OT-2026-000042720
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after set-down
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-2026-000042720) never changes.
Identity and time
| Publication number | OT-2026-000042720 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cf-7643-b86b-f09eb3c81fa5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042720 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8a0fac3f2fbfca974be56436cd5659cd862b2c1dc9fe8a5e09baebe43855b583 |
|---|---|
| Markdown | 636dc40b598836c850e5e6d11e46086833d8e8bcf13259e426ef576eede94b2c |
| Publication page | f1fbf19e778251794ab5acc33df4a5640190c5fe9d09c17ae883d0d30a2276a7 |
| Manifest | c4dac01fa7b5976a432571f8d7c51118dd346bbc1da8069b286a139e79f08f8a |
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 | lFhHVXDhqpZmtF4XDA8cFKQnsbwPiXtaPuL+q1VFvnqCmrSJvQHroqw3GX4Z6gol45KQKak9SJGdwpVI3s6JDQ== |
| 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
| 2026-09-17T11:15:09.384024Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042720observed f1fbf19e778251794ab5acc33df4a564...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:09.363425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042720/manifest.jsonobserved c4dac01fa7b5976a432571f8d7c51118...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:09.342832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042720/publication.mdobserved 636dc40b598836c850e5e6d11e460868...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:09.322513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042720/publication.txtobserved 8a0fac3f2fbfca974be56436cd5659cd...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. |
|---|