OpenTechnical

OT-2026-000091960

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091960) never changes.

Identity and time

Publication numberOT-2026-000091960 · never reused
Internal UUID01a0ae9d-43bb-7e23-8862-c8dcacc1d511 · 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-2026-000091960
StatusPUBLIC

Content hashes

Canonical textb3bd2db3bb1abfe426f9c24451dda2dcbef89b1c13a5ddc2a2244e921ce8f117
Markdowna42d91e218b1309299d5e6696d41142c8d25e1bc77c021a13018ecb39c9fbfe4
PDF
Publication pagedc16bd383a52ccfa51e48e5252308c0ff2aa7672b0c5d71e34a89f020afed52d
Manifest6ff0effbe5f3550029a1d18619765a02c0c6395c7458a21f8cdadaef3488df0d

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
SignatureOWVoKYjvf6JxgRDbqptj/O+PZDQy72PgELlkcsT0y218D+2oN8f131wvB2z1dnm0pSadn7yQ4922rkwiKHAvCA==
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

2026-09-17T09:42:54.722366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091960
observed dc16bd383a52ccfa51e48e5252308c0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.700111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091960/manifest.json
observed 6ff0effbe5f3550029a1d18619765a02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.683328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091960/publication.md
observed a42d91e218b1309299d5e6696d41142c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.666153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091960/publication.txt
observed b3bd2db3bb1abfe426f9c24451dda2dc...
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.