{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:FQYXFGDYVBIX7SA4GNF5SHXTK7","short_pith_number":"pith:FQYXFGDY","canonical_record":{"source":{"id":"2502.03580","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2025-02-05T19:58:42Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"6e0fee4fb78fa7eeae0c15162a8bf2f8cadf82d423192a2a5fb2a9dd6aa52907","abstract_canon_sha256":"2b896d22de6eff60f496164567dc12bba365cc75b708a70f6b8f4b7503d080b9"},"schema_version":"1.0"},"canonical_sha256":"2c31729878a8517fc81c334bd91ef357d0925300159f682486779a25618f8ab7","source":{"kind":"arxiv","id":"2502.03580","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.03580","created_at":"2026-07-05T10:10:49Z"},{"alias_kind":"arxiv_version","alias_value":"2502.03580v1","created_at":"2026-07-05T10:10:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.03580","created_at":"2026-07-05T10:10:49Z"},{"alias_kind":"pith_short_12","alias_value":"FQYXFGDYVBIX","created_at":"2026-07-05T10:10:49Z"},{"alias_kind":"pith_short_16","alias_value":"FQYXFGDYVBIX7SA4","created_at":"2026-07-05T10:10:49Z"},{"alias_kind":"pith_short_8","alias_value":"FQYXFGDY","created_at":"2026-07-05T10:10:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:FQYXFGDYVBIX7SA4GNF5SHXTK7","target":"record","payload":{"canonical_record":{"source":{"id":"2502.03580","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2025-02-05T19:58:42Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"6e0fee4fb78fa7eeae0c15162a8bf2f8cadf82d423192a2a5fb2a9dd6aa52907","abstract_canon_sha256":"2b896d22de6eff60f496164567dc12bba365cc75b708a70f6b8f4b7503d080b9"},"schema_version":"1.0"},"canonical_sha256":"2c31729878a8517fc81c334bd91ef357d0925300159f682486779a25618f8ab7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:10:49.367383Z","signature_b64":"T3npx1fJ3c2mr31FFv9gc9Ra9ujKKypyRcvl0b5UZqd1BPHyXzBFvy4ZyXSQqY38CTWhXFLpS8OoKQrBr54uDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2c31729878a8517fc81c334bd91ef357d0925300159f682486779a25618f8ab7","last_reissued_at":"2026-07-05T10:10:49.366935Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:10:49.366935Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.03580","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":"2026-07-05T10:10:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oRr9SlNaPE1ZbNhJ/vnXk5oLV/Kdc9iadvcusrNjXs9KNI0OHSxRDof3pmiMaHFsTqnHybeInW1bkkRsU3+0CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T16:59:38.342308Z"},"content_sha256":"c4b80f937d1e1750607edfda72ffb1311990e63b9bffa1915ef76584493c8475","schema_version":"1.0","event_id":"sha256:c4b80f937d1e1750607edfda72ffb1311990e63b9bffa1915ef76584493c8475"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:FQYXFGDYVBIX7SA4GNF5SHXTK7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Retina electronic paper with video-rate-tunable 45000 pixels per inch","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cs.HC","authors_text":"Ade Satria Saloka Santosa, Andreas B. Dahlin, Giovanni Volpe, Kunli Xiong, Lars Osterlund, Yu-Wei Chang","submitted_at":"2025-02-05T19:58:42Z","abstract_excerpt":"As demand for immersive experiences grows, displays are moving closer to the eye with smaller sizes and higher resolutions. However, shrinking pixel emitters reduce intensity, making them harder to perceive. Electronic Papers utilize ambient light for visibility, maintaining optical contrast regardless of pixel size, but cannot achieve high resolution. We show electrically tunable meta-pixels down to ~560 nm in size (>45,000 PPI) consisting of WO3 nanodiscs, allowing one-to-one pixel-photodetector mapping on the retina when the display size matches the pupil diameter, which we call Retina Elec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.03580","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/2502.03580/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":"2026-07-05T10:10:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Db6tRyQLCKOPWQCyXovkdeOiQvks4jdxJ5QhemlrtIo9qqySIhSE/wb/MyL1HCVbYDcwWpBx5prxnS/cY8KOBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T16:59:38.342685Z"},"content_sha256":"bbc34d4f9da61a229b2d8c3eb6430eb782f2a4394cca11a95e27557c4b0880d5","schema_version":"1.0","event_id":"sha256:bbc34d4f9da61a229b2d8c3eb6430eb782f2a4394cca11a95e27557c4b0880d5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FQYXFGDYVBIX7SA4GNF5SHXTK7/bundle.json","state_url":