{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:A2GHRBHQUML2GPZAUO3WHM5ZRR","short_pith_number":"pith:A2GHRBHQ","canonical_record":{"source":{"id":"1404.5618","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-04-22T20:00:10Z","cross_cats_sorted":[],"title_canon_sha256":"4e9b3289ea3f8aab542b7aa0697f9d44c84e464067d9b25816295f7d463a6cc1","abstract_canon_sha256":"9e2919cb5cac02ea1bffd45da058c2376103cacb5f336f5f1f26f01c62afe6e7"},"schema_version":"1.0"},"canonical_sha256":"068c7884f0a317a33f20a3b763b3b98c77b8b36a157923bfd4078598fec938c3","source":{"kind":"arxiv","id":"1404.5618","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.5618","created_at":"2026-05-18T01:43:26Z"},{"alias_kind":"arxiv_version","alias_value":"1404.5618v2","created_at":"2026-05-18T01:43:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.5618","created_at":"2026-05-18T01:43:26Z"},{"alias_kind":"pith_short_12","alias_value":"A2GHRBHQUML2","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"A2GHRBHQUML2GPZA","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"A2GHRBHQ","created_at":"2026-05-18T12:28:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:A2GHRBHQUML2GPZAUO3WHM5ZRR","target":"record","payload":{"canonical_record":{"source":{"id":"1404.5618","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-04-22T20:00:10Z","cross_cats_sorted":[],"title_canon_sha256":"4e9b3289ea3f8aab542b7aa0697f9d44c84e464067d9b25816295f7d463a6cc1","abstract_canon_sha256":"9e2919cb5cac02ea1bffd45da058c2376103cacb5f336f5f1f26f01c62afe6e7"},"schema_version":"1.0"},"canonical_sha256":"068c7884f0a317a33f20a3b763b3b98c77b8b36a157923bfd4078598fec938c3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:26.276795Z","signature_b64":"CbAaQALi7nsmWITlLytaO9akNpRTlFyYzP0MLZWGPw4HVbzBM3NduBZfcGRD0o0Mg90x8xiWz8ztCxQytqr+BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"068c7884f0a317a33f20a3b763b3b98c77b8b36a157923bfd4078598fec938c3","last_reissued_at":"2026-05-18T01:43:26.276166Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:26.276166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.5618","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":"2026-05-18T01:43:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hibUTmK9b2p3kcGFX+Srlmfk6kcJhA6UefcyLGqSE+hmVch8rufZfBf1IXFeJt4Ku2oGMAz/Xt1kdKxEan/XDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:33:26.636889Z"},"content_sha256":"da49ad2026cee2d048536d3e6f43fa88d7ec6ce2856889aa106ce02fa7b441b4","schema_version":"1.0","event_id":"sha256:da49ad2026cee2d048536d3e6f43fa88d7ec6ce2856889aa106ce02fa7b441b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:A2GHRBHQUML2GPZAUO3WHM5ZRR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A measurement of the Alcock-Paczynski effect using cosmic voids in the SDSS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Alice Pisani, Benjamin D. Wandelt, David H. Weinberg, P. M. Sutter","submitted_at":"2014-04-22T20:00:10Z","abstract_excerpt":"We perform an Alcock-Paczynski test using stacked cosmic voids identified in the SDSS Data Release 7 main sample and Data Release 10 LOWZ and CMASS samples. We find ~1,500 voids out to redshift $0.6$ using a heavily modified and extended version of the watershed algorithm ZOBOV, which we call VIDE (Void IDentification and Examination). To assess the impact of peculiar velocities we use the mock void catalogs presented in Sutter et al. (2013). We find a constant uniform flattening of 14% along the line of sight when peculiar velocities are included. This flattening appears universal for all voi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.5618","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":"2026-05-18T01:43:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BmSwBDaZJ0wWTRu42KBWitbHg0s4EPieRkwff5m8F5vQLOgraczPY9mFhZ+rYvFN4W03f4sZtiQoeZZsqpshCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:33:26.637739Z"},"content_sha256":"c3627206d15864207eb8b741f8dae8e2a228d39fba02cbf7fa757b76e4b1771a","schema_version":"1.0","event_id":"sha256:c3627206d15864207eb8b741f8dae8e2a228d39fba02cbf7fa757b76e4b1771a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A2GHRBHQUML2GPZAUO3WHM5ZRR/bundle.json","state_url":"https