OT-2026-000090780
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000090780) never changes.
Identity and time
| Publication number | OT-2026-000090780 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f31-77ba-a1d4-1cc4151af3a7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090780 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8c6ccbc10e612cc65bb54e99e4516d156b0272ac2c1de42a94312f27e84123ba |
|---|---|
| Markdown | 1591fd37e73c84fe0e64d382e6c37a108bec7b77d2d7feaf9ba77535ac6b2433 |
| Publication page | d1c470583ebc5987d4e1f299efc05cbf4380d6ef3becc551f57d815a8546e26d |
| Manifest | 2bb63cd9724e09926c507a12b4ff3896a0889ace69e6c2482590ddcd587d221c |
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 | dXQZQm8O21lhylg1tOj+1M3rDGkt+p/VjQm4rkRaf954ygzIh/WTIK0ogBQxol7+RjqU3kw4UZpPJSDUIiX9Aw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:58.970159Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090780observed d1c470583ebc5987d4e1f299efc05cbf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:58.953763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090780/manifest.jsonobserved 2bb63cd9724e09926c507a12b4ff3896...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:58.934658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090780/publication.mdobserved 1591fd37e73c84fe0e64d382e6c37a10...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:58.918187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090780/publication.txtobserved 8c6ccbc10e612cc65bb54e99e4516d15...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. |
|---|