OT-2026-000054875
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line 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-2026-000054875) never changes.
Identity and time
| Publication number | OT-2026-000054875 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1285-73e5-ba4d-ffbe31a10c8e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054875 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5f23098a8d1f786d17f1840dfc2834e81e14db8cdda6c367e6b9cd41fb15e9ad |
|---|---|
| Markdown | 5fdb6c1aa3f95afeb979aa464d524bd467e355c50625fd77d45e75ce35ec39e1 |
| Publication page | 378c6750fa50d8333cb6f6eca96af027fec6602dc392b8ddf8a5ad756edbea64 |
| Manifest | 31b612bb7ef86819467cfa68ba8b4071b43861cbb91dce24c983cb9d8044d6c7 |
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 | A7w1FJpc93Aj3TKaY6/G67WDk/PDxxnc8k5knq9XXRURegROQsdty9w8YWYx+zb98NOXLw1/GJzcN214Um5XDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:54:05.918504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054875observed 378c6750fa50d8333cb6f6eca96af027...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:54:05.900764Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054875/manifest.jsonobserved 31b612bb7ef86819467cfa68ba8b4071...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:05.881705Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054875/publication.mdobserved 5fdb6c1aa3f95afeb979aa464d524bd4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:05.864207Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054875/publication.txtobserved 5f23098a8d1f786d17f1840dfc2834e8...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. |
|---|