{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:TDUSUROCMLOXWSPY23PPGUUI2X","short_pith_number":"pith:TDUSUROC","canonical_record":{"source":{"id":"1610.05067","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-10-17T12:12:53Z","cross_cats_sorted":[],"title_canon_sha256":"bac1dc962b5747c8197f23325d4f528e5b5db0d0f785f3fd7297a62fa1d2da65","abstract_canon_sha256":"e9dfab35e87528a4b1feea81e3e76af72dc823db08f85902c24dacf3ed53d913"},"schema_version":"1.0"},"canonical_sha256":"98e92a45c262dd7b49f8d6def35288d5ee34ad3027d868f66337783811e47a83","source":{"kind":"arxiv","id":"1610.05067","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.05067","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"arxiv_version","alias_value":"1610.05067v2","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.05067","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"pith_short_12","alias_value":"TDUSUROCMLOX","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"TDUSUROCMLOXWSPY","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"TDUSUROC","created_at":"2026-05-18T12:30:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:TDUSUROCMLOXWSPY23PPGUUI2X","target":"record","payload":{"canonical_record":{"source":{"id":"1610.05067","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-10-17T12:12:53Z","cross_cats_sorted":[],"title_canon_sha256":"bac1dc962b5747c8197f23325d4f528e5b5db0d0f785f3fd7297a62fa1d2da65","abstract_canon_sha256":"e9dfab35e87528a4b1feea81e3e76af72dc823db08f85902c24dacf3ed53d913"},"schema_version":"1.0"},"canonical_sha256":"98e92a45c262dd7b49f8d6def35288d5ee34ad3027d868f66337783811e47a83","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:07.138783Z","signature_b64":"qoZWc3D0da0WiexIcA0dpmT5/iE6wARbB1HbyOG2wxyjKLml72EuD60tcuKCNOZr+UVj/encDwWjPyoJAon3Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"98e92a45c262dd7b49f8d6def35288d5ee34ad3027d868f66337783811e47a83","last_reissued_at":"2026-05-18T00:53:07.138372Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:07.138372Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.05067","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:53:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yzAlSFJ0w16usdcewVz+jSup0MYsxYz4kFcK36Kvq7DcdU37GMXTV63sHTK/ubKQqmuzniIl8xMh7QagKAvYCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T05:24:24.136175Z"},"content_sha256":"d3f097702d4ae286a5b3fc04dd29ab4fe129c5b5124666dad0f0d98c6e12ca55","schema_version":"1.0","event_id":"sha256:d3f097702d4ae286a5b3fc04dd29ab4fe129c5b5124666dad0f0d98c6e12ca55"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:TDUSUROCMLOXWSPY23PPGUUI2X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Short-term evolution and coexistence of spots, plages and flare activity on LQ Hydrae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"K. G. Strassmeier, M. Flores Soriano","submitted_at":"2016-10-17T12:12:53Z","abstract_excerpt":"Four months of quasi-simultaneous spectroscopic and photometric observations were used to study the variations of the photometric light curve, the evolution of the chromospheric activity from the H$\\alpha$ and H$\\beta$ lines, and the distribution of cool spots from Doppler maps.\n  During our observations one side of the star was more active than the other. The equivalent width of the H$\\alpha$ line from the least active hemisphere increased from ~0.7 {\\AA} at the beginning of the observation to 1.0 {\\AA} at the end. The basal emission of the most active hemisphere remained roughly constant at "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.05067","kind":"arxiv","version":2},"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":"2026-05-18T00:53:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"snerm7um0aq5/sBbhWzOsZbXH4nHITryhJch+81ve3fNbyd09+6/pfMrrUnIG1TP00ib9bK6zcQgo5SLaOANAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T05:24:24.136942Z"},"content_sha256":"da3cb916a56659dd56c9038cf115bcb936530580489114c84b660ea3e00580ca","schema_version":"1.0","event_id":"sha256:da3cb916a56659dd56c9038cf115bcb936530580489114c84b660ea3e00580ca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TDUSUROCMLOXWSPY23PPGUUI2X/bundle.json","state_url":"https://pith.science