OT-2026-000076831
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000076831) never changes.
Identity and time
| Publication number | OT-2026-000076831 · never reused |
|---|---|
| Internal UUID | 01a0ae94-b070-7a10-9712-996e9a583868 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:15.236414Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000076831 |
| Status | PUBLIC |
Content hashes
| Canonical text | a294a89ec0bc5d1e19e66cb15aa6376e7909fcdfdac17df91ed28edff75bca94 |
|---|---|
| Markdown | c2ec537620cdc884444a8eb6f8e7529a75c7672886e3c1d52549d331b9a9a2d4 |
| Publication page | 5faaf221451ee137626786c46667e8a9666d4d22c00ef6b6e4f10c73251b1e24 |
| Manifest | ef99c178f62fa2eccaf70f64d417b89f8e1ed28208f47f9a9e56e682e17475da |
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 | kR0IcwRYIHyHEpo6s6zlWjtRZfPsf6T4voN+mpOMoA/vitqzXjrx6VoGfZwC9lqlgJqJomWBQpnmaRXvhWHFCA== |
| 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
| 2026-09-17T10:09:42.690259Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076831observed 5faaf221451ee137626786c46667e8a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:09:42.671123Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076831/manifest.jsonobserved ef99c178f62fa2eccaf70f64d417b89f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:42.653191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076831/publication.mdobserved c2ec537620cdc884444a8eb6f8e7529a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:42.637156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076831/publication.txtobserved a294a89ec0bc5d1e19e66cb15aa6376e...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. |
|---|