{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:HX5SUZ4BPAV6AAAVJBPCWN6C3C","short_pith_number":"pith:HX5SUZ4B","canonical_record":{"source":{"id":"1109.3172","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-09-14T19:26:13Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"7e720cc992f2afc804a92aad663e6e573ebaaa0a7682b371e69acfa19d432014","abstract_canon_sha256":"c65ff8ee9fb248997847e357e057f1f8491007ae313417e20fbdbc11a091e697"},"schema_version":"1.0"},"canonical_sha256":"3dfb2a6781782be00015485e2b37c2d89e28889325cb8ebf480e2dfabcf7f6fe","source":{"kind":"arxiv","id":"1109.3172","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.3172","created_at":"2026-05-18T03:23:13Z"},{"alias_kind":"arxiv_version","alias_value":"1109.3172v2","created_at":"2026-05-18T03:23:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.3172","created_at":"2026-05-18T03:23:13Z"},{"alias_kind":"pith_short_12","alias_value":"HX5SUZ4BPAV6","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"HX5SUZ4BPAV6AAAV","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"HX5SUZ4B","created_at":"2026-05-18T12:26:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:HX5SUZ4BPAV6AAAVJBPCWN6C3C","target":"record","payload":{"canonical_record":{"source":{"id":"1109.3172","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-09-14T19:26:13Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"7e720cc992f2afc804a92aad663e6e573ebaaa0a7682b371e69acfa19d432014","abstract_canon_sha256":"c65ff8ee9fb248997847e357e057f1f8491007ae313417e20fbdbc11a091e697"},"schema_version":"1.0"},"canonical_sha256":"3dfb2a6781782be00015485e2b37c2d89e28889325cb8ebf480e2dfabcf7f6fe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:23:13.679250Z","signature_b64":"7qJynbzq53fJwe6U0rRRT7xcXImPq+pEGTmQKWbwX7agUK4PIL2YQXs22b2rztlEbFrY0T6vsZqvIOm3iMuGCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3dfb2a6781782be00015485e2b37c2d89e28889325cb8ebf480e2dfabcf7f6fe","last_reissued_at":"2026-05-18T03:23:13.678240Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:23:13.678240Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.3172","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":"2026-05-18T03:23:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t3DLM8Zo1JQw+DhKbf4pmSbYAUtrvifYKLdnxoKRKoDa3yY1eyuelN2KIGhXG/7futWw170ye6pVmTMQ5wEyCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-11T06:42:17.619488Z"},"content_sha256":"42e4a1c7f0d0b83c0aaf3ce8e651c47e683c0af80e264af59582f3ffa8dae32e","schema_version":"1.0","event_id":"sha256:42e4a1c7f0d0b83c0aaf3ce8e651c47e683c0af80e264af59582f3ffa8dae32e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:HX5SUZ4BPAV6AAAVJBPCWN6C3C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Comparative Study of Dark Energy Constraints from Current Observational Data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Chia-Hsun Chuang, Pia Mukherjee, Yun Wang","submitted_at":"2011-09-14T19:26:13Z","abstract_excerpt":"We examine how dark energy constraints from current observational data depend on the analysis methods used: the analysis of Type Ia supernovae (SNe Ia), and that of galaxy clustering data. We generalize the flux-averaging analysis method of SNe Ia to allow correlated errors of SNe Ia, in order to reduce the systematic bias due to weak lensing of SNe Ia. We find that flux-averaging leads to larger errors on dark energy and cosmological parameters if only SN Ia data are used. When SN Ia data (the latest compilation by the SNLS team) are combined with WMAP 7 year results (in terms of our Gaussian"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.3172","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":"2026-05-18T03:23:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lnFFkMDJx6/6AJ+HNc5AjxZsqN4lvj1f+4loF5nDoTPcLlNj171iLvTBTyd/XKXlLAOuXWpa3V9W7pCyW8r3Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-11T06:42:17.620134Z"},"content_sha256":"678f562e2f52f342892120103f5f21f4c9c8d8cd458cac60dcacfc2bb4544c55","schema_version":"1.0","event_id":"sha256:678f562e2f52f342892120103f5f21f4c9c8d8cd458cac60dcacfc2bb4544c55"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HX5SUZ4BPAV6AAAVJBPCWN6C3C/bundle.json","state_url