{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:D3R4PI4V563OBTKELQS3TRFPPK","short_pith_number":"pith:D3R4PI4V","canonical_record":{"source":{"id":"1301.1472","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-08T10:20:29Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"0be152091450e2d96dc1418dc3726d00ec51c76e667e8a7cbc7dcc4927cc13cc","abstract_canon_sha256":"7112b0b15eebbe63df14b7242f2f09a10d357abb9eb18becb2e27de1fec9875e"},"schema_version":"1.0"},"canonical_sha256":"1ee3c7a395efb6e0cd445c25b9c4af7a8aa2f2bb158c1b59a4c059bcb1b67d69","source":{"kind":"arxiv","id":"1301.1472","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.1472","created_at":"2026-05-18T02:51:15Z"},{"alias_kind":"arxiv_version","alias_value":"1301.1472v2","created_at":"2026-05-18T02:51:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.1472","created_at":"2026-05-18T02:51:15Z"},{"alias_kind":"pith_short_12","alias_value":"D3R4PI4V563O","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"D3R4PI4V563OBTKE","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"D3R4PI4V","created_at":"2026-05-18T12:27:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:D3R4PI4V563OBTKELQS3TRFPPK","target":"record","payload":{"canonical_record":{"source":{"id":"1301.1472","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-08T10:20:29Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"0be152091450e2d96dc1418dc3726d00ec51c76e667e8a7cbc7dcc4927cc13cc","abstract_canon_sha256":"7112b0b15eebbe63df14b7242f2f09a10d357abb9eb18becb2e27de1fec9875e"},"schema_version":"1.0"},"canonical_sha256":"1ee3c7a395efb6e0cd445c25b9c4af7a8aa2f2bb158c1b59a4c059bcb1b67d69","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:51:15.204078Z","signature_b64":"CXSn6qRx1NeIm4Q6sKH9KmrHAO1kOsWFuXtcEC9Nmbmx/AukOSbt68T2u2Is1EoNPPIpAaad7ysXMFerJInTCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1ee3c7a395efb6e0cd445c25b9c4af7a8aa2f2bb158c1b59a4c059bcb1b67d69","last_reissued_at":"2026-05-18T02:51:15.203632Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:51:15.203632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.1472","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":"2026-05-18T02:51:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ghQ5c2Y82j4g8HfJWWFirmPfXxoFjdgmZT2aizwwB2j9n8rdrIvcJ8lQPCZqMlUiiw9lq8cetnkEV4aWcSiqCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T02:41:16.206474Z"},"content_sha256":"2d8f189bddb25d7bf651325658243853fd649f3725c89ca3bd01e7e472e301b9","schema_version":"1.0","event_id":"sha256:2d8f189bddb25d7bf651325658243853fd649f3725c89ca3bd01e7e472e301b9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:D3R4PI4V563OBTKELQS3TRFPPK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Properties of extrasolar planets and their host stars - a case study of HAT-P-7","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Conny Aerts, Hans Kjeldsen, Joergen Christensen-Dalsgaard, Vincent Van Eylen","submitted_at":"2013-01-08T10:20:29Z","abstract_excerpt":"Data from the Kepler satellite (Q0-Q11) are used to study HAT-P-7. The satellite's data are extremely valuable for asteroseismic studies of stars and for observing planetary transits; in this work we do both. An asteroseismic study of the host star improves the accuracy of the stellar parameters derived by Christensen-Dalsgaard et al. (2010), who followed largely the same procedure but based the analysis on only one month of Kepler data. The stellar information is combined with transit observations, phase variations and occultations to derive planetary parameters. In particular, we confirm the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.1472","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":"2026-05-18T02:51:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dyfV+fFgcwIhMg+M6+ZwuwHcKX7VQQChFdm0oxcCQqG5wml4ZwNO84fd+9FVzJmEQlN0GNd+CrXpSx+cCP22CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T02:41:16.206825Z"},"content_sha256":"5e74139bcad1b8913dc74fe46b35ef0d883e966a5f9634707f8819ca26e46a88","schema_version":"1.0","event_id":"sha256:5e74139bcad1b8913dc74fe46b35ef0d883e966a5f9634707f8819ca26e46a88"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D3R4PI4V563OBTKELQS3TRFPPK/bundle.json","state_url":