OpenTechnical

OT-2026-000088987

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, 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-2026-000088987) never changes.

Identity and time

Publication numberOT-2026-000088987 · never reused
Internal UUID01a0ae9b-8f11-7a3f-98bd-8ad49f6b56cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088987
StatusPUBLIC

Content hashes

Canonical text67572ea9aa49be759cd7b454813d94339a92703db885c2646dabac62bff04dc6
Markdown261c7349c07222e194bbef70f4fa802205f2fa95773ba712b48763074aba4636
PDF
Publication page14a545631d2e73ae3634da5c58df1904ecce34bd64e0a7854d51980f8ed1499f
Manifestc8958830ae4d3721ef65a6550a33b640077044d7d2a65889224c4f0419bce89b

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
SignaturegbvQ60KFglT2B1WK4jpxX9oYYn0EGJ3QNtECIl1GiySfY1sD5k/UDfhYk/fBYkYkyL+T4qmSe2QNgkNtfts6Ag==
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

2026-09-17T09:48:29.193324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088987
observed 14a545631d2e73ae3634da5c58df1904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:29.173949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088987/manifest.json
observed c8958830ae4d3721ef65a6550a33b640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:29.155001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088987/publication.md
observed 261c7349c07222e194bbef70f4fa8022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:29.135099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088987/publication.txt
observed 67572ea9aa49be759cd7b454813d9433...
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.