OpenTechnical

OT-2026-000090118

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000090118) never changes.

Identity and time

Publication numberOT-2026-000090118 · never reused
Internal UUID01a0ae9c-428f-7585-8df9-dbbd8287dff8 · 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-2026-000090118
StatusPUBLIC

Content hashes

Canonical text152b695bf4b639d60681b2e5ed9fc9aeed8b026b7ddf2a2d69b64cf77db7816e
Markdown2caf651c90fb0cc57d24c25c7ea0750dfa29b6e41bf9dabe8c9ad5e2ead234d5
PDF
Publication page3b20ba124a97550b30842c39cd9ea91fa7a58fe810f095a732fa7166abacf4ab
Manifest992d8418584a72eb58c6426a217a3abdb61cea578bb47374996fdbe8e5b1856a

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
SignatureQ/xTWWi25xYrlqDjrQPEC0ZfmeMZ+sYP0nZXZXKH0JwOogU3WPn/FYFutZmvAlLn5TnYT2E0cWdiPNBRCvKYCg==
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

2026-09-17T09:45:32.898113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090118
observed 3b20ba124a97550b30842c39cd9ea91f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.881148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090118/manifest.json
observed 992d8418584a72eb58c6426a217a3abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.863541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090118/publication.md
observed 2caf651c90fb0cc57d24c25c7ea0750d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.846751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090118/publication.txt
observed 152b695bf4b639d60681b2e5ed9fc9ae...
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.