OT-2026-000006621
Publication integrity record
Two finger mechanical gripper, ejector fed, contact triggered, electric drive, 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-2026-000006621) never changes.
Identity and time
| Publication number | OT-2026-000006621 · never reused |
|---|---|
| Internal UUID | 01a0a961-a333-7aa2-b493-2f88247c2cde · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:42:23.414120Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006621 |
| Status | PUBLIC |
Content hashes
| Canonical text | c7bea1c755e5ef34f25de2aaaea33502fe0f1072ddd1de6fe54964f9a70415a1 |
|---|---|
| Markdown | 4ed43247ede66f7e806a90f93bad92a41846e84f11e229a5fe4974ea140e3db4 |
| Publication page | b5c4f86f0427ecb636a0b83418fe46924b0dfd69a6318380ad24c811bb114a22 |
| Manifest | 8ab0d17e4dd71899247fac8d91dec52e165ca7e212e5d4864cfa4ba0331fbbeb |
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 | tna5Av6Fv1Qu2xGPzmZgDPFaWGYP9YrEi6tLIaXms7NpE8/QCvsT1yspIKsfZX7c19jVl4Q0Waov/mS0Fcn0CQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:50:24.401819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006621observed b5c4f86f0427ecb636a0b83418fe4692...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:24.387339Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006621/manifest.jsonobserved 8ab0d17e4dd71899247fac8d91dec52e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:24.247225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006621/publication.mdobserved 4ed43247ede66f7e806a90f93bad92a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:24.233469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006621/publication.txtobserved c7bea1c755e5ef34f25de2aaaea33502...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. |
|---|