{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:VDBXEGVWH46SMKIGSCVXUCH624","short_pith_number":"pith:VDBXEGVW","canonical_record":{"source":{"id":"astro-ph/0603019","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-01T15:51:10Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"c7453b3afe75687dbd8c432b21fe7436ecc047272254503e35fb24de56dbc781","abstract_canon_sha256":"daf54a7543fee3660d53907f25816a8d6e09d0aeb666e303e99657039ee87a08"},"schema_version":"1.0"},"canonical_sha256":"a8c3721ab63f3d26290690ab7a08fed70a1609ad17860d0be05994a59bcf82d1","source":{"kind":"arxiv","id":"astro-ph/0603019","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0603019","created_at":"2026-05-18T04:33:50Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0603019v2","created_at":"2026-05-18T04:33:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0603019","created_at":"2026-05-18T04:33:50Z"},{"alias_kind":"pith_short_12","alias_value":"VDBXEGVWH46S","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"VDBXEGVWH46SMKIG","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"VDBXEGVW","created_at":"2026-05-18T12:25:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:VDBXEGVWH46SMKIGSCVXUCH624","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0603019","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-01T15:51:10Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"c7453b3afe75687dbd8c432b21fe7436ecc047272254503e35fb24de56dbc781","abstract_canon_sha256":"daf54a7543fee3660d53907f25816a8d6e09d0aeb666e303e99657039ee87a08"},"schema_version":"1.0"},"canonical_sha256":"a8c3721ab63f3d26290690ab7a08fed70a1609ad17860d0be05994a59bcf82d1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:33:50.553292Z","signature_b64":"pCrg+zsiXQXBmZlTchM/fMqyt7uFalmwk387CAJrg6WFmTuRfp4h/1h0N46+Q9+dIKWPVYvJhwGKmfvqY5AACA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a8c3721ab63f3d26290690ab7a08fed70a1609ad17860d0be05994a59bcf82d1","last_reissued_at":"2026-05-18T04:33:50.552672Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:33:50.552672Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0603019","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":"2026-05-18T04:33:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iaxQXlYOUhvtNlbEjZpECEbrTKiqKo7E2Ocpm5ayXfCdnMjRFp8rLbjps1fBztA/dfrOSS3pDdFdaoqSoC5dCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T09:28:06.277055Z"},"content_sha256":"6e1e155eec16ff8adf08749e9a1cbc72399d86258c658f5dd39dfef77c4d2fad","schema_version":"1.0","event_id":"sha256:6e1e155eec16ff8adf08749e9a1cbc72399d86258c658f5dd39dfef77c4d2fad"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:VDBXEGVWH46SMKIGSCVXUCH624","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measuring neutrino masses and dark energy with weak lensing tomography","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"Huitzu Tu, Steen Hannestad, Yvonne Y. Y. Wong","submitted_at":"2006-03-01T15:51:10Z","abstract_excerpt":"Surveys of weak gravitational lensing of distant galaxies will be one of the key cosmological probes in the future. We study the ability of such surveys to constrain neutrino masses and the equation of state parameter of the dark energy, focussing on how tomographic information can improve the sensitivity to these parameters. We also provide a detailed discussion of systematic effects pertinent to weak lensing surveys, and the possible degradation of sensitivity to cosmological parameters due to these effects. For future probes such as the Large Synoptic Survey Telescope survey, we find that, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0603019","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":"2026-05-18T04:33:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UIZ/gyAixyiBTvYoM+gy+BIdKF+dyXmNxJMARHPEnl0oI2kL11ox1vyugWeZdvJgX91Bmq088aS01AwxiWKiAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T09:28:06.277708Z"},"content_sha256":"65d5660f61d69852a66f8d4649b13c5150c4c7e4c50053b2320c43dd65cbc01f","schema_version":"1.0","event_id":"sha256:65d5660f61d69852a66f8d4649b13c5150c4c7e4c50053b2320c43dd65cbc01f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VDBXEGVWH46SMKIGSCVXUCH624/bundle.json","state_url":"https://pith.science