OpenTechnical

OT-2026-000014268

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000014268) never changes.

Identity and time

Publication numberOT-2026-000014268 · never reused
Internal UUID01a0ae6d-b279-792b-9334-3d6c7c3354b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014268
StatusPUBLIC

Content hashes

Canonical text6ad52886a4e88730e1fddfc491d6ec848dc8afbd9ca2670e3c603b98283fad36
Markdowna8905e38eb88a775cbe9f595769fcf107dffcf325bb7bfdd63e0802627c1b3dc
PDF
Publication pageec65072136aab76c699f39506b99d0f5ec520115751017cfcaca0f2b556a6475
Manifeste43a212347ce5058d276c9891603f16e2b14ccb5d54a6ac19e89382c076217ab

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature8KWQj55PU59Fg6/JIBprYtOQxiykGXbnlR6c92EwXsQSgXvAPopA7taQqOBhIRjPfWOZZfSyk9TUhPAKjLqOBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:07:28.685844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014268
observed ec65072136aab76c699f39506b99d0f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:28.664490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014268/manifest.json
observed e43a212347ce5058d276c9891603f16e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:28.645049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014268/publication.md
observed a8905e38eb88a775cbe9f595769fcf10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:28.625112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014268/publication.txt
observed 6ad52886a4e88730e1fddfc491d6ec84...
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 archivePending 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 packagePending Custody packages are produced weekly.