{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:KGGDBGQM3MOCPL3YAZDAQJ4QXR","short_pith_number":"pith:KGGDBGQM","canonical_record":{"source":{"id":"1811.03627","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-11-08T19:00:01Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"f336e3e5570e614f4ae2ec4fc8ed3079e42675a2fbb9d395046ac8dc9131cd86","abstract_canon_sha256":"bbe19fe4f3a99f861accdb39f66b1d4919932e7ac596d7a712b5084143b964b8"},"schema_version":"1.0"},"canonical_sha256":"518c309a0cdb1c27af780646082790bc5f326bda48446f17844be69694311ee9","source":{"kind":"arxiv","id":"1811.03627","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.03627","created_at":"2026-05-17T23:53:24Z"},{"alias_kind":"arxiv_version","alias_value":"1811.03627v1","created_at":"2026-05-17T23:53:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.03627","created_at":"2026-05-17T23:53:24Z"},{"alias_kind":"pith_short_12","alias_value":"KGGDBGQM3MOC","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KGGDBGQM3MOCPL3Y","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KGGDBGQM","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:KGGDBGQM3MOCPL3YAZDAQJ4QXR","target":"record","payload":{"canonical_record":{"source":{"id":"1811.03627","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-11-08T19:00:01Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"f336e3e5570e614f4ae2ec4fc8ed3079e42675a2fbb9d395046ac8dc9131cd86","abstract_canon_sha256":"bbe19fe4f3a99f861accdb39f66b1d4919932e7ac596d7a712b5084143b964b8"},"schema_version":"1.0"},"canonical_sha256":"518c309a0cdb1c27af780646082790bc5f326bda48446f17844be69694311ee9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:24.580851Z","signature_b64":"8lgDC0WCMUHdOvFhBkwnUygE7YA/qEOP0FCFEH8D8GngqhkU8d9EAHwshNb12g0KQx+2inqtRVS8fjuBSfpIAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"518c309a0cdb1c27af780646082790bc5f326bda48446f17844be69694311ee9","last_reissued_at":"2026-05-17T23:53:24.580136Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:24.580136Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.03627","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":"2026-05-17T23:53:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qaLjikO/UWn/93uer7r55nxqbsBY3+qZ9/KR63vyplw3sHWeXdcbe9+DR5AMoNm5CMNGET/kykrukW8w0Q5XBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:57:32.894756Z"},"content_sha256":"f4cc81a54eb0abd8d0d4b69cb8db1731527a8b0a886170592d2408b96c9bb4a4","schema_version":"1.0","event_id":"sha256:f4cc81a54eb0abd8d0d4b69cb8db1731527a8b0a886170592d2408b96c9bb4a4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:KGGDBGQM3MOCPL3YAZDAQJ4QXR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low-mass halo perturbations in strong gravitational lenses at redshift z$\\sim$0.5 are consistent with CDM","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"E. Ritondale, G. Despali, J. P. McKean, L. V. E Koopmans, M. W. Auger, S. Vegetti","submitted_at":"2018-11-08T19:00:01Z","abstract_excerpt":"We use a sample of 17 strong gravitational lens systems from the BELLS GALLERY survey to quantify the amount of low-mass dark matter haloes within the lensing galaxies and along their lines of sight, and to constrain the properties of dark matter. Based on a detection criterion of 10$\\sigma$, we report no significant detection in any of the lenses. Using the sensitivity function at the 10-$\\sigma$ level, we have calculated the predicted number of detectable cold dark matter (CDM) line-of-sight haloes to be $\\mu_{l} = 1.17\\pm1.08$, in agreement with our null detection. Assuming a detection sens"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.03627","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":"2026-05-17T23:53:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GTvRTT5jfU1ipkR1/MZoBzJXA2tqS1zOEUuyXKCyqq3YJCt+iIqQi/0zF4o0866ybW3IBVv49RFFqEqreMdPBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:57:32.895503Z"},"content_sha256":"95c70f0c6df236a0b2584da7e2df5b985dee4af229c9994a2de19f440546f24d","schema_version":"1.0","event_id":"sha256:95c70f0c6df236a0b2584da7e2df5b985dee4af229c9994a2de19f440546f24d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KGGDBGQM3MOCPL3YAZDAQJ4QXR/bundle.json","state_url":"https://pith.science/pith/KGGDBGQM3MOCPL3YAZDAQJ4QXR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KGGDBGQM3MOCPL3YAZDAQJ4QXR/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":"2026-05-25T16:57:32Z","links":{"resolver":"https://pith.science/pith/KGGDBGQM3MOCPL3YAZDAQJ4QXR","bundle":"https://pith.science/pith/KGGDBGQM3MOCPL3YAZDAQJ4QXR/bundle.json","state":"https://pith.science/pith/KGGDBGQM3MOCPL3YAZDAQJ4QXR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KGGDBGQM3MOCPL3YAZDAQJ4QXR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:KGGDBGQM3MOCPL3YAZDAQJ4QXR","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":"bbe19fe4f3a99f861accdb39f66b1d4919932e7ac596d7a712b5084143b964b8","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-11-08T19:00:01Z","title_canon_sha256":"f336e3e5570e614f4ae2ec4fc8ed3079e42675a2fbb9d395046ac8dc9131cd86"},"schema_version":"1.0","source":{"id":"1811.03627","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.03627","created_at":"2026-05-17T23:53:24Z"},{"alias_kind":"arxiv_version","alias_value":"1811.03627v1","created_at":"2026-05-17T23:53:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.03627","created_at":"2026-05-17T23:53:24Z"},{"alias_kind":"pith_short_12","alias_value":"KGGDBGQM3MOC","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KGGDBGQM3MOCPL3Y","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KGGDBGQM","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:95c70f0c6df236a0b2584da7e2df5b985dee4af229c9994a2de19f440546f24d","target":"graph","created_at":"2026-05-17T23:53:24Z","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 use a sample of 17 strong gravitational lens systems from the BELLS GALLERY survey to quantify the amount of low-mass dark matter haloes within the lensing galaxies and along their lines of sight, and to constrain the properties of dark matter. Based on a detection criterion of 10$\\sigma$, we report no significant detection in any of the lenses. Using the sensitivity function at the 10-$\\sigma$ level, we have calculated the predicted number of detectable cold dark matter (CDM) line-of-sight haloes to be $\\mu_{l} = 1.17\\pm1.08$, in agreement with our null detection. Assuming a detection sens","authors_text":"E. Ritondale, G. Despali, J. P. McKean, L. V. E Koopmans, M. W. Auger, S. Vegetti","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-11-08T19:00:01Z","title":"Low-mass halo perturbations in strong gravitational lenses at redshift z$\\sim$0.5 are consistent with CDM"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.03627","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:f4cc81a54eb0abd8d0d4b69cb8db1731527a8b0a886170592d2408b96c9bb4a4","target":"record","created_at":"2026-05-17T23:53:24Z","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":"bbe19fe4f3a99f861accdb39f66b1d4919932e7ac596d7a712b5084143b964b8","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-11-08T19:00:01Z","title_canon_sha256":"f336e3e5570e614f4ae2ec4fc8ed3079e42675a2fbb9d395046ac8dc9131cd86"},"schema_version":"1.0","source":{"id":"1811.03627","kind":"arxiv","version":1}},"canonical_sha256":"518c309a0cdb1c27af780646082790bc5f326bda48446f17844be69694311ee9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"518c309a0cdb1c27af780646082790bc5f326bda48446f17844be69694311ee9","first_computed_at":"2026-05-17T23:53:24.580136Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:24.580136Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8lgDC0WCMUHdOvFhBkwnUygE7YA/qEOP0FCFEH8D8GngqhkU8d9EAHwshNb12g0KQx+2inqtRVS8fjuBSfpIAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:24.580851Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.03627","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f4cc81a54eb0abd8d0d4b69cb8db1731527a8b0a886170592d2408b96c9bb4a4","sha256:95c70f0c6df236a0b2584da7e2df5b985dee4af229c9994a2de19f440546f24d"],"state_sha256":"0db6af5ce3f36f43ece82130ab8a20fbf9dcc84e6200ea31692e5aa6678592a7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+MQLIZ3IfNoT9HNDrcfOdXNdI6HH8OOOByu+Al3OvA9nr6yq3lD4lk0VWqTG3VN4XvF6tCVrbqFB0Qcval4vCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:57:32.899337Z","bundle_sha256":"0685f9f0f17ea59a7c0ba7d89f7c379d1e47ee9bf36ba8eedcef0332a01a2bdd"}}