{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:ZXGSKJBC5O4GGQJTSBBZLN7U2E","short_pith_number":"pith:ZXGSKJBC","canonical_record":{"source":{"id":"2507.04118","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-05T17:56:45Z","cross_cats_sorted":[],"title_canon_sha256":"d010596452e09f66a6d3f70ddfbd3cc0aeffbba345357ba0f494c69304e2b785","abstract_canon_sha256":"d90fcc6d2b478556df1de01735a4dc238ee3941fe8692739288660a6c6dbf27f"},"schema_version":"1.0"},"canonical_sha256":"cdcd252422ebb8634133904395b7f4d105d6b0cebe4fd43d3ea34dbdb24756fc","source":{"kind":"arxiv","id":"2507.04118","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.04118","created_at":"2026-07-05T11:32:42Z"},{"alias_kind":"arxiv_version","alias_value":"2507.04118v1","created_at":"2026-07-05T11:32:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.04118","created_at":"2026-07-05T11:32:42Z"},{"alias_kind":"pith_short_12","alias_value":"ZXGSKJBC5O4G","created_at":"2026-07-05T11:32:42Z"},{"alias_kind":"pith_short_16","alias_value":"ZXGSKJBC5O4GGQJT","created_at":"2026-07-05T11:32:42Z"},{"alias_kind":"pith_short_8","alias_value":"ZXGSKJBC","created_at":"2026-07-05T11:32:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:ZXGSKJBC5O4GGQJTSBBZLN7U2E","target":"record","payload":{"canonical_record":{"source":{"id":"2507.04118","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-05T17:56:45Z","cross_cats_sorted":[],"title_canon_sha256":"d010596452e09f66a6d3f70ddfbd3cc0aeffbba345357ba0f494c69304e2b785","abstract_canon_sha256":"d90fcc6d2b478556df1de01735a4dc238ee3941fe8692739288660a6c6dbf27f"},"schema_version":"1.0"},"canonical_sha256":"cdcd252422ebb8634133904395b7f4d105d6b0cebe4fd43d3ea34dbdb24756fc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:32:42.272959Z","signature_b64":"jMqVAYrIdWxZliFOO584C6+Pql7yfaakguoovaTelwssvxyaTx7G8J32w5prJZ2F1z/HGs1/dGbJ98NXnUYRDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cdcd252422ebb8634133904395b7f4d105d6b0cebe4fd43d3ea34dbdb24756fc","last_reissued_at":"2026-07-05T11:32:42.272483Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:32:42.272483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.04118","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:32:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8yxlXH4KpUgAb15JMdzz+N8veMq6L1gioUs2mHzY4zgoPBooZGk0SNiGQ8Xs9WgOHnxk5aAADAFAEHkjzhRFBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T13:28:08.867311Z"},"content_sha256":"6f76536b586e97b79d36ab86af49cad1ada0825da2dbfee5a7e934ff90f844b7","schema_version":"1.0","event_id":"sha256:6f76536b586e97b79d36ab86af49cad1ada0825da2dbfee5a7e934ff90f844b7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:ZXGSKJBC5O4GGQJTSBBZLN7U2E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PromptSR: Cascade Prompting for Lightweight Image Super-Resolution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chen Cai, Jianjun Gao, Kejun Wu, Kim-Hui Yap, Lap-Pui Chau, Wenyang Liu, Yi Wang","submitted_at":"2025-07-05T17:56:45Z","abstract_excerpt":"Although the lightweight Vision Transformer has significantly advanced image super-resolution (SR), it faces the inherent challenge of a limited receptive field due to the window-based self-attention modeling. The quadratic computational complexity relative to window size restricts its ability to use a large window size for expanding the receptive field while maintaining low computational costs. To address this challenge, we propose PromptSR, a novel prompt-empowered lightweight image SR method. The core component is the proposed cascade prompting block (CPB), which enhances global information"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.04118","kind":"arxiv","version":1},"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/2507.04118/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":"2026-07-05T11:32:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hEwe2rVL4hVbSbzyaDKxfvyrw2bjOHnAR8mr1X3N3ECD58yp1Pye9OjoCR6IIw2/P5ZOwZsnn6/Fp2CVSgpRCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T13:28:08.867608Z"},"content_sha256":"57565a21012ac41b0208102b812bb89bbe8b93e84839a6ed5ba26818600a7b86","schema_version":"1.0","event_id":"sha256:57565a21012ac41b0208102b812bb89bbe8b93e84839a6ed5ba26818600a7b86"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZXGSKJBC5O4GGQJTSBBZLN7U2E/bundle.json","state_url":"https://pith.science