OT-2026-000075521
Publication integrity record
Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000075521) never changes.
Identity and time
| Publication number | OT-2026-000075521 · never reused |
|---|---|
| Internal UUID | 01a0ae93-f202-7545-8002-8723bbb3a078 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:26.476108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075521 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0933a1d535cf3190540a492cb8464d8e0622ffd16b00e41b006ae595dd0995e0 |
|---|---|
| Markdown | 72de365dc9c40f9ed0bf2f64651e68f0bab7ac7830c60db4da8823966bf0dc38 |
| Publication page | bcf3812b6b231c25a22d1595d9f485a20f2be36d7d432d51df38cf92ef021c06 |
| Manifest | 35293624a51049c55c8234ffc54ec35b49733837a1afb0faf0ede9f9e8c3bb43 |
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 | 9jTu4CE2v7y9wHpIk8AnNsO3NXKahhLBHbQbABLbdsW9gj+/Ak9NSrzI2FEz6xwyDbDbi5o+NpSph/kR9queCg== |
| 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
| 2026-09-17T10:17:59.294654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075521observed bcf3812b6b231c25a22d1595d9f485a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:17:59.274997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075521/manifest.jsonobserved 35293624a51049c55c8234ffc54ec35b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:17:59.253290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075521/publication.mdobserved 72de365dc9c40f9ed0bf2f64651e68f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:17:59.231728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075521/publication.txtobserved 0933a1d535cf3190540a492cb8464d8e...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. |
|---|