OT-2026-000027051
Publication integrity record
Foam pad vacuum gripper, three zone face, single stage ejector, pulsed blow-off before set-down
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-2026-000027051) never changes.
Identity and time
| Publication number | OT-2026-000027051 · never reused |
|---|---|
| Internal UUID | 01a0ae72-3453-73b3-bef2-8659e9445de8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:35.358864Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027051 |
| Status | PUBLIC |
Content hashes
| Canonical text | 20980ecd34b41c36ed46e64ee1e1a1ffafb1fd6e829f3b99ad74c468be3c8ffb |
|---|---|
| Markdown | 1a4af21edc99b225ac15b3a0bc6815ba71343f17c02fcec294521bb47accbe02 |
| Publication page | ebce1c1f5a9d4af12d90573e80977032830d1ca97095eb0515e7aa0c8b7cedfe |
| Manifest | a9bdc2a4afedad54f0f872bf4c4b7d3838c53732b0c94755c4d68dcc2e9ab53a |
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 | mbomwiOEowwPCUwQHvaB5p+fbb2EY1ix3ZLvq14SdmfqsQxKKnAduG8a/ODnF2DZRybEoa4xEaZVE+CkI5ULCw== |
| 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
| 2026-10-09T20:41:35.409908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027051observed ebce1c1f5a9d4af12d90573e80977032...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T20:41:35.308845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027051/manifest.jsonobserved a9bdc2a4afedad54f0f872bf4c4b7d38...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T20:41:35.191883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027051/publication.mdobserved 1a4af21edc99b225ac15b3a0bc6815ba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T20:41:35.095707Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027051/publication.txtobserved 20980ecd34b41c36ed46e64ee1e1a1ff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T20:42:05.082959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027051observed ebce1c1f5a9d4af12d90573e80977032...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T20:42:04.857986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027051/manifest.jsonobserved a9bdc2a4afedad54f0f872bf4c4b7d38...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T20:42:04.753476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027051/publication.mdobserved 1a4af21edc99b225ac15b3a0bc6815ba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T20:42:04.572241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027051/publication.txtobserved 20980ecd34b41c36ed46e64ee1e1a1ff...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|