{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:V3ATNDN4TV37SKYAGAZB3N4HJN","short_pith_number":"pith:V3ATNDN4","canonical_record":{"source":{"id":"2502.18571","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-02-25T19:01:15Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"475b2448f081aaa853dbc0b754b28410820168d489735b5573634a6b34d9d379","abstract_canon_sha256":"e2310b264bb9904fef8fa55bf127ea22de26d5a2c1b8d1917a3c43aa81e1e794"},"schema_version":"1.0"},"canonical_sha256":"aec1368dbc9d77f92b0030321db7874b7ad80fdec7635e75aeacfb5c0c703eb4","source":{"kind":"arxiv","id":"2502.18571","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.18571","created_at":"2026-07-05T12:07:37Z"},{"alias_kind":"arxiv_version","alias_value":"2502.18571v2","created_at":"2026-07-05T12:07:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.18571","created_at":"2026-07-05T12:07:37Z"},{"alias_kind":"pith_short_12","alias_value":"V3ATNDN4TV37","created_at":"2026-07-05T12:07:37Z"},{"alias_kind":"pith_short_16","alias_value":"V3ATNDN4TV37SKYA","created_at":"2026-07-05T12:07:37Z"},{"alias_kind":"pith_short_8","alias_value":"V3ATNDN4","created_at":"2026-07-05T12:07:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:V3ATNDN4TV37SKYAGAZB3N4HJN","target":"record","payload":{"canonical_record":{"source":{"id":"2502.18571","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-02-25T19:01:15Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"475b2448f081aaa853dbc0b754b28410820168d489735b5573634a6b34d9d379","abstract_canon_sha256":"e2310b264bb9904fef8fa55bf127ea22de26d5a2c1b8d1917a3c43aa81e1e794"},"schema_version":"1.0"},"canonical_sha256":"aec1368dbc9d77f92b0030321db7874b7ad80fdec7635e75aeacfb5c0c703eb4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:07:37.329560Z","signature_b64":"NIZVKTG4nsBouDbvVhLYw4CBcYOjXKDWGSNsuum1l6s9gdran4vgAN0ocwwTcRtUs2Vq4vGhe8eLlZUlSEWyBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aec1368dbc9d77f92b0030321db7874b7ad80fdec7635e75aeacfb5c0c703eb4","last_reissued_at":"2026-07-05T12:07:37.329063Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:07:37.329063Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.18571","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":"2026-07-05T12:07:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tihs20KPegvk+zDyZ1VJ/0gT3iYPE0sHbhQT8XHSCiuJsfWhpupdrZBWaTguTZFwsE33fKgRpgeqaijpJZ/7Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T14:34:33.994099Z"},"content_sha256":"4c53d4df4a2e99b84419116deb6778a34ff1c5302972ecff877ae91ecbbc5a13","schema_version":"1.0","event_id":"sha256:4c53d4df4a2e99b84419116deb6778a34ff1c5302972ecff877ae91ecbbc5a13"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:V3ATNDN4TV37SKYAGAZB3N4HJN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dark Matter Substructure or Source Model Systematics? A Case Study of Cluster Lens Abell S1063","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"At{\\i}n\\c{c} \\c{C}a\\u{g}an \\c{S}eng\\\"ul, Chandrika Chandrashekar, Cora Dvorkin, Nino Ephremidze","submitted_at":"2025-02-25T19:01:15Z","abstract_excerpt":"Mapping the small-scale structure of the universe through gravitational lensing is a promising tool for probing the particle nature of dark matter. Curved Arc Basis (CAB) has been proposed as a local lensing formalism in galaxy clusters, with the potential to detect low-mass dark matter substructure. In this work, we analyze the cluster lens Abell S1063 in search of dark matter substructure with the CAB formalism, using multi-band imaging data from JWST. We use two different source modeling methods: shapelets and pixel-based source reconstruction based on Delaunay triangulation. We find that s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.18571","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2502.18571/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T12:07:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qica7Iph0ZNHG8ycns9/+pNTNy0lmY1gMXP7vZJUJl6W+or940mk05aIrQYcieyTK8dEglrWTXZQOGRownOuDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T14:34:33.994643Z"},"content_sha256":"7adbc4addca0b5e0379c6b50065f121fbd13a9e17044da777304d3bf2c937926","schema_version":"1.0","event_id":"sha256:7adbc4addca0b5e0379c6b50065f121fbd13a9e17044da777304d3bf2c937926"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V3ATNDN4TV37SKYAGAZB3N4HJN/bundle.json","state_url":"https://pith.science