{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:5GRTI6VJK47T4OE5HXDBY2DQN2","short_pith_number":"pith:5GRTI6VJ","canonical_record":{"source":{"id":"1701.05188","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-01-18T19:00:00Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"3c87754ae72d9e6e6c43850ef5433e728049b527efb7c3323e4176756a21066d","abstract_canon_sha256":"bcbb2e3b96913f6166f2a52116cd6c2287b4da6962fed318b72e59bd0e7cc47e"},"schema_version":"1.0"},"canonical_sha256":"e9a3347aa9573f3e389d3dc61c68706ebce051a9c06653f1420b80ee85325cd7","source":{"kind":"arxiv","id":"1701.05188","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.05188","created_at":"2026-05-18T00:37:01Z"},{"alias_kind":"arxiv_version","alias_value":"1701.05188v2","created_at":"2026-05-18T00:37:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.05188","created_at":"2026-05-18T00:37:01Z"},{"alias_kind":"pith_short_12","alias_value":"5GRTI6VJK47T","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"5GRTI6VJK47T4OE5","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"5GRTI6VJ","created_at":"2026-05-18T12:31:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:5GRTI6VJK47T4OE5HXDBY2DQN2","target":"record","payload":{"canonical_record":{"source":{"id":"1701.05188","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-01-18T19:00:00Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"3c87754ae72d9e6e6c43850ef5433e728049b527efb7c3323e4176756a21066d","abstract_canon_sha256":"bcbb2e3b96913f6166f2a52116cd6c2287b4da6962fed318b72e59bd0e7cc47e"},"schema_version":"1.0"},"canonical_sha256":"e9a3347aa9573f3e389d3dc61c68706ebce051a9c06653f1420b80ee85325cd7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:01.620519Z","signature_b64":"bMZrtWZ4XdiH8aX9cz6gcDt2g9b4r1UqVKx6Gk1UggCSYcNZr96cxdgI4l5DrTklzNq74kvF92+6rgU9tgjHDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9a3347aa9573f3e389d3dc61c68706ebce051a9c06653f1420b80ee85325cd7","last_reissued_at":"2026-05-18T00:37:01.620021Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:01.620021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.05188","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":"2026-05-18T00:37:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ahA97nz8l0nEvWE2g8pvExyOMLosB92RNHcG3uZcCN2F+4D2AhfdDdRcj4jN1HHwb7zDpCahLM+HaXwq7UaUBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T02:05:03.178032Z"},"content_sha256":"53ee071cf2b1efa7e841177aa7d81b333745a020646e5694262f23dff2f12b02","schema_version":"1.0","event_id":"sha256:53ee071cf2b1efa7e841177aa7d81b333745a020646e5694262f23dff2f12b02"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:5GRTI6VJK47T4OE5HXDBY2DQN2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing dark matter substructure in the gravitational lens HE0435-1223 with the WFC3 grism","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"A. H. G. Peter, A. M. Nierenberg, C. D. Fassnacht, C. R. Keeton, C. S. Kochanek, D. Sluse, G. Brammer, K. B. Schmidt, S. A. Wright, T. Treu","submitted_at":"2017-01-18T19:00:00Z","abstract_excerpt":"Strong gravitational lensing provides a powerful test of Cold Dark Matter (CDM) as it enables the detection and mass measurement of low mass haloes even if they do not contain baryons. Compact lensed sources such as Active Galactic Nuclei (AGN) are particularly sensitive to perturbing subhalos, but their use as a test of CDM has been limited by the small number of systems which have significant radio emission which is extended enough avoid significant lensing by stars in the plane of the lens galaxy, and red enough to be minimally affected by differential dust extinction. Narrow-line emission "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.05188","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":"2026-05-18T00:37:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ti46jPEgKlINT06r7j0xF+Ei1bcYjydF5E+Bvo5A5Y4g9VzSZeMvqCVnK2XHa4hFbw+FdcOOM1FsRC1woUYJCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T02:05:03.178723Z"},"content_sha256":"65d5be7061b29082ecf41b344ee2e5bc2fbd6cf96300a525b12b3047a7dff468","schema_version":"1.0","event_id":"sha256:65d5be7061b29082ecf41b344ee2e5bc2fbd6cf96300a525b12b3047a7dff468"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5GRTI6VJK47T4OE5HXDBY2DQN2/bundle.json","state_url":"https://pith