{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:IOB44YIUVE4MM4YTHF2QRJER3Y","short_pith_number":"pith:IOB44YIU","canonical_record":{"source":{"id":"1110.5626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-25T19:44:22Z","cross_cats_sorted":[],"title_canon_sha256":"d9b3a04d233e646db02f2e866cd255d43b4713677d177ec507dc4ad2ff11a5ce","abstract_canon_sha256":"3db4299cb8264cd917e66fb049a10c1e8cbdf9e33da4072ab67723bf681ef525"},"schema_version":"1.0"},"canonical_sha256":"4383ce6114a938c67313397508a491de05b03055457f4a2cc040e3417e549d25","source":{"kind":"arxiv","id":"1110.5626","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.5626","created_at":"2026-05-18T02:00:03Z"},{"alias_kind":"arxiv_version","alias_value":"1110.5626v1","created_at":"2026-05-18T02:00:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.5626","created_at":"2026-05-18T02:00:03Z"},{"alias_kind":"pith_short_12","alias_value":"IOB44YIUVE4M","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"IOB44YIUVE4MM4YT","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"IOB44YIU","created_at":"2026-05-18T12:26:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:IOB44YIUVE4MM4YTHF2QRJER3Y","target":"record","payload":{"canonical_record":{"source":{"id":"1110.5626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-25T19:44:22Z","cross_cats_sorted":[],"title_canon_sha256":"d9b3a04d233e646db02f2e866cd255d43b4713677d177ec507dc4ad2ff11a5ce","abstract_canon_sha256":"3db4299cb8264cd917e66fb049a10c1e8cbdf9e33da4072ab67723bf681ef525"},"schema_version":"1.0"},"canonical_sha256":"4383ce6114a938c67313397508a491de05b03055457f4a2cc040e3417e549d25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:03.897699Z","signature_b64":"Tqig/8xxr+KJ6dZfbc0Ri8EmE8GgeBgGZJhQ+z27xgf6La+w1/vedd9Pszsverx/e9gXBa778pW/n629p2C5AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4383ce6114a938c67313397508a491de05b03055457f4a2cc040e3417e549d25","last_reissued_at":"2026-05-18T02:00:03.897102Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:03.897102Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.5626","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":"2026-05-18T02:00:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qE14jNi+Bs15UzJwr2lnOj1s/xp4Cmr0dbWR+V0AFM2wch4iyNLracEC3lt2L1T+C9IkW5ezOxEp//cVKetSAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T03:55:52.512717Z"},"content_sha256":"2805aaf5f8a5322929b9ad1b270d0d7b63df84a1025cc409fe3e1c51895dfcbc","schema_version":"1.0","event_id":"sha256:2805aaf5f8a5322929b9ad1b270d0d7b63df84a1025cc409fe3e1c51895dfcbc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:IOB44YIUVE4MM4YTHF2QRJER3Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraints on dark energy from H II starburst galaxy apparent magnitude versus redshift data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Bharat Ratra, Data Mania","submitted_at":"2011-10-25T19:44:22Z","abstract_excerpt":"In this paper we use H II starburst galaxy apparent magnitude versus redshift data from Siegel et al. (2005) to constrain dark energy cosmological model parameters. These constraints are generally consistent with those derived using other data sets, but are not as restrictive as the tightest currently available constraints."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.5626","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":"2026-05-18T02:00:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IdHVgve86F/xrxqsnk9d3Aa8J/8Kb7KBQeFuYEplvAvsT2HWASU7NcicadDO1CuuaJ3ZzsX8wv1Biy8Je3fLCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T03:55:52.513063Z"},"content_sha256":"3be21abace7b549cb592ee84a763b569b98ef051ffe704b75149e63365bf7d75","schema_version":"1.0","event_id":"sha256:3be21abace7b549cb592ee84a763b569b98ef051ffe704b75149e63365bf7d75"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IOB44YIUVE4MM4YTHF2QRJER3Y/bundle.json","state_url":"https://pith