OpenTechnical

OT-2026-000066867

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000066867) never changes.

Identity and time

Publication numberOT-2026-000066867 · never reused
Internal UUID01a0ae8e-ce43-7d1e-839f-da778443707a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066867
StatusPUBLIC

Content hashes

Canonical text6d1ff3e761ee8eae59040c6a1fa3baa2b3367e33663f55649be7444b3b4d5e26
Markdown950ec6734240ecb1d05138e502144d72d9466244594f5eb01ead6456a98d58cb
PDF
Publication pagebb56a11374cc5a03c2cf95946d2bbb5a1cc1332b7347cef15033caaf889274c8
Manifestc73b400a532373118411bf5ab5e61d0dded3c86a5c7bb810768416147ebd35c3

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
SignatureJd9Jey7jfcilCKvBhgWkQqLtIQ7GsWyGtoUApwfEcb4Qj5CCSEXprQKhQ/LNMjhoKNzdKPNXeMO/hZWhHefHBQ==
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

2026-09-17T10:33:18.648233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066867
observed bb56a11374cc5a03c2cf95946d2bbb5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:18.631541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066867/manifest.json
observed c73b400a532373118411bf5ab5e61d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:18.610407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066867/publication.md
observed 950ec6734240ecb1d05138e502144d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:18.590311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066867/publication.txt
observed 6d1ff3e761ee8eae59040c6a1fa3baa2...
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.