OT-2026-000021671
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000021671) never changes.
Identity and time
| Publication number | OT-2026-000021671 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7601-a905-3f97a9bc4a75 · 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-2026-000021671 |
| Status | PUBLIC |
Content hashes
| Canonical text | dbf699ca0eb897f2857068c49d349b6a0bc2abd5ddb5cdeca19ca05790305a03 |
|---|---|
| Markdown | 29427a3622ac2b4f3e21d5bc079d89b7bec07235d1daf747ae5abd63ba0e8d94 |
| Publication page | 9b771169920c8ae5a658cc62f87f1c8c61c32bcc205fbdb49ea57bee732b20fe |
| Manifest | 532658e99323c0b76a662c4ab5bc6e291d629837596e2ce8960d1c92b0e998d0 |
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 | oo++r4/rkMa03knkqXK2Tttz9WOU8PzxK7KVn9YOe7rN+3629bPJf77Vnpfa5V/Wz7MP54yMkcbiaja2+croAw== |
| 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
| 2026-09-17T11:54:12.282484Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021671observed 9b771169920c8ae5a658cc62f87f1c8c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:12.260800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021671/manifest.jsonobserved 532658e99323c0b76a662c4ab5bc6e29...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:12.243100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021671/publication.mdobserved 29427a3622ac2b4f3e21d5bc079d89b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:12.224319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021671/publication.txtobserved dbf699ca0eb897f2857068c49d349b6a...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. |
|---|