OpenTechnical

OT-2026-000018470

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000018470) never changes.

Identity and time

Publication numberOT-2026-000018470 · never reused
Internal UUID01a0ae6e-b48a-7756-8fb5-8cecb66e34ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018470
StatusPUBLIC

Content hashes

Canonical text7b65e1ab629d6e2b4b6137e724a892ed772a798fd5df8d06dbdb868138a29795
Markdowne1fbdac8b5781d0c527072efe0dc6df11e7d1db233b06c96fe44e8a5fb76974c
PDF
Publication page210106ffe673972d91ade6f19acd38b408cd02508bfb4527e13785a57aaef54c
Manifest29a84a20d28108adafccf9d77a62f3267b515b8992465bcf0460c0305b3e52b3

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
Signature61L6zqzeebuf3Or8HpQgZNdHo0iRpx9CHOzJ3uZl0stJ+/WTM7mxzQw/GX+5Fw1UQdTdz6edMdNRCYPRAUm3AA==
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

2026-09-17T12:01:13.957944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018470
observed 210106ffe673972d91ade6f19acd38b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.940010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018470/manifest.json
observed 29a84a20d28108adafccf9d77a62f326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.923406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018470/publication.md
observed e1fbdac8b5781d0c527072efe0dc6df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.906217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018470/publication.txt
observed 7b65e1ab629d6e2b4b6137e724a892ed...
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.