"https://pith.science/pith/D3R4PI4V563OBTKELQS3TRFPPK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D3R4PI4V563OBTKELQS3TRFPPK/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":"2026-06-20T02:41:16Z","links":{"resolver":"https://pith.science/pith/D3R4PI4V563OBTKELQS3TRFPPK","bundle":"https://pith.science/pith/D3R4PI4V563OBTKELQS3TRFPPK/bundle.json","state":"https://pith.science/pith/D3R4PI4V563OBTKELQS3TRFPPK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D3R4PI4V563OBTKELQS3TRFPPK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:D3R4PI4V563OBTKELQS3TRFPPK","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":"7112b0b15eebbe63df14b7242f2f09a10d357abb9eb18becb2e27de1fec9875e","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-08T10:20:29Z","title_canon_sha256":"0be152091450e2d96dc1418dc3726d00ec51c76e667e8a7cbc7dcc4927cc13cc"},"schema_version":"1.0","source":{"id":"1301.1472","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.1472","created_at":"2026-05-18T02:51:15Z"},{"alias_kind":"arxiv_version","alias_value":"1301.1472v2","created_at":"2026-05-18T02:51:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.1472","created_at":"2026-05-18T02:51:15Z"},{"alias_kind":"pith_short_12","alias_value":"D3R4PI4V563O","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"D3R4PI4V563OBTKE","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"D3R4PI4V","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:5e74139bcad1b8913dc74fe46b35ef0d883e966a5f9634707f8819ca26e46a88","target":"graph","created_at":"2026-05-18T02:51:15Z","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":"Data from the Kepler satellite (Q0-Q11) are used to study HAT-P-7. The satellite's data are extremely valuable for asteroseismic studies of stars and for observing planetary transits; in this work we do both. An asteroseismic study of the host star improves the accuracy of the stellar parameters derived by Christensen-Dalsgaard et al. (2010), who followed largely the same procedure but based the analysis on only one month of Kepler data. The stellar information is combined with transit observations, phase variations and occultations to derive planetary parameters. In particular, we confirm the","authors_text":"Conny Aerts, Hans Kjeldsen, Joergen Christensen-Dalsgaard, Vincent Van Eylen","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-08T10:20:29Z","title":"Properties of extrasolar planets and their host stars - a case study of HAT-P-7"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.1472","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":"sha256:2d8f189bddb25d7bf651325658243853fd649f3725c89ca3bd01e7e472e301b9","target":"record","created_at":"2026-05-18T02:51:15Z","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":"7112b0b15eebbe63df14b7242f2f09a10d357abb9eb18becb2e27de1fec9875e","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-08T10:20:29Z","title_canon_sha256":"0be152091450e2d96dc1418dc3726d00ec51c76e667e8a7cbc7dcc4927cc13cc"},"schema_version":"1.0","source":{"id":"1301.1472","kind":"arxiv","version":2}},"canonical_sha256":"1ee3c7a395efb6e0cd445c25b9c4af7a8aa2f2bb158c1b59a4c059bcb1b67d69","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1ee3c7a395efb6e0cd445c25b9c4af7a8aa2f2bb158c1b59a4c059bcb1b67d69","first_computed_at":"2026-05-18T02:51:15.203632Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:51:15.203632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CXSn6qRx1NeIm4Q6sKH9KmrHAO1kOsWFuXtcEC9Nmbmx/AukOSbt68T2u2Is1EoNPPIpAaad7ysXMFerJInTCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:51:15.204078Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.1472","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2d8f189bddb25d7bf651325658243853fd649f3725c89ca3bd01e7e472e301b9","sha256:5e74139bcad1b8913dc74fe46b35ef0d883e966a5f9634707f8819ca26e46a88"],"state_sha256":"ae0f153a9cd8f5ca3378ce0f047e9e518d1039af45c56ad44412d8641fe3752b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EuTjujeqGYyDYnZy4CSn0EWpCY3YfH80BHC+CIyQxdpxQFcIerNg6Ra6XjR0LIvdGVmRnP3Q1qc9ulZ9yqpoDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T02:41:16.208757Z","bundle_sha256":"07157978d6fa689c0ba9c1ba3fd5e195e4297c91baef1f710c34a425a4553b7a"}}