{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:S6GSKYO465VNUKUGF32GKSGUHC","short_pith_number":"pith:S6GSKYO4","canonical_record":{"source":{"id":"1409.6830","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-09-24T05:15:56Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"96066d91c12b66b5a1a7551bec92be0b6ef7e243c5f482e3ffce0f76a031269e","abstract_canon_sha256":"4a0983c54f94e3d8a14d4e5ace6f8aafe560e5b1afb881d66055aeb732139680"},"schema_version":"1.0"},"canonical_sha256":"978d2561dcf76ada2a862ef46548d43891e1c0cacc49a31e92d1de84c24a8e1a","source":{"kind":"arxiv","id":"1409.6830","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.6830","created_at":"2026-05-18T01:41:57Z"},{"alias_kind":"arxiv_version","alias_value":"1409.6830v1","created_at":"2026-05-18T01:41:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.6830","created_at":"2026-05-18T01:41:57Z"},{"alias_kind":"pith_short_12","alias_value":"S6GSKYO465VN","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"S6GSKYO465VNUKUG","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"S6GSKYO4","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:S6GSKYO465VNUKUGF32GKSGUHC","target":"record","payload":{"canonical_record":{"source":{"id":"1409.6830","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-09-24T05:15:56Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"96066d91c12b66b5a1a7551bec92be0b6ef7e243c5f482e3ffce0f76a031269e","abstract_canon_sha256":"4a0983c54f94e3d8a14d4e5ace6f8aafe560e5b1afb881d66055aeb732139680"},"schema_version":"1.0"},"canonical_sha256":"978d2561dcf76ada2a862ef46548d43891e1c0cacc49a31e92d1de84c24a8e1a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:57.337082Z","signature_b64":"Xl9IQzmy+ohtUk5CMz+DrD46BM4PZw4VT19TZ3VNOKyssTGWi1HhIIjY7sTVr0pA5/bC3MMy5UGOQcVliDKzDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"978d2561dcf76ada2a862ef46548d43891e1c0cacc49a31e92d1de84c24a8e1a","last_reissued_at":"2026-05-18T01:41:57.336214Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:57.336214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.6830","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":"2026-05-18T01:41:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dO7iuxE1c4dfyMdH208J2ZzPfTv6bvFdJnNz/qqPFaH7zWXNqMW1/k2vzb1L70KS8EiXCE+YrIxIvtscJlc4Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T22:21:33.628627Z"},"content_sha256":"1b1d9af81a1e52cfbfb7713e5754f04041f498d7abdb1d21ffd8d956f65a0f92","schema_version":"1.0","event_id":"sha256:1b1d9af81a1e52cfbfb7713e5754f04041f498d7abdb1d21ffd8d956f65a0f92"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:S6GSKYO465VNUKUGF32GKSGUHC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A New Cepheid Distance Measurement and Method for NGC 6822","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Andrew J. Monson, Barry F. Madore, Jeffrey A. Rich, Mark Seibert, S. E. Persson, Victoria Scowcroft, Wendy L. Freedman","submitted_at":"2014-09-24T05:15:56Z","abstract_excerpt":"We present a revised distance to the nearby galaxy NGC6822 using a new multi-band fit to both previously published and new optical, near- and mid-infrared data for Cepheid variables. The new data presented in this study include multi-epoch observations obtained in 3.6\\um and 4.5\\um with the \\emph{Spitzer Space Telescope} taken for the Carnegie Hubble Program. We also present new observations in J, H and \\kswith FourStar on the Magellan Baade telescope at Las Campanas Observatory. We determine mean magnitudes and present new period-luminosity relations in V, I, J, H, \\ks, IRAC 3.6\\um and 4.5\\um"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.6830","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":"2026-05-18T01:41:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cq+4ZakrSTMD9CdE32HxJzV/BQCNO+I6AJFdAK73GYm6/ikXqDPnMkWv70bB4VXVntS2G4Z1SaiJR8y8vGCBDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T22:21:33.628973Z"},"content_sha256":"f5ebb2a09f343dc155acdd95abeeca49a3622dc513290bb48dee49ae187511dd","schema_version":"1.0","event_id":"sha256:f5ebb2a09f343dc155acdd95abeeca49a3622dc513290bb48dee49ae187511dd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S6GSKYO465VNUKUGF32GKSGUHC/bundle.json","state_url":"https://