{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:QQEFVQXYWXHF6OOTPKT7X454LZ","short_pith_number":"pith:QQEFVQXY","canonical_record":{"source":{"id":"1210.0878","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-02T18:59:25Z","cross_cats_sorted":[],"title_canon_sha256":"f4e9f2a51c64d47367f28d644966be8eb4d829a8792c5949c4db4494901ba365","abstract_canon_sha256":"6e8615ccb80837877a0536c63550aeaf3752b2b121a964a5f5260df1d29c8b43"},"schema_version":"1.0"},"canonical_sha256":"84085ac2f8b5ce5f39d37aa7fbf3bc5e5b737ef43a987e2399cca41aba7beff7","source":{"kind":"arxiv","id":"1210.0878","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.0878","created_at":"2026-05-18T03:41:12Z"},{"alias_kind":"arxiv_version","alias_value":"1210.0878v2","created_at":"2026-05-18T03:41:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.0878","created_at":"2026-05-18T03:41:12Z"},{"alias_kind":"pith_short_12","alias_value":"QQEFVQXYWXHF","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"QQEFVQXYWXHF6OOT","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"QQEFVQXY","created_at":"2026-05-18T12:27:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:QQEFVQXYWXHF6OOTPKT7X454LZ","target":"record","payload":{"canonical_record":{"source":{"id":"1210.0878","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-02T18:59:25Z","cross_cats_sorted":[],"title_canon_sha256":"f4e9f2a51c64d47367f28d644966be8eb4d829a8792c5949c4db4494901ba365","abstract_canon_sha256":"6e8615ccb80837877a0536c63550aeaf3752b2b121a964a5f5260df1d29c8b43"},"schema_version":"1.0"},"canonical_sha256":"84085ac2f8b5ce5f39d37aa7fbf3bc5e5b737ef43a987e2399cca41aba7beff7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:41:12.170339Z","signature_b64":"YVXU8VUEj3bAVQSBf435XN68/C7KG38C5MF0qN3/0F0A41FZmq99atQb2lxmJpvXLYe7kYHobyBboVL56PoSCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"84085ac2f8b5ce5f39d37aa7fbf3bc5e5b737ef43a987e2399cca41aba7beff7","last_reissued_at":"2026-05-18T03:41:12.169511Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:41:12.169511Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.0878","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":"2026-05-18T03:41:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j0cgugBr9dt/IqwR66QlQEXmNhHTfKEoZIt2Xyq+F5TP/DYVnS7lY7gXuP0i5clZ9tvK5nuZAOjW0ciIEM39Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T10:17:00.622890Z"},"content_sha256":"477ccedb820c7b11cf196e875d4815a9b166f15176c49c3551da56f1da3947e9","schema_version":"1.0","event_id":"sha256:477ccedb820c7b11cf196e875d4815a9b166f15176c49c3551da56f1da3947e9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:QQEFVQXYWXHF6OOTPKT7X454LZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effect of model-dependent covariance matrix for studying Baryon Acoustic Oscillations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Labatie, J.-L. Starck, M. Lachi\\`eze-Rey","submitted_at":"2012-10-02T18:59:25Z","abstract_excerpt":"Large-scale structures in the Universe are a powerful tool to test cosmological models and constrain cosmological parameters. A particular feature of interest comes from Baryon Acoustic Oscillations (BAOs), which are sound waves traveling in the hot plasma of the early Universe that stopped at the recombination time. This feature can be observed as a localized bump in the correlation function at the scale of the sound horizon $r_s$. As such, it provides a standard ruler and a lot of constraining power in the correlation function analysis of galaxy surveys. Moreover the detection of BAOs at the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.0878","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":"2026-05-18T03:41:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U0YZ6DoTQ+02Enw4vGoudTNKdH7r672rfPEZb6uZ6hkSSIVX6iPrcVNRRk2sv4h8XuE3EKD99IlrqO9QnX4ADQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T10:17:00.623230Z"},"content_sha256":"f3587ad71d6704ccf6316e9c2c1e35f5996d9d2b81c0dc59c8b2ae46d17c116a","schema_version":"1.0","event_id":"sha256:f3587ad71d6704ccf6316e9c2c1e35f5996d9d2b81c0dc59c8b2ae46d17c116a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QQEFVQXYWXHF6OOTPKT7X454LZ/bundle.json","state_url":"https://pith.science/pith/QQEFVQXYWXHF6OOTPKT7X454LZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QQEFVQXYWXHF6OOTPKT7X454LZ/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":"2026-06-12T10:17:00Z","links":{"resolver":"https://pith.science/pith/QQEFVQXYWXHF6OOTPKT7X454LZ","bundle":"https://pith.science/pith/QQEFVQXYWXHF6OOTPKT7X454LZ/bundle.json","state":"https://pith.science/pith/QQEFVQXYWXHF6OOTPKT7X454LZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QQEFVQXYWXHF6OOTPKT7X454LZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:QQEFVQXYWXHF6OOTPKT7X454LZ","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":"6e8615ccb80837877a0536c63550aeaf3752b2b121a964a5f5260df1d29c8b43","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-02T18:59:25Z","title_canon_sha256":"f4e9f2a51c64d47367f28d644966be8eb4d829a8792c5949c4db4494901ba365"},"schema_version":"1.0","source":{"id":"1210.0878","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.0878","created_at":"2026-05-18T03:41:12Z"},{"alias_kind":"arxiv_version","alias_value":"1210.0878v2","created_at":"2026-05-18T03:41:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.0878","created_at":"2026-05-18T03:41:12Z"},{"alias_kind":"pith_short_12","alias_value":"QQEFVQXYWXHF","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"QQEFVQXYWXHF6OOT","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"QQEFVQXY","created_at":"2026-05-18T12:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:f3587ad71d6704ccf6316e9c2c1e35f5996d9d2b81c0dc59c8b2ae46d17c116a","target":"graph","created_at":"2026-05-18T03:41:12Z","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":"Large-scale structures in the Universe are a powerful tool to test cosmological models and constrain cosmological parameters. A particular feature of interest comes from Baryon Acoustic Oscillations (BAOs), which are sound waves traveling in the hot plasma of the early Universe that stopped at the recombination time. This feature can be observed as a localized bump in the correlation function at the scale of the sound horizon $r_s$. As such, it provides a standard ruler and a lot of constraining power in the correlation function analysis of galaxy surveys. Moreover the detection of BAOs at the","authors_text":"A. Labatie, J.-L. Starck, M. Lachi\\`eze-Rey","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-02T18:59:25Z","title":"Effect of model-dependent covariance matrix for studying Baryon Acoustic Oscillations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.0878","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":"sha256:477ccedb820c7b11cf196e875d4815a9b166f15176c49c3551da56f1da3947e9","target":"record","created_at":"2026-05-18T03:41:12Z","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":"6e8615ccb80837877a0536c63550aeaf3752b2b121a964a5f5260df1d29c8b43","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-02T18:59:25Z","title_canon_sha256":"f4e9f2a51c64d47367f28d644966be8eb4d829a8792c5949c4db4494901ba365"},"schema_version":"1.0","source":{"id":"1210.0878","kind":"arxiv","version":2}},"canonical_sha256":"84085ac2f8b5ce5f39d37aa7fbf3bc5e5b737ef43a987e2399cca41aba7beff7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"84085ac2f8b5ce5f39d37aa7fbf3bc5e5b737ef43a987e2399cca41aba7beff7","first_computed_at":"2026-05-18T03:41:12.169511Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:41:12.169511Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YVXU8VUEj3bAVQSBf435XN68/C7KG38C5MF0qN3/0F0A41FZmq99atQb2lxmJpvXLYe7kYHobyBboVL56PoSCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:41:12.170339Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.0878","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:477ccedb820c7b11cf196e875d4815a9b166f15176c49c3551da56f1da3947e9","sha256:f3587ad71d6704ccf6316e9c2c1e35f5996d9d2b81c0dc59c8b2ae46d17c116a"],"state_sha256":"15daf3ccfa35e067d2ad0800a544d56e9f873ce3be6abda11b2c2c73c67c8e4f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HTPlLFNvFUS3h8q4L7lLzis8mo2+REyd4jvR4lB+SrZnRZ5jw1UpKetfRzu/DCEunMmnNiDfjyi3uAUQPDGYDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T10:17:00.625147Z","bundle_sha256":"5dd1a0d570d3ca4beabccb1c70cced4d671b4f0f118966c9fcb88d8858dac14f"}}