{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:4FJTGZ2RQNCQYG5YHSVOPEMVU2","short_pith_number":"pith:4FJTGZ2R","canonical_record":{"source":{"id":"2309.11810","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-09-21T06:28:39Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"a97b38c765f3f6afc9c71a21de84cb500b4edfd741ad4069eed13ffb520141ae","abstract_canon_sha256":"0dd07666320c3f51d9fde1fd909f1b16805a8deea4e1bb57cc839f0dfdd95a81"},"schema_version":"1.0"},"canonical_sha256":"e15333675183450c1bb83caae79195a6b7435fd725571c5e69ec0c8af1f49cc1","source":{"kind":"arxiv","id":"2309.11810","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.11810","created_at":"2026-07-05T07:31:32Z"},{"alias_kind":"arxiv_version","alias_value":"2309.11810v2","created_at":"2026-07-05T07:31:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.11810","created_at":"2026-07-05T07:31:32Z"},{"alias_kind":"pith_short_12","alias_value":"4FJTGZ2RQNCQ","created_at":"2026-07-05T07:31:32Z"},{"alias_kind":"pith_short_16","alias_value":"4FJTGZ2RQNCQYG5Y","created_at":"2026-07-05T07:31:32Z"},{"alias_kind":"pith_short_8","alias_value":"4FJTGZ2R","created_at":"2026-07-05T07:31:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:4FJTGZ2RQNCQYG5YHSVOPEMVU2","target":"record","payload":{"canonical_record":{"source":{"id":"2309.11810","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-09-21T06:28:39Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"a97b38c765f3f6afc9c71a21de84cb500b4edfd741ad4069eed13ffb520141ae","abstract_canon_sha256":"0dd07666320c3f51d9fde1fd909f1b16805a8deea4e1bb57cc839f0dfdd95a81"},"schema_version":"1.0"},"canonical_sha256":"e15333675183450c1bb83caae79195a6b7435fd725571c5e69ec0c8af1f49cc1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:31:32.317772Z","signature_b64":"hwhW3AqOevPZSuQR2e+r3I7q5lhj42OvrifvRtDecTa8DFThOrH0oqA9hQJhaqhwVI/K1BGPCFTuEBTOcRzhBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e15333675183450c1bb83caae79195a6b7435fd725571c5e69ec0c8af1f49cc1","last_reissued_at":"2026-07-05T07:31:32.317259Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:31:32.317259Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.11810","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":"2026-07-05T07:31:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pBaiQc18uiv2olUzZRjMmH+1+778GSvPgXHb8I2mLFRwKTDzhrYjd8hMYZq6OOWaJKThWI+2lbK08r81uf45Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T12:07:30.982588Z"},"content_sha256":"102c8beeda1ff6da69b0c8e8d48e69f8140c803b67e1eeca18fafaf11bea5a77","schema_version":"1.0","event_id":"sha256:102c8beeda1ff6da69b0c8e8d48e69f8140c803b67e1eeca18fafaf11bea5a77"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:4FJTGZ2RQNCQYG5YHSVOPEMVU2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extragalactic Test of General Relativity from Strong Gravitational Lensing by using Artificial Neural Networks","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Jing-Yu Ran, Jun-Jie Wei","submitted_at":"2023-09-21T06:28:39Z","abstract_excerpt":"This study aims to test the validity of general relativity (GR) on kiloparsec scales by employing a newly compiled galaxy-scale strong gravitational lensing (SGL) sample. We utilize the distance sum rule within the Friedmann-Lema\\^{\\i}tre-Robertson-Walker metric to obtain cosmology-independent constraints on both the parameterized post-Newtonian parameter $\\gamma_{\\rm PPN}$ and the spatial curvature $\\Omega_{k}$, which overcomes the circularity problem induced by the presumption of a cosmological model grounded in GR. To calibrate the distances in the SGL systems, we introduce a novel nonparam"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.11810","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/2309.11810/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":"2026-07-05T07:31:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B+ELpkGZfWsXAlOEZQonKo8r1AzUr2LbuNGRdxyPaLVg2sEFMgZC6AlZF2Ezxd6FDH5a9UggBQPfmkenGsZtBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T12:07:30.983134Z"},"content_sha256":"758c15afe406a6852f86cae5262bdb0212500c1a18d1eced246c3c4cdc65b410","schema_version":"1.0","event_id":"sha256:758c15afe406a6852f86cae5262bdb0212500c1a18d1eced246c3c4cdc65b410"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4FJTGZ2RQNCQYG5YHSVOPEMVU2/bundle.json","state_url":"https://