{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:2A7JIW7KTAACBBKAPMDZPPL5TY","short_pith_number":"pith:2A7JIW7K","canonical_record":{"source":{"id":"2605.19865","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-19T13:57:35Z","cross_cats_sorted":[],"title_canon_sha256":"38c2ad60689d247b272c6c87f1be174d3058161ab8592bb5bcb87c4cf07f2569","abstract_canon_sha256":"fa97609ecb31b775ec419e4b9b93b2824d8af35ba4ec187a99125606821cdc74"},"schema_version":"1.0"},"canonical_sha256":"d03e945bea98002085407b0797bd7d9e1829a657262fd25f6d1ab595719dc05e","source":{"kind":"arxiv","id":"2605.19865","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.19865","created_at":"2026-05-20T01:06:18Z"},{"alias_kind":"arxiv_version","alias_value":"2605.19865v1","created_at":"2026-05-20T01:06:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.19865","created_at":"2026-05-20T01:06:18Z"},{"alias_kind":"pith_short_12","alias_value":"2A7JIW7KTAAC","created_at":"2026-05-20T01:06:18Z"},{"alias_kind":"pith_short_16","alias_value":"2A7JIW7KTAACBBKA","created_at":"2026-05-20T01:06:18Z"},{"alias_kind":"pith_short_8","alias_value":"2A7JIW7K","created_at":"2026-05-20T01:06:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:2A7JIW7KTAACBBKAPMDZPPL5TY","target":"record","payload":{"canonical_record":{"source":{"id":"2605.19865","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-19T13:57:35Z","cross_cats_sorted":[],"title_canon_sha256":"38c2ad60689d247b272c6c87f1be174d3058161ab8592bb5bcb87c4cf07f2569","abstract_canon_sha256":"fa97609ecb31b775ec419e4b9b93b2824d8af35ba4ec187a99125606821cdc74"},"schema_version":"1.0"},"canonical_sha256":"d03e945bea98002085407b0797bd7d9e1829a657262fd25f6d1ab595719dc05e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T01:06:18.200084Z","signature_b64":"hywssPfQNuXSF93bQbjDdAAmclo3OhkaKEcMUoJDQOnhrugiIJ+pDKNJhhxJBeVfcXdzXZL670R1XsSv08fwAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d03e945bea98002085407b0797bd7d9e1829a657262fd25f6d1ab595719dc05e","last_reissued_at":"2026-05-20T01:06:18.199367Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T01:06:18.199367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.19865","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":"2026-05-20T01:06:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qemBBqUInlPmQzC0jpk7qFQNuzRTvnsUfH8fC+t0IWe4mYLgIG8FLC5dJsHPePP1EzHidxlclVVh2qrnprQsBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T03:37:14.354510Z"},"content_sha256":"c6ec688296dcf78c906cd80dffad0d798a365ba116236b525bb3650ed027e206","schema_version":"1.0","event_id":"sha256:c6ec688296dcf78c906cd80dffad0d798a365ba116236b525bb3650ed027e206"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:2A7JIW7KTAACBBKAPMDZPPL5TY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Landscape-Awareness for Geometric View Diffusion Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chun-Yi Lee, Hao-Wei Chen, Tsu-Ching Hsiao, Yan-Ting Chen","submitted_at":"2026-05-19T13:57:35Z","abstract_excerpt":"Accurate camera viewpoint estimation under sparse-view conditions remains challenging, particularly in two-view scenarios. Recent approaches leverage diffusion models such as Zero123 to synthesize novel views conditioned on relative viewpoint, showing promising results when repurposed for viewpoint estimation via optimization with MSE loss. However, existing methods often suffer from nonconvex loss landscape with numerous local minima, making them sensitive to initialization and reliant on naive multistart strategies. We analyze these optimization challenges and visualize failure cases, showin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.19865","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/2605.19865/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":"2026-05-20T01:06:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xRycMpVfvpTePd9lju3gGvSILliPwZNzQUq2Eb5DrhlPMTmoTvPI2huMayATxeB42/ZiZPZx2nojwIACQzu7Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T03:37:14.355222Z"},"content_sha256":"7013a77025fa65a8a3ca889ed4c533536115e6cefceada524fa1530b01a395a6","schema_version":"1.0","event_id":"sha256:7013a77025fa65a8a3ca889ed4c533536115e6cefceada524fa1530b01a395a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2A7JIW7KTAACBBKAPMDZPPL5TY/bundle.json","state_url":"https://pith