OT-2026-000020285
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000020285) never changes.
Identity and time
| Publication number | OT-2026-000020285 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7544-9a06-ef25e408cc04 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020285 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7c66fa526883a8b0376729d02a90b1ac02cf6c51324368693e8140af01a3dea7 |
|---|---|
| Markdown | 8df0e10e103ce7ee9caadef0b98ec7965b7ce084552a3f13f962828ea1ac64b7 |
| Publication page | 5def980661ec0dabb4933f9483a9c9dcc5050e61d5c4de7fc20485cfdc99b4e3 |
| Manifest | 8468075a8a9e8b05f538c73f9567782d716204bf9fd066966bc19cc446b7fe5f |
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 | YTOs11T6c74kw5JeWJIC8PQ5K2aIwIcmApNijem+uz07pzP9UrHdaiSj0SslmyrgFh32BeTXp8Q2bDlLGLitDQ== |
| 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
| 2026-09-17T11:56:38.439100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020285observed 5def980661ec0dabb4933f9483a9c9dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:38.419694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020285/manifest.jsonobserved 8468075a8a9e8b05f538c73f9567782d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:38.400391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020285/publication.mdobserved 8df0e10e103ce7ee9caadef0b98ec796...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:38.381025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020285/publication.txtobserved 7c66fa526883a8b0376729d02a90b1ac...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. |
|---|