OT-2026-000089598
Publication integrity record
Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000089598) never changes.
Identity and time
| Publication number | OT-2026-000089598 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-1a21-777e-901e-17f958e05765 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:21.039513Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000089598 |
| Status | PUBLIC |
Content hashes
| Canonical text | b8b3686455046ce60351d9339d393ffd5839f2722313bca9d02d2db30fd584bc |
|---|---|
| Markdown | 25f63b8a0542a82bd79a1b9bd64eae2a8b3ba1256890d17be42d9012cf501ce8 |
| Publication page | fded5f4c1c862aa70cd65cbc9740357cce8fa9540c55287f35b4492be571e724 |
| Manifest | 56a56ad8ef31d23aa2f6a85cefb1ffa644d869024940ba4e250c458a9831ee11 |
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 | aMqOWjXQgTy7do/xBQrzBZfeOiTtNiL6vKcvUCOB5FhPI6e6BmlZhgC9f6gFMLRzvXW9TgNjPcKHErvJA5iBAw== |
| 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
| 2026-10-04T04:23:29.513036Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089598observed fded5f4c1c862aa70cd65cbc9740357c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T04:23:29.493701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089598/manifest.jsonobserved 56a56ad8ef31d23aa2f6a85cefb1ffa6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:23:29.459114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089598/publication.mdobserved 25f63b8a0542a82bd79a1b9bd64eae2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:23:29.431303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089598/publication.txtobserved b8b3686455046ce60351d9339d393ffd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-01T08:41:24.446655Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089598observed fded5f4c1c862aa70cd65cbc9740357c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T08:41:24.380877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089598/manifest.jsonobserved 56a56ad8ef31d23aa2f6a85cefb1ffa6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T08:41:24.308217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089598/publication.mdobserved 25f63b8a0542a82bd79a1b9bd64eae2a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T08:41:24.160103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089598/publication.txtobserved b8b3686455046ce60351d9339d393ffd...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|