{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:VMAJJ7VQR3NLADETW43AIQ4QGH","short_pith_number":"pith:VMAJJ7VQ","canonical_record":{"source":{"id":"2410.10747","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-10-14T17:23:23Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"f12a16a1b015b521bedc0151968488c52c602f1dd6ff8960b76666147c8ceffa","abstract_canon_sha256":"ab16bef546781f03f91e9886f4f0027dfbdf4d73a0b6387626f0c8fee2f7b97c"},"schema_version":"1.0"},"canonical_sha256":"ab0094feb08edab00c93b73604439031d7ba07669d27f76564f50a2fd9a70f54","source":{"kind":"arxiv","id":"2410.10747","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.10747","created_at":"2026-07-05T10:07:27Z"},{"alias_kind":"arxiv_version","alias_value":"2410.10747v3","created_at":"2026-07-05T10:07:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.10747","created_at":"2026-07-05T10:07:27Z"},{"alias_kind":"pith_short_12","alias_value":"VMAJJ7VQR3NL","created_at":"2026-07-05T10:07:27Z"},{"alias_kind":"pith_short_16","alias_value":"VMAJJ7VQR3NLADET","created_at":"2026-07-05T10:07:27Z"},{"alias_kind":"pith_short_8","alias_value":"VMAJJ7VQ","created_at":"2026-07-05T10:07:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:VMAJJ7VQR3NLADETW43AIQ4QGH","target":"record","payload":{"canonical_record":{"source":{"id":"2410.10747","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-10-14T17:23:23Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"f12a16a1b015b521bedc0151968488c52c602f1dd6ff8960b76666147c8ceffa","abstract_canon_sha256":"ab16bef546781f03f91e9886f4f0027dfbdf4d73a0b6387626f0c8fee2f7b97c"},"schema_version":"1.0"},"canonical_sha256":"ab0094feb08edab00c93b73604439031d7ba07669d27f76564f50a2fd9a70f54","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:07:27.899556Z","signature_b64":"cG467a46j6QxAQZyO5L/eBzvpYeSbSgOy2mr0yCCV9vP21pCa3EG6sc+bXLhOfrctbMRPhpzhEYwa6RGJr4BDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab0094feb08edab00c93b73604439031d7ba07669d27f76564f50a2fd9a70f54","last_reissued_at":"2026-07-05T10:07:27.899087Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:07:27.899087Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2410.10747","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:07:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pk0F0XiuYD/gFzSjtTFtixYUXcLDQWfXQ+Jnt+LGD9lXTzjqN8kr/J3KGhcBuJLDBucF9mHV0kxIZ21VvtPQDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T12:23:51.337901Z"},"content_sha256":"25544c46e126cbfc5e480e3155e82eb299d0b40d517f93627784a346a0220bfa","schema_version":"1.0","event_id":"sha256:25544c46e126cbfc5e480e3155e82eb299d0b40d517f93627784a346a0220bfa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:VMAJJ7VQR3NLADETW43AIQ4QGH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Milky Way Classical Cepheids Distances from Calibrated Infrared Period-Luminosity-Metallicity Relations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Huajian Wang, Xiaodian Chen","submitted_at":"2024-10-14T17:23:23Z","abstract_excerpt":"Classical Cepheids (DCEPs) serve as fundamental standard candles for measuring cosmic distances and investigating the structure and evolution of the Milky Way disc. However, accurate distance estimation faces challenges due to severe extinction, particularly toward the Galactic center. Although the $Gaia$ Wesenheit magnitude reduces extinction effects, its reliance on a constant optical extinction law introduces significant uncertainties in regions of heavy obscuration. Infrared Period-Luminosity relations, combined with 3D extinction maps, offer an alternative, but these maps become unreliabl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.10747","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2410.10747/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T10:07:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A6DABn+RvGNS86vnAiP/h7B/Arjn75VgyujzdF/9jILr/AB/XUHdRZ7YGrX9DDRicbmnjWgKy9ffRA6o0prEDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T12:23:51.338408Z"},"content_sha256":"46e5dbf57cbdcb84c7c4d804914df49187d33e5852da8917bdfc7553ea76059d","schema_version":"1.0","event_id":"sha256:46e5dbf57cbdcb84c7c4d804914df49187d33e5852da8917bdfc7553ea76059d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VMAJJ7VQR3NLADETW43AIQ4QGH/bundle.json","state_url":"https://pith.science/pith/VMAJJ7VQR3NLADETW43AIQ4QGH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VMAJJ7VQR3NLADETW43AIQ4QGH/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":"2026-08-12T12:23:51Z","links":{"resolver":"https://pith.science/pith/VMAJJ7VQR3NLADETW43AIQ4QGH","bundle":"https://pith.science/pith/VMAJJ7VQR3NLADETW43AIQ4QGH/bundle.json","state":"https://pith.science/pith/VMAJJ7VQR3NLADETW43AIQ4QGH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VMAJJ7VQR3NLADETW43AIQ4QGH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:VMAJJ7VQR3NLADETW43AIQ4QGH","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":"ab16bef546781f03f91e9886f4f0027dfbdf4d73a0b6387626f0c8fee2f7b97c","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-10-14T17:23:23Z","title_canon_sha256":"f12a16a1b015b521bedc0151968488c52c602f1dd6ff8960b76666147c8ceffa"},"schema_version":"1.0","source":{"id":"2410.10747","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.10747","created_at":"2026-07-05T10:07:27Z"},{"alias_kind":"arxiv_version","alias_value":"2410.10747v3","created_at":"2026-07-05T10:07:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.10747","created_at":"2026-07-05T10:07:27Z"},{"alias_kind":"pith_short_12","alias_value":"VMAJJ7VQR3NL","created_at":"2026-07-05T10:07:27Z"},{"alias_kind":"pith_short_16","alias_value":"VMAJJ7VQR3NLADET","created_at":"2026-07-05T10:07:27Z"},{"alias_kind":"pith_short_8","alias_value":"VMAJJ7VQ","created_at":"2026-07-05T10:07:27Z"}],"graph_snapshots":[{"event_id":"sha256:46e5dbf57cbdcb84c7c4d804914df49187d33e5852da8917bdfc7553ea76059d","target":"graph","created_at":"2026-07-05T10:07:27Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2410.10747/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Classical Cepheids (DCEPs) serve as fundamental standard candles for measuring cosmic distances and investigating the structure and evolution of the Milky Way disc. However, accurate distance estimation faces challenges due to severe extinction, particularly toward the Galactic center. Although the $Gaia$ Wesenheit magnitude reduces extinction effects, its reliance on a constant optical extinction law introduces significant uncertainties in regions of heavy obscuration. Infrared Period-Luminosity relations, combined with 3D extinction maps, offer an alternative, but these maps become unreliabl","authors_text":"Huajian Wang, Xiaodian Chen","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-10-14T17:23:23Z","title":"Milky Way Classical Cepheids Distances from Calibrated Infrared Period-Luminosity-Metallicity Relations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.10747","kind":"arxiv","version":3},"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":"sha256:25544c46e126cbfc5e480e3155e82eb299d0b40d517f93627784a346a0220bfa","target":"record","created_at":"2026-07-05T10:07:27Z","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":"ab16bef546781f03f91e9886f4f0027dfbdf4d73a0b6387626f0c8fee2f7b97c","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-10-14T17:23:23Z","title_canon_sha256":"f12a16a1b015b521bedc0151968488c52c602f1dd6ff8960b76666147c8ceffa"},"schema_version":"1.0","source":{"id":"2410.10747","kind":"arxiv","version":3}},"canonical_sha256":"ab0094feb08edab00c93b73604439031d7ba07669d27f76564f50a2fd9a70f54","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ab0094feb08edab00c93b73604439031d7ba07669d27f76564f50a2fd9a70f54","first_computed_at":"2026-07-05T10:07:27.899087Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:07:27.899087Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cG467a46j6QxAQZyO5L/eBzvpYeSbSgOy2mr0yCCV9vP21pCa3EG6sc+bXLhOfrctbMRPhpzhEYwa6RGJr4BDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:07:27.899556Z","signed_message":"canonical_sha256_bytes"},"source_id":"2410.10747","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:25544c46e126cbfc5e480e3155e82eb299d0b40d517f93627784a346a0220bfa","sha256:46e5dbf57cbdcb84c7c4d804914df49187d33e5852da8917bdfc7553ea76059d"],"state_sha256":"172b1f7d2bc261cdfa639327fb1ac19951ef7a16871afad96f1eb81b112dd81e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cT4h+s2Be9mSnf5q38Pgg+ZQ+6sFsb9T/C+97NFr9p/ooxk+6Cg5/A8Y353FWmO8ifZs0SaoxrHQ+8RExwVBAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T12:23:51.343276Z","bundle_sha256":"bb0b683dcaf745227b5bb7d6f58d71671188e8d7df6106c33b785f94c0ecbf55"}}