OT-2026-000087421
Publication integrity record
Foam pad vacuum gripper, two zone face, single stage ejector, supply line 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-2026-000087421) never changes.
Identity and time
| Publication number | OT-2026-000087421 · never reused |
|---|---|
| Internal UUID | 01a0ae9a-cd50-72ad-9361-903001986dc7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:02:55.852518Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087421 |
| Status | PUBLIC |
Content hashes
| Canonical text | c58f1ed0641d12eb94b90c61768bfc7bcc20bfcc20e9bbdbca4365505cd48ee0 |
|---|---|
| Markdown | 2b783abae9251cd02a71ba796f9fb5c0df3e0323ab52ebbf1581e1d0f82eff57 |
| Publication page | 871d398e02b703d93724067c5479d5941858f2e030553385558ae631e66e5a03 |
| Manifest | 95af075284ab0fc69f9b1d0003a23a9a5177c66477b7bb66cf619a70c128b8f6 |
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 | +IxqE5LGoj1RMUjM2Hm5fS8T3HfkFkFBklkchnxYAvwIgGuRt/FBvu6DkqjUV3g3jH1vsy4hKMM6ltIe0u/7Ag== |
| 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
| 2026-09-17T09:50:44.429633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087421observed 871d398e02b703d93724067c5479d594...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:50:44.396025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087421/manifest.jsonobserved 95af075284ab0fc69f9b1d0003a23a9a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:50:44.376766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087421/publication.mdobserved 2b783abae9251cd02a71ba796f9fb5c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:50:44.345525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087421/publication.txtobserved c58f1ed0641d12eb94b90c61768bfc7b...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. |
|---|