OpenTechnical

OT-2026-000092638

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, sustained 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-2026-000092638) never changes.

Identity and time

Publication numberOT-2026-000092638 · never reused
Internal UUID01a0ae9d-b5ff-71c2-98da-263a5b77df9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092638
StatusPUBLIC

Content hashes

Canonical textec25dcac7483a4cbfa72d53c31de96c00e5d6694c1e6e97eeea5c1670b90a6c1
Markdowna4a567031c20ce983c0230b2d6c3256c8ef9526574c6872abb197204d63ef264
PDF
Publication pagebc5d1745bb95c28de9dfdf74d84e85693f65dfc7844c90dd21be6a792abb03c1
Manifest7f22e3c7ea4039d144f9a528152b15f05c93c62591d64d1cf60ea1f1dfdba104

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
Signature+QtsjxPfAYM73KmNMdjq/FEZCfDLShzWyAPhzgX3/crlLkAwY5TjOyONl1k9UX/7+yGHTaMVScpi3V0oGowTCQ==
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

2026-09-17T09:41:14.417367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092638
observed bc5d1745bb95c28de9dfdf74d84e8569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.402295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092638/manifest.json
observed 7f22e3c7ea4039d144f9a528152b15f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.386622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092638/publication.md
observed a4a567031c20ce983c0230b2d6c3256c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.369794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092638/publication.txt
observed ec25dcac7483a4cbfa72d53c31de96c0...
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.