{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:2IVYIAOC4XACTOQTT4FFAT46N7","short_pith_number":"pith:2IVYIAOC","canonical_record":{"source":{"id":"2502.18230","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-02-25T14:13:17Z","cross_cats_sorted":[],"title_canon_sha256":"4166b43b3a6766b78b07ebe504b3cb3e4d6ee2a453d001714b61e8fee4ad1d34","abstract_canon_sha256":"3852bb062bdda3de403742cf3a28a0f92a038347d37011c164533ce775b7910d"},"schema_version":"1.0"},"canonical_sha256":"d22b8401c2e5c029ba139f0a504f9e6fdcb1af7585f88aef2440e0c9a646ffd0","source":{"kind":"arxiv","id":"2502.18230","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.18230","created_at":"2026-07-05T10:19:50Z"},{"alias_kind":"arxiv_version","alias_value":"2502.18230v1","created_at":"2026-07-05T10:19:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.18230","created_at":"2026-07-05T10:19:50Z"},{"alias_kind":"pith_short_12","alias_value":"2IVYIAOC4XAC","created_at":"2026-07-05T10:19:50Z"},{"alias_kind":"pith_short_16","alias_value":"2IVYIAOC4XACTOQT","created_at":"2026-07-05T10:19:50Z"},{"alias_kind":"pith_short_8","alias_value":"2IVYIAOC","created_at":"2026-07-05T10:19:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:2IVYIAOC4XACTOQTT4FFAT46N7","target":"record","payload":{"canonical_record":{"source":{"id":"2502.18230","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-02-25T14:13:17Z","cross_cats_sorted":[],"title_canon_sha256":"4166b43b3a6766b78b07ebe504b3cb3e4d6ee2a453d001714b61e8fee4ad1d34","abstract_canon_sha256":"3852bb062bdda3de403742cf3a28a0f92a038347d37011c164533ce775b7910d"},"schema_version":"1.0"},"canonical_sha256":"d22b8401c2e5c029ba139f0a504f9e6fdcb1af7585f88aef2440e0c9a646ffd0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:19:50.829229Z","signature_b64":"SAhioZ2BuRXsd/SOhU7LQbEC4KlEbWpfxhfR0X2i1hLavF0605nqk5LiZ5NwhcPk95n8JZQIEaP+J6trR10QAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d22b8401c2e5c029ba139f0a504f9e6fdcb1af7585f88aef2440e0c9a646ffd0","last_reissued_at":"2026-07-05T10:19:50.828804Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:19:50.828804Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.18230","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":"2026-07-05T10:19:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PGmxv9g4FfF7ZmYnwhYuncbj2+JKoDJtntmkmXDp9zJWYFLq1SMQx8eAvZzK+CzX4L0b/vx++KMhp9uOPs4xDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T13:09:22.766751Z"},"content_sha256":"8ccdd9cc68e311438096c2c53e2a63f0050f29c16cd10e9bf72a569393fb571a","schema_version":"1.0","event_id":"sha256:8ccdd9cc68e311438096c2c53e2a63f0050f29c16cd10e9bf72a569393fb571a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:2IVYIAOC4XACTOQTT4FFAT46N7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pre-Surgical Planner for Robot-Assisted Vitreoretinal Surgery: Integrating Eye Posture, Robot Position and Insertion Point","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.RO","authors_text":"Alireza Alikhani, M. Ali Nasseri, Nassir Navab, Peter C. Issa, Satoshi Inagaki","submitted_at":"2025-02-25T14:13:17Z","abstract_excerpt":"Several robotic frameworks have been recently developed to assist ophthalmic surgeons in performing complex vitreoretinal procedures such as subretinal injection of advanced therapeutics. These surgical robots show promising capabilities; however, most of them have to limit their working volume to achieve maximum accuracy. Moreover, the visible area seen through the surgical microscope is limited and solely depends on the eye posture. If the eye posture, trocar position, and robot configuration are not correctly arranged, the instrument may not reach the target position, and the preparation wi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.18230","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/2502.18230/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":"2026-07-05T10:19:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sH8J62DhC5BdyUsLLylIW7+zH+eOmHPpdXpvXZw3Qv9ilfJOwOrY5QF+WidhucQskfpQuUQsctXEH8hfqj+UCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T13:09:22.767120Z"},"content_sha256":"ae1cac99bab0bcb2a67d1cfd3cab7fb0af44b66ac54652c6ac7b124dd065942d","schema_version":"1.0","event_id":"sha256:ae1cac99bab0bcb2a67d1cfd3cab7fb0af44b66ac54652c6ac7b124dd065942d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2IVYIAOC4XACTOQTT4FFAT46N7/bundle.json","state_url":"https