OT-2026-000090633
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000090633) never changes.
Identity and time
| Publication number | OT-2026-000090633 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f30-7b8e-8537-0cee51ea4385 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090633 |
| Status | PUBLIC |
Content hashes
| Canonical text | e3cace5d6ba6462567dc0fc0e66cc0a0359509dbb321e4ab5169046925b71974 |
|---|---|
| Markdown | a115dec1e15b5ea78cdf22fb2ea4f3f53fc8b4116a0952dc6efed14a2284c6f6 |
| Publication page | c39248dd0eb19e415d122e8a73e882a3c8e07cc27008ccff23fffc61e7216484 |
| Manifest | d90456dd44757d37251a6f3613f2427a978e37d0dab52a90cb6390550700562d |
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 | ZgLUSW9gUh62/fUQGfNOopvwOSHA0T0UyiZJHhYaE6KVW/3s+lQQvrGvX53YvAgG5pjg6ReRSNb1P9xI+mj8Cw== |
| 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
| 2026-09-17T09:44:49.073030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090633observed c39248dd0eb19e415d122e8a73e882a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:49.055902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090633/manifest.jsonobserved d90456dd44757d37251a6f3613f2427a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:49.037014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090633/publication.mdobserved a115dec1e15b5ea78cdf22fb2ea4f3f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:49.018075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090633/publication.txtobserved e3cace5d6ba6462567dc0fc0e66cc0a0...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. |
|---|