pith.science/pith/4FJTGZ2RQNCQYG5YHSVOPEMVU2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4FJTGZ2RQNCQYG5YHSVOPEMVU2/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":"2026-08-06T12:07:30Z","links":{"resolver":"https://pith.science/pith/4FJTGZ2RQNCQYG5YHSVOPEMVU2","bundle":"https://pith.science/pith/4FJTGZ2RQNCQYG5YHSVOPEMVU2/bundle.json","state":"https://pith.science/pith/4FJTGZ2RQNCQYG5YHSVOPEMVU2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4FJTGZ2RQNCQYG5YHSVOPEMVU2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:4FJTGZ2RQNCQYG5YHSVOPEMVU2","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":"0dd07666320c3f51d9fde1fd909f1b16805a8deea4e1bb57cc839f0dfdd95a81","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-09-21T06:28:39Z","title_canon_sha256":"a97b38c765f3f6afc9c71a21de84cb500b4edfd741ad4069eed13ffb520141ae"},"schema_version":"1.0","source":{"id":"2309.11810","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.11810","created_at":"2026-07-05T07:31:32Z"},{"alias_kind":"arxiv_version","alias_value":"2309.11810v2","created_at":"2026-07-05T07:31:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.11810","created_at":"2026-07-05T07:31:32Z"},{"alias_kind":"pith_short_12","alias_value":"4FJTGZ2RQNCQ","created_at":"2026-07-05T07:31:32Z"},{"alias_kind":"pith_short_16","alias_value":"4FJTGZ2RQNCQYG5Y","created_at":"2026-07-05T07:31:32Z"},{"alias_kind":"pith_short_8","alias_value":"4FJTGZ2R","created_at":"2026-07-05T07:31:32Z"}],"graph_snapshots":[{"event_id":"sha256:758c15afe406a6852f86cae5262bdb0212500c1a18d1eced246c3c4cdc65b410","target":"graph","created_at":"2026-07-05T07:31:32Z","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/2309.11810/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This study aims to test the validity of general relativity (GR) on kiloparsec scales by employing a newly compiled galaxy-scale strong gravitational lensing (SGL) sample. We utilize the distance sum rule within the Friedmann-Lema\\^{\\i}tre-Robertson-Walker metric to obtain cosmology-independent constraints on both the parameterized post-Newtonian parameter $\\gamma_{\\rm PPN}$ and the spatial curvature $\\Omega_{k}$, which overcomes the circularity problem induced by the presumption of a cosmological model grounded in GR. To calibrate the distances in the SGL systems, we introduce a novel nonparam","authors_text":"Jing-Yu Ran, Jun-Jie Wei","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-09-21T06:28:39Z","title":"Extragalactic Test of General Relativity from Strong Gravitational Lensing by using Artificial Neural Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.11810","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":"sha256:102c8beeda1ff6da69b0c8e8d48e69f8140c803b67e1eeca18fafaf11bea5a77","target":"record","created_at":"2026-07-05T07:31:32Z","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":"0dd07666320c3f51d9fde1fd909f1b16805a8deea4e1bb57cc839f0dfdd95a81","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-09-21T06:28:39Z","title_canon_sha256":"a97b38c765f3f6afc9c71a21de84cb500b4edfd741ad4069eed13ffb520141ae"},"schema_version":"1.0","source":{"id":"2309.11810","kind":"arxiv","version":2}},"canonical_sha256":"e15333675183450c1bb83caae79195a6b7435fd725571c5e69ec0c8af1f49cc1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e15333675183450c1bb83caae79195a6b7435fd725571c5e69ec0c8af1f49cc1","first_computed_at":"2026-07-05T07:31:32.317259Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:31:32.317259Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hwhW3AqOevPZSuQR2e+r3I7q5lhj42OvrifvRtDecTa8DFThOrH0oqA9hQJhaqhwVI/K1BGPCFTuEBTOcRzhBA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:31:32.317772Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.11810","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:102c8beeda1ff6da69b0c8e8d48e69f8140c803b67e1eeca18fafaf11bea5a77","sha256:758c15afe406a6852f86cae5262bdb0212500c1a18d1eced246c3c4cdc65b410"],"state_sha256":"db8d1055bcf6b3912cad6a54db9cf10890299b5ec64bf8aca3c45ae201e79a12"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oDYCEBAHQ+nkOg5MiZxm/LheeZS+cYow4vjwO7oAqiqjHtmvtmWpPJsd2bGw/pxT03ceR3y1LQ7R62H5AKfnBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T12:07:30.988140Z","bundle_sha256":"466057c1849a28d60a04cc87cad264093eb9dcc886074320c449fb608fc50f97"}}