{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:PT625LFZHXP4E4RI65UTDGX67P","short_pith_number":"pith:PT625LFZ","canonical_record":{"source":{"id":"astro-ph/0110595","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-10-29T02:22:27Z","cross_cats_sorted":[],"title_canon_sha256":"dadcf8efaf4ef10d48b91c3da8ea619952185f2c7a6aaa59e9633a9fdf39cb30","abstract_canon_sha256":"64b3fdea6abc5318d845758cf241d554c14fa0402784e9f509b9d170740553b8"},"schema_version":"1.0"},"canonical_sha256":"7cfdaeacb93ddfc27228f769319afefbf145ca5cd4ae52ddf062c81a7d3c2d16","source":{"kind":"arxiv","id":"astro-ph/0110595","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0110595","created_at":"2026-07-04T16:24:21Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0110595v1","created_at":"2026-07-04T16:24:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0110595","created_at":"2026-07-04T16:24:21Z"},{"alias_kind":"pith_short_12","alias_value":"PT625LFZHXP4","created_at":"2026-07-04T16:24:21Z"},{"alias_kind":"pith_short_16","alias_value":"PT625LFZHXP4E4RI","created_at":"2026-07-04T16:24:21Z"},{"alias_kind":"pith_short_8","alias_value":"PT625LFZ","created_at":"2026-07-04T16:24:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:PT625LFZHXP4E4RI65UTDGX67P","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0110595","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-10-29T02:22:27Z","cross_cats_sorted":[],"title_canon_sha256":"dadcf8efaf4ef10d48b91c3da8ea619952185f2c7a6aaa59e9633a9fdf39cb30","abstract_canon_sha256":"64b3fdea6abc5318d845758cf241d554c14fa0402784e9f509b9d170740553b8"},"schema_version":"1.0"},"canonical_sha256":"7cfdaeacb93ddfc27228f769319afefbf145ca5cd4ae52ddf062c81a7d3c2d16","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:24:21.659394Z","signature_b64":"wOqwKnwJEGVT5EqOge/K9++kH38TPC7izz/avHWvqSakGRJN0TD1dWpmFuOaiCyzx+cKsLZbA+KRtdTzy2JZDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7cfdaeacb93ddfc27228f769319afefbf145ca5cd4ae52ddf062c81a7d3c2d16","last_reissued_at":"2026-07-04T16:24:21.658908Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:24:21.658908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0110595","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":"2026-07-04T16:24:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y+0iKUEwTNA8LgrvOiAvSUd0o7uszei1FZUxUTca2476Rrkk609nJnP8aPvOjgweQO0Cb+6ZfsTyaWpDarUSBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T17:49:47.082839Z"},"content_sha256":"3bd5865b09d5ee2e63445a2aea055ef1aa67fa5f8edc796e7e5cfc6b79bdcf57","schema_version":"1.0","event_id":"sha256:3bd5865b09d5ee2e63445a2aea055ef1aa67fa5f8edc796e7e5cfc6b79bdcf57"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:PT625LFZHXP4E4RI65UTDGX67P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Feasibility of Probing Dark Energy with Strong Gravitational Lensing Systems -- Fisher-Matrix Approach --","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Kazuhiro Yamamoto, Toshifumi Futamase, Tsukasa Murata, Yasufum Kadoya","submitted_at":"2001-10-29T02:22:27Z","abstract_excerpt":"We assess the feasibility of probing dark energy with strong gravitational lensing systems. The capability of the method, which depends on the accuracy with which the lensing systems are modeled, is quantitatively investigated using the Fisher-matrix formalism. We show that this method might place useful constraints on the density parameter and the redshift evolution of the dark energy by combining it with a constraint from supernova measurements. For this purpose, the lens potential needs to be precisely reconstructed. We determine the required quality of data. We also briefly discuss the opt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0110595","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0110595/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":"2026-07-04T16:24:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mwq9CYwog3lNljc0Ss9Or/RAfQw3CrJmaBVdEbrBoz3FMMxyWudlTtVHN0g4/A4DeSL0kHQWW8R6rPsRkszMBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T17:49:47.083385Z"},"content_sha256":"745a6b3544c10b3f0e2641d923479d7c738bb544a256fbf55165b57df41b51c6","schema_version":"1.0","event_id":"sha256:745a6b3544c10b3f0e2641d923479d7c738bb544a256fbf55165b57df41b51c6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PT625LFZHXP4E4RI65UTDGX67P/bundle.json","state_url":"https://pith.science/pith/PT625LFZHXP4E4RI65UTDGX67P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PT625LFZHXP4E4RI65UTDGX67P/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":"2026-08-12T17:49:47Z","links":{"resolver":"https://pith.science/pith/PT625LFZHXP4E4RI65UTDGX67P","bundle":"https://pith.science/pith/PT625LFZHXP4E4RI65UTDGX67P/bundle.json","state":"https://pith.science/pith/PT625LFZHXP4E4RI65UTDGX67P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PT625LFZHXP4E4RI65UTDGX67P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:PT625LFZHXP4E4RI65UTDGX67P","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":"64b3fdea6abc5318d845758cf241d554c14fa0402784e9f509b9d170740553b8","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2001-10-29T02:22:27Z","title_canon_sha256":"dadcf8efaf4ef10d48b91c3da8ea619952185f2c7a6aaa59e9633a9fdf39cb30"},"schema_version":"1.0","source":{"id":"astro-ph/0110595","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0110595","created_at":"2026-07-04T16:24:21Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0110595v1","created_at":"2026-07-04T16:24:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0110595","created_at":"2026-07-04T16:24:21Z"},{"alias_kind":"pith_short_12","alias_value":"PT625LFZHXP4","created_at":"2026-07-04T16:24:21Z"},{"alias_kind":"pith_short_16","alias_value":"PT625LFZHXP4E4RI","created_at":"2026-07-04T16:24:21Z"},{"alias_kind":"pith_short_8","alias_value":"PT625LFZ","created_at":"2026-07-04T16:24:21Z"}],"graph_snapshots":[{"event_id":"sha256:745a6b3544c10b3f0e2641d923479d7c738bb544a256fbf55165b57df41b51c6","target":"graph","created_at":"2026-07-04T16:24:21Z","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/astro-ph/0110595/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We assess the feasibility of probing dark energy with strong gravitational lensing systems. The capability of the method, which depends on the accuracy with which the lensing systems are modeled, is quantitatively investigated using the Fisher-matrix formalism. We show that this method might place useful constraints on the density parameter and the redshift evolution of the dark energy by combining it with a constraint from supernova measurements. For this purpose, the lens potential needs to be precisely reconstructed. We determine the required quality of data. We also briefly discuss the opt","authors_text":"Kazuhiro Yamamoto, Toshifumi Futamase, Tsukasa Murata, Yasufum Kadoya","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2001-10-29T02:22:27Z","title":"Feasibility of Probing Dark Energy with Strong Gravitational Lensing Systems -- Fisher-Matrix Approach --"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0110595","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":"sha256:3bd5865b09d5ee2e63445a2aea055ef1aa67fa5f8edc796e7e5cfc6b79bdcf57","target":"record","created_at":"2026-07-04T16:24:21Z","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":"64b3fdea6abc5318d845758cf241d554c14fa0402784e9f509b9d170740553b8","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2001-10-29T02:22:27Z","title_canon_sha256":"dadcf8efaf4ef10d48b91c3da8ea619952185f2c7a6aaa59e9633a9fdf39cb30"},"schema_version":"1.0","source":{"id":"astro-ph/0110595","kind":"arxiv","version":1}},"canonical_sha256":"7cfdaeacb93ddfc27228f769319afefbf145ca5cd4ae52ddf062c81a7d3c2d16","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7cfdaeacb93ddfc27228f769319afefbf145ca5cd4ae52ddf062c81a7d3c2d16","first_computed_at":"2026-07-04T16:24:21.658908Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:24:21.658908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wOqwKnwJEGVT5EqOge/K9++kH38TPC7izz/avHWvqSakGRJN0TD1dWpmFuOaiCyzx+cKsLZbA+KRtdTzy2JZDA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:24:21.659394Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0110595","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3bd5865b09d5ee2e63445a2aea055ef1aa67fa5f8edc796e7e5cfc6b79bdcf57","sha256:745a6b3544c10b3f0e2641d923479d7c738bb544a256fbf55165b57df41b51c6"],"state_sha256":"c4c5c54464a46d2c3d664aed515b10e02ad9dcb56105719e0671c69d9e47fdf7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kpnk/n6sVH5e3y01kyeKSMoy8mmNx91v6CMOqd7ndanEEx3+8mSVvOwC8zFAvJM3yRgpmXqirA9jBb5I5aFUBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T17:49:47.087757Z","bundle_sha256":"6c04a212c6eea89e30ed80a5f80a860e1ec3a1308864b9b3f6b4612f5e3f34a4"}}