OT-2026-000008521
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000008521) never changes.
Identity and time
| Publication number | OT-2026-000008521 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-e46a-7667-b693-099ae1499b55 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:36.030441Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000008521 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4a96edb9abc40d498d5df90e286d22da53d7eac9144ba5b7e92b8aee457c0423 |
|---|---|
| Markdown | d2334778093bb8bf522d33c4c57441046e929140523b8eaae1eff46108739068 |
| Publication page | cefd909e9aa77679146b320fb8e20df2662b01f9b46d2b6b6ebac792aab2bff6 |
| Manifest | 36dbba5ab056f61134c8a8c5bc0872d7e83e4e2d05217842e85d0a836b602285 |
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 | bEhOBRsw0r7fQi/7/iK5MVXj9aZOyejYsxRu+B1X5+t/9E9tFwK559HeiYw9d+VBolRPwt3dtXwPE8NuN46zDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-09-17T12:18:26.188750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008521observed cefd909e9aa77679146b320fb8e20df2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:18:26.170943Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008521/manifest.jsonobserved 36dbba5ab056f61134c8a8c5bc0872d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:26.152635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008521/publication.mdobserved d2334778093bb8bf522d33c4c5744104...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:26.134322Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008521/publication.txtobserved 4a96edb9abc40d498d5df90e286d22da...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. |
|---|