OpenTechnical

OT-2026-000090687

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000090687) never changes.

Identity and time

Publication numberOT-2026-000090687 · never reused
Internal UUID01a0ae9c-7f30-7ead-883b-698e980c9301 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090687
StatusPUBLIC

Content hashes

Canonical textf4853237c8cbaf5ff140c80a00944e73ef114b741f08c178ee9fb6ea811b82ee
Markdown5a17fb68c486983d939020673b5b3d28ebe259a745038af4a91714aca371987a
PDF
Publication page46ba633620e26d8e0f49a431385a777e62cf283b416bccdc818a0d610fae6b6e
Manifest8d331305304b50b3a9f5a05b52d0d4335b0ab72b29e66560a04445c3d4475dca

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
SignaturecqSW/OREB3nEomQfeZMyzMBybjR4mmLnmz39hkwHwtroK0derGZn/C4yGU6lY/YEbtds1vCGpAQ4QEtXiql1Ag==
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

2026-09-17T09:44:53.188184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090687
observed 46ba633620e26d8e0f49a431385a777e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:53.172528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090687/manifest.json
observed 8d331305304b50b3a9f5a05b52d0d433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:53.153135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090687/publication.md
observed 5a17fb68c486983d939020673b5b3d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:53.134911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090687/publication.txt
observed f4853237c8cbaf5ff140c80a00944e73...
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.