{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:Y5JDETDHQ2SRYOSUGRYCZ3DY6C","short_pith_number":"pith:Y5JDETDH","canonical_record":{"source":{"id":"1204.2308","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-04-11T00:31:11Z","cross_cats_sorted":[],"title_canon_sha256":"c57f67e749731332b33edd5f168431e6341e5997e65307a0f557540aa40c843c","abstract_canon_sha256":"9c056b9b09128a1d3eb6da293e21f13f5a01ece5d481a34ef59d2ce1c00ee05c"},"schema_version":"1.0"},"canonical_sha256":"c752324c6786a51c3a5434702cec78f088f62eac27f08470bd413d79e5e58f80","source":{"kind":"arxiv","id":"1204.2308","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.2308","created_at":"2026-05-18T01:57:53Z"},{"alias_kind":"arxiv_version","alias_value":"1204.2308v2","created_at":"2026-05-18T01:57:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.2308","created_at":"2026-05-18T01:57:53Z"},{"alias_kind":"pith_short_12","alias_value":"Y5JDETDHQ2SR","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"Y5JDETDHQ2SRYOSU","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"Y5JDETDH","created_at":"2026-05-18T12:27:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:Y5JDETDHQ2SRYOSUGRYCZ3DY6C","target":"record","payload":{"canonical_record":{"source":{"id":"1204.2308","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-04-11T00:31:11Z","cross_cats_sorted":[],"title_canon_sha256":"c57f67e749731332b33edd5f168431e6341e5997e65307a0f557540aa40c843c","abstract_canon_sha256":"9c056b9b09128a1d3eb6da293e21f13f5a01ece5d481a34ef59d2ce1c00ee05c"},"schema_version":"1.0"},"canonical_sha256":"c752324c6786a51c3a5434702cec78f088f62eac27f08470bd413d79e5e58f80","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:53.791499Z","signature_b64":"+2BQOnufKTQXRyFFnIApztyCxBB1RYrPYQNVMlwu1SFC1fkC7yXGeX3IMXTIKOOHrz4cP0Qfz8f/tfUWSOFmDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c752324c6786a51c3a5434702cec78f088f62eac27f08470bd413d79e5e58f80","last_reissued_at":"2026-05-18T01:57:53.791009Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:53.791009Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.2308","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:57:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gSa99uUvPkgIWS+u3CYEksAm+z3pLIv+BAiM4HyqAnQv5H3Y0f+wX18p+O6mqfREkTDRBroM5t4mHwzS9wFjAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T11:50:18.454148Z"},"content_sha256":"0fb51c3729b0adfc88f9c1b232ffc2f5270287573473a101d081cf207746f7ab","schema_version":"1.0","event_id":"sha256:0fb51c3729b0adfc88f9c1b232ffc2f5270287573473a101d081cf207746f7ab"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:Y5JDETDHQ2SRYOSUGRYCZ3DY6C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Near-infrared observations of type Ia supernovae: The best known standard candle for cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Gal-Yam, C. Lidman, D. A. Howell, D. Poznanski, D. Xu, E. Ofek, E. Y. Hsiao, I. Arcavi, I. M. Hook, J. Cooke, J. Mould, J. S. B. Wyithe, K. Maguire, M. M. Kasliwal, M. Sullivan, P. E. Nugent, R. L. Barone-Nugent, S. B. Cenko","submitted_at":"2012-04-11T00:31:11Z","abstract_excerpt":"We present an analysis of the Hubble diagram for 12 Type Ia supernovae (SNe Ia) observed in the near-infrared J and H bands. We select SNe exclusively from the redshift range 0.03 < z < 0.09 to reduce uncertainties coming from peculiar velocities while remaining in a cosmologically well-understood region. All of the SNe in our sample exhibit no spectral or B-band light-curve peculiarities and lie in the B-band stretch range of 0.8-1.15. Our results suggest that SNe Ia observed in the near-infrared (NIR) are the best known standard candles. We fit previously determined NIR light-curve templates"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.2308","kind":"arxiv","version":2},"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":"2026-05-18T01:57:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WAQ7sN2cWRfb59d9Uik/yZUfEGrQUh6xWbEckZnSY6hYcg5AEotPF78OoQnIr2ea+MtZXlkF53utaPzuAfAuCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T11:50:18.454704Z"},"content_sha256":"4750cd0fee68a334de12213030b042f31d4f0ab6addf4c46e6a8621b7d6a7e17","schema_version":"1.0","event_id":"sha256:4750cd0fee68a334de12213030b042f31d4f0ab6addf4c46e6a8621b7d6a7e17"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y5JDETDHQ2SRYOSUGRYCZ3DY6C/bundle.json","state_url":"https://pith