OpenTechnical

OT-2026-000003888

Publication integrity record

Bellows cup vacuum gripper, three zone face, two outlet manifold, three stage ejector, pressure verified

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-2026-000003888) never changes.

Identity and time

Publication numberOT-2026-000003888 · never reused
Internal UUID01a0a90b-5d32-7b59-9890-cee42f1b5629 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:09.396565Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003888
StatusPUBLIC

Content hashes

Canonical textce6e54ab0a0065140767d36a33c7fb122241f0d7e5a2dc733557c6381d6f9110
Markdowna7a5569f0f3c206d496b29c28cd0071cf70e6ba0c9fb4452e746ed0e1ad2c4c7
PDF
Publication page358a33176ea9f1700fa786c6d6f3cf68157ef8db6772e106fc4bbb1bd3ceab41
Manifestefbdc4f81679dab22b1d98666a0e941a0817fe8862862837b444b0ef119b562a

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
SignaturegNsq6IuKVFvC77yVbXmuFo3hVajvAWkEqFSQyMrQJ00rMjdTf9p9d0+lrpBkCtlDRBOgBWEmyX1YONiCS9WtAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:14.211328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003888
observed 358a33176ea9f1700fa786c6d6f3cf68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:14.195364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003888/manifest.json
observed efbdc4f81679dab22b1d98666a0e941a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:14.179655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003888/publication.md
observed a7a5569f0f3c206d496b29c28cd0071c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:14.162076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003888/publication.txt
observed ce6e54ab0a0065140767d36a33c7fb12...
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.