.science/pith/2A7JIW7KTAACBBKAPMDZPPL5TY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2A7JIW7KTAACBBKAPMDZPPL5TY/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":"2026-05-22T03:37:14Z","links":{"resolver":"https://pith.science/pith/2A7JIW7KTAACBBKAPMDZPPL5TY","bundle":"https://pith.science/pith/2A7JIW7KTAACBBKAPMDZPPL5TY/bundle.json","state":"https://pith.science/pith/2A7JIW7KTAACBBKAPMDZPPL5TY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2A7JIW7KTAACBBKAPMDZPPL5TY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:2A7JIW7KTAACBBKAPMDZPPL5TY","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":"fa97609ecb31b775ec419e4b9b93b2824d8af35ba4ec187a99125606821cdc74","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-19T13:57:35Z","title_canon_sha256":"38c2ad60689d247b272c6c87f1be174d3058161ab8592bb5bcb87c4cf07f2569"},"schema_version":"1.0","source":{"id":"2605.19865","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.19865","created_at":"2026-05-20T01:06:18Z"},{"alias_kind":"arxiv_version","alias_value":"2605.19865v1","created_at":"2026-05-20T01:06:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.19865","created_at":"2026-05-20T01:06:18Z"},{"alias_kind":"pith_short_12","alias_value":"2A7JIW7KTAAC","created_at":"2026-05-20T01:06:18Z"},{"alias_kind":"pith_short_16","alias_value":"2A7JIW7KTAACBBKA","created_at":"2026-05-20T01:06:18Z"},{"alias_kind":"pith_short_8","alias_value":"2A7JIW7K","created_at":"2026-05-20T01:06:18Z"}],"graph_snapshots":[{"event_id":"sha256:7013a77025fa65a8a3ca889ed4c533536115e6cefceada524fa1530b01a395a6","target":"graph","created_at":"2026-05-20T01:06:18Z","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/2605.19865/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Accurate camera viewpoint estimation under sparse-view conditions remains challenging, particularly in two-view scenarios. Recent approaches leverage diffusion models such as Zero123 to synthesize novel views conditioned on relative viewpoint, showing promising results when repurposed for viewpoint estimation via optimization with MSE loss. However, existing methods often suffer from nonconvex loss landscape with numerous local minima, making them sensitive to initialization and reliant on naive multistart strategies. We analyze these optimization challenges and visualize failure cases, showin","authors_text":"Chun-Yi Lee, Hao-Wei Chen, Tsu-Ching Hsiao, Yan-Ting Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-19T13:57:35Z","title":"Landscape-Awareness for Geometric View Diffusion Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.19865","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:c6ec688296dcf78c906cd80dffad0d798a365ba116236b525bb3650ed027e206","target":"record","created_at":"2026-05-20T01:06:18Z","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":"fa97609ecb31b775ec419e4b9b93b2824d8af35ba4ec187a99125606821cdc74","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-19T13:57:35Z","title_canon_sha256":"38c2ad60689d247b272c6c87f1be174d3058161ab8592bb5bcb87c4cf07f2569"},"schema_version":"1.0","source":{"id":"2605.19865","kind":"arxiv","version":1}},"canonical_sha256":"d03e945bea98002085407b0797bd7d9e1829a657262fd25f6d1ab595719dc05e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d03e945bea98002085407b0797bd7d9e1829a657262fd25f6d1ab595719dc05e","first_computed_at":"2026-05-20T01:06:18.199367Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T01:06:18.199367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hywssPfQNuXSF93bQbjDdAAmclo3OhkaKEcMUoJDQOnhrugiIJ+pDKNJhhxJBeVfcXdzXZL670R1XsSv08fwAw==","signature_status":"signed_v1","signed_at":"2026-05-20T01:06:18.200084Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.19865","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c6ec688296dcf78c906cd80dffad0d798a365ba116236b525bb3650ed027e206","sha256:7013a77025fa65a8a3ca889ed4c533536115e6cefceada524fa1530b01a395a6"],"state_sha256":"5f84bbe572f36a70242909ebffce09e84f946b3f94389736acd15fa29baf1d9f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U4zq2t0o/0DLHX2vaFkCWCJ6skKDXJX2s1NEJ96kx2YCjE8zFhYSCGhAdrjkfQ+XmAAZCovtATI6TZmZNMBUBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T03:37:14.358723Z","bundle_sha256":"86b20bc090d58832304a09c61fc5d7128114775debd3c51c3725ba2d781b5ede"}}