OT-2026-000071521
Publication integrity record
Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000071521) never changes.
Identity and time
| Publication number | OT-2026-000071521 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0ee-72b4-b1d8-c29aaf3de56a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:11.039722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071521 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8f0394a5e48d0e6ba8dc6cedac7e3cc1a5a35183bf1d0b57c93d0e1ff104c306 |
|---|---|
| Markdown | 9492815dc1cf8778997e0a895c2a89a7d839fa6503b9b7a49fe5136a3587e225 |
| Publication page | ef3892ae3bfe12be963fd74d12207eecece5fd9b7b687d60111c65f4966538c5 |
| Manifest | 06bc61d32d3b8d8980dbaf8742af8cc28a01d8412bdbe2638829d8d647c10b52 |
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 | S5xVX9WNnZ+wWyn0XgwCcXs8sju1xOGxSjnYwpoy4RmD89eEPQ7S0fQGiAaOj/lOxfasb+7ROuM+QDkYZHiODw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:25:10.200957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071521observed ef3892ae3bfe12be963fd74d12207eec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:25:10.183300Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071521/manifest.jsonobserved 06bc61d32d3b8d8980dbaf8742af8cc2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:25:10.164669Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071521/publication.mdobserved 9492815dc1cf8778997e0a895c2a89a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:25:10.147763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071521/publication.txtobserved 8f0394a5e48d0e6ba8dc6cedac7e3cc1...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. |
|---|