OT-2026-000020255
Publication integrity record
Four bellows cup vacuum gripper, four zone face, pump fed, pulsed 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-2026-000020255) never changes.
Identity and time
| Publication number | OT-2026-000020255 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7271-89b0-e1faf0d0a050 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020255 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7348b6b8299b6d327913c54de12ff507f7961e48ca1ab5f95a79df53db9d8b42 |
|---|---|
| Markdown | 2b1696366a15405739ae1a22514f9e1c1fe15d8c5dce4c6a62835cf52759552a |
| Publication page | e1670d67c8471543ea69b93fa13a4b3756ab429c46e4176c603d36ab0a49bd95 |
| Manifest | 9b8f9afda392c6b1669f6c4deffb777fcb83d71aa13de6b35aa79e80145a32ea |
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 | E7PUNSx3LnaKscLTy3YViqW+c8zD6Vb2bD1HCE+lbotPNx5UmXwl5wvzj6eBe30A+ysPTbg1vXp/nrumlO+2CQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:56:34.911721Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020255observed e1670d67c8471543ea69b93fa13a4b37...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:34.894342Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020255/manifest.jsonobserved 9b8f9afda392c6b1669f6c4deffb777f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:34.876802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020255/publication.mdobserved 2b1696366a15405739ae1a22514f9e1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:34.857757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020255/publication.txtobserved 7348b6b8299b6d327913c54de12ff507...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. |
|---|