{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:Q2PONKDLQ4WJWE7YD22WF2H6DK","short_pith_number":"pith:Q2PONKDL","canonical_record":{"source":{"id":"1807.03544","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-10T09:20:39Z","cross_cats_sorted":["astro-ph.GA","stat.AP"],"title_canon_sha256":"d89aa9063b0f48893b1dc19eb85c62b01f18c75001a76d72ae995b87105d30a3","abstract_canon_sha256":"a271a356939fcfa83f710712512bf125189e93549201a9b71663081870b4304f"},"schema_version":"1.0"},"canonical_sha256":"869ee6a86b872c9b13f81eb562e8fe1a8004c0cd5e111e93912ef700a0aee9f6","source":{"kind":"arxiv","id":"1807.03544","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.03544","created_at":"2026-05-18T00:07:06Z"},{"alias_kind":"arxiv_version","alias_value":"1807.03544v1","created_at":"2026-05-18T00:07:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.03544","created_at":"2026-05-18T00:07:06Z"},{"alias_kind":"pith_short_12","alias_value":"Q2PONKDLQ4WJ","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"Q2PONKDLQ4WJWE7Y","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"Q2PONKDL","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:Q2PONKDLQ4WJWE7YD22WF2H6DK","target":"record","payload":{"canonical_record":{"source":{"id":"1807.03544","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-10T09:20:39Z","cross_cats_sorted":["astro-ph.GA","stat.AP"],"title_canon_sha256":"d89aa9063b0f48893b1dc19eb85c62b01f18c75001a76d72ae995b87105d30a3","abstract_canon_sha256":"a271a356939fcfa83f710712512bf125189e93549201a9b71663081870b4304f"},"schema_version":"1.0"},"canonical_sha256":"869ee6a86b872c9b13f81eb562e8fe1a8004c0cd5e111e93912ef700a0aee9f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:06.274924Z","signature_b64":"uMRX+dppzEAujBdU+kXe7QluZBf/eQCeM+U4d+8WBVQJ9vhISSi+wpuTGu4Tdu+ou5V2AQ0RKLQkajtYjKlWBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"869ee6a86b872c9b13f81eb562e8fe1a8004c0cd5e111e93912ef700a0aee9f6","last_reissued_at":"2026-05-18T00:07:06.274371Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:06.274371Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.03544","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":"2026-05-18T00:07:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TrjnCI0UenchbdlWy+OIxKF9OKK8y/cT/NmXARNf3dNfqPrUnbsrnftiFspNlzGYsSG+oUSXmphZooTuDhxfBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:17:26.902467Z"},"content_sha256":"264e26bdfbec3da4c686808c0cd71edb58d33bdbe3bb929a5035b0fbdb9ccf72","schema_version":"1.0","event_id":"sha256:264e26bdfbec3da4c686808c0cd71edb58d33bdbe3bb929a5035b0fbdb9ccf72"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:Q2PONKDLQ4WJWE7YD22WF2H6DK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Near-infrared Mira Period-Luminosity Relations in M33","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","stat.AP"],"primary_cat":"astro-ph.SR","authors_text":"Atefeh Javadi, Jianhua Z. Huang, Lucas M. Macri, Wenlong Yuan, Zhenfeng Lin","submitted_at":"2018-07-10T09:20:39Z","abstract_excerpt":"We analyze sparsely-sampled near-infrared (JHKs) light curves of a sample of 1781 Mira variable candidates in M33, originally discovered using I-band time-series observations. We extend our single-band semi-parametric Gaussian process modeling of Mira light curves to a multi-band version and obtain improved period determinations. We use our previous results on near-infrared properties of candidate Miras in the LMC to classify the majority of the M33 sample into Oxygen- or Carbon-rich subsets. We derive Period-Luminosity relations for O-rich Miras and determine a distance modulus for M33 of 24."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.03544","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":"2026-05-18T00:07:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r39B0XPRy4yntQ4WcjMinXSudYQRRzyjuGp0fslgaE16MjJHPF6zu5Q1MyX6KO4XUtetcJbI3NwQcdSNlqwPDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:17:26.903109Z"},"content_sha256":"80cf7ec7d27bec28590d0c953f86760ea22e265d34d10484ae262f04c088be9d","schema_version":"1.0","event_id":"sha256:80cf7ec7d27bec28590d0c953f86760ea22e265d34d10484ae262f04c088be9d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q2PONKDLQ4WJWE7YD22WF2H6DK/bundle.json","state_url":"https://pith.science/pith/Q2PONKDLQ4WJWE7YD22WF2H6DK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q2PONKDLQ4WJWE7YD22WF2H6DK/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":"2026-05-27T02:17:26Z","links":{"resolver":"https://pith.science/pith/Q2PONKDLQ4WJWE7YD22WF2H6DK","bundle":"https://pith.science/pith/Q2PONKDLQ4WJWE7YD22WF2H6DK/bundle.json","state":"https://pith.science/pith/Q2PONKDLQ4WJWE7YD22WF2H6DK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q2PONKDLQ4WJWE7YD22WF2H6DK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:Q2PONKDLQ4WJWE7YD22WF2H6DK","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":"a271a356939fcfa83f710712512bf125189e93549201a9b71663081870b4304f","cross_cats_sorted":["astro-ph.GA","stat.AP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-10T09:20:39Z","title_canon_sha256":"d89aa9063b0f48893b1dc19eb85c62b01f18c75001a76d72ae995b87105d30a3"},"schema_version":"1.0","source":{"id":"1807.03544","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.03544","created_at":"2026-05-18T00:07:06Z"},{"alias_kind":"arxiv_version","alias_value":"1807.03544v1","created_at":"2026-05-18T00:07:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.03544","created_at":"2026-05-18T00:07:06Z"},{"alias_kind":"pith_short_12","alias_value":"Q2PONKDLQ4WJ","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"Q2PONKDLQ4WJWE7Y","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"Q2PONKDL","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:80cf7ec7d27bec28590d0c953f86760ea22e265d34d10484ae262f04c088be9d","target":"graph","created_at":"2026-05-18T00:07:06Z","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 analyze sparsely-sampled near-infrared (JHKs) light curves of a sample of 1781 Mira variable candidates in M33, originally discovered using I-band time-series observations. We extend our single-band semi-parametric Gaussian process modeling of Mira light curves to a multi-band version and obtain improved period determinations. We use our previous results on near-infrared properties of candidate Miras in the LMC to classify the majority of the M33 sample into Oxygen- or Carbon-rich subsets. We derive Period-Luminosity relations for O-rich Miras and determine a distance modulus for M33 of 24.","authors_text":"Atefeh Javadi, Jianhua Z. Huang, Lucas M. Macri, Wenlong Yuan, Zhenfeng Lin","cross_cats":["astro-ph.GA","stat.AP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-10T09:20:39Z","title":"Near-infrared Mira Period-Luminosity Relations in M33"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.03544","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":"sha256:264e26bdfbec3da4c686808c0cd71edb58d33bdbe3bb929a5035b0fbdb9ccf72","target":"record","created_at":"2026-05-18T00:07:06Z","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":"a271a356939fcfa83f710712512bf125189e93549201a9b71663081870b4304f","cross_cats_sorted":["astro-ph.GA","stat.AP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-07-10T09:20:39Z","title_canon_sha256":"d89aa9063b0f48893b1dc19eb85c62b01f18c75001a76d72ae995b87105d30a3"},"schema_version":"1.0","source":{"id":"1807.03544","kind":"arxiv","version":1}},"canonical_sha256":"869ee6a86b872c9b13f81eb562e8fe1a8004c0cd5e111e93912ef700a0aee9f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"869ee6a86b872c9b13f81eb562e8fe1a8004c0cd5e111e93912ef700a0aee9f6","first_computed_at":"2026-05-18T00:07:06.274371Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:07:06.274371Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uMRX+dppzEAujBdU+kXe7QluZBf/eQCeM+U4d+8WBVQJ9vhISSi+wpuTGu4Tdu+ou5V2AQ0RKLQkajtYjKlWBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:07:06.274924Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.03544","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:264e26bdfbec3da4c686808c0cd71edb58d33bdbe3bb929a5035b0fbdb9ccf72","sha256:80cf7ec7d27bec28590d0c953f86760ea22e265d34d10484ae262f04c088be9d"],"state_sha256":"e601e8e5e9551f87f1e8d352b4ed8f88a4488ce4eddc8fc19d4d32ef49541c2a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+nIJoswzr27BsH5tCipz08AcxGEhJ5cmoAZ8wC2PHWRR/EEqO6eUsML6vFo9REGtPlUgxjiMECaTICtS6UHpBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T02:17:26.906305Z","bundle_sha256":"bcd74d2f85698c1734d66cd5aa184841e051aa7e25fd3531068661c68404aec7"}}