OpenTechnical

OT-2026-000068165

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000068165) never changes.

Identity and time

Publication numberOT-2026-000068165 · never reused
Internal UUID01a0ae8f-c4ff-7851-bcfa-4553ed5601d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068165
StatusPUBLIC

Content hashes

Canonical textb11a6a5b6edfc2192d7c950f6645cf560371f0bdba6aa379784b8c2d07371fbe
Markdown0a8c1168d0b9e45cff1c6c539d645de05c07c1a550ebc3bb76b1e47dc9f0f6a5
PDF
Publication pagec77179c9d974effe68713cfa59d2b09badfef475bb14bdaf430952a3c33efdb0
Manifest3b1503f365740bebef2b43765048b9ce0bdb38aee85c790df902395ab00db9fc

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
SignatureSf6bZWwSPH6YM8zS1eqI+Eux//fHckkl35VGA0vG00QCNvZtDkOvgVV2MBMioIZCKgqakVlx7bZ8PlUVRKymAg==
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

2026-09-17T10:30:49.196994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068165
observed c77179c9d974effe68713cfa59d2b09b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.178204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068165/manifest.json
observed 3b1503f365740bebef2b43765048b9ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.161697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068165/publication.md
observed 0a8c1168d0b9e45cff1c6c539d645de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.144850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068165/publication.txt
observed b11a6a5b6edfc2192d7c950f6645cf56...
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.