OpenTechnical

OT-2026-000005535

Publication integrity record

Vacuum cup gripper, six outlet manifold, pump fed, pressure verified, contact triggered, rubber 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-2026-000005535) never changes.

Identity and time

Publication numberOT-2026-000005535 · never reused
Internal UUID01a0a93c-4fc6-7fe0-9664-f37a21c02958 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:01:37.226167Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005535
StatusPUBLIC

Content hashes

Canonical textd084a3d18c001a157efbc71029d12dc19e15c3db29efb0e65bcbcaab12651902
Markdown7883dd38f08443af23186ed7e269592c0aace636306d0e5d396b5a13660c6954
PDF
Publication pagea00df9b0783be7ecd8287d2755b07f11bf01167a83e92bff0b7dc47b05f2a309
Manifest22a4c133b85ea02b5dbf344b8b9f93fc0c8ac4271eeabd35d8a3ca4869893540

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
SignatureJ3BhIMkSUOild7oz21DzCf4ChuGMLbJHMJYpgYP0Hfn6bze4GTGaCQLjtrk00clyq61BRgYLgAak9/bb4dmZDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:29.444601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005535
observed a00df9b0783be7ecd8287d2755b07f11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:29.429914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005535/manifest.json
observed 22a4c133b85ea02b5dbf344b8b9f93fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:29.417025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005535/publication.md
observed 7883dd38f08443af23186ed7e269592c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:29.403762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005535/publication.txt
observed d084a3d18c001a157efbc71029d12dc1...
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.