{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:PJQ7WURWSAY6I3FFRWN67FLLIM","short_pith_number":"pith:PJQ7WURW","canonical_record":{"source":{"id":"1901.03530","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-01-11T09:52:30Z","cross_cats_sorted":[],"title_canon_sha256":"0965c87a359e6ea842468f1e9e11dc1f0a14ba835d831bbb7ca60d250a71d102","abstract_canon_sha256":"15ae6482638fff09f8c9a1ed834f660a62083189ed07770fc123e20a4251da7a"},"schema_version":"1.0"},"canonical_sha256":"7a61fb52369031e46ca58d9bef956b431a61c89eec2d4539268c41d26453d1f6","source":{"kind":"arxiv","id":"1901.03530","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.03530","created_at":"2026-05-17T23:49:02Z"},{"alias_kind":"arxiv_version","alias_value":"1901.03530v2","created_at":"2026-05-17T23:49:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.03530","created_at":"2026-05-17T23:49:02Z"},{"alias_kind":"pith_short_12","alias_value":"PJQ7WURWSAY6","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"PJQ7WURWSAY6I3FF","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"PJQ7WURW","created_at":"2026-05-18T12:33:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:PJQ7WURWSAY6I3FFRWN67FLLIM","target":"record","payload":{"canonical_record":{"source":{"id":"1901.03530","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-01-11T09:52:30Z","cross_cats_sorted":[],"title_canon_sha256":"0965c87a359e6ea842468f1e9e11dc1f0a14ba835d831bbb7ca60d250a71d102","abstract_canon_sha256":"15ae6482638fff09f8c9a1ed834f660a62083189ed07770fc123e20a4251da7a"},"schema_version":"1.0"},"canonical_sha256":"7a61fb52369031e46ca58d9bef956b431a61c89eec2d4539268c41d26453d1f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:02.291014Z","signature_b64":"WWGYngkCXEIytHSwq8Tqg8nmFEs4pXNSoX6H1M5sz89eitqioTzXxk3Dkq1uQO1DrkW7W8mk6mTZN39OB5qyCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7a61fb52369031e46ca58d9bef956b431a61c89eec2d4539268c41d26453d1f6","last_reissued_at":"2026-05-17T23:49:02.290635Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:02.290635Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.03530","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":"2026-05-17T23:49:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pU44p7Id/Cq+cux1xhUAR7YpprJYPwl7ossvnkJGSZzRXFOgJgV67c7yytE1BdqhR4PDuULcdfqMmipn0VwTBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T07:02:57.100691Z"},"content_sha256":"2ffd6ffa20349dc7a0cd459dd20083b08930f2b5ee662294d23c6379ab1f0c76","schema_version":"1.0","event_id":"sha256:2ffd6ffa20349dc7a0cd459dd20083b08930f2b5ee662294d23c6379ab1f0c76"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:PJQ7WURWSAY6I3FFRWN67FLLIM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An estimation of the Local growth rate from Cosmicflows-3 peculiar velocities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Dupuy, B. Kubik, H. M. Courtois","submitted_at":"2019-01-11T09:52:30Z","abstract_excerpt":"This article explores three usual estimators, noted as $v_{12}$ of the pairwise velocity, $\\psi_1$ and $\\psi_2$ of the observed two-point galaxy peculiar velocity correlation functions. These estimators are tested on mock samples of {\\it Cosmicflows-3} dataset \\citep{Tully:2016aa} , derived from a numerical cosmological simulation, and also on a number of constrained realizations of this dataset. Observational measurements errors and cosmic variance are taken into consideration in the study. The result is a local measurement of $f \\sigma_8 = 0.43 \\left( \\pm 0.03 \\right)_\\mathrm{obs} \\left( \\pm"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.03530","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":"2026-05-17T23:49:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/P+z9akFwEWP/eg8tRN0ouLCqBenQFUFNZQCUCG83vLAiHdj+8TENjXDZa6Ia3QpNeK/xTxZ+wChhV9036CTCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T07:02:57.101039Z"},"content_sha256":"a4125165083d3946b76972f0d80d5342aa036a434f8b5471ae4c49acc2ccbfb0","schema_version":"1.0","event_id":"sha256:a4125165083d3946b76972f0d80d5342aa036a434f8b5471ae4c49acc2ccbfb0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PJQ7WURWSAY6I3FFRWN67FLLIM/bundle.json","state_url":"https://