{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:HFX67FSAFACF345XFC75YBAG22","short_pith_number":"pith:HFX67FSA","canonical_record":{"source":{"id":"2506.03743","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-06-04T09:14:08Z","cross_cats_sorted":[],"title_canon_sha256":"a0385785aec2d772caa69be8024ed723a104b88c272c88433bc323bf0cfb7041","abstract_canon_sha256":"cf3b5db63e3e3f3c552c0a7feab98971c5002e5fae313a772f45bf294d134a0c"},"schema_version":"1.0"},"canonical_sha256":"396fef964028045df3b728bfdc0406d69416c24a9d90941d2420d9acaba059b2","source":{"kind":"arxiv","id":"2506.03743","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.03743","created_at":"2026-07-05T11:15:51Z"},{"alias_kind":"arxiv_version","alias_value":"2506.03743v1","created_at":"2026-07-05T11:15:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.03743","created_at":"2026-07-05T11:15:51Z"},{"alias_kind":"pith_short_12","alias_value":"HFX67FSAFACF","created_at":"2026-07-05T11:15:51Z"},{"alias_kind":"pith_short_16","alias_value":"HFX67FSAFACF345X","created_at":"2026-07-05T11:15:51Z"},{"alias_kind":"pith_short_8","alias_value":"HFX67FSA","created_at":"2026-07-05T11:15:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:HFX67FSAFACF345XFC75YBAG22","target":"record","payload":{"canonical_record":{"source":{"id":"2506.03743","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-06-04T09:14:08Z","cross_cats_sorted":[],"title_canon_sha256":"a0385785aec2d772caa69be8024ed723a104b88c272c88433bc323bf0cfb7041","abstract_canon_sha256":"cf3b5db63e3e3f3c552c0a7feab98971c5002e5fae313a772f45bf294d134a0c"},"schema_version":"1.0"},"canonical_sha256":"396fef964028045df3b728bfdc0406d69416c24a9d90941d2420d9acaba059b2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:15:51.209500Z","signature_b64":"KyDeaYEML93ItpMrVNGOLxWE/Q+bXZgidpcvM/7xktaAbW8bfaLKZhEXzVMCpbpSYvEI9wHrCTdWvlIw/r6MAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"396fef964028045df3b728bfdc0406d69416c24a9d90941d2420d9acaba059b2","last_reissued_at":"2026-07-05T11:15:51.208951Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:15:51.208951Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.03743","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":"2026-07-05T11:15:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2e5Z90vuSpJlTTNsdIqEjjhci/fVwxVrZhbAsWUovyhx7txbX55hnPKBsUdwrsC57n0wH7Z0Xt1pBAPDTrZHAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T20:26:26.773228Z"},"content_sha256":"3824adabfc993f99dba109fc24a62e89fef477b9b883ceac9867774279c19f4e","schema_version":"1.0","event_id":"sha256:3824adabfc993f99dba109fc24a62e89fef477b9b883ceac9867774279c19f4e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:HFX67FSAFACF345XFC75YBAG22","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Open-source Capping Machine Suitable for Confined Spaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.RO","authors_text":"Andrew I. Cooper, Francisco Munguia-Galeano, Hatem Fakhruldeen, Louis Longley, Rob Clowes, Satheeshkumar Veeramani, Zhengxue Zhou","submitted_at":"2025-06-04T09:14:08Z","abstract_excerpt":"In the context of self-driving laboratories (SDLs), ensuring automated and error-free capping is crucial, as it is a ubiquitous step in sample preparation. Automated capping in SDLs can occur in both large and small workspaces (e.g., inside a fume hood). However, most commercial capping machines are designed primarily for large spaces and are often too bulky for confined environments. Moreover, many commercial products are closed-source, which can make their integration into fully autonomous workflows difficult. This paper introduces an open-source capping machine suitable for compact spaces, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.03743","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/2506.03743/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":"2026-07-05T11:15:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wNHmVqQ5gFZGhBr3mbnf8/WQcm6o7CMZ1ksHnS7Pel9lXGGLaLJ1TDb8fsIZTFtryl69bovrh/NQ02wFb05PBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T20:26:26.773617Z"},"content_sha256":"5fcfc8ae959beb0cd596d7bde9d5017462285a7d200829fc1bb69e76b34d1b84","schema_version":"1.0","event_id":"sha256:5fcfc8ae959beb0cd596d7bde9d5017462285a7d200829fc1bb69e76b34d1b84"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HFX67FSAFACF345XFC75YBAG22/bundle.json","state_url":"https