{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:AYZBFLDMMU4QWTPRENHOD5GQBV","short_pith_number":"pith:AYZBFLDM","canonical_record":{"source":{"id":"1805.00159","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-05-01T02:50:16Z","cross_cats_sorted":["stat.AP"],"title_canon_sha256":"12931ff081d6d2d1b7861fc3a23bb972ceba721f3c5f6be24821befbe70f225e","abstract_canon_sha256":"504baf1c3e9103aadca849d7844273124d7d14f696066bbe6a2fc541e3a7fe34"},"schema_version":"1.0"},"canonical_sha256":"063212ac6c65390b4df1234ee1f4d00d7549eb9f92ee77884fc7305b86996f52","source":{"kind":"arxiv","id":"1805.00159","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.00159","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"arxiv_version","alias_value":"1805.00159v2","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.00159","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"pith_short_12","alias_value":"AYZBFLDMMU4Q","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"AYZBFLDMMU4QWTPR","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"AYZBFLDM","created_at":"2026-05-18T12:32:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:AYZBFLDMMU4QWTPRENHOD5GQBV","target":"record","payload":{"canonical_record":{"source":{"id":"1805.00159","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-05-01T02:50:16Z","cross_cats_sorted":["stat.AP"],"title_canon_sha256":"12931ff081d6d2d1b7861fc3a23bb972ceba721f3c5f6be24821befbe70f225e","abstract_canon_sha256":"504baf1c3e9103aadca849d7844273124d7d14f696066bbe6a2fc541e3a7fe34"},"schema_version":"1.0"},"canonical_sha256":"063212ac6c65390b4df1234ee1f4d00d7549eb9f92ee77884fc7305b86996f52","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:07.731360Z","signature_b64":"Ed2WyIfyQ9nocqJsjHSw17QvGhthluOL97Imcj3+ERJLPzAavoSQ7ok9y+0ixt+c9BlfAWDgj3wuhMHHUZstAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"063212ac6c65390b4df1234ee1f4d00d7549eb9f92ee77884fc7305b86996f52","last_reissued_at":"2026-05-17T23:52:07.731004Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:07.731004Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.00159","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":"2026-05-17T23:52:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K3UMo5mSUQVwdNPTm5mITjXL31T+zajXdwa6MRTjVvPlfvq3YLHcmLVroNwvLoTDPWQXisa8yUo0TGaBzOdrBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T13:11:40.910027Z"},"content_sha256":"6be941a50499de8e23eae876ea7009f232697d992068e1d77dbb909490264eeb","schema_version":"1.0","event_id":"sha256:6be941a50499de8e23eae876ea7009f232697d992068e1d77dbb909490264eeb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:AYZBFLDMMU4QWTPRENHOD5GQBV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detecting Galaxy-Filament Alignments in the Sloan Digital Sky Survey III","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["stat.AP"],"primary_cat":"astro-ph.CO","authors_text":"Jonathan Blazek, Peter Melchior, Rachel Mandelbaum, Shirley Ho, Siyu He, Sukhdeep Singh, Yen-Chi Chen","submitted_at":"2018-05-01T02:50:16Z","abstract_excerpt":"Previous studies have shown the filamentary structures in the cosmic web influence the alignments of nearby galaxies. We study this effect in the LOWZ sample of the Sloan Digital Sky Survey using the \"Cosmic Web Reconstruction\" filament catalogue. We find that LOWZ galaxies exhibit a small but statistically significant alignment in the direction parallel to the orientation of nearby filaments. This effect is detectable even in the absence of nearby galaxy clusters, which suggests it is an effect from the matter distribution in the filament. A nonparametric regression model suggests that the al"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.00159","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":"2026-05-17T23:52:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hcN9ikRp1gcJMad5zt6l6W8vE+CIFwv4pQc5igCtnUiENFj3oF37CaAqKxkXniMBllVHDiDAXBjILVUMvIOnBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T13:11:40.910389Z"},"content_sha256":"577382985a72824b2022541be3bcb7893a4022d4d2326a7d21ed545c782dc293","schema_version":"1.0","event_id":"sha256:577382985a72824b2022541be3bcb7893a4022d4d2326a7d21ed545c782dc293"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AYZBFLDMMU4QWTPRENHOD5GQBV/bundle.json","state_url":"https://pith.science