":"https://pith.science/pith/HX5SUZ4BPAV6AAAVJBPCWN6C3C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HX5SUZ4BPAV6AAAVJBPCWN6C3C/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":"2026-07-11T06:42:17Z","links":{"resolver":"https://pith.science/pith/HX5SUZ4BPAV6AAAVJBPCWN6C3C","bundle":"https://pith.science/pith/HX5SUZ4BPAV6AAAVJBPCWN6C3C/bundle.json","state":"https://pith.science/pith/HX5SUZ4BPAV6AAAVJBPCWN6C3C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HX5SUZ4BPAV6AAAVJBPCWN6C3C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:HX5SUZ4BPAV6AAAVJBPCWN6C3C","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":"c65ff8ee9fb248997847e357e057f1f8491007ae313417e20fbdbc11a091e697","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-09-14T19:26:13Z","title_canon_sha256":"7e720cc992f2afc804a92aad663e6e573ebaaa0a7682b371e69acfa19d432014"},"schema_version":"1.0","source":{"id":"1109.3172","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.3172","created_at":"2026-05-18T03:23:13Z"},{"alias_kind":"arxiv_version","alias_value":"1109.3172v2","created_at":"2026-05-18T03:23:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.3172","created_at":"2026-05-18T03:23:13Z"},{"alias_kind":"pith_short_12","alias_value":"HX5SUZ4BPAV6","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"HX5SUZ4BPAV6AAAV","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"HX5SUZ4B","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:678f562e2f52f342892120103f5f21f4c9c8d8cd458cac60dcacfc2bb4544c55","target":"graph","created_at":"2026-05-18T03:23:13Z","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 examine how dark energy constraints from current observational data depend on the analysis methods used: the analysis of Type Ia supernovae (SNe Ia), and that of galaxy clustering data. We generalize the flux-averaging analysis method of SNe Ia to allow correlated errors of SNe Ia, in order to reduce the systematic bias due to weak lensing of SNe Ia. We find that flux-averaging leads to larger errors on dark energy and cosmological parameters if only SN Ia data are used. When SN Ia data (the latest compilation by the SNLS team) are combined with WMAP 7 year results (in terms of our Gaussian","authors_text":"Chia-Hsun Chuang, Pia Mukherjee, Yun Wang","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-09-14T19:26:13Z","title":"A Comparative Study of Dark Energy Constraints from Current Observational Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.3172","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":"sha256:42e4a1c7f0d0b83c0aaf3ce8e651c47e683c0af80e264af59582f3ffa8dae32e","target":"record","created_at":"2026-05-18T03:23:13Z","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":"c65ff8ee9fb248997847e357e057f1f8491007ae313417e20fbdbc11a091e697","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-09-14T19:26:13Z","title_canon_sha256":"7e720cc992f2afc804a92aad663e6e573ebaaa0a7682b371e69acfa19d432014"},"schema_version":"1.0","source":{"id":"1109.3172","kind":"arxiv","version":2}},"canonical_sha256":"3dfb2a6781782be00015485e2b37c2d89e28889325cb8ebf480e2dfabcf7f6fe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3dfb2a6781782be00015485e2b37c2d89e28889325cb8ebf480e2dfabcf7f6fe","first_computed_at":"2026-05-18T03:23:13.678240Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:23:13.678240Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7qJynbzq53fJwe6U0rRRT7xcXImPq+pEGTmQKWbwX7agUK4PIL2YQXs22b2rztlEbFrY0T6vsZqvIOm3iMuGCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:23:13.679250Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.3172","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42e4a1c7f0d0b83c0aaf3ce8e651c47e683c0af80e264af59582f3ffa8dae32e","sha256:678f562e2f52f342892120103f5f21f4c9c8d8cd458cac60dcacfc2bb4544c55"],"state_sha256":"c5b0231c99ca2b13e669169803f9d5bb15288a06248de79b66762a3be3f7eaf1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fqspdo0f764ga+lOg3iiOe6/4vDOS3r6L9RnQhg3ETgjy5DUW2JzF+FWSroQF3KB9o6+hTG1osvJJwNWuE4yBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-11T06:42:17.624294Z","bundle_sha256":"d824e3e8e632b06746034aa3799f33ef87e4e17c5a90c7ce188b500d29661df5"}}