OT-2026-000011647
Publication integrity record
Four finger pneumatic gripper, 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-2026-000011647) never changes.
Identity and time
| Publication number | OT-2026-000011647 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1940-71a6-aa16-3c661a188bf0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011647 |
| Status | PUBLIC |
Content hashes
| Canonical text | 478c09689b56a39c709e0b42239c9ce5fb6fa515eeaaf621329ebf30e8bb29b0 |
|---|---|
| Markdown | 09f4a8c2307b6784e6e878a34d0f4ded3c1b860cf7cf87a0acdedfd5b12ac435 |
| Publication page | c9fed40d121bc2256268bee2579eb1ab21a4d454a387505893d2a64d93a13daf |
| Manifest | 437cfecf8ce8ec8b9f92f714d1668e172cd0f392923bdc2b7d55239adf5e4510 |
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 | OExHqg2O/vxYf/5qt1DohPj+WuBsGMZxg8DSzHNvLGB5uPj+wkKMkpn1DAwrt+fTf5AITGgus7Nqoah5wDCrAg== |
| 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
| 2026-09-17T12:12:14.040194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011647observed c9fed40d121bc2256268bee2579eb1ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:12:14.020263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011647/manifest.jsonobserved 437cfecf8ce8ec8b9f92f714d1668e17...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:13.999652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011647/publication.mdobserved 09f4a8c2307b6784e6e878a34d0f4ded...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:13.979686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011647/publication.txtobserved 478c09689b56a39c709e0b42239c9ce5...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. |
|---|