{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:2POTHPY63LQBDF4YVIEEBVA4OK","short_pith_number":"pith:2POTHPY6","canonical_record":{"source":{"id":"2202.02616","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.CO","submitted_at":"2022-02-05T19:18:33Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"7ab65a0bcd365735b1a171d9bdb4473285cf9a5b44b44d274bbf36e121f50634","abstract_canon_sha256":"7dfc4fa8d0548c14f051164921e5e044d27fc3dcac6ef474b78ec3424f173e79"},"schema_version":"1.0"},"canonical_sha256":"d3dd33bf1edae0119798aa0840d41c7291d9cfb01dbeb98637e8cf30ab9708b7","source":{"kind":"arxiv","id":"2202.02616","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.02616","created_at":"2026-07-05T05:52:18Z"},{"alias_kind":"arxiv_version","alias_value":"2202.02616v2","created_at":"2026-07-05T05:52:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.02616","created_at":"2026-07-05T05:52:18Z"},{"alias_kind":"pith_short_12","alias_value":"2POTHPY63LQB","created_at":"2026-07-05T05:52:18Z"},{"alias_kind":"pith_short_16","alias_value":"2POTHPY63LQBDF4Y","created_at":"2026-07-05T05:52:18Z"},{"alias_kind":"pith_short_8","alias_value":"2POTHPY6","created_at":"2026-07-05T05:52:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:2POTHPY63LQBDF4YVIEEBVA4OK","target":"record","payload":{"canonical_record":{"source":{"id":"2202.02616","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.CO","submitted_at":"2022-02-05T19:18:33Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"7ab65a0bcd365735b1a171d9bdb4473285cf9a5b44b44d274bbf36e121f50634","abstract_canon_sha256":"7dfc4fa8d0548c14f051164921e5e044d27fc3dcac6ef474b78ec3424f173e79"},"schema_version":"1.0"},"canonical_sha256":"d3dd33bf1edae0119798aa0840d41c7291d9cfb01dbeb98637e8cf30ab9708b7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:52:18.566640Z","signature_b64":"cRTqEkSZT1GuzLX54UYJFQH0ah0q0n8pFULH/Dx69MGW49cFQfLFO7LmghcDsIyvaLF8/dCDNjHMaSv1IobaAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d3dd33bf1edae0119798aa0840d41c7291d9cfb01dbeb98637e8cf30ab9708b7","last_reissued_at":"2026-07-05T05:52:18.566062Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:52:18.566062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.02616","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":"2026-07-05T05:52:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OPuTDPbtbHRoEwSQUt8Wb/qnzoOou96Qchqp1bvdSk0GhGXUaqlEl8vIjB5fSkUmAG84FC12ytvla29zz41RBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T21:16:13.215694Z"},"content_sha256":"34464900f750a3a4dc0fef1b34f9a3ca7b88e796fb3e15b306e1ed6dd2395542","schema_version":"1.0","event_id":"sha256:34464900f750a3a4dc0fef1b34f9a3ca7b88e796fb3e15b306e1ed6dd2395542"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:2POTHPY63LQBDF4YVIEEBVA4OK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"DSSIM: a structural similarity index for floating-point data","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"stat.CO","authors_text":"Alexander Pinard, Allison H. Baker, Dorit M. Hammerling","submitted_at":"2022-02-05T19:18:33Z","abstract_excerpt":"Data visualization is a critical component in terms of interacting with floating-point output data from large model simulation codes. Indeed, postprocessing analysis workflows on simulation data often generate a large number of images from the raw data, many of which are then compared to each other or to specified reference images. In this image-comparison scenario, image quality assessment (IQA) measures are quite useful, and the Structural Similarity Index (SSIM) continues to be a popular choice. However, generating large numbers of images can be costly, and plot-specific (but data independe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.02616","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/2202.02616/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":"2026-07-05T05:52:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/u2Z1eVSIXew88iGtthFZVoupslMHG182kPzATIISBwugaSg45S6wxfdbXLYhaU5OWmF35vDdvFP8ytRb9ZZCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T21:16:13.216342Z"},"content_sha256":"61d389b42c22e7d15107ba659cbd0f648fe7873ed68d2b2f9202edbfffce3191","schema_version":"1.0","event_id":"sha256:61d389b42c22e7d15107ba659cbd0f648fe7873ed68d2b2f9202edbfffce3191"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2POTHPY63LQBDF4YVIEEBVA4OK/bundle.json","state_url":"https://pith.science/pith/2POTHPY63LQBDF4YVIEEBVA4OK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2POTHPY63LQBDF4YVIEEBVA4OK/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":"2026-08-09T21:16:13Z","links":{"resolver":"https://pith.science/pith/2POTHPY63LQBDF4YVIEEBVA4OK","bundle":"https://pith.science/pith/2POTHPY63LQBDF4YVIEEBVA4OK/bundle.json","state":"https://pith.science/pith/2POTHPY63LQBDF4YVIEEBVA4OK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2POTHPY63LQBDF4YVIEEBVA4OK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:2POTHPY63LQBDF4YVIEEBVA4OK","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":"7dfc4fa8d0548c14f051164921e5e044d27fc3dcac6ef474b78ec3424f173e79","cross_cats_sorted":["cs.CV"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.CO","submitted_at":"2022-02-05T19:18:33Z","title_canon_sha256":"7ab65a0bcd365735b1a171d9bdb4473285cf9a5b44b44d274bbf36e121f50634"},"schema_version":"1.0","source":{"id":"2202.02616","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.02616","created_at":"2026-07-05T05:52:18Z"},{"alias_kind":"arxiv_version","alias_value":"2202.02616v2","created_at":"2026-07-05T05:52:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.02616","created_at":"2026-07-05T05:52:18Z"},{"alias_kind":"pith_short_12","alias_value":"2POTHPY63LQB","created_at":"2026-07-05T05:52:18Z"},{"alias_kind":"pith_short_16","alias_value":"2POTHPY63LQBDF4Y","created_at":"2026-07-05T05:52:18Z"},{"alias_kind":"pith_short_8","alias_value":"2POTHPY6","created_at":"2026-07-05T05:52:18Z"}],"graph_snapshots":[{"event_id":"sha256:61d389b42c22e7d15107ba659cbd0f648fe7873ed68d2b2f9202edbfffce3191","target":"graph","created_at":"2026-07-05T05:52:18Z","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/2202.02616/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Data visualization is a critical component in terms of interacting with floating-point output data from large model simulation codes. Indeed, postprocessing analysis workflows on simulation data often generate a large number of images from the raw data, many of which are then compared to each other or to specified reference images. In this image-comparison scenario, image quality assessment (IQA) measures are quite useful, and the Structural Similarity Index (SSIM) continues to be a popular choice. However, generating large numbers of images can be costly, and plot-specific (but data independe","authors_text":"Alexander Pinard, Allison H. Baker, Dorit M. Hammerling","cross_cats":["cs.CV"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.CO","submitted_at":"2022-02-05T19:18:33Z","title":"DSSIM: a structural similarity index for floating-point data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.02616","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":"sha256:34464900f750a3a4dc0fef1b34f9a3ca7b88e796fb3e15b306e1ed6dd2395542","target":"record","created_at":"2026-07-05T05:52:18Z","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":"7dfc4fa8d0548c14f051164921e5e044d27fc3dcac6ef474b78ec3424f173e79","cross_cats_sorted":["cs.CV"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.CO","submitted_at":"2022-02-05T19:18:33Z","title_canon_sha256":"7ab65a0bcd365735b1a171d9bdb4473285cf9a5b44b44d274bbf36e121f50634"},"schema_version":"1.0","source":{"id":"2202.02616","kind":"arxiv","version":2}},"canonical_sha256":"d3dd33bf1edae0119798aa0840d41c7291d9cfb01dbeb98637e8cf30ab9708b7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d3dd33bf1edae0119798aa0840d41c7291d9cfb01dbeb98637e8cf30ab9708b7","first_computed_at":"2026-07-05T05:52:18.566062Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:52:18.566062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cRTqEkSZT1GuzLX54UYJFQH0ah0q0n8pFULH/Dx69MGW49cFQfLFO7LmghcDsIyvaLF8/dCDNjHMaSv1IobaAw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:52:18.566640Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.02616","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:34464900f750a3a4dc0fef1b34f9a3ca7b88e796fb3e15b306e1ed6dd2395542","sha256:61d389b42c22e7d15107ba659cbd0f648fe7873ed68d2b2f9202edbfffce3191"],"state_sha256":"3dfa871678e71a59f919b3baf584547c79fdfc7659abab3082727b708dfedb63"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1cWhnMQRssYgskSaHAYWLlm26vY5ggEMFbsN1j02IfDKhHlLJPSb0gJf6FOHcM7vG81wEMl+Rue9xN040NLQBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T21:16:13.222012Z","bundle_sha256":"6a3425217c6a4bd67cb3dfa5a554f6a175ea99958850040934a4dca31861e913"}}