OT-2026-000013931
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000013931) never changes.
Identity and time
| Publication number | OT-2026-000013931 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8dea-7274-846a-620e03d8a339 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013931 |
| Status | PUBLIC |
Content hashes
| Canonical text | 38ec9a18625938e9a8151ea1dbac0e981d9aaf956476161c556c44cc7c3cc0e6 |
|---|---|
| Markdown | beb75da7e8b338164f837406a32cb89c5d641e43defd08a2034ff3809680881b |
| Publication page | 0ff12a7ba21105e9e788540112e1642de5c8e9a9ef3079d5d88425a258da6962 |
| Manifest | 312d5e74b2bbb4648e4f795cf909d8ceb094370d263f4bb3ec9d723e761663d3 |
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 | Q+YQMKzX8JvMF8gkMiaA8s5z9xHLhvidc/WiMoi72s+VpJUFm/8jfOzV1zHXRLrTgMKQlNPjAQSk2KGmsuxcBw== |
| 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
| 2026-09-17T12:09:04.107904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013931observed 0ff12a7ba21105e9e788540112e1642d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:04.088789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013931/manifest.jsonobserved 312d5e74b2bbb4648e4f795cf909d8ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:04.070151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013931/publication.mdobserved beb75da7e8b338164f837406a32cb89c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:04.048604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013931/publication.txtobserved 38ec9a18625938e9a8151ea1dbac0e98...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. |
|---|