{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:LRRZF7KTVHAHE7NNIGKQ2FA67Y","short_pith_number":"pith:LRRZF7KT","canonical_record":{"source":{"id":"1301.5626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-23T20:41:42Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"1fd633a82d2d655d9d19bad631133982043263354ca44e63f2e35441e0777736","abstract_canon_sha256":"2a1c298c603546099f8c39ecfcfad329e338f06b77b0f25f52962b2e53854aee"},"schema_version":"1.0"},"canonical_sha256":"5c6392fd53a9c0727dad41950d141efe1e1fe9cd40cd8d718ff892d6b8e025a0","source":{"kind":"arxiv","id":"1301.5626","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.5626","created_at":"2026-05-18T01:51:59Z"},{"alias_kind":"arxiv_version","alias_value":"1301.5626v1","created_at":"2026-05-18T01:51:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.5626","created_at":"2026-05-18T01:51:59Z"},{"alias_kind":"pith_short_12","alias_value":"LRRZF7KTVHAH","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"LRRZF7KTVHAHE7NN","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"LRRZF7KT","created_at":"2026-05-18T12:27:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:LRRZF7KTVHAHE7NNIGKQ2FA67Y","target":"record","payload":{"canonical_record":{"source":{"id":"1301.5626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-23T20:41:42Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"1fd633a82d2d655d9d19bad631133982043263354ca44e63f2e35441e0777736","abstract_canon_sha256":"2a1c298c603546099f8c39ecfcfad329e338f06b77b0f25f52962b2e53854aee"},"schema_version":"1.0"},"canonical_sha256":"5c6392fd53a9c0727dad41950d141efe1e1fe9cd40cd8d718ff892d6b8e025a0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:59.252999Z","signature_b64":"6SLtq8+HpOytt8Xi+y0zZs4XqTqGXPCmaxGv3MmujRybdmj3QZ7Ljm/AHU7hhNEsvf1NtR+oVq7EGpPgLxB1Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c6392fd53a9c0727dad41950d141efe1e1fe9cd40cd8d718ff892d6b8e025a0","last_reissued_at":"2026-05-18T01:51:59.252386Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:59.252386Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.5626","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":"2026-05-18T01:51:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xnBtZ4600K84gN5ec1/BucqxEitK3SkCE0df+ZC0Yjsga0ycHeKwvF/SSkts2AxSmyrU9cls0L6sXSmcLj3HCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T19:32:34.918516Z"},"content_sha256":"c6920aeb57830a1bd25ca2a4f8ad8f5ab33a47151a610fe41dee501c02ff3082","schema_version":"1.0","event_id":"sha256:c6920aeb57830a1bd25ca2a4f8ad8f5ab33a47151a610fe41dee501c02ff3082"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:LRRZF7KTVHAHE7NNIGKQ2FA67Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Physical Parameters for RR Lyrae Stars in the SDSS Filter System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"2), (2) Valparaiso, (3) Michigan State, (4) Vanderbilt, (5) Macquarie, Australia), C. Caceres (1, G. I. Torrealba (1), H. A. Smith (3), M. Catelan (1), M. Fitzgerald (5) ((1) PUC-Chile, N. De Lee (4)","submitted_at":"2013-01-23T20:41:42Z","abstract_excerpt":"We present a calibration of the metallicity and physical parameters (temperature, luminosity, gravity, mass, radius) for RR Lyrae stars using the ugriz SDSS photometric system. Our work is based on calculations of synthetic horizontal branches (HBs), fully taking into account evolutionary effects for a wide range in metallicities and HB morphologies. We provide analytical fits that are able to provide all quantities mentioned with very high (internal) precision, based solely on mean SDSS magnitudes and colors."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.5626","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":"2026-05-18T01:51:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XjNrFXAZGs0IqtvjFWj9xntUliCbzdXADNS+EODma+F49NsWXzqFx8hFWkRwjXVE4wG5jVcODdv6gtqQTWoNBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T19:32:34.919239Z"},"content_sha256":"5bdb7bad6d727e0f28299422d35b9e44d9e8450b94107e49e7c03897e6d62432","schema_version":"1.0","event_id":"sha256:5bdb7bad6d727e0f28299422d35b9e44d9e8450b94107e49e7c03897e6d62432"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LRRZF7KTVHAHE7NNIGKQ2FA67Y/bundle.json","state_url":