OpenTechnical

OT-2026-000092221

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000092221) never changes.

Identity and time

Publication numberOT-2026-000092221 · never reused
Internal UUID01a0ae9d-875a-7a81-be50-031b39e8e0b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092221
StatusPUBLIC

Content hashes

Canonical text2671896520646749b016064567c74780506c6854a21fd3862e97fef4226146be
Markdown6bad80470713c510a693d6f2759502fb2c95583d478d446a05d27df14bbbfce0
PDF
Publication page83c5950fb659a1effb4b649c967991932c91cc474c5b4e60be757295becacec8
Manifestb824db81bedd733a499a87ebac86b13faf6e742cf5a3c87c1c49b57c7cd95a39

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
SignatureeMHVpFFkALufu0vNQt522KL2AMVxIhUDX88RHT+mZvPZtKPfhz/dPfl1B+AggTC9oaqvYrbbTrI340i+yYiwBw==
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

2026-09-17T09:41:44.065509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092221
observed 83c5950fb659a1effb4b649c96799193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:44.048952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092221/manifest.json
observed b824db81bedd733a499a87ebac86b13f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:44.031212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092221/publication.md
observed 6bad80470713c510a693d6f2759502fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:44.013336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092221/publication.txt
observed 2671896520646749b016064567c74780...
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.