://pith.science/pith/HFX67FSAFACF345XFC75YBAG22/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HFX67FSAFACF345XFC75YBAG22/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":"2026-07-08T20:26:26Z","links":{"resolver":"https://pith.science/pith/HFX67FSAFACF345XFC75YBAG22","bundle":"https://pith.science/pith/HFX67FSAFACF345XFC75YBAG22/bundle.json","state":"https://pith.science/pith/HFX67FSAFACF345XFC75YBAG22/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HFX67FSAFACF345XFC75YBAG22/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:HFX67FSAFACF345XFC75YBAG22","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":"cf3b5db63e3e3f3c552c0a7feab98971c5002e5fae313a772f45bf294d134a0c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-06-04T09:14:08Z","title_canon_sha256":"a0385785aec2d772caa69be8024ed723a104b88c272c88433bc323bf0cfb7041"},"schema_version":"1.0","source":{"id":"2506.03743","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.03743","created_at":"2026-07-05T11:15:51Z"},{"alias_kind":"arxiv_version","alias_value":"2506.03743v1","created_at":"2026-07-05T11:15:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.03743","created_at":"2026-07-05T11:15:51Z"},{"alias_kind":"pith_short_12","alias_value":"HFX67FSAFACF","created_at":"2026-07-05T11:15:51Z"},{"alias_kind":"pith_short_16","alias_value":"HFX67FSAFACF345X","created_at":"2026-07-05T11:15:51Z"},{"alias_kind":"pith_short_8","alias_value":"HFX67FSA","created_at":"2026-07-05T11:15:51Z"}],"graph_snapshots":[{"event_id":"sha256:5fcfc8ae959beb0cd596d7bde9d5017462285a7d200829fc1bb69e76b34d1b84","target":"graph","created_at":"2026-07-05T11:15:51Z","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/2506.03743/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In the context of self-driving laboratories (SDLs), ensuring automated and error-free capping is crucial, as it is a ubiquitous step in sample preparation. Automated capping in SDLs can occur in both large and small workspaces (e.g., inside a fume hood). However, most commercial capping machines are designed primarily for large spaces and are often too bulky for confined environments. Moreover, many commercial products are closed-source, which can make their integration into fully autonomous workflows difficult. This paper introduces an open-source capping machine suitable for compact spaces, ","authors_text":"Andrew I. Cooper, Francisco Munguia-Galeano, Hatem Fakhruldeen, Louis Longley, Rob Clowes, Satheeshkumar Veeramani, Zhengxue Zhou","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-06-04T09:14:08Z","title":"An Open-source Capping Machine Suitable for Confined Spaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.03743","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":"sha256:3824adabfc993f99dba109fc24a62e89fef477b9b883ceac9867774279c19f4e","target":"record","created_at":"2026-07-05T11:15:51Z","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":"cf3b5db63e3e3f3c552c0a7feab98971c5002e5fae313a772f45bf294d134a0c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-06-04T09:14:08Z","title_canon_sha256":"a0385785aec2d772caa69be8024ed723a104b88c272c88433bc323bf0cfb7041"},"schema_version":"1.0","source":{"id":"2506.03743","kind":"arxiv","version":1}},"canonical_sha256":"396fef964028045df3b728bfdc0406d69416c24a9d90941d2420d9acaba059b2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"396fef964028045df3b728bfdc0406d69416c24a9d90941d2420d9acaba059b2","first_computed_at":"2026-07-05T11:15:51.208951Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:15:51.208951Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KyDeaYEML93ItpMrVNGOLxWE/Q+bXZgidpcvM/7xktaAbW8bfaLKZhEXzVMCpbpSYvEI9wHrCTdWvlIw/r6MAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:15:51.209500Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.03743","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3824adabfc993f99dba109fc24a62e89fef477b9b883ceac9867774279c19f4e","sha256:5fcfc8ae959beb0cd596d7bde9d5017462285a7d200829fc1bb69e76b34d1b84"],"state_sha256":"b8e4b3fbc588226b9eb97b80b7870bc1e8e33a0fb82bc5e372b7e06d7250c6af"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JwMubYJCPukDJlHw/4pcaRLeTpI7A5bfJzm+J9WWFS7pJq8jaM2IsT3M4gILeZuydweyW2HkE9vQXw/WQEu1Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T20:26:26.775590Z","bundle_sha256":"0dcc2cc388af20f37494e0f432e130332d4b3ae795cceb1af74fa61e800da27b"}}