OpenTechnical

OT-2026-000033357

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000033357) never changes.

Identity and time

Publication numberOT-2026-000033357 · never reused
Internal UUID01a0ae75-8980-78e0-8e08-471d9d057ff9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033357
StatusPUBLIC

Content hashes

Canonical text31a7c83734046b56acdc7bb70d231c119aa15d26f30953cc2e50577b1f7936d9
Markdown09380b107ac4128df784a3625393e3ccf786984602054f03b5cab1be74ea4105
PDF
Publication pagea334fcd85948fdd0831217ee49acc5e7f4d27a557b46398673d4ce62e96f8cf0
Manifest454fff9c7527bcbade10a595d0f1f633812d325af5b581724349f533f2b8768f

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
SignatureMlDFOYQif6AY1pWcMv9vl5/yBi0jhFuvXZH1fUjj+aZcmEc9USersaUmUZT4+bHrL6YAmHW89eEVR034Ho1XDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:07.320209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033357
observed a334fcd85948fdd0831217ee49acc5e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.301250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033357/manifest.json
observed 454fff9c7527bcbade10a595d0f1f633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.283638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033357/publication.md
observed 09380b107ac4128df784a3625393e3cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.255703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033357/publication.txt
observed 31a7c83734046b56acdc7bb70d231c11...
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.