OT-2026-000089990
Publication integrity record
Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000089990) never changes.
Identity and time
| Publication number | OT-2026-000089990 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428e-7deb-8c96-9d25eacaad46 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000089990 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0a94eb4be3e61f42d4b044f6bf4ec6cc8d3e8abec5cc1978324495cf0cc952c4 |
|---|---|
| Markdown | e8ba42b72dbe5aa11d878c279e2f6e17075bca793d7569c239c9485865bd29a6 |
| Publication page | 5d43a0e23e13cf030b1cddc297ba2626f3ed3907131c666ea0b3c170e53f8af6 |
| Manifest | 6f133aaacc894d27e6b229818a1bf2626eaf4e9fbe0c63b6950a3846df760e49 |
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 | kVaGOO0n1Ip/vyMFpkXV3U2I9JpmMxbrkrzCvRGqCPQI5lALrsyNBASdElPKTQXEZmHv4oLDKwc7yP3E2JglDQ== |
| 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
| 2026-09-17T09:45:22.872167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089990observed 5d43a0e23e13cf030b1cddc297ba2626...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:45:22.852862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089990/manifest.jsonobserved 6f133aaacc894d27e6b229818a1bf262...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:22.833579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089990/publication.mdobserved e8ba42b72dbe5aa11d878c279e2f6e17...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:22.813339Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089990/publication.txtobserved 0a94eb4be3e61f42d4b044f6bf4ec6cc...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. |
|---|