OT-2026-000090873
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained 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-2026-000090873) never changes.
Identity and time
| Publication number | OT-2026-000090873 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-74ae-acf0-93251a7a3ff7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090873 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9f0ce123cdb632234723fa12722b43486cb7563f5ab1983b840a8d8bcd428a68 |
|---|---|
| Markdown | d07b760058cf437ad7b7618958c782d113c104b2be9c84a1ced70972c531ce6d |
| Publication page | 2bfb00c9035f62bb289eb717f2a165a4cbecde8c5adae15ed6e1ec766e6c9366 |
| Manifest | 7fc899d2605c54f7724e20f848b477acdfe543f9e475ab1a4304f4ed7c98bee1 |
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 | pBu4WTsl2gdEWQ9e1IomVrXGgOXtyM02xDddKjlx1V/ZzI4IZMiWgWBEbms3F9BZyNf4NDgVB7RW69X+iwnUAg== |
| 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
| 2026-09-17T09:44:04.065434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090873observed 2bfb00c9035f62bb289eb717f2a165a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:04.046454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090873/manifest.jsonobserved 7fc899d2605c54f7724e20f848b477ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:04.027414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090873/publication.mdobserved d07b760058cf437ad7b7618958c782d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:04.007403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090873/publication.txtobserved 9f0ce123cdb632234723fa12722b4348...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. |
|---|