OT-2026-000048243
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000048243) never changes.
Identity and time
| Publication number | OT-2026-000048243 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de3-7147-85f7-240aaf764458 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:59.290761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048243 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3ce72ba6a9d5484552798f99704e668cb62acef6259d90e45fbb5db21e08d0f5 |
|---|---|
| Markdown | 57f1839d0aab965be98363ed7180fc641dabcd03832fd25a8ad19b1b73bac47f |
| Publication page | b040c1d6c16663c110cc247fb4d65c14c27a7981847e6dfec8246cbbb80bd0ba |
| Manifest | 802a1d5e3121ce8bbfdb69ea545a4a111d06be0ebde3af2f8c53bba450c1c65b |
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 | B7J/ewNLhrY7JQld6tSm1GfF0EgmbNBxm1+u1YeB+EpjmK5Fy2Iqxe+iRwVMEGddZ3y2qlsWtmlDrw30mKWNDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:04:48.315467Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048243observed b040c1d6c16663c110cc247fb4d65c14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:04:48.295822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048243/manifest.jsonobserved 802a1d5e3121ce8bbfdb69ea545a4a11...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:48.274704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048243/publication.mdobserved 57f1839d0aab965be98363ed7180fc64...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:48.254447Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048243/publication.txtobserved 3ce72ba6a9d5484552798f99704e668c...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. |
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