OpenTechnical

OT-2026-000089191

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000089191) never changes.

Identity and time

Publication numberOT-2026-000089191 · never reused
Internal UUID01a0ae9b-db00-723f-96b6-dfbe94d8fe8b · 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-2026-000089191
StatusPUBLIC

Content hashes

Canonical text58a187bea042a51c847dd08cfb6cdab8563775607054ae5d261b7b65b309cb36
Markdown4b09e3fc4f91c49db25fc739d7879d20ea70eebe43e4a5245c7203864cc9f637
PDF
Publication page857c6c14f79696070f0a98ab01bd6448e2cfdcb80942c1255df0d13174c12008
Manifest0325d33a4cf41560096c906bdc288691f7e17a154d890eb04117ad237e74c3f0

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
SignatureLaae/H+Mn7Ea158gv6oqE/uYuAJCucFS03Pv3eYroMumOlNwLKB6f70dh6kbWgeXHsbdURSjIJe8B/vmqsEbDw==
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

2026-09-17T09:47:12.435474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089191
observed 857c6c14f79696070f0a98ab01bd6448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.418808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089191/manifest.json
observed 0325d33a4cf41560096c906bdc288691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.402699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089191/publication.md
observed 4b09e3fc4f91c49db25fc739d7879d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.385296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089191/publication.txt
observed 58a187bea042a51c847dd08cfb6cdab8...
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.