OpenTechnical

OT-2026-000068557

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented after set-down, on a tool changer

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-2026-000068557) never changes.

Identity and time

Publication numberOT-2026-000068557 · never reused
Internal UUID01a0ae90-2482-71db-9628-8cbc8bd9efaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068557
StatusPUBLIC

Content hashes

Canonical text2e3617ca7de4308c01ae1a0ba09fea6843654ff960af1eaa2f8220a3351a7333
Markdown4f89ff9f069d93915e8814808466a3a46e300ab9df8ca86d0889eaead60e141f
PDF
Publication pagec4295e69ef70c8fdf4c29e3bc70bdcfe2edd2d274a1194881007bab557aa99f2
Manifestc6436308b8360c70b51d5e2eec93a586cb453d0b9f4de6fc68617d44ee6c2828

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
Signature1OfLq5URnNuel5243b5bOvZrKFdd9hazOdU9KxkDmet7784hnOLzGwIJF7RLXxCDSzZCIs8sE20yChm466M2AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:43.550319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068557
observed c4295e69ef70c8fdf4c29e3bc70bdcfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.532650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068557/manifest.json
observed c6436308b8360c70b51d5e2eec93a586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.514955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068557/publication.md
observed 4f89ff9f069d93915e8814808466a3a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.497619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068557/publication.txt
observed 2e3617ca7de4308c01ae1a0ba09fea68...
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.