{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:MAVO6PXNSWWSP6YU52Q3NP4XS4","short_pith_number":"pith:MAVO6PXN","canonical_record":{"source":{"id":"1711.09290","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-25T21:06:20Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"4af6275a3c9dccfaab2fd1fa903f7d4a0083fb2c6f4e35fd1d968ebe5369969d","abstract_canon_sha256":"f4558afb8baa36f890281cac2baec2b7ac18237686c7292094f5a4ce59dc6dd3"},"schema_version":"1.0"},"canonical_sha256":"602aef3eed95ad27fb14eea1b6bf979706767be6386c0db709514033b5e2403f","source":{"kind":"arxiv","id":"1711.09290","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.09290","created_at":"2026-05-18T00:27:17Z"},{"alias_kind":"arxiv_version","alias_value":"1711.09290v1","created_at":"2026-05-18T00:27:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.09290","created_at":"2026-05-18T00:27:17Z"},{"alias_kind":"pith_short_12","alias_value":"MAVO6PXNSWWS","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MAVO6PXNSWWSP6YU","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MAVO6PXN","created_at":"2026-05-18T12:31:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:MAVO6PXNSWWSP6YU52Q3NP4XS4","target":"record","payload":{"canonical_record":{"source":{"id":"1711.09290","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-25T21:06:20Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"4af6275a3c9dccfaab2fd1fa903f7d4a0083fb2c6f4e35fd1d968ebe5369969d","abstract_canon_sha256":"f4558afb8baa36f890281cac2baec2b7ac18237686c7292094f5a4ce59dc6dd3"},"schema_version":"1.0"},"canonical_sha256":"602aef3eed95ad27fb14eea1b6bf979706767be6386c0db709514033b5e2403f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:17.626511Z","signature_b64":"bIVbjm6bH6LsMuZgRZQEAuWbSSlmUo7UzkWks9zLze2JHC437kNvDyM986RBaeGhuRnRz6/2vJasWyK0sKkLDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"602aef3eed95ad27fb14eea1b6bf979706767be6386c0db709514033b5e2403f","last_reissued_at":"2026-05-18T00:27:17.625916Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:17.625916Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.09290","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:27:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qsstca4IGeMJDim3lFWsF6s1tFk5S88bgugwdBOiLyLggTbowSJxqw5U/ReORde6uxI+e16py/i5yVNMCpYyAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T00:32:21.099814Z"},"content_sha256":"2a4199d7d6298928644fa73b3ed9f5f1ca411ae76eb8ed7294c8cfa73c14d428","schema_version":"1.0","event_id":"sha256:2a4199d7d6298928644fa73b3ed9f5f1ca411ae76eb8ed7294c8cfa73c14d428"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:MAVO6PXNSWWSP6YU52Q3NP4XS4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Increased Prevalence of Bent Lobes for Double-Lobed Radio Galaxies in Dense Environments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"Ezekiel M. Silverstein, Joel N. Bregman, Michael E. Anderson","submitted_at":"2017-11-25T21:06:20Z","abstract_excerpt":"Double-lobed radio galaxies (DLRGs) often have radio lobes which subtend an angle of less than 180 degrees, and these bent DLRGs have been shown to associate preferentially with galaxy clusters and groups. In this study, we utilize a catalog of DLRGs in SDSS quasars with radio lobes visible in VLA FIRST 20 cm radio data. We cross-match this catalog against three catalogs of galaxies over the redshift range $0 < z < 0.70$, obtaining 81 tentative matches. We visually examine each match and apply a number of selection criteria, eventually obtaining a sample of 44 securely detected DLRGs which are"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.09290","kind":"arxiv","version":1},"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":"2026-05-18T00:27:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"idFQqUMLflzaPoH+W0phZh5fNnZhgZbabGeODJuB2EOA/GjhNjEPYUj3GCZWOJYXZsvaCmnR7h/er7nXqZojDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T00:32:21.100155Z"},"content_sha256":"4f345a3ad9ed9c21e19a1947d82e279ceca9f6b363526a2afa38710b841ffe76","schema_version":"1.0","event_id":"sha256:4f345a3ad9ed9c21e19a1947d82e279ceca9f6b363526a2afa38710b841ffe76"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MAVO6PXNSWWSP6YU52Q3NP4XS4/bundle.json","state_url":"https://pith.science