OpenTechnical

OT-2026-000005712

Publication integrity record

Vacuum cup gripper, six outlet manifold, plant vacuum fed, pressure verified, vented 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-2026-000005712) never changes.

Identity and time

Publication numberOT-2026-000005712 · never reused
Internal UUID01a0a942-4bf1-796d-9700-d6fe12b8f5ae · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:08:09.460970Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005712
StatusPUBLIC

Content hashes

Canonical textb49144496bfe63dcfee6203193d824dab48c36e887f32d97085e9333c11b934a
Markdown8e82e066cedef7b622268af753ac7adce647c0e3c9e6132499f4dc926ebf5a4d
PDF
Publication page7463847ff7f45905ce90b55ee875af56770ab991809fb649b7c40547b55f1158
Manifestaef12da8b2f5898fae3b6f3e21fc059ace13040d7f1fb3be31609061b42e5ab1

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
SignatureQ+52xa0VbJqdLa4qoI0PNCT5QPa2oRkRRZl7XMoXMKnq7F2n8nZ6xA+S3T93/7aCFkqVauJyoT94pYF4LAXnDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:08.691801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005712
observed 7463847ff7f45905ce90b55ee875af56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:08.677942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005712/manifest.json
observed aef12da8b2f5898fae3b6f3e21fc059a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:08.663354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005712/publication.md
observed 8e82e066cedef7b622268af753ac7adc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:08.646109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005712/publication.txt
observed b49144496bfe63dcfee6203193d824da...
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.