{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:GHMMXNTQA56PNLXBIIINGC7ILF","short_pith_number":"pith:GHMMXNTQ","canonical_record":{"source":{"id":"2503.08586","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-03-11T16:22:08Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"b711254f8f1d2763d19ab51097961176435a6532590c355523043380f3015cf8","abstract_canon_sha256":"13da4cf0b206aa902e230c7dc338a19b84018f24484270eda8beeff5600e4c5e"},"schema_version":"1.0"},"canonical_sha256":"31d8cbb670077cf6aee14210d30be859433c89665b6508a709b04ab5e0e9d128","source":{"kind":"arxiv","id":"2503.08586","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.08586","created_at":"2026-07-05T11:49:07Z"},{"alias_kind":"arxiv_version","alias_value":"2503.08586v2","created_at":"2026-07-05T11:49:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.08586","created_at":"2026-07-05T11:49:07Z"},{"alias_kind":"pith_short_12","alias_value":"GHMMXNTQA56P","created_at":"2026-07-05T11:49:07Z"},{"alias_kind":"pith_short_16","alias_value":"GHMMXNTQA56PNLXB","created_at":"2026-07-05T11:49:07Z"},{"alias_kind":"pith_short_8","alias_value":"GHMMXNTQ","created_at":"2026-07-05T11:49:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:GHMMXNTQA56PNLXBIIINGC7ILF","target":"record","payload":{"canonical_record":{"source":{"id":"2503.08586","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-03-11T16:22:08Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"b711254f8f1d2763d19ab51097961176435a6532590c355523043380f3015cf8","abstract_canon_sha256":"13da4cf0b206aa902e230c7dc338a19b84018f24484270eda8beeff5600e4c5e"},"schema_version":"1.0"},"canonical_sha256":"31d8cbb670077cf6aee14210d30be859433c89665b6508a709b04ab5e0e9d128","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:49:07.924392Z","signature_b64":"Sg6+4b5XORx68QvGX1RQ/tGdZzAi/n0RCYING0kfqx09jDWSMxtNwqSAEr4KEJZB/hRHoIwB0r3B9ZAgoRxECg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"31d8cbb670077cf6aee14210d30be859433c89665b6508a709b04ab5e0e9d128","last_reissued_at":"2026-07-05T11:49:07.923894Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:49:07.923894Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.08586","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":"2026-07-05T11:49:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0+4ioeI50bL8VSeEk2+E7bRZtNDYnQ+xzgFy3afzwJ2D1J0jYrLJ5s4cpQC6sUNg5qUtNeRiwME0VqUzV71xBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T09:04:58.121974Z"},"content_sha256":"99143c6682b8d0f897035440c3ac1aa2b3eaa479d39f2d9a18bd551d57033839","schema_version":"1.0","event_id":"sha256:99143c6682b8d0f897035440c3ac1aa2b3eaa479d39f2d9a18bd551d57033839"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:GHMMXNTQA56PNLXBIIINGC7ILF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CSST Strong Lensing Preparation: Fast Modeling of Galaxy-Galaxy Strong Lenses in the Big Data Era","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.IM","authors_text":"Huanyuan Shan, Nan Li, Ran Li, Rui Li, Tian Li, Xiaoyue Cao, Yun Chen","submitted_at":"2025-03-11T16:22:08Z","abstract_excerpt":"Galaxy-galaxy strong lensing provides a powerful probe of galaxy formation, evolution, and the properties of dark matter and dark energy. However, conventional lens-modeling approaches are computationally expensive and require fine-tuning to avoid local optima, rendering them impractical for the hundreds of thousands of lenses expected from surveys such as Euclid, CSST, and Roman Space Telescopes. To overcome these challenges, we introduce TinyLensGPU, a GPU-accelerated lens-modeling tool that employs XLA-based acceleration with JAX and a neural-network-enhanced nested sampling algorithm, naut"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.08586","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/2503.08586/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":"2026-07-05T11:49:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"duZYzrj2TMaHlJXJBSHCEtVZd5S34gIRj2TFJW8bKLo3o3dz4qogKXW1P/AFtKw78IMcWSjI3vbWpszoxtplBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T09:04:58.122478Z"},"content_sha256":"59fec8132af60a47a7560830f443c5c3a3006c1ea04e17f3d8755e30c666165d","schema_version":"1.0","event_id":"sha256:59fec8132af60a47a7560830f443c5c3a3006c1ea04e17f3d8755e30c666165d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GHMMXNTQA56PNLXBIIINGC7ILF/bundle.json","state_url