{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:QPW35HE7FPNQDI6TAD7MJFIDRH","short_pith_number":"pith:QPW35HE7","canonical_record":{"source":{"id":"0911.0198","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-11-01T20:16:42Z","cross_cats_sorted":[],"title_canon_sha256":"e2b10d2d89e9e466a245e06ed9b33248d0ff2b7d96df068405404f8c4c87f621","abstract_canon_sha256":"d963eefd8fd7519f352c581a92ec6714f9230113ae2aa517c3692cb5996da5a1"},"schema_version":"1.0"},"canonical_sha256":"83edbe9c9f2bdb01a3d300fec4950389dc514e1b7ececed4156508edc974a705","source":{"kind":"arxiv","id":"0911.0198","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.0198","created_at":"2026-05-18T02:11:00Z"},{"alias_kind":"arxiv_version","alias_value":"0911.0198v1","created_at":"2026-05-18T02:11:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.0198","created_at":"2026-05-18T02:11:00Z"},{"alias_kind":"pith_short_12","alias_value":"QPW35HE7FPNQ","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"QPW35HE7FPNQDI6T","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"QPW35HE7","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:QPW35HE7FPNQDI6TAD7MJFIDRH","target":"record","payload":{"canonical_record":{"source":{"id":"0911.0198","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-11-01T20:16:42Z","cross_cats_sorted":[],"title_canon_sha256":"e2b10d2d89e9e466a245e06ed9b33248d0ff2b7d96df068405404f8c4c87f621","abstract_canon_sha256":"d963eefd8fd7519f352c581a92ec6714f9230113ae2aa517c3692cb5996da5a1"},"schema_version":"1.0"},"canonical_sha256":"83edbe9c9f2bdb01a3d300fec4950389dc514e1b7ececed4156508edc974a705","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:00.886773Z","signature_b64":"VyHlzm0OvP0X2bATiCagQhCgm1kIXB5gsgGqzTyBHan+l70TRbJNgOuixh9qUs/r+VSb53DwxjKO+KNOMUeiBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"83edbe9c9f2bdb01a3d300fec4950389dc514e1b7ececed4156508edc974a705","last_reissued_at":"2026-05-18T02:11:00.885919Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:00.885919Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0911.0198","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":"2026-05-18T02:11:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YveGxxZj425++hpkgviuEKJW/VZrLCev581MCr8OQP4ii2w9Zb5Bd/aD4nshJ0JZSnI+RHCgy8iMIsJDGvdyBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T05:03:27.732020Z"},"content_sha256":"4c9d369262574aa0ca028d2c808336c268bc94bb6e78f34daaaa3ca183da5572","schema_version":"1.0","event_id":"sha256:4c9d369262574aa0ca028d2c808336c268bc94bb6e78f34daaaa3ca183da5572"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:QPW35HE7FPNQDI6TAD7MJFIDRH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Surface temperature maps for II Peg during 1999-2002","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"I. Ilyin, I. Tuominen, M. J. Korpi, M. Lindborg, N. Piskunov, T. Hackman","submitted_at":"2009-11-01T20:16:42Z","abstract_excerpt":"The active RS CVn star II Peg has been spectroscopically monitored for almost 18 years with the SOFIN spectrograph at NOT, La Palma, Spain. In this paper we present five new surface temperature maps of the object for the years 1999 (two maps), 2001 (one map) and 2002 (two maps)."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.0198","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":"2026-05-18T02:11:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nKe/J4uO+e/RRDoBLlgCh81Ih/lwJea7ARaAEYRqkP13Erqjh3RslSDCFJB9/hKbJRApqyenD75AuI2iYTKtAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T05:03:27.732375Z"},"content_sha256":"9303894a0311eaaed812f8190b1e83e1aae9035d792c907b2d5f43fcf90ce3e2","schema_version":"1.0","event_id":"sha256:9303894a0311eaaed812f8190b1e83e1aae9035d792c907b2d5f43fcf90ce3e2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QPW35HE7FPNQDI6TAD7MJFIDRH/bundle.json","state_url":"https://pith.science/