OpenTechnical

OT-2026-000086828

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000086828) never changes.

Identity and time

Publication numberOT-2026-000086828 · never reused
Internal UUID01a0ae9a-80a4-7278-892e-f5b5e974ab50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086828
StatusPUBLIC

Content hashes

Canonical text883ef13cf3a98914a21d5d8a24ea3412a1d2c781dc1882356bfac797dd675d2d
Markdown9f581be03e3372a7685b96f1b9a8ac11afc8f2b2fb0667ce56f85b79825b7360
PDF
Publication page227326375148e6294ffcc13612951b42e2b3a92859e02e3c585540a5b3658317
Manifestf73c84aee5a7e7392b18fc778b7668f273f96ad4b4ddabce4a848095915c49d6

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
SignatureJDZDiL5tf9ttt9idPa9twQ1VK+uD+byt/2RgDD7cL3wuIcZMHXyDRhWmiXmFdnChyTC/NU5H6rKYyRMyP5GwAA==
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

2026-09-17T09:51:39.292879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086828
observed 227326375148e6294ffcc13612951b42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:39.275356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086828/manifest.json
observed f73c84aee5a7e7392b18fc778b7668f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:39.256284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086828/publication.md
observed 9f581be03e3372a7685b96f1b9a8ac11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:39.235183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086828/publication.txt
observed 883ef13cf3a98914a21d5d8a24ea3412...
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.