"https://pith.science/pith/FQYXFGDYVBIX7SA4GNF5SHXTK7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FQYXFGDYVBIX7SA4GNF5SHXTK7/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":"2026-07-12T16:59:38Z","links":{"resolver":"https://pith.science/pith/FQYXFGDYVBIX7SA4GNF5SHXTK7","bundle":"https://pith.science/pith/FQYXFGDYVBIX7SA4GNF5SHXTK7/bundle.json","state":"https://pith.science/pith/FQYXFGDYVBIX7SA4GNF5SHXTK7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FQYXFGDYVBIX7SA4GNF5SHXTK7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:FQYXFGDYVBIX7SA4GNF5SHXTK7","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":"2b896d22de6eff60f496164567dc12bba365cc75b708a70f6b8f4b7503d080b9","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2025-02-05T19:58:42Z","title_canon_sha256":"6e0fee4fb78fa7eeae0c15162a8bf2f8cadf82d423192a2a5fb2a9dd6aa52907"},"schema_version":"1.0","source":{"id":"2502.03580","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.03580","created_at":"2026-07-05T10:10:49Z"},{"alias_kind":"arxiv_version","alias_value":"2502.03580v1","created_at":"2026-07-05T10:10:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.03580","created_at":"2026-07-05T10:10:49Z"},{"alias_kind":"pith_short_12","alias_value":"FQYXFGDYVBIX","created_at":"2026-07-05T10:10:49Z"},{"alias_kind":"pith_short_16","alias_value":"FQYXFGDYVBIX7SA4","created_at":"2026-07-05T10:10:49Z"},{"alias_kind":"pith_short_8","alias_value":"FQYXFGDY","created_at":"2026-07-05T10:10:49Z"}],"graph_snapshots":[{"event_id":"sha256:bbc34d4f9da61a229b2d8c3eb6430eb782f2a4394cca11a95e27557c4b0880d5","target":"graph","created_at":"2026-07-05T10:10:49Z","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/2502.03580/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"As demand for immersive experiences grows, displays are moving closer to the eye with smaller sizes and higher resolutions. However, shrinking pixel emitters reduce intensity, making them harder to perceive. Electronic Papers utilize ambient light for visibility, maintaining optical contrast regardless of pixel size, but cannot achieve high resolution. We show electrically tunable meta-pixels down to ~560 nm in size (>45,000 PPI) consisting of WO3 nanodiscs, allowing one-to-one pixel-photodetector mapping on the retina when the display size matches the pupil diameter, which we call Retina Elec","authors_text":"Ade Satria Saloka Santosa, Andreas B. Dahlin, Giovanni Volpe, Kunli Xiong, Lars Osterlund, Yu-Wei Chang","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2025-02-05T19:58:42Z","title":"Retina electronic paper with video-rate-tunable 45000 pixels per inch"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.03580","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:c4b80f937d1e1750607edfda72ffb1311990e63b9bffa1915ef76584493c8475","target":"record","created_at":"2026-07-05T10:10:49Z","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":"2b896d22de6eff60f496164567dc12bba365cc75b708a70f6b8f4b7503d080b9","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2025-02-05T19:58:42Z","title_canon_sha256":"6e0fee4fb78fa7eeae0c15162a8bf2f8cadf82d423192a2a5fb2a9dd6aa52907"},"schema_version":"1.0","source":{"id":"2502.03580","kind":"arxiv","version":1}},"canonical_sha256":"2c31729878a8517fc81c334bd91ef357d0925300159f682486779a25618f8ab7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2c31729878a8517fc81c334bd91ef357d0925300159f682486779a25618f8ab7","first_computed_at":"2026-07-05T10:10:49.366935Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:10:49.366935Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"T3npx1fJ3c2mr31FFv9gc9Ra9ujKKypyRcvl0b5UZqd1BPHyXzBFvy4ZyXSQqY38CTWhXFLpS8OoKQrBr54uDg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:10:49.367383Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.03580","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c4b80f937d1e1750607edfda72ffb1311990e63b9bffa1915ef76584493c8475","sha256:bbc34d4f9da61a229b2d8c3eb6430eb782f2a4394cca11a95e27557c4b0880d5"],"state_sha256":"52819c498c48ed0e111f9d752620bde500b382971718047bb2dd585318b4dd4b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QFTfyaFv71T8xJwltDPBMv9bzee5gpnQvERep9C2/1m0kLilteXB7wOshr40BUQeYxykQ309C9luztqIH6aXAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-12T16:59:38.344736Z","bundle_sha256":"30b23a144a3860b7b883e8a2fc364e71a01482395fc611b9dfe76ee4a4b91ec6"}}