{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:NGUXIPR43QBH3SUCDXHNPIFJHJ","short_pith_number":"pith:NGUXIPR4","canonical_record":{"source":{"id":"2506.05987","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.MM","submitted_at":"2025-06-06T11:16:40Z","cross_cats_sorted":[],"title_canon_sha256":"d7348054499b1bd48907aceaa5968f9496ec06dd6891524095735527386b2d6b","abstract_canon_sha256":"3b1f5de1df35bb538f5f24471dcfda6ef14855d956d7f4486a9ac0a2758590d8"},"schema_version":"1.0"},"canonical_sha256":"69a9743e3cdc027dca821dced7a0a93a7bc1f50ce58d10a0557c625bd47caecc","source":{"kind":"arxiv","id":"2506.05987","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.05987","created_at":"2026-07-05T11:20:55Z"},{"alias_kind":"arxiv_version","alias_value":"2506.05987v2","created_at":"2026-07-05T11:20:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.05987","created_at":"2026-07-05T11:20:55Z"},{"alias_kind":"pith_short_12","alias_value":"NGUXIPR43QBH","created_at":"2026-07-05T11:20:55Z"},{"alias_kind":"pith_short_16","alias_value":"NGUXIPR43QBH3SUC","created_at":"2026-07-05T11:20:55Z"},{"alias_kind":"pith_short_8","alias_value":"NGUXIPR4","created_at":"2026-07-05T11:20:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:NGUXIPR43QBH3SUCDXHNPIFJHJ","target":"record","payload":{"canonical_record":{"source":{"id":"2506.05987","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.MM","submitted_at":"2025-06-06T11:16:40Z","cross_cats_sorted":[],"title_canon_sha256":"d7348054499b1bd48907aceaa5968f9496ec06dd6891524095735527386b2d6b","abstract_canon_sha256":"3b1f5de1df35bb538f5f24471dcfda6ef14855d956d7f4486a9ac0a2758590d8"},"schema_version":"1.0"},"canonical_sha256":"69a9743e3cdc027dca821dced7a0a93a7bc1f50ce58d10a0557c625bd47caecc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:20:55.248055Z","signature_b64":"OqtDx5OxyAA5n/kCXY5fzkIng7pxwSGK5Nmllwk5Eu+Ni10L0QUdtQjD6FdN7loKCSwGGEYONC1Vew1vrDZzBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"69a9743e3cdc027dca821dced7a0a93a7bc1f50ce58d10a0557c625bd47caecc","last_reissued_at":"2026-07-05T11:20:55.247587Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:20:55.247587Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.05987","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":"2026-07-05T11:20:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jgt0MYYB7tNaVMYkF2ituuqh39kZJCoR8slW7szZUtKXWXd3GZr9EAW92gyYiTXaNoRuS8HgqYtXEpkzlHeyDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T00:58:18.800282Z"},"content_sha256":"a8816657383cad29ce926c14f42aac13252878a684b036c210912e117c6096ca","schema_version":"1.0","event_id":"sha256:a8816657383cad29ce926c14f42aac13252878a684b036c210912e117c6096ca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:NGUXIPR43QBH3SUCDXHNPIFJHJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The JPEG XL Image Coding System: History, Features, Coding Tools, Design Rationale, and Future","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.MM","authors_text":"Amnon Cohen-Tidhar, Eric Portis, Evgenii Kliuchnikov, Jon Sneyers, Jyrki Alakuijala, Luca Versari, Moritz Firsching, Osamu Watanabe, Sami Boukortt, Tal Lev-Ami, Thomas Richter, Zolt\\'an Szabadka","submitted_at":"2025-06-06T11:16:40Z","abstract_excerpt":"JPEG XL is a new image coding system offering state-of-the-art compression performance, lossless JPEG recompression, and advanced features. It aims to replace JPEG, PNG, GIF, and other formats with a single universal codec. This article provides an overview of JPEG XL, including its history, design rationale, coding tools, and future potential. It can be used as a companion document to the standard (ISO/IEC 18181), or as a standalone article to better understand JPEG XL, either at a high level or in considerable technical detail."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.05987","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/2506.05987/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":"2026-07-05T11:20:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p7vEGsvic+8vCzTN6mScShLJfXOzCA0V9Zew4ZwLvcI75or3m3JiT82aieggycQ3nrFGc+Dbe4707iUI+OFjBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T00:58:18.800786Z"},"content_sha256":"2a31f11f51b9e4437d907c0e8d28408eb495bfb66a97256b0450a413ad8f2d9a","schema_version":"1.0","event_id":"sha256:2a31f11f51b9e4437d907c0e8d28408eb495bfb66a97256b0450a413ad8f2d9a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NGUXIPR43QBH3SUCDXHNPIFJHJ/bundle.json","state_url":"https://pith