OpenTechnical

OT-2026-000007397

Publication integrity record

Bellows cup vacuum gripper, two stage ejector, pressure verified, pulsed blow off after set down

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-2026-000007397) never changes.

Identity and time

Publication numberOT-2026-000007397 · never reused
Internal UUID01a0a97d-4f4d-7584-930b-5b6e16b5446a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:12:36.944507Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007397
StatusPUBLIC

Content hashes

Canonical textc6359721a77cd269308fc6605084c9d08cbcfa6155656d9ef96277fe8170c04f
Markdowndf8c81de76032a673be24ffebfcff2f8ef2341d27676230e792fe8400c7d3e17
PDF
Publication page948055e622fc5efc6932fd047df0a42d593d6dad7bd85cdf47c38a8b5a058036
Manifestb79adeda82109aade39c75b5eee6a9e4c65bb72954dcef556c355fb83bbbb7a0

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
Signaturec9bWzeWKMwYmli/C1rfkc/rfUqHcX2fRHbMibcZ/FhUVMsVCw+wIkH49ucMt7KDda4EvFmEoyYUOg5qzlhjYDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:07.693871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007397
observed 948055e622fc5efc6932fd047df0a42d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.680622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007397/manifest.json
observed b79adeda82109aade39c75b5eee6a9e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.666217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007397/publication.md
observed df8c81de76032a673be24ffebfcff2f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.648654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007397/publication.txt
observed c6359721a77cd269308fc6605084c9d0...
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.