OT-2026-000022722
Publication integrity record
Foam pad vacuum gripper, three stage ejector, sustained blow-off 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-2026-000022722) never changes.
Identity and time
| Publication number | OT-2026-000022722 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46e9-7ef4-a4f9-6f3c23aa2ca9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022722 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8cbeb32da9ab89eceffc446f707638e4bb1b34f35b90c6a0bfab22d6626c09b9 |
|---|---|
| Markdown | e2bc40373210e0b86be995d4c6e210e849407a6f3c20e12bc335ffe6fd9dbb49 |
| Publication page | 385b0e0ed49be7020a66870a68c313ad667dd36be4e1957830a3593ed76dac5b |
| Manifest | 381a36993bcb303df533d960840ef56e74d9a1e391687b5be01506fba772599d |
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 | NSVdhTeMX3J6x2lnnSnNVDaCdB4nJYpWlJyziYDeGnugFWpW9Y/5Ec5rTZ4fy2vSvosSZzuSrAaxciRl4bBaCw== |
| 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
| 2026-09-17T11:52:13.429303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022722observed 385b0e0ed49be7020a66870a68c313ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:13.409354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022722/manifest.jsonobserved 381a36993bcb303df533d960840ef56e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:13.389939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022722/publication.mdobserved e2bc40373210e0b86be995d4c6e210e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:13.369958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022722/publication.txtobserved 8cbeb32da9ab89eceffc446f707638e4...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
| Custody package | Pending Custody packages are produced weekly. |
|---|