/pith/VDBXEGVWH46SMKIGSCVXUCH624/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VDBXEGVWH46SMKIGSCVXUCH624/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":"2026-05-25T09:28:06Z","links":{"resolver":"https://pith.science/pith/VDBXEGVWH46SMKIGSCVXUCH624","bundle":"https://pith.science/pith/VDBXEGVWH46SMKIGSCVXUCH624/bundle.json","state":"https://pith.science/pith/VDBXEGVWH46SMKIGSCVXUCH624/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VDBXEGVWH46SMKIGSCVXUCH624/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:VDBXEGVWH46SMKIGSCVXUCH624","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":"daf54a7543fee3660d53907f25816a8d6e09d0aeb666e303e99657039ee87a08","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-01T15:51:10Z","title_canon_sha256":"c7453b3afe75687dbd8c432b21fe7436ecc047272254503e35fb24de56dbc781"},"schema_version":"1.0","source":{"id":"astro-ph/0603019","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0603019","created_at":"2026-05-18T04:33:50Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0603019v2","created_at":"2026-05-18T04:33:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0603019","created_at":"2026-05-18T04:33:50Z"},{"alias_kind":"pith_short_12","alias_value":"VDBXEGVWH46S","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"VDBXEGVWH46SMKIG","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"VDBXEGVW","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:65d5660f61d69852a66f8d4649b13c5150c4c7e4c50053b2320c43dd65cbc01f","target":"graph","created_at":"2026-05-18T04:33:50Z","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":"Surveys of weak gravitational lensing of distant galaxies will be one of the key cosmological probes in the future. We study the ability of such surveys to constrain neutrino masses and the equation of state parameter of the dark energy, focussing on how tomographic information can improve the sensitivity to these parameters. We also provide a detailed discussion of systematic effects pertinent to weak lensing surveys, and the possible degradation of sensitivity to cosmological parameters due to these effects. For future probes such as the Large Synoptic Survey Telescope survey, we find that, ","authors_text":"Huitzu Tu, Steen Hannestad, Yvonne Y. Y. Wong","cross_cats":["hep-ph"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-03-01T15:51:10Z","title":"Measuring neutrino masses and dark energy with weak lensing tomography"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0603019","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":"sha256:6e1e155eec16ff8adf08749e9a1cbc72399d86258c658f5dd39dfef77c4d2fad","target":"record","created_at":"2026-05-18T04:33:50Z","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":"daf54a7543fee3660d53907f25816a8d6e09d0aeb666e303e99657039ee87a08","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-01T15:51:10Z","title_canon_sha256":"c7453b3afe75687dbd8c432b21fe7436ecc047272254503e35fb24de56dbc781"},"schema_version":"1.0","source":{"id":"astro-ph/0603019","kind":"arxiv","version":2}},"canonical_sha256":"a8c3721ab63f3d26290690ab7a08fed70a1609ad17860d0be05994a59bcf82d1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a8c3721ab63f3d26290690ab7a08fed70a1609ad17860d0be05994a59bcf82d1","first_computed_at":"2026-05-18T04:33:50.552672Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:33:50.552672Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pCrg+zsiXQXBmZlTchM/fMqyt7uFalmwk387CAJrg6WFmTuRfp4h/1h0N46+Q9+dIKWPVYvJhwGKmfvqY5AACA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:33:50.553292Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0603019","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6e1e155eec16ff8adf08749e9a1cbc72399d86258c658f5dd39dfef77c4d2fad","sha256:65d5660f61d69852a66f8d4649b13c5150c4c7e4c50053b2320c43dd65cbc01f"],"state_sha256":"3e441936a489b734a984030584f9e41bad178b00ab529a929f816b9ac5d479eb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GiRxIhAG62wApab8Hrd5b4WZdvJF/etuGgIx2Qwpc7w1Q0ChBRvbi3DDO4d4J9ZRPyLZdXK+y+bAr84zX3tfDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T09:28:06.280972Z","bundle_sha256":"e13ac98d60aeeccc5afae5418a41bf70719239c364571d032b8f452f256e2e87"}}