":"https://pith.science/pith/GHMMXNTQA56PNLXBIIINGC7ILF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GHMMXNTQA56PNLXBIIINGC7ILF/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":"2026-08-06T09:04:58Z","links":{"resolver":"https://pith.science/pith/GHMMXNTQA56PNLXBIIINGC7ILF","bundle":"https://pith.science/pith/GHMMXNTQA56PNLXBIIINGC7ILF/bundle.json","state":"https://pith.science/pith/GHMMXNTQA56PNLXBIIINGC7ILF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GHMMXNTQA56PNLXBIIINGC7ILF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:GHMMXNTQA56PNLXBIIINGC7ILF","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":"13da4cf0b206aa902e230c7dc338a19b84018f24484270eda8beeff5600e4c5e","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-03-11T16:22:08Z","title_canon_sha256":"b711254f8f1d2763d19ab51097961176435a6532590c355523043380f3015cf8"},"schema_version":"1.0","source":{"id":"2503.08586","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.08586","created_at":"2026-07-05T11:49:07Z"},{"alias_kind":"arxiv_version","alias_value":"2503.08586v2","created_at":"2026-07-05T11:49:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.08586","created_at":"2026-07-05T11:49:07Z"},{"alias_kind":"pith_short_12","alias_value":"GHMMXNTQA56P","created_at":"2026-07-05T11:49:07Z"},{"alias_kind":"pith_short_16","alias_value":"GHMMXNTQA56PNLXB","created_at":"2026-07-05T11:49:07Z"},{"alias_kind":"pith_short_8","alias_value":"GHMMXNTQ","created_at":"2026-07-05T11:49:07Z"}],"graph_snapshots":[{"event_id":"sha256:59fec8132af60a47a7560830f443c5c3a3006c1ea04e17f3d8755e30c666165d","target":"graph","created_at":"2026-07-05T11:49:07Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2503.08586/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Galaxy-galaxy strong lensing provides a powerful probe of galaxy formation, evolution, and the properties of dark matter and dark energy. However, conventional lens-modeling approaches are computationally expensive and require fine-tuning to avoid local optima, rendering them impractical for the hundreds of thousands of lenses expected from surveys such as Euclid, CSST, and Roman Space Telescopes. To overcome these challenges, we introduce TinyLensGPU, a GPU-accelerated lens-modeling tool that employs XLA-based acceleration with JAX and a neural-network-enhanced nested sampling algorithm, naut","authors_text":"Huanyuan Shan, Nan Li, Ran Li, Rui Li, Tian Li, Xiaoyue Cao, Yun Chen","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-03-11T16:22:08Z","title":"CSST Strong Lensing Preparation: Fast Modeling of Galaxy-Galaxy Strong Lenses in the Big Data Era"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.08586","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":"sha256:99143c6682b8d0f897035440c3ac1aa2b3eaa479d39f2d9a18bd551d57033839","target":"record","created_at":"2026-07-05T11:49:07Z","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":"13da4cf0b206aa902e230c7dc338a19b84018f24484270eda8beeff5600e4c5e","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-03-11T16:22:08Z","title_canon_sha256":"b711254f8f1d2763d19ab51097961176435a6532590c355523043380f3015cf8"},"schema_version":"1.0","source":{"id":"2503.08586","kind":"arxiv","version":2}},"canonical_sha256":"31d8cbb670077cf6aee14210d30be859433c89665b6508a709b04ab5e0e9d128","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"31d8cbb670077cf6aee14210d30be859433c89665b6508a709b04ab5e0e9d128","first_computed_at":"2026-07-05T11:49:07.923894Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:49:07.923894Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Sg6+4b5XORx68QvGX1RQ/tGdZzAi/n0RCYING0kfqx09jDWSMxtNwqSAEr4KEJZB/hRHoIwB0r3B9ZAgoRxECg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:49:07.924392Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.08586","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:99143c6682b8d0f897035440c3ac1aa2b3eaa479d39f2d9a18bd551d57033839","sha256:59fec8132af60a47a7560830f443c5c3a3006c1ea04e17f3d8755e30c666165d"],"state_sha256":"d7989c2ffc113b3c7f7d707b593efee75ec90372cf587a36d789b5b1daf58232"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dVMkfPzAIm6bQ14hj7qFmJ73Bk2w38r3dwP5TWb2uysq7oMQE9ZaT722N9qMaisDtlayNU0TXVu242t/uD59Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T09:04:58.127344Z","bundle_sha256":"083f2cde056080eb13235cce7a8aea7787d6727f24bdb5592311c8f460153969"}}