"https://pith.science/pith/LRRZF7KTVHAHE7NNIGKQ2FA67Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LRRZF7KTVHAHE7NNIGKQ2FA67Y/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":"2026-05-24T19:32:34Z","links":{"resolver":"https://pith.science/pith/LRRZF7KTVHAHE7NNIGKQ2FA67Y","bundle":"https://pith.science/pith/LRRZF7KTVHAHE7NNIGKQ2FA67Y/bundle.json","state":"https://pith.science/pith/LRRZF7KTVHAHE7NNIGKQ2FA67Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LRRZF7KTVHAHE7NNIGKQ2FA67Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:LRRZF7KTVHAHE7NNIGKQ2FA67Y","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":"2a1c298c603546099f8c39ecfcfad329e338f06b77b0f25f52962b2e53854aee","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-23T20:41:42Z","title_canon_sha256":"1fd633a82d2d655d9d19bad631133982043263354ca44e63f2e35441e0777736"},"schema_version":"1.0","source":{"id":"1301.5626","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.5626","created_at":"2026-05-18T01:51:59Z"},{"alias_kind":"arxiv_version","alias_value":"1301.5626v1","created_at":"2026-05-18T01:51:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.5626","created_at":"2026-05-18T01:51:59Z"},{"alias_kind":"pith_short_12","alias_value":"LRRZF7KTVHAH","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"LRRZF7KTVHAHE7NN","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"LRRZF7KT","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:5bdb7bad6d727e0f28299422d35b9e44d9e8450b94107e49e7c03897e6d62432","target":"graph","created_at":"2026-05-18T01:51:59Z","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":"We present a calibration of the metallicity and physical parameters (temperature, luminosity, gravity, mass, radius) for RR Lyrae stars using the ugriz SDSS photometric system. Our work is based on calculations of synthetic horizontal branches (HBs), fully taking into account evolutionary effects for a wide range in metallicities and HB morphologies. We provide analytical fits that are able to provide all quantities mentioned with very high (internal) precision, based solely on mean SDSS magnitudes and colors.","authors_text":"2), (2) Valparaiso, (3) Michigan State, (4) Vanderbilt, (5) Macquarie, Australia), C. Caceres (1, G. I. Torrealba (1), H. A. Smith (3), M. Catelan (1), M. Fitzgerald (5) ((1) PUC-Chile, N. De Lee (4)","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-23T20:41:42Z","title":"Physical Parameters for RR Lyrae Stars in the SDSS Filter System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.5626","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:c6920aeb57830a1bd25ca2a4f8ad8f5ab33a47151a610fe41dee501c02ff3082","target":"record","created_at":"2026-05-18T01:51:59Z","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":"2a1c298c603546099f8c39ecfcfad329e338f06b77b0f25f52962b2e53854aee","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-01-23T20:41:42Z","title_canon_sha256":"1fd633a82d2d655d9d19bad631133982043263354ca44e63f2e35441e0777736"},"schema_version":"1.0","source":{"id":"1301.5626","kind":"arxiv","version":1}},"canonical_sha256":"5c6392fd53a9c0727dad41950d141efe1e1fe9cd40cd8d718ff892d6b8e025a0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5c6392fd53a9c0727dad41950d141efe1e1fe9cd40cd8d718ff892d6b8e025a0","first_computed_at":"2026-05-18T01:51:59.252386Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:59.252386Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6SLtq8+HpOytt8Xi+y0zZs4XqTqGXPCmaxGv3MmujRybdmj3QZ7Ljm/AHU7hhNEsvf1NtR+oVq7EGpPgLxB1Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:59.252999Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.5626","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c6920aeb57830a1bd25ca2a4f8ad8f5ab33a47151a610fe41dee501c02ff3082","sha256:5bdb7bad6d727e0f28299422d35b9e44d9e8450b94107e49e7c03897e6d62432"],"state_sha256":"041c6342f658ac0d3907bcce5e99c688c4c5b2f431ed59729f3310c900125f55"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cy7U57fZQTkyCYL1rVows/BV5RFuDy7EcLTRUjs+0wT0xj9iF8GUQHNtcXuenCKp92fw1mVEPp408u1CrL3sCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T19:32:34.923739Z","bundle_sha256":"b1cb14793539cb0a7df1463e0dcb79d9ca6d7d0786947d281c3d4a1de0ff4208"}}