OT-2026-000020663
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000020663) never changes.
Identity and time
| Publication number | OT-2026-000020663 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-7c32-9a22-103ab9afe011 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020663 |
| Status | PUBLIC |
Content hashes
| Canonical text | a8dbdcf66890c08c104623907cf0f867359845956ed932480bdb8557bd4d02c4 |
|---|---|
| Markdown | aae6fa07ed7d66f1468e7f3d80def20b65a51f00fdd647b849c1c27977561a1a |
| Publication page | f9709649032b95887a7e22895ea980cd7ff645332549fd11d85f8c62445a3f56 |
| Manifest | cb41ef3eb5a05cad95a86374fedb71ba8776378d8263520f11ccfd060ce87bb9 |
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 | xfPxRs6TF+TZfYRxW2bsQH1O0KX7gbSW6nOYGVvjJiDrkhyXece3rXMBzz8n7geF3vCyb1DvImdydO3tpXPcDA== |
| 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
| 2026-09-17T11:55:37.190064Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020663observed f9709649032b95887a7e22895ea980cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:37.171512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020663/manifest.jsonobserved cb41ef3eb5a05cad95a86374fedb71ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:37.153682Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020663/publication.mdobserved aae6fa07ed7d66f1468e7f3d80def20b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:37.135635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020663/publication.txtobserved a8dbdcf66890c08c104623907cf0f867...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. |
|---|