OT-2026-000090697
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000090697) never changes.
Identity and time
| Publication number | OT-2026-000090697 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f30-7624-8830-cc18563e632d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090697 |
| Status | PUBLIC |
Content hashes
| Canonical text | b4e4571a0e4e46208d60ef402d4fc17493378daa27397410d9c50cde3156daa2 |
|---|---|
| Markdown | b5cb8dd3060ba1a9110567b1cc19902e85ce4b2d2fbbb10b88506b31ee566980 |
| Publication page | 1684861e8f12ba7dfe42a4578e054dcdd869356cffcd49770e7238ef74bfb0a6 |
| Manifest | 812d6cb9cec1831bcbe44c61ec2a16186cb006d786b827a5e62afc62590d7c07 |
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 | jdFV15cyvyeTgHRkm6XptHOl12iipDYWGWBMIBqJt91YRszaCla5rViYsA/yO7MbkPgImA8OfxLNCkbyg2ruAg== |
| 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
| 2026-09-17T09:44:53.923989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090697observed 1684861e8f12ba7dfe42a4578e054dcd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:53.906471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090697/manifest.jsonobserved 812d6cb9cec1831bcbe44c61ec2a1618...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:53.889174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090697/publication.mdobserved b5cb8dd3060ba1a9110567b1cc19902e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:53.870912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090697/publication.txtobserved b4e4571a0e4e46208d60ef402d4fc174...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. |
|---|