OT-2026-000021071
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000021071) never changes.
Identity and time
| Publication number | OT-2026-000021071 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e5-7a34-94c5-61e3865f0438 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021071 |
| Status | PUBLIC |
Content hashes
| Canonical text | a7cea3de87696b73c5d96061e18ffcebc7a43292a8b3f16f550ca127a55e4db5 |
|---|---|
| Markdown | cc8620db94abe15c71544e0373c2c264f7efee029f83f7a3edee95842aac7434 |
| Publication page | adcb2a60f20633e6b20e06e92831bd0a7fe0a8b9a843fa8714d336f214feb72c |
| Manifest | 3101973793a47e931a0cb8ada5bec5d5e5a342f3a880fce30a0feeb04817b781 |
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 | jxMAEKv0OwwQYNinfSv5A8xZMu/d9yydXgHWRb7fGy7t4lElS6Xjj7QTg862XoyArb5t/BPWuwLYAaZe/T98Ag== |
| 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
| 2026-09-17T11:55:31.636340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021071observed adcb2a60f20633e6b20e06e92831bd0a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:31.616796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021071/manifest.jsonobserved 3101973793a47e931a0cb8ada5bec5d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:31.598466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021071/publication.mdobserved cc8620db94abe15c71544e0373c2c264...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:31.575659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021071/publication.txtobserved a7cea3de87696b73c5d96061e18ffceb...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. |
|---|