OpenTechnical

OT-2026-000089985

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000089985) never changes.

Identity and time

Publication numberOT-2026-000089985 · never reused
Internal UUID01a0ae9c-428e-79f9-95ad-131d840859f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089985
StatusPUBLIC

Content hashes

Canonical text76a97e2fffa44a4e3f96e33ec45ecae87643040b37862be1d621bd6e316f242c
Markdown91a144d88da3fff5cbe2220e770f9924cc125e9bc4c6dc55106c4a78b28f8de2
PDF
Publication pagebb5ed173cf1841a780c49921d1bda649100db1af3d2fa12cbaa838dc9eae14d8
Manifest9eab88ac1399625393c9343261ddb6dbf8069c499a2b3acfe8f145bf1e113969

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
SignatureEFZaTn1ZjeUeCwmpW1+fXD6MrMHjnOb3q6Q/9980vN0p0t2iP8Ru9apkQMDZpuhHk2o3sq5eywKTGymlqoqGAg==
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

2026-09-17T09:45:22.491309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089985
observed bb5ed173cf1841a780c49921d1bda649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.473484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089985/manifest.json
observed 9eab88ac1399625393c9343261ddb6db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.455753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089985/publication.md
observed 91a144d88da3fff5cbe2220e770f9924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.435821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089985/publication.txt
observed 76a97e2fffa44a4e3f96e33ec45ecae8...
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.