/pith/MAVO6PXNSWWSP6YU52Q3NP4XS4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MAVO6PXNSWWSP6YU52Q3NP4XS4/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":"2026-06-02T00:32:21Z","links":{"resolver":"https://pith.science/pith/MAVO6PXNSWWSP6YU52Q3NP4XS4","bundle":"https://pith.science/pith/MAVO6PXNSWWSP6YU52Q3NP4XS4/bundle.json","state":"https://pith.science/pith/MAVO6PXNSWWSP6YU52Q3NP4XS4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MAVO6PXNSWWSP6YU52Q3NP4XS4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:MAVO6PXNSWWSP6YU52Q3NP4XS4","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":"f4558afb8baa36f890281cac2baec2b7ac18237686c7292094f5a4ce59dc6dd3","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-25T21:06:20Z","title_canon_sha256":"4af6275a3c9dccfaab2fd1fa903f7d4a0083fb2c6f4e35fd1d968ebe5369969d"},"schema_version":"1.0","source":{"id":"1711.09290","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.09290","created_at":"2026-05-18T00:27:17Z"},{"alias_kind":"arxiv_version","alias_value":"1711.09290v1","created_at":"2026-05-18T00:27:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.09290","created_at":"2026-05-18T00:27:17Z"},{"alias_kind":"pith_short_12","alias_value":"MAVO6PXNSWWS","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MAVO6PXNSWWSP6YU","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MAVO6PXN","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:4f345a3ad9ed9c21e19a1947d82e279ceca9f6b363526a2afa38710b841ffe76","target":"graph","created_at":"2026-05-18T00:27:17Z","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":"Double-lobed radio galaxies (DLRGs) often have radio lobes which subtend an angle of less than 180 degrees, and these bent DLRGs have been shown to associate preferentially with galaxy clusters and groups. In this study, we utilize a catalog of DLRGs in SDSS quasars with radio lobes visible in VLA FIRST 20 cm radio data. We cross-match this catalog against three catalogs of galaxies over the redshift range $0 < z < 0.70$, obtaining 81 tentative matches. We visually examine each match and apply a number of selection criteria, eventually obtaining a sample of 44 securely detected DLRGs which are","authors_text":"Ezekiel M. Silverstein, Joel N. Bregman, Michael E. Anderson","cross_cats":["astro-ph.CO","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-25T21:06:20Z","title":"Increased Prevalence of Bent Lobes for Double-Lobed Radio Galaxies in Dense Environments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.09290","kind":"arxiv","version":1},"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":"sha256:2a4199d7d6298928644fa73b3ed9f5f1ca411ae76eb8ed7294c8cfa73c14d428","target":"record","created_at":"2026-05-18T00:27:17Z","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":"f4558afb8baa36f890281cac2baec2b7ac18237686c7292094f5a4ce59dc6dd3","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-25T21:06:20Z","title_canon_sha256":"4af6275a3c9dccfaab2fd1fa903f7d4a0083fb2c6f4e35fd1d968ebe5369969d"},"schema_version":"1.0","source":{"id":"1711.09290","kind":"arxiv","version":1}},"canonical_sha256":"602aef3eed95ad27fb14eea1b6bf979706767be6386c0db709514033b5e2403f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"602aef3eed95ad27fb14eea1b6bf979706767be6386c0db709514033b5e2403f","first_computed_at":"2026-05-18T00:27:17.625916Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:17.625916Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bIVbjm6bH6LsMuZgRZQEAuWbSSlmUo7UzkWks9zLze2JHC437kNvDyM986RBaeGhuRnRz6/2vJasWyK0sKkLDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:17.626511Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.09290","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2a4199d7d6298928644fa73b3ed9f5f1ca411ae76eb8ed7294c8cfa73c14d428","sha256:4f345a3ad9ed9c21e19a1947d82e279ceca9f6b363526a2afa38710b841ffe76"],"state_sha256":"563e017587bc531aeff781e90f8485c12b72b7d06dcc84c4a25db88ea556ac9c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KCUr1/Gx0QkHm3tpe+ZsY7E+RL9sxT1scJRs7YYj8YwYn4sw0GPeztFH9nfKRGLXSW/pZ+vZLYX34HOWsZExAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T00:32:21.102025Z","bundle_sha256":"5a0e564a8d78a590d60cc0360c86b04c4aacfbc744c02b82c2725e60ed7e5189"}}