OT-2026-000090845
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000090845) never changes.
Identity and time
| Publication number | OT-2026-000090845 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-7be2-9893-34ea17542144 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090845 |
| Status | PUBLIC |
Content hashes
| Canonical text | cfab6ed13c4290f7e4befaeb2d89759a778d1bfeb008eb959a95a1ff09e404c2 |
|---|---|
| Markdown | f69e1068403fd65600bc8aa4258fa3a294042aff1dc426d41de2dd1988ff89a0 |
| Publication page | 7a3013c20a043f865f3ad4eb7af34dd6c8d6e6c3a757bfcb108ac355a71a9cbb |
| Manifest | 6d69e89cc55fe61b71dccd545a86eb856970c12e717899ac1a9ebe1914bc620c |
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 | JIPcJaExpXHM5KVCl5vTYUnE4ZhbctP9+Rb6tEA4YXYiUzoylMEJCIG4wfXQLA5aTMh8yLqL7rmIsBEh9fJXBA== |
| 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
| 2026-09-17T09:44:01.888273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090845observed 7a3013c20a043f865f3ad4eb7af34dd6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:01.869506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090845/manifest.jsonobserved 6d69e89cc55fe61b71dccd545a86eb85...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:01.852364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090845/publication.mdobserved f69e1068403fd65600bc8aa4258fa3a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:01.832113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090845/publication.txtobserved cfab6ed13c4290f7e4befaeb2d89759a...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. |
|---|