OpenTechnical

OT-2026-000068542

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000068542) never changes.

Identity and time

Publication numberOT-2026-000068542 · never reused
Internal UUID01a0ae90-2482-783f-a026-e57a6ac92974 · 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-2026-000068542
StatusPUBLIC

Content hashes

Canonical text3db7bc94dcdb472766ca79b74a8c50394aebad759a13dccfcaba0b201a2de10e
Markdown95ff85a6a2121a7dba39284bc3b41e0667c42a68d49a9b6ae98037408ce235d1
PDF
Publication pagede57f8773fddf44a37abd44bc766e61854102584e9ce8ad382a0faa055e64d13
Manifeste3b823e7f68f0266db362076893d23ee3d60f0e5e77fd21a1292706301513822

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
SignatureufF/iybDNfj8AuLHlB0RnrnOxqjrL8I6KeEost9C9zIv94QVU/vzyjuXQ2oMaqQvoNM5iWkbpRX91HiXvSzLBg==
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

2026-09-17T10:29:42.532388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068542
observed de57f8773fddf44a37abd44bc766e618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.515859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068542/manifest.json
observed e3b823e7f68f0266db362076893d23ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.498252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068542/publication.md
observed 95ff85a6a2121a7dba39284bc3b41e06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.481301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068542/publication.txt
observed 3db7bc94dcdb472766ca79b74a8c5039...
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.