.science/pith/Y5JDETDHQ2SRYOSUGRYCZ3DY6C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y5JDETDHQ2SRYOSUGRYCZ3DY6C/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":"2026-05-20T11:50:18Z","links":{"resolver":"https://pith.science/pith/Y5JDETDHQ2SRYOSUGRYCZ3DY6C","bundle":"https://pith.science/pith/Y5JDETDHQ2SRYOSUGRYCZ3DY6C/bundle.json","state":"https://pith.science/pith/Y5JDETDHQ2SRYOSUGRYCZ3DY6C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y5JDETDHQ2SRYOSUGRYCZ3DY6C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:Y5JDETDHQ2SRYOSUGRYCZ3DY6C","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":"9c056b9b09128a1d3eb6da293e21f13f5a01ece5d481a34ef59d2ce1c00ee05c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-04-11T00:31:11Z","title_canon_sha256":"c57f67e749731332b33edd5f168431e6341e5997e65307a0f557540aa40c843c"},"schema_version":"1.0","source":{"id":"1204.2308","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.2308","created_at":"2026-05-18T01:57:53Z"},{"alias_kind":"arxiv_version","alias_value":"1204.2308v2","created_at":"2026-05-18T01:57:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.2308","created_at":"2026-05-18T01:57:53Z"},{"alias_kind":"pith_short_12","alias_value":"Y5JDETDHQ2SR","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"Y5JDETDHQ2SRYOSU","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"Y5JDETDH","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:4750cd0fee68a334de12213030b042f31d4f0ab6addf4c46e6a8621b7d6a7e17","target":"graph","created_at":"2026-05-18T01:57:53Z","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 an analysis of the Hubble diagram for 12 Type Ia supernovae (SNe Ia) observed in the near-infrared J and H bands. We select SNe exclusively from the redshift range 0.03 < z < 0.09 to reduce uncertainties coming from peculiar velocities while remaining in a cosmologically well-understood region. All of the SNe in our sample exhibit no spectral or B-band light-curve peculiarities and lie in the B-band stretch range of 0.8-1.15. Our results suggest that SNe Ia observed in the near-infrared (NIR) are the best known standard candles. We fit previously determined NIR light-curve templates","authors_text":"A. Gal-Yam, C. Lidman, D. A. Howell, D. Poznanski, D. Xu, E. Ofek, E. Y. Hsiao, I. Arcavi, I. M. Hook, J. Cooke, J. Mould, J. S. B. Wyithe, K. Maguire, M. M. Kasliwal, M. Sullivan, P. E. Nugent, R. L. Barone-Nugent, S. B. Cenko","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-04-11T00:31:11Z","title":"Near-infrared observations of type Ia supernovae: The best known standard candle for cosmology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.2308","kind":"arxiv","version":2},"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":"sha256:0fb51c3729b0adfc88f9c1b232ffc2f5270287573473a101d081cf207746f7ab","target":"record","created_at":"2026-05-18T01:57:53Z","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":"9c056b9b09128a1d3eb6da293e21f13f5a01ece5d481a34ef59d2ce1c00ee05c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-04-11T00:31:11Z","title_canon_sha256":"c57f67e749731332b33edd5f168431e6341e5997e65307a0f557540aa40c843c"},"schema_version":"1.0","source":{"id":"1204.2308","kind":"arxiv","version":2}},"canonical_sha256":"c752324c6786a51c3a5434702cec78f088f62eac27f08470bd413d79e5e58f80","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c752324c6786a51c3a5434702cec78f088f62eac27f08470bd413d79e5e58f80","first_computed_at":"2026-05-18T01:57:53.791009Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:53.791009Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+2BQOnufKTQXRyFFnIApztyCxBB1RYrPYQNVMlwu1SFC1fkC7yXGeX3IMXTIKOOHrz4cP0Qfz8f/tfUWSOFmDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:53.791499Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.2308","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0fb51c3729b0adfc88f9c1b232ffc2f5270287573473a101d081cf207746f7ab","sha256:4750cd0fee68a334de12213030b042f31d4f0ab6addf4c46e6a8621b7d6a7e17"],"state_sha256":"7620ac99263984b40eabc4eaa306194e08ef605d00dcd77440ab03e8281f0273"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+21E/QBVINfuCOOlNI5gRYbYxPOA0iw+qlIrb/tN6s+OLW0xK3CzKqQHnGCvwd7BIKk/5B9wHFvCMF8zJM/hDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T11:50:18.457667Z","bundle_sha256":"d6476085982706df56245bc9d48555b147371b205453b31efaddaa538815507c"}}