OT-2026-000021153
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000021153) never changes.
Identity and time
| Publication number | OT-2026-000021153 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-7a9f-8384-160fe18d6a76 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021153 |
| Status | PUBLIC |
Content hashes
| Canonical text | a9dc1bfc628c656551674508d430cd111f52cb4757c2d15f7f23f499778152df |
|---|---|
| Markdown | 481d3a7ce293cc0de888f3c48dce59e577171b0f1725e6ea288750b5b7247a24 |
| Publication page | ea74be4be83a44e0853733d4c79f7fc2f3310c1ec3cc885016fc5439b82b85e0 |
| Manifest | 7aa8d29f3bf2d69b9fb319563b5332d9e414e125bda5989670eedbb99f515cd2 |
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 | 9oOKA0SKGAQHnNX+UMQ12vMhhl3qyQKjBu8rMIYvzPapFU9jMTS2txfQYQIPXzztNODbItXIyD7Ztobz3X9GDA== |
| 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
| 2026-09-17T11:54:54.785259Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021153observed ea74be4be83a44e0853733d4c79f7fc2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:54.767763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021153/manifest.jsonobserved 7aa8d29f3bf2d69b9fb319563b5332d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:54.750534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021153/publication.mdobserved 481d3a7ce293cc0de888f3c48dce59e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:54.733110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021153/publication.txtobserved a9dc1bfc628c656551674508d430cd11...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. |
|---|