OT-2026-000051329
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, vented before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000051329) never changes.
Identity and time
| Publication number | OT-2026-000051329 · never reused |
|---|---|
| Internal UUID | 01a0ae83-2740-7153-a81c-0c5e8b829ac6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:05.998905Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000051329 |
| Status | PUBLIC |
Content hashes
| Canonical text | 542286aa9863ec5d450020a7a5aac963922c6a38c2e185f6665c6ba4bf995721 |
|---|---|
| Markdown | 316fe998faedca782b4d6d2373155050acb1429b9746c695bd3a06b579235ef4 |
| Publication page | 1e516a5709f0148865ea9aea1ea8350db207e37b6df77f6250029aa9a308a7e8 |
| Manifest | cec638e8a07bae4f1ee9f9f616cfdc5fbc26c4db380905125c5478d1f28649f5 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | ianVqjRjhqgSx0zHKz3rnClBsD9Qe5GQOuPFkjtk/affKVnt0UYJB4D614pHKBankKiGt6fFIAqO3CvDQ4KHBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-16T04:23:45.759442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051329observed 1e516a5709f0148865ea9aea1ea8350d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T04:23:45.745224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051329/manifest.jsonobserved cec638e8a07bae4f1ee9f9f616cfdc5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:23:45.725459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051329/publication.mdobserved 316fe998faedca782b4d6d2373155050...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:23:45.681318Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051329/publication.txtobserved 542286aa9863ec5d450020a7a5aac963...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:59:12.680844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051329observed 1e516a5709f0148865ea9aea1ea8350d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:59:12.662322Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051329/manifest.jsonobserved cec638e8a07bae4f1ee9f9f616cfdc5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:59:12.646519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051329/publication.mdobserved 316fe998faedca782b4d6d2373155050...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:59:12.629269Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051329/publication.txtobserved 542286aa9863ec5d450020a7a5aac963...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|