pith.science/pith/PJQ7WURWSAY6I3FFRWN67FLLIM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PJQ7WURWSAY6I3FFRWN67FLLIM/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":"2026-05-19T07:02:57Z","links":{"resolver":"https://pith.science/pith/PJQ7WURWSAY6I3FFRWN67FLLIM","bundle":"https://pith.science/pith/PJQ7WURWSAY6I3FFRWN67FLLIM/bundle.json","state":"https://pith.science/pith/PJQ7WURWSAY6I3FFRWN67FLLIM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PJQ7WURWSAY6I3FFRWN67FLLIM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:PJQ7WURWSAY6I3FFRWN67FLLIM","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":"15ae6482638fff09f8c9a1ed834f660a62083189ed07770fc123e20a4251da7a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-01-11T09:52:30Z","title_canon_sha256":"0965c87a359e6ea842468f1e9e11dc1f0a14ba835d831bbb7ca60d250a71d102"},"schema_version":"1.0","source":{"id":"1901.03530","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.03530","created_at":"2026-05-17T23:49:02Z"},{"alias_kind":"arxiv_version","alias_value":"1901.03530v2","created_at":"2026-05-17T23:49:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.03530","created_at":"2026-05-17T23:49:02Z"},{"alias_kind":"pith_short_12","alias_value":"PJQ7WURWSAY6","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"PJQ7WURWSAY6I3FF","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"PJQ7WURW","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:a4125165083d3946b76972f0d80d5342aa036a434f8b5471ae4c49acc2ccbfb0","target":"graph","created_at":"2026-05-17T23:49:02Z","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":"This article explores three usual estimators, noted as $v_{12}$ of the pairwise velocity, $\\psi_1$ and $\\psi_2$ of the observed two-point galaxy peculiar velocity correlation functions. These estimators are tested on mock samples of {\\it Cosmicflows-3} dataset \\citep{Tully:2016aa} , derived from a numerical cosmological simulation, and also on a number of constrained realizations of this dataset. Observational measurements errors and cosmic variance are taken into consideration in the study. The result is a local measurement of $f \\sigma_8 = 0.43 \\left( \\pm 0.03 \\right)_\\mathrm{obs} \\left( \\pm","authors_text":"A. Dupuy, B. Kubik, H. M. Courtois","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-01-11T09:52:30Z","title":"An estimation of the Local growth rate from Cosmicflows-3 peculiar velocities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.03530","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":"sha256:2ffd6ffa20349dc7a0cd459dd20083b08930f2b5ee662294d23c6379ab1f0c76","target":"record","created_at":"2026-05-17T23:49:02Z","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":"15ae6482638fff09f8c9a1ed834f660a62083189ed07770fc123e20a4251da7a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-01-11T09:52:30Z","title_canon_sha256":"0965c87a359e6ea842468f1e9e11dc1f0a14ba835d831bbb7ca60d250a71d102"},"schema_version":"1.0","source":{"id":"1901.03530","kind":"arxiv","version":2}},"canonical_sha256":"7a61fb52369031e46ca58d9bef956b431a61c89eec2d4539268c41d26453d1f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7a61fb52369031e46ca58d9bef956b431a61c89eec2d4539268c41d26453d1f6","first_computed_at":"2026-05-17T23:49:02.290635Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:02.290635Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WWGYngkCXEIytHSwq8Tqg8nmFEs4pXNSoX6H1M5sz89eitqioTzXxk3Dkq1uQO1DrkW7W8mk6mTZN39OB5qyCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:02.291014Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.03530","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2ffd6ffa20349dc7a0cd459dd20083b08930f2b5ee662294d23c6379ab1f0c76","sha256:a4125165083d3946b76972f0d80d5342aa036a434f8b5471ae4c49acc2ccbfb0"],"state_sha256":"ab7f57751a9a57ab337ce3fe7d98c1941b2a64b74542c772b52294faf5103c23"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I2EPuOKsLK14zZp1MXKXX0HGv4A05tZdGNKX7M6AeXXnUmT0BrvdbpDHZyQXZNb1pQzSZL+XAyKwwRuvhQbYDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T07:02:57.102742Z","bundle_sha256":"5f623e836b5f9e10448ddf26a70df8a11897adbea944e316fe60eeb51436fb34"}}