{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:E6UYTVAPO6T3RAAIG2USI3JG2R","short_pith_number":"pith:E6UYTVAP","canonical_record":{"source":{"id":"1210.1676","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-10-05T08:42:49Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"9830fd4fde7cf781eb86e7a1699f005e433973bd2243bcdb4c6dcabbfecb36e1","abstract_canon_sha256":"64be076410f473e7befb47f7e3afaf8a24df5a770344c021fdf5049c148bfdb8"},"schema_version":"1.0"},"canonical_sha256":"27a989d40f77a7b8800836a9246d26d45ca95838c3762d0bf4bf5579a5c4dcf4","source":{"kind":"arxiv","id":"1210.1676","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.1676","created_at":"2026-05-18T01:54:05Z"},{"alias_kind":"arxiv_version","alias_value":"1210.1676v1","created_at":"2026-05-18T01:54:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.1676","created_at":"2026-05-18T01:54:05Z"},{"alias_kind":"pith_short_12","alias_value":"E6UYTVAPO6T3","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"E6UYTVAPO6T3RAAI","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"E6UYTVAP","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:E6UYTVAPO6T3RAAIG2USI3JG2R","target":"record","payload":{"canonical_record":{"source":{"id":"1210.1676","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-10-05T08:42:49Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"9830fd4fde7cf781eb86e7a1699f005e433973bd2243bcdb4c6dcabbfecb36e1","abstract_canon_sha256":"64be076410f473e7befb47f7e3afaf8a24df5a770344c021fdf5049c148bfdb8"},"schema_version":"1.0"},"canonical_sha256":"27a989d40f77a7b8800836a9246d26d45ca95838c3762d0bf4bf5579a5c4dcf4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:54:05.408121Z","signature_b64":"/oFqBCIr/LL/fbMsbSCz6af/VUTEpjdnr3RKx6i8UmgpqHchlyj/wKmSXPbNaaopBAv4PB4AbW7NAHSgggaUAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"27a989d40f77a7b8800836a9246d26d45ca95838c3762d0bf4bf5579a5c4dcf4","last_reissued_at":"2026-05-18T01:54:05.407578Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:54:05.407578Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.1676","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":"2026-05-18T01:54:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d1bQJ8qoYBZsUih6enqVuwrbZEvj84rSEjK0dxyLjBQk83qphcbNeuhJXTh/fb/UOYYjvw+V6dXxbxrhxTdOAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T20:32:01.560593Z"},"content_sha256":"28144e04845a1fe0861dadc4f89cf3da5b25e28228efaa7101f0358566898315","schema_version":"1.0","event_id":"sha256:28144e04845a1fe0861dadc4f89cf3da5b25e28228efaa7101f0358566898315"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:E6UYTVAPO6T3RAAIG2USI3JG2R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Starspot activity and rotation of the planet-hosting star Kepler-17","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Aldo S. Bonomo, Antonino F. Lanza","submitted_at":"2012-10-05T08:42:49Z","abstract_excerpt":"Context. Kepler-17 is a G2V sun-like star accompanied by a transiting planet with a mass of ~2.5 Jupiter masses and an orbital period of 1.486 d, recently discovered by the Kepler space telescope. This star is highly interesting as a young solar analogue. Aims. We used about 500 days of high-precision, high-duty-cycle optical photometry collected by Kepler to study the rotation of the star and the evolution of its photospheric active regions. Methods. We applied a maximum-entropy light curve inversion technique to model the flux rotational modulation induced by active regions that consist of d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.1676","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":"2026-05-18T01:54:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PogK/f+2IsAuUHmH681rNHfFS+E4vMAw8x35/Bsy7D/LbGIGopM243k2jC5LsjV6ZejoUTbPlBaVEEDmQQnCDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T20:32:01.561360Z"},"content_sha256":"518cb147c8912dc696f5c7d70f7c686658ea807331a83fb76abf43327f6f3947","schema_version":"1.0","event_id":"sha256:518cb147c8912dc696f5c7d70f7c686658ea807331a83fb76abf43327f6f3947"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E6UYTVAPO6T3RAAIG2USI3JG2R/bundle.json","state_url":"https://pith.science