.science/pith/IOB44YIUVE4MM4YTHF2QRJER3Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IOB44YIUVE4MM4YTHF2QRJER3Y/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":"2026-05-30T03:55:52Z","links":{"resolver":"https://pith.science/pith/IOB44YIUVE4MM4YTHF2QRJER3Y","bundle":"https://pith.science/pith/IOB44YIUVE4MM4YTHF2QRJER3Y/bundle.json","state":"https://pith.science/pith/IOB44YIUVE4MM4YTHF2QRJER3Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IOB44YIUVE4MM4YTHF2QRJER3Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:IOB44YIUVE4MM4YTHF2QRJER3Y","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":"3db4299cb8264cd917e66fb049a10c1e8cbdf9e33da4072ab67723bf681ef525","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-25T19:44:22Z","title_canon_sha256":"d9b3a04d233e646db02f2e866cd255d43b4713677d177ec507dc4ad2ff11a5ce"},"schema_version":"1.0","source":{"id":"1110.5626","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.5626","created_at":"2026-05-18T02:00:03Z"},{"alias_kind":"arxiv_version","alias_value":"1110.5626v1","created_at":"2026-05-18T02:00:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.5626","created_at":"2026-05-18T02:00:03Z"},{"alias_kind":"pith_short_12","alias_value":"IOB44YIUVE4M","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"IOB44YIUVE4MM4YT","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"IOB44YIU","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:3be21abace7b549cb592ee84a763b569b98ef051ffe704b75149e63365bf7d75","target":"graph","created_at":"2026-05-18T02:00:03Z","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":"In this paper we use H II starburst galaxy apparent magnitude versus redshift data from Siegel et al. (2005) to constrain dark energy cosmological model parameters. These constraints are generally consistent with those derived using other data sets, but are not as restrictive as the tightest currently available constraints.","authors_text":"Bharat Ratra, Data Mania","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-25T19:44:22Z","title":"Constraints on dark energy from H II starburst galaxy apparent magnitude versus redshift data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.5626","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":"sha256:2805aaf5f8a5322929b9ad1b270d0d7b63df84a1025cc409fe3e1c51895dfcbc","target":"record","created_at":"2026-05-18T02:00:03Z","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":"3db4299cb8264cd917e66fb049a10c1e8cbdf9e33da4072ab67723bf681ef525","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-25T19:44:22Z","title_canon_sha256":"d9b3a04d233e646db02f2e866cd255d43b4713677d177ec507dc4ad2ff11a5ce"},"schema_version":"1.0","source":{"id":"1110.5626","kind":"arxiv","version":1}},"canonical_sha256":"4383ce6114a938c67313397508a491de05b03055457f4a2cc040e3417e549d25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4383ce6114a938c67313397508a491de05b03055457f4a2cc040e3417e549d25","first_computed_at":"2026-05-18T02:00:03.897102Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:03.897102Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Tqig/8xxr+KJ6dZfbc0Ri8EmE8GgeBgGZJhQ+z27xgf6La+w1/vedd9Pszsverx/e9gXBa778pW/n629p2C5AA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:03.897699Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.5626","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2805aaf5f8a5322929b9ad1b270d0d7b63df84a1025cc409fe3e1c51895dfcbc","sha256:3be21abace7b549cb592ee84a763b569b98ef051ffe704b75149e63365bf7d75"],"state_sha256":"02af1ff9a75e4a6ad475b2524165e0a71ac7b3c33b3a55220f02d6142de3de79"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ARzZhCV54zOpfNW8HKByS267MiQSXvYpuB38uLtq7t3tTHVuszSbxfZpuqczOORbDozfRuZlb+SRrPavs2ssBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T03:55:52.515456Z","bundle_sha256":"255e476957b25092100a6abfdf52efef51625a46ff7381b245da4f32ee216422"}}