.science/pith/5GRTI6VJK47T4OE5HXDBY2DQN2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5GRTI6VJK47T4OE5HXDBY2DQN2/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":"2026-06-08T02:05:03Z","links":{"resolver":"https://pith.science/pith/5GRTI6VJK47T4OE5HXDBY2DQN2","bundle":"https://pith.science/pith/5GRTI6VJK47T4OE5HXDBY2DQN2/bundle.json","state":"https://pith.science/pith/5GRTI6VJK47T4OE5HXDBY2DQN2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5GRTI6VJK47T4OE5HXDBY2DQN2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:5GRTI6VJK47T4OE5HXDBY2DQN2","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":"bcbb2e3b96913f6166f2a52116cd6c2287b4da6962fed318b72e59bd0e7cc47e","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-01-18T19:00:00Z","title_canon_sha256":"3c87754ae72d9e6e6c43850ef5433e728049b527efb7c3323e4176756a21066d"},"schema_version":"1.0","source":{"id":"1701.05188","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.05188","created_at":"2026-05-18T00:37:01Z"},{"alias_kind":"arxiv_version","alias_value":"1701.05188v2","created_at":"2026-05-18T00:37:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.05188","created_at":"2026-05-18T00:37:01Z"},{"alias_kind":"pith_short_12","alias_value":"5GRTI6VJK47T","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"5GRTI6VJK47T4OE5","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"5GRTI6VJ","created_at":"2026-05-18T12:31:00Z"}],"graph_snapshots":[{"event_id":"sha256:65d5be7061b29082ecf41b344ee2e5bc2fbd6cf96300a525b12b3047a7dff468","target":"graph","created_at":"2026-05-18T00:37:01Z","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":"Strong gravitational lensing provides a powerful test of Cold Dark Matter (CDM) as it enables the detection and mass measurement of low mass haloes even if they do not contain baryons. Compact lensed sources such as Active Galactic Nuclei (AGN) are particularly sensitive to perturbing subhalos, but their use as a test of CDM has been limited by the small number of systems which have significant radio emission which is extended enough avoid significant lensing by stars in the plane of the lens galaxy, and red enough to be minimally affected by differential dust extinction. Narrow-line emission ","authors_text":"A. H. G. Peter, A. M. Nierenberg, C. D. Fassnacht, C. R. Keeton, C. S. Kochanek, D. Sluse, G. Brammer, K. B. Schmidt, S. A. Wright, T. Treu","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-01-18T19:00:00Z","title":"Probing dark matter substructure in the gravitational lens HE0435-1223 with the WFC3 grism"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.05188","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":"sha256:53ee071cf2b1efa7e841177aa7d81b333745a020646e5694262f23dff2f12b02","target":"record","created_at":"2026-05-18T00:37:01Z","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":"bcbb2e3b96913f6166f2a52116cd6c2287b4da6962fed318b72e59bd0e7cc47e","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-01-18T19:00:00Z","title_canon_sha256":"3c87754ae72d9e6e6c43850ef5433e728049b527efb7c3323e4176756a21066d"},"schema_version":"1.0","source":{"id":"1701.05188","kind":"arxiv","version":2}},"canonical_sha256":"e9a3347aa9573f3e389d3dc61c68706ebce051a9c06653f1420b80ee85325cd7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9a3347aa9573f3e389d3dc61c68706ebce051a9c06653f1420b80ee85325cd7","first_computed_at":"2026-05-18T00:37:01.620021Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:01.620021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bMZrtWZ4XdiH8aX9cz6gcDt2g9b4r1UqVKx6Gk1UggCSYcNZr96cxdgI4l5DrTklzNq74kvF92+6rgU9tgjHDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:01.620519Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.05188","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:53ee071cf2b1efa7e841177aa7d81b333745a020646e5694262f23dff2f12b02","sha256:65d5be7061b29082ecf41b344ee2e5bc2fbd6cf96300a525b12b3047a7dff468"],"state_sha256":"a7fc7c9af0768cd452c38a5301d742ea2dfb76172f52cf883546b40128421e91"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jq7cX+tX76wQ2lupRBEDiyqGapx87u/DfFvnTeVaShmE1Xf4XQoHK0u489RBXnWX0qcMb8xqrl/9na4eMuo9Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T02:05:03.182534Z","bundle_sha256":"41eafaae80364935ec3691b55bde41930293b28103b05bc453aeda70d103e533"}}