pith/QPW35HE7FPNQDI6TAD7MJFIDRH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QPW35HE7FPNQDI6TAD7MJFIDRH/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":"2026-06-23T05:03:27Z","links":{"resolver":"https://pith.science/pith/QPW35HE7FPNQDI6TAD7MJFIDRH","bundle":"https://pith.science/pith/QPW35HE7FPNQDI6TAD7MJFIDRH/bundle.json","state":"https://pith.science/pith/QPW35HE7FPNQDI6TAD7MJFIDRH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QPW35HE7FPNQDI6TAD7MJFIDRH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:QPW35HE7FPNQDI6TAD7MJFIDRH","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":"d963eefd8fd7519f352c581a92ec6714f9230113ae2aa517c3692cb5996da5a1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-11-01T20:16:42Z","title_canon_sha256":"e2b10d2d89e9e466a245e06ed9b33248d0ff2b7d96df068405404f8c4c87f621"},"schema_version":"1.0","source":{"id":"0911.0198","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.0198","created_at":"2026-05-18T02:11:00Z"},{"alias_kind":"arxiv_version","alias_value":"0911.0198v1","created_at":"2026-05-18T02:11:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.0198","created_at":"2026-05-18T02:11:00Z"},{"alias_kind":"pith_short_12","alias_value":"QPW35HE7FPNQ","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"QPW35HE7FPNQDI6T","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"QPW35HE7","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:9303894a0311eaaed812f8190b1e83e1aae9035d792c907b2d5f43fcf90ce3e2","target":"graph","created_at":"2026-05-18T02:11:00Z","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":"The active RS CVn star II Peg has been spectroscopically monitored for almost 18 years with the SOFIN spectrograph at NOT, La Palma, Spain. In this paper we present five new surface temperature maps of the object for the years 1999 (two maps), 2001 (one map) and 2002 (two maps).","authors_text":"I. Ilyin, I. Tuominen, M. J. Korpi, M. Lindborg, N. Piskunov, T. Hackman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-11-01T20:16:42Z","title":"Surface temperature maps for II Peg during 1999-2002"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.0198","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":"sha256:4c9d369262574aa0ca028d2c808336c268bc94bb6e78f34daaaa3ca183da5572","target":"record","created_at":"2026-05-18T02:11:00Z","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":"d963eefd8fd7519f352c581a92ec6714f9230113ae2aa517c3692cb5996da5a1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-11-01T20:16:42Z","title_canon_sha256":"e2b10d2d89e9e466a245e06ed9b33248d0ff2b7d96df068405404f8c4c87f621"},"schema_version":"1.0","source":{"id":"0911.0198","kind":"arxiv","version":1}},"canonical_sha256":"83edbe9c9f2bdb01a3d300fec4950389dc514e1b7ececed4156508edc974a705","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"83edbe9c9f2bdb01a3d300fec4950389dc514e1b7ececed4156508edc974a705","first_computed_at":"2026-05-18T02:11:00.885919Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:11:00.885919Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VyHlzm0OvP0X2bATiCagQhCgm1kIXB5gsgGqzTyBHan+l70TRbJNgOuixh9qUs/r+VSb53DwxjKO+KNOMUeiBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:11:00.886773Z","signed_message":"canonical_sha256_bytes"},"source_id":"0911.0198","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c9d369262574aa0ca028d2c808336c268bc94bb6e78f34daaaa3ca183da5572","sha256:9303894a0311eaaed812f8190b1e83e1aae9035d792c907b2d5f43fcf90ce3e2"],"state_sha256":"2dd9b577fae51ae4f3a5c01e1e0c1e00fed89892f3264aba25061febf27666cd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MgzP66MRFXS6xjSxhD2Bo8Om0ntbtUDyVp1+urC+zgprhREYSkYrM0Hzt/H1cvKe/TVhxJ2LZoDS4AQ+icrdDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T05:03:27.734340Z","bundle_sha256":"57f83a2901681ec7533c673c02d82d7c74d1583eb485f1c8841f05828bdf2221"}}