OT-2026-000028638
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000028638) never changes.
Identity and time
| Publication number | OT-2026-000028638 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7914-908b-0b6fed3bae7a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028638 |
| Status | PUBLIC |
Content hashes
| Canonical text | fd017482ea51bb206f2a61073e7d4a16bb03039ea7347f4fac968f1ab3d15060 |
|---|---|
| Markdown | 309979abb35c59b587e80571bf790c6962f3f01006fad22627cd1ec46315be29 |
| Publication page | 85143f6a981bb3e461e063b2e745e56e430e7d60af6c6251da3fa40949aca3c7 |
| Manifest | 880146e027e023ecf661d97b81bdf95c5ba087bbc5aca1fe40a03eb7eb2e621e |
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 | oUKzgGTJLufKCr80rZVxDqgDhQmFXB2eRxRJq6Q4HIqUFhNvH0fqMdG2DHrDbDkERfKjT67J+CJnQGMGhL3eCA== |
| 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
| 2026-09-17T11:41:30.533594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028638observed 85143f6a981bb3e461e063b2e745e56e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:30.516753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028638/manifest.jsonobserved 880146e027e023ecf661d97b81bdf95c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:30.498211Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028638/publication.mdobserved 309979abb35c59b587e80571bf790c69...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:30.480404Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028638/publication.txtobserved fd017482ea51bb206f2a61073e7d4a16...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. |
|---|