/pith/E6UYTVAPO6T3RAAIG2USI3JG2R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E6UYTVAPO6T3RAAIG2USI3JG2R/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":"2026-06-08T20:32:01Z","links":{"resolver":"https://pith.science/pith/E6UYTVAPO6T3RAAIG2USI3JG2R","bundle":"https://pith.science/pith/E6UYTVAPO6T3RAAIG2USI3JG2R/bundle.json","state":"https://pith.science/pith/E6UYTVAPO6T3RAAIG2USI3JG2R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E6UYTVAPO6T3RAAIG2USI3JG2R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:E6UYTVAPO6T3RAAIG2USI3JG2R","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":"64be076410f473e7befb47f7e3afaf8a24df5a770344c021fdf5049c148bfdb8","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-10-05T08:42:49Z","title_canon_sha256":"9830fd4fde7cf781eb86e7a1699f005e433973bd2243bcdb4c6dcabbfecb36e1"},"schema_version":"1.0","source":{"id":"1210.1676","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.1676","created_at":"2026-05-18T01:54:05Z"},{"alias_kind":"arxiv_version","alias_value":"1210.1676v1","created_at":"2026-05-18T01:54:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.1676","created_at":"2026-05-18T01:54:05Z"},{"alias_kind":"pith_short_12","alias_value":"E6UYTVAPO6T3","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"E6UYTVAPO6T3RAAI","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"E6UYTVAP","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:518cb147c8912dc696f5c7d70f7c686658ea807331a83fb76abf43327f6f3947","target":"graph","created_at":"2026-05-18T01:54:05Z","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":"Context. Kepler-17 is a G2V sun-like star accompanied by a transiting planet with a mass of ~2.5 Jupiter masses and an orbital period of 1.486 d, recently discovered by the Kepler space telescope. This star is highly interesting as a young solar analogue. Aims. We used about 500 days of high-precision, high-duty-cycle optical photometry collected by Kepler to study the rotation of the star and the evolution of its photospheric active regions. Methods. We applied a maximum-entropy light curve inversion technique to model the flux rotational modulation induced by active regions that consist of d","authors_text":"Aldo S. Bonomo, Antonino F. Lanza","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-10-05T08:42:49Z","title":"Starspot activity and rotation of the planet-hosting star Kepler-17"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.1676","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":"sha256:28144e04845a1fe0861dadc4f89cf3da5b25e28228efaa7101f0358566898315","target":"record","created_at":"2026-05-18T01:54:05Z","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":"64be076410f473e7befb47f7e3afaf8a24df5a770344c021fdf5049c148bfdb8","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-10-05T08:42:49Z","title_canon_sha256":"9830fd4fde7cf781eb86e7a1699f005e433973bd2243bcdb4c6dcabbfecb36e1"},"schema_version":"1.0","source":{"id":"1210.1676","kind":"arxiv","version":1}},"canonical_sha256":"27a989d40f77a7b8800836a9246d26d45ca95838c3762d0bf4bf5579a5c4dcf4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"27a989d40f77a7b8800836a9246d26d45ca95838c3762d0bf4bf5579a5c4dcf4","first_computed_at":"2026-05-18T01:54:05.407578Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:54:05.407578Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/oFqBCIr/LL/fbMsbSCz6af/VUTEpjdnr3RKx6i8UmgpqHchlyj/wKmSXPbNaaopBAv4PB4AbW7NAHSgggaUAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:54:05.408121Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.1676","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:28144e04845a1fe0861dadc4f89cf3da5b25e28228efaa7101f0358566898315","sha256:518cb147c8912dc696f5c7d70f7c686658ea807331a83fb76abf43327f6f3947"],"state_sha256":"c21cfb6fcd538bbe036838445e103e110a0e3b118010f9c33ef94e4a06d04056"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J4PV83+tavacqT6lpuhutemhoBtQMYkSOjAubugPuMy3BEj4plUdyDYxDOsvxhJu9VTvVp45uaPLduA6KhWqCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T20:32:01.565499Z","bundle_sha256":"62d3341dc399aa1cbb928db2e0f6707eb733ddb775260318129e81574c8f6e81"}}