OT-2026-000074006
Publication integrity record
Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000074006) never changes.
Identity and time
| Publication number | OT-2026-000074006 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8f-7a93-bfa8-3f00bedc41e8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:35.679268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074006 |
| Status | PUBLIC |
Content hashes
| Canonical text | e8e5afcd7bbb1b852744ece7bae61b0c0a97af65919579f5ecca935ce8211dfb |
|---|---|
| Markdown | 9aa2920b7af2be0bbb3774147c05b5c5cf3ed36919d39ff0786edc8fc2178a5e |
| Publication page | dfb479b26fe8d9aa809987c60f3de4f10a7d0c5750ebda8b9edf1a74c5cf651e |
| Manifest | 7dadf092a8dd16a4b34515a821ac87480db69b2b6b57b42c27010d3b86c60cb2 |
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 | t7j99TP1pYFwm2fLLksADZ7PANZukxloEJmTfKSWT7ima4bXQbiB9BE0m83tIPStUraJaB5Hy/XBOguIiim5Dg== |
| 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
| 2026-09-17T10:20:18.255071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074006observed dfb479b26fe8d9aa809987c60f3de4f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:20:18.237337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074006/manifest.jsonobserved 7dadf092a8dd16a4b34515a821ac8748...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:20:18.217798Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074006/publication.mdobserved 9aa2920b7af2be0bbb3774147c05b5c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:20:18.200134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074006/publication.txtobserved e8e5afcd7bbb1b852744ece7bae61b0c...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. |
|---|