/pith/V3ATNDN4TV37SKYAGAZB3N4HJN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V3ATNDN4TV37SKYAGAZB3N4HJN/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":"2026-08-19T14:34:33Z","links":{"resolver":"https://pith.science/pith/V3ATNDN4TV37SKYAGAZB3N4HJN","bundle":"https://pith.science/pith/V3ATNDN4TV37SKYAGAZB3N4HJN/bundle.json","state":"https://pith.science/pith/V3ATNDN4TV37SKYAGAZB3N4HJN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V3ATNDN4TV37SKYAGAZB3N4HJN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:V3ATNDN4TV37SKYAGAZB3N4HJN","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":"e2310b264bb9904fef8fa55bf127ea22de26d5a2c1b8d1917a3c43aa81e1e794","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-02-25T19:01:15Z","title_canon_sha256":"475b2448f081aaa853dbc0b754b28410820168d489735b5573634a6b34d9d379"},"schema_version":"1.0","source":{"id":"2502.18571","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.18571","created_at":"2026-07-05T12:07:37Z"},{"alias_kind":"arxiv_version","alias_value":"2502.18571v2","created_at":"2026-07-05T12:07:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.18571","created_at":"2026-07-05T12:07:37Z"},{"alias_kind":"pith_short_12","alias_value":"V3ATNDN4TV37","created_at":"2026-07-05T12:07:37Z"},{"alias_kind":"pith_short_16","alias_value":"V3ATNDN4TV37SKYA","created_at":"2026-07-05T12:07:37Z"},{"alias_kind":"pith_short_8","alias_value":"V3ATNDN4","created_at":"2026-07-05T12:07:37Z"}],"graph_snapshots":[{"event_id":"sha256:7adbc4addca0b5e0379c6b50065f121fbd13a9e17044da777304d3bf2c937926","target":"graph","created_at":"2026-07-05T12:07:37Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2502.18571/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Mapping the small-scale structure of the universe through gravitational lensing is a promising tool for probing the particle nature of dark matter. Curved Arc Basis (CAB) has been proposed as a local lensing formalism in galaxy clusters, with the potential to detect low-mass dark matter substructure. In this work, we analyze the cluster lens Abell S1063 in search of dark matter substructure with the CAB formalism, using multi-band imaging data from JWST. We use two different source modeling methods: shapelets and pixel-based source reconstruction based on Delaunay triangulation. We find that s","authors_text":"At{\\i}n\\c{c} \\c{C}a\\u{g}an \\c{S}eng\\\"ul, Chandrika Chandrashekar, Cora Dvorkin, Nino Ephremidze","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-02-25T19:01:15Z","title":"Dark Matter Substructure or Source Model Systematics? A Case Study of Cluster Lens Abell S1063"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.18571","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":"sha256:4c53d4df4a2e99b84419116deb6778a34ff1c5302972ecff877ae91ecbbc5a13","target":"record","created_at":"2026-07-05T12:07:37Z","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":"e2310b264bb9904fef8fa55bf127ea22de26d5a2c1b8d1917a3c43aa81e1e794","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-02-25T19:01:15Z","title_canon_sha256":"475b2448f081aaa853dbc0b754b28410820168d489735b5573634a6b34d9d379"},"schema_version":"1.0","source":{"id":"2502.18571","kind":"arxiv","version":2}},"canonical_sha256":"aec1368dbc9d77f92b0030321db7874b7ad80fdec7635e75aeacfb5c0c703eb4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aec1368dbc9d77f92b0030321db7874b7ad80fdec7635e75aeacfb5c0c703eb4","first_computed_at":"2026-07-05T12:07:37.329063Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:07:37.329063Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NIZVKTG4nsBouDbvVhLYw4CBcYOjXKDWGSNsuum1l6s9gdran4vgAN0ocwwTcRtUs2Vq4vGhe8eLlZUlSEWyBw==","signature_status":"signed_v1","signed_at":"2026-07-05T12:07:37.329560Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.18571","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c53d4df4a2e99b84419116deb6778a34ff1c5302972ecff877ae91ecbbc5a13","sha256:7adbc4addca0b5e0379c6b50065f121fbd13a9e17044da777304d3bf2c937926"],"state_sha256":"936e3616a8137ed9a8dc63e33cf300c19c6decc1ced67be040ffb80f5b69aefa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"19b813lknrqVtnb1hrqn31L6PFhOkFSte9RstE0tr9H1yDNwIWXdNWYYEmpre306QiGZl1E8jU9wcy9fkOpeAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T14:34:33.999522Z","bundle_sha256":"4ce40a6d08c80a80724cb2f2f1c0c18d090248026e1782932fa86053d3c00c0f"}}