OT-2026-000028323
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000028323) never changes.
Identity and time
| Publication number | OT-2026-000028323 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7012-9ad8-281f283c8ba4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028323 |
| Status | PUBLIC |
Content hashes
| Canonical text | 72776a9cffe1457275f8d57c182f90a74429ecab0212f8492c54a11d4af58d7b |
|---|---|
| Markdown | 563d9088ee62b6d13767fe6e6283c6898053410b7667be9c52168eb70fa1c08a |
| Publication page | 55d6cbfc5dc28682cd10a8df38bc459661f0fdae96eb22ceefb0588f94721556 |
| Manifest | a8c92274b67099db4d87c3be75bd82b3551b6031308b9fc930746afaf55f06e1 |
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 | BH4UWHoH8Ku6LMNkU/lvltFbwjK6br4oS2uLjZ+xwIV/OfWvUPzIamRGbFeKZiNwOvZuUUUQAFoiCBLPaKgnBg== |
| 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
| 2026-09-17T11:40:19.385207Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028323observed 55d6cbfc5dc28682cd10a8df38bc4596...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:19.368061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028323/manifest.jsonobserved a8c92274b67099db4d87c3be75bd82b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:19.350079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028323/publication.mdobserved 563d9088ee62b6d13767fe6e6283c689...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:19.334792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028323/publication.txtobserved 72776a9cffe1457275f8d57c182f90a7...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. |
|---|