OT-2026-000021697
Publication integrity record
Four cup vacuum gripper, four outlet manifold, 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-2026-000021697) never changes.
Identity and time
| Publication number | OT-2026-000021697 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-78ad-9070-c8e29c02a2fe · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021697 |
| Status | PUBLIC |
Content hashes
| Canonical text | a81a1b032318f7f34255aa57ff010b49247603c6f1c9077731b0e604cd20ac2d |
|---|---|
| Markdown | 770415ab17bf652f122a8a3fac612df8d001ec71d3a027c13491dce311494e76 |
| Publication page | 28f6b917aee5a3a83cf365c5e8d0c6481cd3fa4d80020f8bcc9325b8d8743577 |
| Manifest | 6af953f30aabf831b5e2efb49067580f25ef42e1acea6f468d89e8c163e84fb6 |
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 | VjsCk0s0QPb0bYRwwbfb/xgddZ0svstkJcTXJb4aa+rPvNJzmfZkC8l4y8i9PuOLi3u7BjvDsIURJ4X66oMHBA== |
| 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
| 2026-09-17T11:54:14.072917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021697observed 28f6b917aee5a3a83cf365c5e8d0c648...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:14.055042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021697/manifest.jsonobserved 6af953f30aabf831b5e2efb49067580f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:14.037245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021697/publication.mdobserved 770415ab17bf652f122a8a3fac612df8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:14.020519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021697/publication.txtobserved a81a1b032318f7f34255aa57ff010b49...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. |
|---|