OpenTechnical

OT-2026-000091790

Publication integrity record

Foam pad vacuum gripper, two zone face, six 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-2026-000091790) never changes.

Identity and time

Publication numberOT-2026-000091790 · never reused
Internal UUID01a0ae9d-43b9-73bb-a206-8f35e7976ca3 · 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-2026-000091790
StatusPUBLIC

Content hashes

Canonical textc80b0cc3c24bbb472e5fbd4af5c264a843e9d0ee5cb5976f4a4d34f9503bce4f
Markdown97f99864e2738655cbd287540fedc22af372807f9e800ca33ae74337532a5c5e
PDF
Publication page9adabc9efcb3d7c77e9d31f004367bd30c84451723d75d49c249fddf09670e83
Manifest8626a7229e7274d0caa7686297e6d92c037ace8dd055994da7a9305eeb79291b

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
Signaturett8r1LGhvb1fchzO061TMbXY9GBTUWSTDLxcdytHnM0j+Q2UGS5ggFszdWTo2snRXshatr08Y2LzCf1Kx7gWDQ==
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

2026-09-17T09:42:41.315161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091790
observed 9adabc9efcb3d7c77e9d31f004367bd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.299147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091790/manifest.json
observed 8626a7229e7274d0caa7686297e6d92c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.281672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091790/publication.md
observed 97f99864e2738655cbd287540fedc22a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.266121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091790/publication.txt
observed c80b0cc3c24bbb472e5fbd4af5c264a8...
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.