OpenTechnical

OT-2026-000068652

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump 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-2026-000068652) never changes.

Identity and time

Publication numberOT-2026-000068652 · never reused
Internal UUID01a0ae90-2483-7e11-88a2-63bb9500809b · 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-2026-000068652
StatusPUBLIC

Content hashes

Canonical text18c9886183601776f2190bceb0ebb23866b19e92c3acdc5292f4b9f5ce664644
Markdown1eac68f938b963bfc2bcb8f536544b7e97de87468eaf480df7183f54ac554bf9
PDF
Publication page8ca594ef776ba6fdbb772db9bbd4df738b26c46d9121a19afe41f03f52d19956
Manifest8af54f6fb5e2b51d0e3e8bc6b7b6a01c2702898d74300487a512b569b9db074a

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
SignatureNt8k7Eytn9US9CMIDQZo4j9+LAI1Te9WAK+eyo7k+FBhrEph4HHSVOmkzoeYr87rPX1SE8YwABcLI0HnLXAsBQ==
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

2026-09-17T10:29:50.816770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068652
observed 8ca594ef776ba6fdbb772db9bbd4df73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.799660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068652/manifest.json
observed 8af54f6fb5e2b51d0e3e8bc6b7b6a01c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.782097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068652/publication.md
observed 1eac68f938b963bfc2bcb8f536544b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.756444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068652/publication.txt
observed 18c9886183601776f2190bceb0ebb238...
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.