pith.science/pith/S6GSKYO465VNUKUGF32GKSGUHC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S6GSKYO465VNUKUGF32GKSGUHC/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":"2026-06-26T22:21:33Z","links":{"resolver":"https://pith.science/pith/S6GSKYO465VNUKUGF32GKSGUHC","bundle":"https://pith.science/pith/S6GSKYO465VNUKUGF32GKSGUHC/bundle.json","state":"https://pith.science/pith/S6GSKYO465VNUKUGF32GKSGUHC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S6GSKYO465VNUKUGF32GKSGUHC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:S6GSKYO465VNUKUGF32GKSGUHC","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":"4a0983c54f94e3d8a14d4e5ace6f8aafe560e5b1afb881d66055aeb732139680","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-09-24T05:15:56Z","title_canon_sha256":"96066d91c12b66b5a1a7551bec92be0b6ef7e243c5f482e3ffce0f76a031269e"},"schema_version":"1.0","source":{"id":"1409.6830","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.6830","created_at":"2026-05-18T01:41:57Z"},{"alias_kind":"arxiv_version","alias_value":"1409.6830v1","created_at":"2026-05-18T01:41:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.6830","created_at":"2026-05-18T01:41:57Z"},{"alias_kind":"pith_short_12","alias_value":"S6GSKYO465VN","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"S6GSKYO465VNUKUG","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"S6GSKYO4","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:f5ebb2a09f343dc155acdd95abeeca49a3622dc513290bb48dee49ae187511dd","target":"graph","created_at":"2026-05-18T01:41:57Z","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 revised distance to the nearby galaxy NGC6822 using a new multi-band fit to both previously published and new optical, near- and mid-infrared data for Cepheid variables. The new data presented in this study include multi-epoch observations obtained in 3.6\\um and 4.5\\um with the \\emph{Spitzer Space Telescope} taken for the Carnegie Hubble Program. We also present new observations in J, H and \\kswith FourStar on the Magellan Baade telescope at Las Campanas Observatory. We determine mean magnitudes and present new period-luminosity relations in V, I, J, H, \\ks, IRAC 3.6\\um and 4.5\\um","authors_text":"Andrew J. Monson, Barry F. Madore, Jeffrey A. Rich, Mark Seibert, S. E. Persson, Victoria Scowcroft, Wendy L. Freedman","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-09-24T05:15:56Z","title":"A New Cepheid Distance Measurement and Method for NGC 6822"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.6830","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":"sha256:1b1d9af81a1e52cfbfb7713e5754f04041f498d7abdb1d21ffd8d956f65a0f92","target":"record","created_at":"2026-05-18T01:41:57Z","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":"4a0983c54f94e3d8a14d4e5ace6f8aafe560e5b1afb881d66055aeb732139680","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-09-24T05:15:56Z","title_canon_sha256":"96066d91c12b66b5a1a7551bec92be0b6ef7e243c5f482e3ffce0f76a031269e"},"schema_version":"1.0","source":{"id":"1409.6830","kind":"arxiv","version":1}},"canonical_sha256":"978d2561dcf76ada2a862ef46548d43891e1c0cacc49a31e92d1de84c24a8e1a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"978d2561dcf76ada2a862ef46548d43891e1c0cacc49a31e92d1de84c24a8e1a","first_computed_at":"2026-05-18T01:41:57.336214Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:57.336214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Xl9IQzmy+ohtUk5CMz+DrD46BM4PZw4VT19TZ3VNOKyssTGWi1HhIIjY7sTVr0pA5/bC3MMy5UGOQcVliDKzDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:57.337082Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.6830","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b1d9af81a1e52cfbfb7713e5754f04041f498d7abdb1d21ffd8d956f65a0f92","sha256:f5ebb2a09f343dc155acdd95abeeca49a3622dc513290bb48dee49ae187511dd"],"state_sha256":"21df6e9d62891bb9da27d9c7f5f06ba504618a8996536baba2520fdcb5ad0014"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KK82N7CCV37Ca0Me7aK/RGvtN9VFuizrD57MZYvn9yPOhuSU7ZiTlXOINqHJV5nh88d6yMxBY6KWltR9TzU4Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T22:21:33.630833Z","bundle_sha256":"dea6168dfd16ab2f4966ef359788a2205af921fe867f5399ac779fbf92890351"}}