OpenTechnical

OT-2026-000091638

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091638) never changes.

Identity and time

Publication numberOT-2026-000091638 · never reused
Internal UUID01a0ae9d-43b8-70a3-aef4-bac4cf2cdbf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091638
StatusPUBLIC

Content hashes

Canonical text3ea1134601be7cb6235990a3573aa6c084b8891c3328d15410bf4b75dda6d1b7
Markdownbdcc299941485db3985cd3f874c723e55c28802461842882e4a82b6c1898fac2
PDF
Publication pagef23924d27c6f13de9f186882d2d550eb127e86ec8de8b47e98c9a48f6fa7cdce
Manifest83c10f4517fd336f4e82fa3b3704b69eba36947309d759ab254ea5023b260c8f

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
SignatureMeuyq5Qu1iGaUn/ndMpRTT+Qgj8Ozp9IVkwCKkMYBMO8uHRqS8gcjlPdxfnRFD9UVg7jidRjaRZ36ouf+biLCw==
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

2026-09-17T09:42:00.289313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091638
observed f23924d27c6f13de9f186882d2d550eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.271715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091638/manifest.json
observed 83c10f4517fd336f4e82fa3b3704b69e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.252494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091638/publication.md
observed bdcc299941485db3985cd3f874c723e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.235713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091638/publication.txt
observed 3ea1134601be7cb6235990a3573aa6c0...
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.