.science/pith/NGUXIPR43QBH3SUCDXHNPIFJHJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NGUXIPR43QBH3SUCDXHNPIFJHJ/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":"2026-08-04T00:58:18Z","links":{"resolver":"https://pith.science/pith/NGUXIPR43QBH3SUCDXHNPIFJHJ","bundle":"https://pith.science/pith/NGUXIPR43QBH3SUCDXHNPIFJHJ/bundle.json","state":"https://pith.science/pith/NGUXIPR43QBH3SUCDXHNPIFJHJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NGUXIPR43QBH3SUCDXHNPIFJHJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:NGUXIPR43QBH3SUCDXHNPIFJHJ","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":"3b1f5de1df35bb538f5f24471dcfda6ef14855d956d7f4486a9ac0a2758590d8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.MM","submitted_at":"2025-06-06T11:16:40Z","title_canon_sha256":"d7348054499b1bd48907aceaa5968f9496ec06dd6891524095735527386b2d6b"},"schema_version":"1.0","source":{"id":"2506.05987","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.05987","created_at":"2026-07-05T11:20:55Z"},{"alias_kind":"arxiv_version","alias_value":"2506.05987v2","created_at":"2026-07-05T11:20:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.05987","created_at":"2026-07-05T11:20:55Z"},{"alias_kind":"pith_short_12","alias_value":"NGUXIPR43QBH","created_at":"2026-07-05T11:20:55Z"},{"alias_kind":"pith_short_16","alias_value":"NGUXIPR43QBH3SUC","created_at":"2026-07-05T11:20:55Z"},{"alias_kind":"pith_short_8","alias_value":"NGUXIPR4","created_at":"2026-07-05T11:20:55Z"}],"graph_snapshots":[{"event_id":"sha256:2a31f11f51b9e4437d907c0e8d28408eb495bfb66a97256b0450a413ad8f2d9a","target":"graph","created_at":"2026-07-05T11:20:55Z","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/2506.05987/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"JPEG XL is a new image coding system offering state-of-the-art compression performance, lossless JPEG recompression, and advanced features. It aims to replace JPEG, PNG, GIF, and other formats with a single universal codec. This article provides an overview of JPEG XL, including its history, design rationale, coding tools, and future potential. It can be used as a companion document to the standard (ISO/IEC 18181), or as a standalone article to better understand JPEG XL, either at a high level or in considerable technical detail.","authors_text":"Amnon Cohen-Tidhar, Eric Portis, Evgenii Kliuchnikov, Jon Sneyers, Jyrki Alakuijala, Luca Versari, Moritz Firsching, Osamu Watanabe, Sami Boukortt, Tal Lev-Ami, Thomas Richter, Zolt\\'an Szabadka","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.MM","submitted_at":"2025-06-06T11:16:40Z","title":"The JPEG XL Image Coding System: History, Features, Coding Tools, Design Rationale, and Future"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.05987","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:a8816657383cad29ce926c14f42aac13252878a684b036c210912e117c6096ca","target":"record","created_at":"2026-07-05T11:20:55Z","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":"3b1f5de1df35bb538f5f24471dcfda6ef14855d956d7f4486a9ac0a2758590d8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.MM","submitted_at":"2025-06-06T11:16:40Z","title_canon_sha256":"d7348054499b1bd48907aceaa5968f9496ec06dd6891524095735527386b2d6b"},"schema_version":"1.0","source":{"id":"2506.05987","kind":"arxiv","version":2}},"canonical_sha256":"69a9743e3cdc027dca821dced7a0a93a7bc1f50ce58d10a0557c625bd47caecc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"69a9743e3cdc027dca821dced7a0a93a7bc1f50ce58d10a0557c625bd47caecc","first_computed_at":"2026-07-05T11:20:55.247587Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:20:55.247587Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OqtDx5OxyAA5n/kCXY5fzkIng7pxwSGK5Nmllwk5Eu+Ni10L0QUdtQjD6FdN7loKCSwGGEYONC1Vew1vrDZzBA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:20:55.248055Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.05987","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a8816657383cad29ce926c14f42aac13252878a684b036c210912e117c6096ca","sha256:2a31f11f51b9e4437d907c0e8d28408eb495bfb66a97256b0450a413ad8f2d9a"],"state_sha256":"d98197335087e37695a836b45deace9eb00461a965148cb296dce13546a990bd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KL+UbjMXq6MShV5M6k1kLhqjIHXtcZvXqFdZf1fcPh6M8etfqWSMNp4yZc3Gg1VJEZmvgm3lLskZCcPeCiDiCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T00:58:18.804434Z","bundle_sha256":"c0c5b3485a6d2830e753dee6f45276190538d6a2d7dde54b48bc2261b659ab40"}}