/pith/TDUSUROCMLOXWSPY23PPGUUI2X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TDUSUROCMLOXWSPY23PPGUUI2X/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":"2026-06-09T05:24:24Z","links":{"resolver":"https://pith.science/pith/TDUSUROCMLOXWSPY23PPGUUI2X","bundle":"https://pith.science/pith/TDUSUROCMLOXWSPY23PPGUUI2X/bundle.json","state":"https://pith.science/pith/TDUSUROCMLOXWSPY23PPGUUI2X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TDUSUROCMLOXWSPY23PPGUUI2X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:TDUSUROCMLOXWSPY23PPGUUI2X","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":"e9dfab35e87528a4b1feea81e3e76af72dc823db08f85902c24dacf3ed53d913","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-10-17T12:12:53Z","title_canon_sha256":"bac1dc962b5747c8197f23325d4f528e5b5db0d0f785f3fd7297a62fa1d2da65"},"schema_version":"1.0","source":{"id":"1610.05067","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.05067","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"arxiv_version","alias_value":"1610.05067v2","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.05067","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"pith_short_12","alias_value":"TDUSUROCMLOX","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"TDUSUROCMLOXWSPY","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"TDUSUROC","created_at":"2026-05-18T12:30:44Z"}],"graph_snapshots":[{"event_id":"sha256:da3cb916a56659dd56c9038cf115bcb936530580489114c84b660ea3e00580ca","target":"graph","created_at":"2026-05-18T00:53:07Z","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":"Four months of quasi-simultaneous spectroscopic and photometric observations were used to study the variations of the photometric light curve, the evolution of the chromospheric activity from the H$\\alpha$ and H$\\beta$ lines, and the distribution of cool spots from Doppler maps.\n  During our observations one side of the star was more active than the other. The equivalent width of the H$\\alpha$ line from the least active hemisphere increased from ~0.7 {\\AA} at the beginning of the observation to 1.0 {\\AA} at the end. The basal emission of the most active hemisphere remained roughly constant at ","authors_text":"K. G. Strassmeier, M. Flores Soriano","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-10-17T12:12:53Z","title":"Short-term evolution and coexistence of spots, plages and flare activity on LQ Hydrae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.05067","kind":"arxiv","version":2},"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:d3f097702d4ae286a5b3fc04dd29ab4fe129c5b5124666dad0f0d98c6e12ca55","target":"record","created_at":"2026-05-18T00:53:07Z","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":"e9dfab35e87528a4b1feea81e3e76af72dc823db08f85902c24dacf3ed53d913","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-10-17T12:12:53Z","title_canon_sha256":"bac1dc962b5747c8197f23325d4f528e5b5db0d0f785f3fd7297a62fa1d2da65"},"schema_version":"1.0","source":{"id":"1610.05067","kind":"arxiv","version":2}},"canonical_sha256":"98e92a45c262dd7b49f8d6def35288d5ee34ad3027d868f66337783811e47a83","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"98e92a45c262dd7b49f8d6def35288d5ee34ad3027d868f66337783811e47a83","first_computed_at":"2026-05-18T00:53:07.138372Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:07.138372Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qoZWc3D0da0WiexIcA0dpmT5/iE6wARbB1HbyOG2wxyjKLml72EuD60tcuKCNOZr+UVj/encDwWjPyoJAon3Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:07.138783Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.05067","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d3f097702d4ae286a5b3fc04dd29ab4fe129c5b5124666dad0f0d98c6e12ca55","sha256:da3cb916a56659dd56c9038cf115bcb936530580489114c84b660ea3e00580ca"],"state_sha256":"2f38a6194944108ccc47f9197f8ab1ee3c272ab1d45106b6b60e8bec0450fffd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8+Juo2dFpWOcQAfLnlvo8RmNl9r+/S1kj1EVGGWBCv8sSmAFU2AwX2+nJnXyLnfZJRHxyGnfoTWiwmHMx+TgDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T05:24:24.141099Z","bundle_sha256":"a6f410d36694a6e1f02c0f704e83c7be82668ee3e984d3a1d8ca80b4211220de"}}