OT-2026-000048431
Publication integrity record
Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000048431) never changes.
Identity and time
| Publication number | OT-2026-000048431 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de5-7d99-b190-e576937edaed · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:59.290761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048431 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5ab9c5d006d7f0c8ce17a95cb0e49c85267ede57e5198158b286cdbb2daade8b |
|---|---|
| Markdown | 376b9db6087afd10578f9969bac8fca85a2ca52d6b3ffdaa1e9ed2d2acc93d44 |
| Publication page | 2966f03086561f64ad25fe0e3615a1b663c8dd1c0c78ef34ea1533dab54a6427 |
| Manifest | e2376c6ba260c41bb1a98b436c17f069a27d9cc08c80b77c199f40dcdd22b812 |
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 | wwLGkK4mG3MbdvGgOPWPEKLBWYJ9iXGvD+L/sMbT8bArYCa70m4RuY8KF7m4pxZHyiWJr+CbeXTwO9/qj0lFDQ== |
| 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
| 2026-09-17T11:05:04.804229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048431observed 2966f03086561f64ad25fe0e3615a1b6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:05:04.784950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048431/manifest.jsonobserved e2376c6ba260c41bb1a98b436c17f069...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:05:04.764183Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048431/publication.mdobserved 376b9db6087afd10578f9969bac8fca8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:05:04.743858Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048431/publication.txtobserved 5ab9c5d006d7f0c8ce17a95cb0e49c85...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. |
|---|