OT-2026-000004544
Publication integrity record
Vacuum cup gripper, four zone face, six outlet manifold, two stage ejector
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-2026-000004544) never changes.
Identity and time
| Publication number | OT-2026-000004544 · never reused |
|---|---|
| Internal UUID | 01a0a91b-7a63-7434-a8b4-744f0244e564 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:25:45.445562Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004544 |
| Status | PUBLIC |
Content hashes
| Canonical text | 28ceddd13f87e346979bef8d579906caae6226abb317e3e751b41f5fc1dad7bc |
|---|---|
| Markdown | bf438260af393b0622913eb9669aca42ed19178ef452fa1faf7215787ae4b6d2 |
| Publication page | 7f1773cea4c5102df31541bb23fa92133c72141944c20a89274bfbfd7ffc6516 |
| Manifest | 6369fc38e2859971fdd72a94455bf25fd68aabb4a0ea8bf6549a8fc7e89de5f6 |
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 | 2sSvvXqggLHkZjsQThewHBavc5+dJDgNNXXImKNx3ylvI2DuIrTWKUH57m6xAC9F5q7zDiyZ4KV+2FhS6FtTBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:16.416097Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004544observed 7f1773cea4c5102df31541bb23fa9213...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:16.402341Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004544/manifest.jsonobserved 6369fc38e2859971fdd72a94455bf25f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:16.386912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004544/publication.mdobserved bf438260af393b0622913eb9669aca42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:16.372744Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004544/publication.txtobserved 28ceddd13f87e346979bef8d579906ca...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. |
|---|