{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:5M6JWIYGWNHIN4MYUH4FNTOBFT","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":"ba3fd6cacf00b3308dbc03267da98c28776f5777073914a971659329384afd2d","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-09-11T03:22:36Z","title_canon_sha256":"b5d54231a57167c757fcd4892885143990589eaa7f3948a949dd40e3c079c25a"},"schema_version":"1.0","source":{"id":"2409.06986","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.06986","created_at":"2026-07-05T10:14:24Z"},{"alias_kind":"arxiv_version","alias_value":"2409.06986v3","created_at":"2026-07-05T10:14:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.06986","created_at":"2026-07-05T10:14:24Z"},{"alias_kind":"pith_short_12","alias_value":"5M6JWIYGWNHI","created_at":"2026-07-05T10:14:24Z"},{"alias_kind":"pith_short_16","alias_value":"5M6JWIYGWNHIN4MY","created_at":"2026-07-05T10:14:24Z"},{"alias_kind":"pith_short_8","alias_value":"5M6JWIYG","created_at":"2026-07-05T10:14:24Z"}],"graph_snapshots":[{"event_id":"sha256:4d37e23ec0704b5ebc29e7e4847f82f051f141db66337f18735fa77555307c7d","target":"graph","created_at":"2026-07-05T10:14:24Z","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/2409.06986/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present an open source Python library for simulating overlapping (i.e., blended) images of galaxies and performing self-consistent comparisons of detection and deblending algorithms based on a suite of metrics. The package, named Blending Toolkit (BTK), serves as a modular, flexible, easy-to-install, and simple-to-use interface for exploring and analyzing systematic effects related to blended galaxies in cosmological surveys such as the Vera Rubin Observatory Legacy Survey of Space and Time (LSST). BTK has three main components: (1) a set of modules that perform fast image simulations of bl","authors_text":"Alexandre Boucaud, Alex I. Malz, Andrii Torchylo, Axel Guinot, Biswajit Biswas, Camille Avestruz, C\\'ecile Roucelle, Cyrille Doux, Eric Aubourg, Grant Merz, Hironao Miyatake, Ismael Mendoza, James Buchanan, Maxime Paillassa, Patricia Burchat, Prakruth Adari, Remy Joseph, Sowmya Kamath, The LSST Dark Energy Science Collaboration, Thomas Sainrat, Tianqing Zhang","cross_cats":["astro-ph.CO"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-09-11T03:22:36Z","title":"The Blending ToolKit: A simulation framework for evaluation of galaxy detection and deblending"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.06986","kind":"arxiv","version":3},"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":"sha256:552b68ee466e55f492050de3160c024a0632d5d77d89a48f7066fbc8aa5d0d6e","target":"record","created_at":"2026-07-05T10:14:24Z","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":"ba3fd6cacf00b3308dbc03267da98c28776f5777073914a971659329384afd2d","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-09-11T03:22:36Z","title_canon_sha256":"b5d54231a57167c757fcd4892885143990589eaa7f3948a949dd40e3c079c25a"},"schema_version":"1.0","source":{"id":"2409.06986","kind":"arxiv","version":3}},"canonical_sha256":"eb3c9b2306b34e86f198a1f856cdc12ce86ec6a0288d9bbcc106f035d17b5b46","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eb3c9b2306b34e86f198a1f856cdc12ce86ec6a0288d9bbcc106f035d17b5b46","first_computed_at":"2026-07-05T10:14:24.025748Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:14:24.025748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GHz6jt9XJn0Iib51w1D+xvRqnxx84EcIz9fZbYZBvGG5ssjdrBvGkFWYx9CzprOWgEaoR3S1YcRO1mPb69pOBw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:14:24.026261Z","signed_message":"canonical_sha256_bytes"},"source_id":"2409.06986","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:552b68ee466e55f492050de3160c024a0632d5d77d89a48f7066fbc8aa5d0d6e","sha256:4d37e23ec0704b5ebc29e7e4847f82f051f141db66337f18735fa77555307c7d"],"state_sha256":"f3de7ba3f0cb8763473034397864e5a60d25a2076e3980381591d9861597bcfa"}