{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:M2EL6VLMWAS7B44G5NCZYF75SN","short_pith_number":"pith:M2EL6VLM","canonical_record":{"source":{"id":"2404.18820","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2024-04-29T16:02:38Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"4986ab6938308d850850ee2ff2df36022597117009910207e6e6b3bf37afed0c","abstract_canon_sha256":"597193d245e49b42bcf95093ec895bc173ea053fcd7d1fd642dcf2c4159be4a1"},"schema_version":"1.0"},"canonical_sha256":"6688bf556cb025f0f386eb459c17fd937268b1369d042b5ed3f240f4075631ce","source":{"kind":"arxiv","id":"2404.18820","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.18820","created_at":"2026-07-05T09:02:58Z"},{"alias_kind":"arxiv_version","alias_value":"2404.18820v4","created_at":"2026-07-05T09:02:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.18820","created_at":"2026-07-05T09:02:58Z"},{"alias_kind":"pith_short_12","alias_value":"M2EL6VLMWAS7","created_at":"2026-07-05T09:02:58Z"},{"alias_kind":"pith_short_16","alias_value":"M2EL6VLMWAS7B44G","created_at":"2026-07-05T09:02:58Z"},{"alias_kind":"pith_short_8","alias_value":"M2EL6VLM","created_at":"2026-07-05T09:02:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:M2EL6VLMWAS7B44G5NCZYF75SN","target":"record","payload":{"canonical_record":{"source":{"id":"2404.18820","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2024-04-29T16:02:38Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"4986ab6938308d850850ee2ff2df36022597117009910207e6e6b3bf37afed0c","abstract_canon_sha256":"597193d245e49b42bcf95093ec895bc173ea053fcd7d1fd642dcf2c4159be4a1"},"schema_version":"1.0"},"canonical_sha256":"6688bf556cb025f0f386eb459c17fd937268b1369d042b5ed3f240f4075631ce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:02:58.059280Z","signature_b64":"O8rX1Y6lXU6n+3umryYiQ181lXkO/Z/5lvRCGlaD5aSooPGyTxYoxxWMujFnFO76+JPdC2czPixZwJPUmHnZBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6688bf556cb025f0f386eb459c17fd937268b1369d042b5ed3f240f4075631ce","last_reissued_at":"2026-07-05T09:02:58.058796Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:02:58.058796Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.18820","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:02:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4ZWWZ4zSzdOsh2+v7zNmHQEHaBDdPOZSA3ikMWRx/uaXbevAZmWJzjV743GX/+MJagdA0QnT9EHeWGWT2wgMCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T23:45:22.074573Z"},"content_sha256":"a3336ac0f5c0149614f5ed4262409738b1389f5a76b060818a301808f8562aa4","schema_version":"1.0","event_id":"sha256:a3336ac0f5c0149614f5ed4262409738b1389f5a76b060818a301808f8562aa4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:M2EL6VLMWAS7B44G5NCZYF75SN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards Extreme Image Compression with Latent Feature Guidance and Diffusion Prior","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"eess.IV","authors_text":"Chenyang Ge, Hao Wei, Jingwen Jiang, Yanhui Zhou, Zhiyuan Li","submitted_at":"2024-04-29T16:02:38Z","abstract_excerpt":"Image compression at extremely low bitrates (below 0.1 bits per pixel (bpp)) is a significant challenge due to substantial information loss. In this work, we propose a novel two-stage extreme image compression framework that exploits the powerful generative capability of pre-trained diffusion models to achieve realistic image reconstruction at extremely low bitrates. In the first stage, we treat the latent representation of images in the diffusion space as guidance, employing a VAE-based compression approach to compress images and initially decode the compressed information into content variab"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.18820","kind":"arxiv","version":4},"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/2404.18820/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":"2026-07-05T09:02:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L5z9bR41CVO1AfcyZQ/q97ojgSIuJwaMJMP6gOJFp5Sc/vbEeRW9rEZWKlgiHP07eeJi5P64K2TFNM/1pB9uCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T23:45:22.075134Z"},"content_sha256":"a9125f518ea90778b6011a3583b4e93e23effc98a5458350782dfa44bb382571","schema_version":"1.0","event_id":"sha256:a9125f518ea90778b6011a3583b4e93e23effc98a5458350782dfa44bb382571"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M2EL6VLMWAS7B44G5NCZYF75SN/bundle.json","state_url":"https://pith