OT-2026-000003547
Publication integrity record
Porous face vacuum gripper, two zone face, common isolation valve, two stage ejector
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-2026-000003547) never changes.
Identity and time
| Publication number | OT-2026-000003547 · never reused |
|---|---|
| Internal UUID | 01a0a90a-586a-7285-b3c7-c67039d5a8da · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:02.638104Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003547 |
| Status | PUBLIC |
Content hashes
| Canonical text | 29867d8f3647dc236f6d71db39047acf41d09844c50225de6f0e081148210343 |
|---|---|
| Markdown | 5719c922c710a0c366841c59520d5061b596788558dd36cc9d9c7837912e6b99 |
| Publication page | c9e54d8d31c32c9e1cf5a6be6548dc846961973d0fc4ba56a013526f878a1568 |
| Manifest | 85d1f6922da66e0a8ea8220b8ec4b78c3782b18182bdee5afb8d1a2a24ffda61 |
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 | dpH6pWxgljrcDv33as7C4NbkvG9ZMb70o/y/h2qsMiEtR0oWRL6RNAbSjWri4lLHGKEsrVBd39qNmyqXfwPbCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T08:50:32.714212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003547observed c9e54d8d31c32c9e1cf5a6be6548dc84...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:32.701212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003547/manifest.jsonobserved 85d1f6922da66e0a8ea8220b8ec4b78c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:32.687303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003547/publication.mdobserved 5719c922c710a0c366841c59520d5061...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:32.671279Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003547/publication.txtobserved 29867d8f3647dc236f6d71db39047acf...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. |
|---|