OT-2026-000026221
Publication integrity record
Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000026221) never changes.
Identity and time
| Publication number | OT-2026-000026221 · never reused |
|---|---|
| Internal UUID | 01a0ae71-a841-7aa8-8246-a63536cc3243 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:17:59.376802Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026221 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4bb9adde8a97f16a4f66be9f58f9305637c6f5d3093eb1f9aa80a85c761c4f45 |
|---|---|
| Markdown | 071e5417ed0b8241d5c4b7fa81e71850acd97ae62c3d4ffcf2bdeb5f4a2f463a |
| Publication page | 41859c8b72eea310b0b27ef521b70f9b673c7166d54c9956f1cdc4d8ed9942d6 |
| Manifest | bce521cedeeb6d1bf3c9cc126534c35465ccada7b4d7f5dc31d3c6764544271e |
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 | ou5YalOdfZZkOubOy7KXwYaeoknzfcbqPk165WqCeVPB1uJKUXuYv9HHev1+0GYtS6KtVIIOAL/OhGLpArUuCw== |
| 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
| 2026-09-17T11:46:43.771457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026221observed 41859c8b72eea310b0b27ef521b70f9b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:46:43.745685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026221/manifest.jsonobserved bce521cedeeb6d1bf3c9cc126534c354...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:46:43.724695Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026221/publication.mdobserved 071e5417ed0b8241d5c4b7fa81e71850...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:46:43.704538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026221/publication.txtobserved 4bb9adde8a97f16a4f66be9f58f93056...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. |
|---|