://pith.science/pith/2IVYIAOC4XACTOQTT4FFAT46N7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2IVYIAOC4XACTOQTT4FFAT46N7/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":"2026-07-06T13:09:22Z","links":{"resolver":"https://pith.science/pith/2IVYIAOC4XACTOQTT4FFAT46N7","bundle":"https://pith.science/pith/2IVYIAOC4XACTOQTT4FFAT46N7/bundle.json","state":"https://pith.science/pith/2IVYIAOC4XACTOQTT4FFAT46N7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2IVYIAOC4XACTOQTT4FFAT46N7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:2IVYIAOC4XACTOQTT4FFAT46N7","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":"3852bb062bdda3de403742cf3a28a0f92a038347d37011c164533ce775b7910d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-02-25T14:13:17Z","title_canon_sha256":"4166b43b3a6766b78b07ebe504b3cb3e4d6ee2a453d001714b61e8fee4ad1d34"},"schema_version":"1.0","source":{"id":"2502.18230","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.18230","created_at":"2026-07-05T10:19:50Z"},{"alias_kind":"arxiv_version","alias_value":"2502.18230v1","created_at":"2026-07-05T10:19:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.18230","created_at":"2026-07-05T10:19:50Z"},{"alias_kind":"pith_short_12","alias_value":"2IVYIAOC4XAC","created_at":"2026-07-05T10:19:50Z"},{"alias_kind":"pith_short_16","alias_value":"2IVYIAOC4XACTOQT","created_at":"2026-07-05T10:19:50Z"},{"alias_kind":"pith_short_8","alias_value":"2IVYIAOC","created_at":"2026-07-05T10:19:50Z"}],"graph_snapshots":[{"event_id":"sha256:ae1cac99bab0bcb2a67d1cfd3cab7fb0af44b66ac54652c6ac7b124dd065942d","target":"graph","created_at":"2026-07-05T10:19:50Z","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/2502.18230/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Several robotic frameworks have been recently developed to assist ophthalmic surgeons in performing complex vitreoretinal procedures such as subretinal injection of advanced therapeutics. These surgical robots show promising capabilities; however, most of them have to limit their working volume to achieve maximum accuracy. Moreover, the visible area seen through the surgical microscope is limited and solely depends on the eye posture. If the eye posture, trocar position, and robot configuration are not correctly arranged, the instrument may not reach the target position, and the preparation wi","authors_text":"Alireza Alikhani, M. Ali Nasseri, Nassir Navab, Peter C. Issa, Satoshi Inagaki","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-02-25T14:13:17Z","title":"Pre-Surgical Planner for Robot-Assisted Vitreoretinal Surgery: Integrating Eye Posture, Robot Position and Insertion Point"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.18230","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":"sha256:8ccdd9cc68e311438096c2c53e2a63f0050f29c16cd10e9bf72a569393fb571a","target":"record","created_at":"2026-07-05T10:19:50Z","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":"3852bb062bdda3de403742cf3a28a0f92a038347d37011c164533ce775b7910d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-02-25T14:13:17Z","title_canon_sha256":"4166b43b3a6766b78b07ebe504b3cb3e4d6ee2a453d001714b61e8fee4ad1d34"},"schema_version":"1.0","source":{"id":"2502.18230","kind":"arxiv","version":1}},"canonical_sha256":"d22b8401c2e5c029ba139f0a504f9e6fdcb1af7585f88aef2440e0c9a646ffd0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d22b8401c2e5c029ba139f0a504f9e6fdcb1af7585f88aef2440e0c9a646ffd0","first_computed_at":"2026-07-05T10:19:50.828804Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:19:50.828804Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SAhioZ2BuRXsd/SOhU7LQbEC4KlEbWpfxhfR0X2i1hLavF0605nqk5LiZ5NwhcPk95n8JZQIEaP+J6trR10QAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:19:50.829229Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.18230","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ccdd9cc68e311438096c2c53e2a63f0050f29c16cd10e9bf72a569393fb571a","sha256:ae1cac99bab0bcb2a67d1cfd3cab7fb0af44b66ac54652c6ac7b124dd065942d"],"state_sha256":"874e3e9e32123f1c2619e519b0695f3a626464127a3dd3bfab51ebfc09a244c3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WRyniwic5HZbHMYh2dKXxK0WQVgddVgzUQM47io/FdwafezQanuRmUEQOlU4lJfXmRvj/qucYpEJ/Rviu1eBCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T13:09:22.769135Z","bundle_sha256":"edd84e9866f7642bddbd85a1e39edbf46aa901570ff6b9ddb3c992f5511dd4f1"}}