/pith/AYZBFLDMMU4QWTPRENHOD5GQBV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AYZBFLDMMU4QWTPRENHOD5GQBV/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":"2026-05-28T13:11:40Z","links":{"resolver":"https://pith.science/pith/AYZBFLDMMU4QWTPRENHOD5GQBV","bundle":"https://pith.science/pith/AYZBFLDMMU4QWTPRENHOD5GQBV/bundle.json","state":"https://pith.science/pith/AYZBFLDMMU4QWTPRENHOD5GQBV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AYZBFLDMMU4QWTPRENHOD5GQBV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:AYZBFLDMMU4QWTPRENHOD5GQBV","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":"504baf1c3e9103aadca849d7844273124d7d14f696066bbe6a2fc541e3a7fe34","cross_cats_sorted":["stat.AP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-05-01T02:50:16Z","title_canon_sha256":"12931ff081d6d2d1b7861fc3a23bb972ceba721f3c5f6be24821befbe70f225e"},"schema_version":"1.0","source":{"id":"1805.00159","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.00159","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"arxiv_version","alias_value":"1805.00159v2","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.00159","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"pith_short_12","alias_value":"AYZBFLDMMU4Q","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"AYZBFLDMMU4QWTPR","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"AYZBFLDM","created_at":"2026-05-18T12:32:13Z"}],"graph_snapshots":[{"event_id":"sha256:577382985a72824b2022541be3bcb7893a4022d4d2326a7d21ed545c782dc293","target":"graph","created_at":"2026-05-17T23:52:07Z","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":"Previous studies have shown the filamentary structures in the cosmic web influence the alignments of nearby galaxies. We study this effect in the LOWZ sample of the Sloan Digital Sky Survey using the \"Cosmic Web Reconstruction\" filament catalogue. We find that LOWZ galaxies exhibit a small but statistically significant alignment in the direction parallel to the orientation of nearby filaments. This effect is detectable even in the absence of nearby galaxy clusters, which suggests it is an effect from the matter distribution in the filament. A nonparametric regression model suggests that the al","authors_text":"Jonathan Blazek, Peter Melchior, Rachel Mandelbaum, Shirley Ho, Siyu He, Sukhdeep Singh, Yen-Chi Chen","cross_cats":["stat.AP"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-05-01T02:50:16Z","title":"Detecting Galaxy-Filament Alignments in the Sloan Digital Sky Survey III"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.00159","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":"sha256:6be941a50499de8e23eae876ea7009f232697d992068e1d77dbb909490264eeb","target":"record","created_at":"2026-05-17T23:52:07Z","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":"504baf1c3e9103aadca849d7844273124d7d14f696066bbe6a2fc541e3a7fe34","cross_cats_sorted":["stat.AP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-05-01T02:50:16Z","title_canon_sha256":"12931ff081d6d2d1b7861fc3a23bb972ceba721f3c5f6be24821befbe70f225e"},"schema_version":"1.0","source":{"id":"1805.00159","kind":"arxiv","version":2}},"canonical_sha256":"063212ac6c65390b4df1234ee1f4d00d7549eb9f92ee77884fc7305b86996f52","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"063212ac6c65390b4df1234ee1f4d00d7549eb9f92ee77884fc7305b86996f52","first_computed_at":"2026-05-17T23:52:07.731004Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:07.731004Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ed2WyIfyQ9nocqJsjHSw17QvGhthluOL97Imcj3+ERJLPzAavoSQ7ok9y+0ixt+c9BlfAWDgj3wuhMHHUZstAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:07.731360Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.00159","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6be941a50499de8e23eae876ea7009f232697d992068e1d77dbb909490264eeb","sha256:577382985a72824b2022541be3bcb7893a4022d4d2326a7d21ed545c782dc293"],"state_sha256":"d4d7a1251033397b360e473991a228254922d8c31ed610315e3f4a379397a20e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PhPpGbB3V58FnWPkQaP0p2LAQwEcuaYy8mFEjG00WkQLdNYJVYn9L6QjBeQOcmMSiAkBiMXLClgRN4Sl+hZsAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T13:11:40.912388Z","bundle_sha256":"aad26f4de09ea3905b4653c3208d31ed34067c071527ada8dbcb9daa5a5a67a9"}}