/pith/ZXGSKJBC5O4GGQJTSBBZLN7U2E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZXGSKJBC5O4GGQJTSBBZLN7U2E/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":"2026-07-31T13:28:08Z","links":{"resolver":"https://pith.science/pith/ZXGSKJBC5O4GGQJTSBBZLN7U2E","bundle":"https://pith.science/pith/ZXGSKJBC5O4GGQJTSBBZLN7U2E/bundle.json","state":"https://pith.science/pith/ZXGSKJBC5O4GGQJTSBBZLN7U2E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZXGSKJBC5O4GGQJTSBBZLN7U2E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:ZXGSKJBC5O4GGQJTSBBZLN7U2E","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":"d90fcc6d2b478556df1de01735a4dc238ee3941fe8692739288660a6c6dbf27f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-05T17:56:45Z","title_canon_sha256":"d010596452e09f66a6d3f70ddfbd3cc0aeffbba345357ba0f494c69304e2b785"},"schema_version":"1.0","source":{"id":"2507.04118","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.04118","created_at":"2026-07-05T11:32:42Z"},{"alias_kind":"arxiv_version","alias_value":"2507.04118v1","created_at":"2026-07-05T11:32:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.04118","created_at":"2026-07-05T11:32:42Z"},{"alias_kind":"pith_short_12","alias_value":"ZXGSKJBC5O4G","created_at":"2026-07-05T11:32:42Z"},{"alias_kind":"pith_short_16","alias_value":"ZXGSKJBC5O4GGQJT","created_at":"2026-07-05T11:32:42Z"},{"alias_kind":"pith_short_8","alias_value":"ZXGSKJBC","created_at":"2026-07-05T11:32:42Z"}],"graph_snapshots":[{"event_id":"sha256:57565a21012ac41b0208102b812bb89bbe8b93e84839a6ed5ba26818600a7b86","target":"graph","created_at":"2026-07-05T11:32:42Z","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/2507.04118/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Although the lightweight Vision Transformer has significantly advanced image super-resolution (SR), it faces the inherent challenge of a limited receptive field due to the window-based self-attention modeling. The quadratic computational complexity relative to window size restricts its ability to use a large window size for expanding the receptive field while maintaining low computational costs. To address this challenge, we propose PromptSR, a novel prompt-empowered lightweight image SR method. The core component is the proposed cascade prompting block (CPB), which enhances global information","authors_text":"Chen Cai, Jianjun Gao, Kejun Wu, Kim-Hui Yap, Lap-Pui Chau, Wenyang Liu, Yi Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-05T17:56:45Z","title":"PromptSR: Cascade Prompting for Lightweight Image Super-Resolution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.04118","kind":"arxiv","version":1},"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":"sha256:6f76536b586e97b79d36ab86af49cad1ada0825da2dbfee5a7e934ff90f844b7","target":"record","created_at":"2026-07-05T11:32:42Z","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":"d90fcc6d2b478556df1de01735a4dc238ee3941fe8692739288660a6c6dbf27f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-05T17:56:45Z","title_canon_sha256":"d010596452e09f66a6d3f70ddfbd3cc0aeffbba345357ba0f494c69304e2b785"},"schema_version":"1.0","source":{"id":"2507.04118","kind":"arxiv","version":1}},"canonical_sha256":"cdcd252422ebb8634133904395b7f4d105d6b0cebe4fd43d3ea34dbdb24756fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cdcd252422ebb8634133904395b7f4d105d6b0cebe4fd43d3ea34dbdb24756fc","first_computed_at":"2026-07-05T11:32:42.272483Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:32:42.272483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jMqVAYrIdWxZliFOO584C6+Pql7yfaakguoovaTelwssvxyaTx7G8J32w5prJZ2F1z/HGs1/dGbJ98NXnUYRDg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:32:42.272959Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.04118","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6f76536b586e97b79d36ab86af49cad1ada0825da2dbfee5a7e934ff90f844b7","sha256:57565a21012ac41b0208102b812bb89bbe8b93e84839a6ed5ba26818600a7b86"],"state_sha256":"61aef0f18cab5d22954ffbf90b0f2e1bb1bf728b7b95979c43be91e188bb33f5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TRrjAWRrU9HgNBPowLTlJXsrJ36J5F+amX8S5megOtuh5WISW5p2KXnMNohIJIUYWorQqPUvrb7XOMKztnXeAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T13:28:08.871294Z","bundle_sha256":"ea32dc271a78adb51ff7cf271b8b1a99cb86e8392e2656ba7d80fc3bf50b5770"}}