.science/pith/M2EL6VLMWAS7B44G5NCZYF75SN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M2EL6VLMWAS7B44G5NCZYF75SN/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":"2026-08-10T23:45:22Z","links":{"resolver":"https://pith.science/pith/M2EL6VLMWAS7B44G5NCZYF75SN","bundle":"https://pith.science/pith/M2EL6VLMWAS7B44G5NCZYF75SN/bundle.json","state":"https://pith.science/pith/M2EL6VLMWAS7B44G5NCZYF75SN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M2EL6VLMWAS7B44G5NCZYF75SN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:M2EL6VLMWAS7B44G5NCZYF75SN","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":"597193d245e49b42bcf95093ec895bc173ea053fcd7d1fd642dcf2c4159be4a1","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2024-04-29T16:02:38Z","title_canon_sha256":"4986ab6938308d850850ee2ff2df36022597117009910207e6e6b3bf37afed0c"},"schema_version":"1.0","source":{"id":"2404.18820","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.18820","created_at":"2026-07-05T09:02:58Z"},{"alias_kind":"arxiv_version","alias_value":"2404.18820v4","created_at":"2026-07-05T09:02:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.18820","created_at":"2026-07-05T09:02:58Z"},{"alias_kind":"pith_short_12","alias_value":"M2EL6VLMWAS7","created_at":"2026-07-05T09:02:58Z"},{"alias_kind":"pith_short_16","alias_value":"M2EL6VLMWAS7B44G","created_at":"2026-07-05T09:02:58Z"},{"alias_kind":"pith_short_8","alias_value":"M2EL6VLM","created_at":"2026-07-05T09:02:58Z"}],"graph_snapshots":[{"event_id":"sha256:a9125f518ea90778b6011a3583b4e93e23effc98a5458350782dfa44bb382571","target":"graph","created_at":"2026-07-05T09:02:58Z","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/2404.18820/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Image compression at extremely low bitrates (below 0.1 bits per pixel (bpp)) is a significant challenge due to substantial information loss. In this work, we propose a novel two-stage extreme image compression framework that exploits the powerful generative capability of pre-trained diffusion models to achieve realistic image reconstruction at extremely low bitrates. In the first stage, we treat the latent representation of images in the diffusion space as guidance, employing a VAE-based compression approach to compress images and initially decode the compressed information into content variab","authors_text":"Chenyang Ge, Hao Wei, Jingwen Jiang, Yanhui Zhou, Zhiyuan Li","cross_cats":["cs.CV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2024-04-29T16:02:38Z","title":"Towards Extreme Image Compression with Latent Feature Guidance and Diffusion Prior"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.18820","kind":"arxiv","version":4},"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:a3336ac0f5c0149614f5ed4262409738b1389f5a76b060818a301808f8562aa4","target":"record","created_at":"2026-07-05T09:02:58Z","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":"597193d245e49b42bcf95093ec895bc173ea053fcd7d1fd642dcf2c4159be4a1","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2024-04-29T16:02:38Z","title_canon_sha256":"4986ab6938308d850850ee2ff2df36022597117009910207e6e6b3bf37afed0c"},"schema_version":"1.0","source":{"id":"2404.18820","kind":"arxiv","version":4}},"canonical_sha256":"6688bf556cb025f0f386eb459c17fd937268b1369d042b5ed3f240f4075631ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6688bf556cb025f0f386eb459c17fd937268b1369d042b5ed3f240f4075631ce","first_computed_at":"2026-07-05T09:02:58.058796Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:02:58.058796Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O8rX1Y6lXU6n+3umryYiQ181lXkO/Z/5lvRCGlaD5aSooPGyTxYoxxWMujFnFO76+JPdC2czPixZwJPUmHnZBw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:02:58.059280Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.18820","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3336ac0f5c0149614f5ed4262409738b1389f5a76b060818a301808f8562aa4","sha256:a9125f518ea90778b6011a3583b4e93e23effc98a5458350782dfa44bb382571"],"state_sha256":"e4d9dcd6a568e3f12b02d8d5244e1987396654ab77d7749adeafb973c711b9ad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dldtHUzsqHSYbdmIFXmEa9n8+sdpE/i8IG4p8kgdXjYYjiGIWgLw6VQmqaSIX6kRmaIqGsh1qDNgaAOZbWVTAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T23:45:22.078809Z","bundle_sha256":"435f492b62b2332bd0aa81823fca74ca3ec7d6bdf94a0ec3b168cf24835143b0"}}