OT-2026-000030841
Publication integrity record
Single cup vacuum gripper, two stage ejector, pulsed blow-off after 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-2026-000030841) never changes.
Identity and time
| Publication number | OT-2026-000030841 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb5-7ea1-9008-a1094d3c6ab5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030841 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4c1d22ad94c47d4f442e7b25b42a87fd54587414cae2940743146290ff1f274 |
|---|---|
| Markdown | 77204c8423dbf73622325d85f51f69e46a4c971fbf7e8fab1e532352e8c7ed81 |
| Publication page | df9822f03c8e0fbeb410ae82361c5e38381d59eaf2dad60ed412b4532c3ff3e0 |
| Manifest | 467d051117f5f4de9976d5e943da15ba60789f959a0dfad72abba0450c56170c |
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 | r4sMiIMMkG+JwPpHICuN1iRhFXXUonyc4AEARBGTeNfNUSw2fk4ELBVt5jghYtXnLtJiXTkVFXHeZwj0ogQNAQ== |
| 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
| 2026-09-17T11:36:48.913793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030841observed df9822f03c8e0fbeb410ae82361c5e38...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:48.894686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030841/manifest.jsonobserved 467d051117f5f4de9976d5e943da15ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:48.876376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030841/publication.mdobserved 77204c8423dbf73622325d85f51f69e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:48.856255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030841/publication.txtobserved a4c1d22ad94c47d4f442e7b25b42a87f...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. |
|---|