OT-2026-000090933
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000090933) never changes.
Identity and time
| Publication number | OT-2026-000090933 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-71a5-bd92-55946e5186b8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090933 |
| Status | PUBLIC |
Content hashes
| Canonical text | dddc013a5f9414271766980aee2572d9fc76f013439b0c99fb509bf5613d0bd0 |
|---|---|
| Markdown | 7f22a7bcb06581d26e0e887d00e46525a3e3396c6bb336164dd76e255765067f |
| Publication page | f3cd3ad57753e52304b0ea21ba4ce2546eecf6315b0634c6410f02be8b56d55e |
| Manifest | 3d96a15a214d4e106cce9043bc42099551b4b3eb27ff6618e6f060ba99545591 |
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 | grYtfXy0w2ZcwFj8ZMI7YOofAanxWQJR8DPZJ4lIYJ6WWeTg89gvZc06L/n/k4YxHdIiYwNHz8DEzz5Oi810Aw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:06.573228Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090933observed f3cd3ad57753e52304b0ea21ba4ce254...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:06.554740Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090933/manifest.jsonobserved 3d96a15a214d4e106cce9043bc420995...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:06.522722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090933/publication.mdobserved 7f22a7bcb06581d26e0e887d00e46525...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:06.506504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090933/publication.txtobserved dddc013a5f9414271766980aee2572d9...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. |
|---|