OpenTechnical

OT-2026-000089282

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000089282) never changes.

Identity and time

Publication numberOT-2026-000089282 · never reused
Internal UUID01a0ae9b-db01-7c45-b626-dda8e4d50df5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089282
StatusPUBLIC

Content hashes

Canonical text827e1d727e476c20790d0984dc633361f9c65c6a16fb4572bc6711b355fbc270
Markdownd5ffa161a34d12c162b9c139c17b9096020aee6ba0f79bbac3f9c989ffdb0927
PDF
Publication pagedc749cb36d4d4ea48b4eb45aff1d648e5b051dee7fab9de6eec87c39dcb0a285
Manifestbacb804f51a3f14af96e7c21f35b07f115737bac7f4d6124ec8c5c6929b11215

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
SignatureMEHNiCevljkMD7EMO933wVedhB9zQuZTnwTQ3kj+iOI9NrHo7IkyGf244YF8Rlaetv9DeNG0RxM+IWttp8y3BQ==
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

2026-09-17T09:47:19.623984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089282
observed dc749cb36d4d4ea48b4eb45aff1d648e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.606174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089282/manifest.json
observed bacb804f51a3f14af96e7c21f35b07f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.588891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089282/publication.md
observed d5ffa161a34d12c162b9c139c17b9096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.571792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089282/publication.txt
observed 827e1d727e476c20790d0984dc633361...
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.