OT-2026-000004398
Publication integrity record
Bellows cup vacuum gripper, three zone face, common isolation valve, pump fed
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-2026-000004398) never changes.
Identity and time
| Publication number | OT-2026-000004398 · never reused |
|---|---|
| Internal UUID | 01a0a916-511c-79db-8000-1005015a2916 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:20:07.199435Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004398 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1ed460d017648bfcee538e7cf22613108f9f8ebb133504769ebdc41400f6d62e |
|---|---|
| Markdown | 97aa6ea3382de9decdfb64d7a9903d1a32f4db979f1a351d1ffb1c8b70fac33c |
| Publication page | 97a56b551af2bdd46359952c7695d23c5d695adbc32c53adcc6202e8926e92af |
| Manifest | 6d4a9b95a9aaf87ee18bbee06a04b312c569b6344d0426bdfba268f63c3c940a |
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 | Gmzz85u9e3GpfY1ifWibOvzyUtOqZe/xr+WAqzG7KBGv6HIOym+cm67gkL8IbH/uIXVMx6kok5Mkv1kFqf6lDA== |
| 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
| 2026-09-16T07:30:32.161703Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004398observed 97a56b551af2bdd46359952c7695d23c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:32.147762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004398/manifest.jsonobserved 6d4a9b95a9aaf87ee18bbee06a04b312...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:32.133270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004398/publication.mdobserved 97aa6ea3382de9decdfb64d7a9903d1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:31.994459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004398/publication.txtobserved 1ed460d017648bfcee538e7cf2261310...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. |
|---|