OpenTechnical

OT-2026-000068810

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000068810) never changes.

Identity and time

Publication numberOT-2026-000068810 · never reused
Internal UUID01a0ae90-6dcb-703e-977a-79f73c16875a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068810
StatusPUBLIC

Content hashes

Canonical text3dcaeef1a1f8fdeda445a36d72857219db12daf5b6103256c817f3f00a66dec4
Markdown2186f0a5773871bfcf4e503a986d3aca9f5b00c90bc4ae8c673bf36dab852119
PDF
Publication page24534928a6e497ea4e89d29de80944626a53df28a748e5a0d05ebcaded94fb6f
Manifest71f22d3d91b09d2c29675e7254f78e8b65555ff98a8fd1e7e92c94fdefd22321

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
Signature/On253YNl9svL/vRmV5zyusOK+Xpql7EffZdlTQPfy6eU2T/HwnSX33moQRBx5wz51amNtj0/tUdQuSqgK4/Cg==
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

2026-09-17T10:28:36.699069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068810
observed 24534928a6e497ea4e89d29de8094462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.681829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068810/manifest.json
observed 71f22d3d91b09d2c29675e7254f78e8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.664684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068810/publication.md
observed 2186f0a5773871bfcf4e503a986d3aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.648222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068810/publication.txt
observed 3dcaeef1a1f8fdeda445a36d72857219...
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.