OpenTechnical

OT-2026-000006352

Publication integrity record

Bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, plastic cups

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-2026-000006352) never changes.

Identity and time

Publication numberOT-2026-000006352 · never reused
Internal UUID01a0a957-ff6c-7782-94b9-0741c441465f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:31:51.665046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006352
StatusPUBLIC

Content hashes

Canonical textcefb85afdc068ea545dde33bf325f71c1b7162a94566c9a359e48e08d6d2d287
Markdown01aab7e48a5a63ab15356704e5b450c9ec765fac1cb346285df0d2299c5b7be7
PDF
Publication page18d03b7003c9b1c0ffbadee1f53f0ba9495d4044edcce3e4a463e572e85c757d
Manifesta16745a21a37b737468b20ea0932add8b165258b4eaabdccdcac2972184b721b

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
SignatureRXdTG7zbAFe83fsrY1fWniOeoeiKnVQsEBYwZWHtDxjVO710bl6vsompQJqCqft0T2nrmr5qzv/VK7wV6VXTCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:27.981897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006352
observed 18d03b7003c9b1c0ffbadee1f53f0ba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:27.968636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006352/manifest.json
observed a16745a21a37b737468b20ea0932add8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:27.956053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006352/publication.md
observed 01aab7e48a5a63ab15356704e5b450c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:27.942614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006352/publication.txt
observed cefb85afdc068ea545dde33bf325f71c...
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.