0b715c8e0aa63559534bcda701895"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YTGFUERQJDYZWG5OLJ2JZ4P266/bundle.json","state_url":"https://pith.science/pith/YTGFUERQJDYZWG5OLJ2JZ4P266/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YTGFUERQJDYZWG5OLJ2JZ4P266/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":"2026-05-29T21:21:46Z","links":{"resolver":"https://pith.science/pith/YTGFUERQJDYZWG5OLJ2JZ4P266","bundle":"https://pith.science/pith/YTGFUERQJDYZWG5OLJ2JZ4P266/bundle.json","state":"https://pith.science/pith/YTGFUERQJDYZWG5OLJ2JZ4P266/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YTGFUERQJDYZWG5OLJ2JZ4P266/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:YTGFUERQJDYZWG5OLJ2JZ4P266","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":"88e6b01e5a84b9258b2f4fcc6da3e601bc469000c1b2dfc67f45930b0cf495c7","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-09-05T05:39:23Z","title_canon_sha256":"649fa57850cf0a4b4378b936900eec0c036c5c3c97be0ddf23f667dcdfc051a6"},"schema_version":"1.0","source":{"id":"0709.0569","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0709.0569","created_at":"2026-05-18T02:16:11Z"},{"alias_kind":"arxiv_version","alias_value":"0709.0569v1","created_at":"2026-05-18T02:16:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0709.0569","created_at":"2026-05-18T02:16:11Z"},{"alias_kind":"pith_short_12","alias_value":"YTGFUERQJDYZ","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"YTGFUERQJDYZWG5O","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"YTGFUERQ","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:8753765f6cb3ee22dcba64c2aa7c7f3b2fc0b715c8e0aa63559534bcda701895","target":"graph","created_at":"2026-05-18T02:16:11Z","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":"Exploiting high-resolution observations made by the Solar Optical Telescope onboard Hinode, we investigate the spatial distribution of power spectral density of oscillatory signal in and around NOAA active region 10935. The G-band data show that in the umbra the oscillatory power is suppressed in all frequency ranges. On the other hand, in Ca II H intensity maps oscillations in the umbra, so-called umbral flashes, are clearly seen with the power peaking around 5.5 mHz. The Ca II H power distribution shows the enhanced elements with the spatial scale of the umbral flashes over most of the umbra","authors_text":"Alan M. Title, Alexander G. Kosovichev, Bruce W. Lites, Hiromoto Shibahashi, Kaori Nagashima, Kiyoshi Ichimoto, Richard A. Shine, Saku Tsuneta, Shin'ichi Nagata, Takashi Sekii, Theodore D. Tarbell, Toshifumi Shimizu, Yoshinori Suematsu, Yukio Katsukawa","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-09-05T05:39:23Z","title":"Observations of Sunspot Oscillations in G band and Ca II H line with Solar Optical Telescope on Hinode"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0709.0569","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":"sha256:86854ccbc716bc1c41336d51e049f478ea87ba0066ca030d436234511f1e6deb","target":"record","created_at":"2026-05-18T02:16:11Z","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":"88e6b01e5a84b9258b2f4fcc6da3e601bc469000c1b2dfc67f45930b0cf495c7","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-09-05T05:39:23Z","title_canon_sha256":"649fa57850cf0a4b4378b936900eec0c036c5c3c97be0ddf23f667dcdfc051a6"},"schema_version":"1.0","source":{"id":"0709.0569","kind":"arxiv","version":1}},"canonical_sha256":"c4cc5a123048f19b1bae5a749cf1faf7b2b12f946867a208642ac17556369b80","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c4cc5a123048f19b1bae5a749cf1faf7b2b12f946867a208642ac17556369b80","first_computed_at":"2026-05-18T02:16:11.526915Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:16:11.526915Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rWuZ4jTur1JUDvlOXXZAgNhOiYEeAAzLeTCEH7Axa2o3Di8ZVv/FgrtUYqwVSSvQLpP4Ld9+TFYXVKwPfgCpDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:16:11.527612Z","signed_message":"canonical_sha256_bytes"},"source_id":"0709.0569","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:86854ccbc716bc1c41336d51e049f478ea87ba0066ca030d436234511f1e6deb","sha256:8753765f6cb3ee22dcba64c2aa7c7f3b2fc0b715c8e0aa63559534bcda701895"],"state_sha256":"6d148c7261c1a1cd584878c2a856b9534d5e0cb0c7c3f20f98809c28bdbce81d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G9+cAsF/zgoMtOHldZH7bvzifNWKtdbeznuFjDkvy+Y/kq7d0HDQ9IFnPV2BShUCoee7owSrEteik8gSYR0bCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T21:21:46.805878Z","bundle_sha256":"59a991b72e05215b942d2449b191e51d8b6ec5abbb21c3ca340e0a7b1314aa27"}}