://pith.science/pith/A2GHRBHQUML2GPZAUO3WHM5ZRR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A2GHRBHQUML2GPZAUO3WHM5ZRR/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":"2026-08-03T16:33:26Z","links":{"resolver":"https://pith.science/pith/A2GHRBHQUML2GPZAUO3WHM5ZRR","bundle":"https://pith.science/pith/A2GHRBHQUML2GPZAUO3WHM5ZRR/bundle.json","state":"https://pith.science/pith/A2GHRBHQUML2GPZAUO3WHM5ZRR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A2GHRBHQUML2GPZAUO3WHM5ZRR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:A2GHRBHQUML2GPZAUO3WHM5ZRR","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":"9e2919cb5cac02ea1bffd45da058c2376103cacb5f336f5f1f26f01c62afe6e7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-04-22T20:00:10Z","title_canon_sha256":"4e9b3289ea3f8aab542b7aa0697f9d44c84e464067d9b25816295f7d463a6cc1"},"schema_version":"1.0","source":{"id":"1404.5618","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.5618","created_at":"2026-05-18T01:43:26Z"},{"alias_kind":"arxiv_version","alias_value":"1404.5618v2","created_at":"2026-05-18T01:43:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.5618","created_at":"2026-05-18T01:43:26Z"},{"alias_kind":"pith_short_12","alias_value":"A2GHRBHQUML2","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"A2GHRBHQUML2GPZA","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"A2GHRBHQ","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:c3627206d15864207eb8b741f8dae8e2a228d39fba02cbf7fa757b76e4b1771a","target":"graph","created_at":"2026-05-18T01:43:26Z","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 perform an Alcock-Paczynski test using stacked cosmic voids identified in the SDSS Data Release 7 main sample and Data Release 10 LOWZ and CMASS samples. We find ~1,500 voids out to redshift $0.6$ using a heavily modified and extended version of the watershed algorithm ZOBOV, which we call VIDE (Void IDentification and Examination). To assess the impact of peculiar velocities we use the mock void catalogs presented in Sutter et al. (2013). We find a constant uniform flattening of 14% along the line of sight when peculiar velocities are included. This flattening appears universal for all voi","authors_text":"Alice Pisani, Benjamin D. Wandelt, David H. Weinberg, P. M. Sutter","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-04-22T20:00:10Z","title":"A measurement of the Alcock-Paczynski effect using cosmic voids in the SDSS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.5618","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:da49ad2026cee2d048536d3e6f43fa88d7ec6ce2856889aa106ce02fa7b441b4","target":"record","created_at":"2026-05-18T01:43:26Z","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":"9e2919cb5cac02ea1bffd45da058c2376103cacb5f336f5f1f26f01c62afe6e7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-04-22T20:00:10Z","title_canon_sha256":"4e9b3289ea3f8aab542b7aa0697f9d44c84e464067d9b25816295f7d463a6cc1"},"schema_version":"1.0","source":{"id":"1404.5618","kind":"arxiv","version":2}},"canonical_sha256":"068c7884f0a317a33f20a3b763b3b98c77b8b36a157923bfd4078598fec938c3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"068c7884f0a317a33f20a3b763b3b98c77b8b36a157923bfd4078598fec938c3","first_computed_at":"2026-05-18T01:43:26.276166Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:26.276166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CbAaQALi7nsmWITlLytaO9akNpRTlFyYzP0MLZWGPw4HVbzBM3NduBZfcGRD0o0Mg90x8xiWz8ztCxQytqr+BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:26.276795Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.5618","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da49ad2026cee2d048536d3e6f43fa88d7ec6ce2856889aa106ce02fa7b441b4","sha256:c3627206d15864207eb8b741f8dae8e2a228d39fba02cbf7fa757b76e4b1771a"],"state_sha256":"ea6db7b7992ffa445fcdf02db7847cc0eeed63e8913bccbeb432b0f86dc1f0f0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qv5soipx0EpM7J9xN5a45fNUEw46Gv5DsL62ltqQVCPtQusN63pNwNE24WfpI2gbAkHziIRg3BwEhNHNxZtrCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T16:33:26.644101Z","bundle_sha256":"34ea08c7a74513c068c5d5cc3a146375030e7b4c2d684cdc9df70084c1081370"}}