OpenTechnical

OT-2026-000090262

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000090262) never changes.

Identity and time

Publication numberOT-2026-000090262 · never reused
Internal UUID01a0ae9c-4290-7851-b8b7-c87755ed0314 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090262
StatusPUBLIC

Content hashes

Canonical text5d286de923728070ce3566b40adba58c3fa71f6f410deacc07b7fb3229fb2970
Markdownd9b52c56a94936a0d2520141f19bd2d2db6aa0aa465cdd993f04ffebde184b7f
PDF
Publication pagef08c8beb7e890aa544d732119fe7d3a90709b6aa456d116566f4a44c92228e6b
Manifest11d5d4d5d10bbd37414820fdc94db90fc1e5c925383819fffdb33258416a52a4

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
Signature01Qu3XrpUA12rJLPY4eqzOEd7W9ZOUwbg1Y/mjb+QF4Zxl4jiuAXQUjHQ7jfJqQ2ktecHXsX7ug0dZIhOhYZCA==
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

2026-09-17T09:46:20.395200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090262
observed f08c8beb7e890aa544d732119fe7d3a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:20.377686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090262/manifest.json
observed 11d5d4d5d10bbd37414820fdc94db90f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:20.358489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090262/publication.md
observed d9b52c56a94936a0d2520141f19bd2d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:20.341445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090262/publication.txt
observed 5d286de923728070ce3566b40adba58c...
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.