OpenTechnical

OT-2026-000068634

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000068634) never changes.

Identity and time

Publication numberOT-2026-000068634 · never reused
Internal UUID01a0ae90-2483-7e60-85fa-ea65c0660fac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068634
StatusPUBLIC

Content hashes

Canonical textd5a8bbc72c042e63912897e51d7ce08439f247032ed98ba45aac7d0495be9fa4
Markdown884230021683839eb3f4eaa98d69da20656e8895ca7cb4405f71119124cb8b9a
PDF
Publication pageca40399df0fd9402f89614c70d3cf7d930e8f3d54fcd747c78a5a77f64d04339
Manifestea6467b5e345329b80d454fd182da421612cc8fc7ba8712ac66f5ec52b32b64c

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
SignatureuNu/+FPfoJ2kdHYtNBQQzVYLtqZQUfZuaSdjIqSfGxChJBlGV6bNZ8N9hqaBehVzRztVXHBfRdenSdoLteUGDA==
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

2026-09-17T10:29:49.369611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068634
observed ca40399df0fd9402f89614c70d3cf7d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.352083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068634/manifest.json
observed ea6467b5e345329b80d454fd182da421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.335950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068634/publication.md
observed 884230021683839eb3f4eaa98d69da20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.318886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068634/publication.txt
observed d5a8bbc72c042e63912897e51d7ce084...
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.