OpenTechnical

OT-2026-000048158

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000048158) never changes.

Identity and time

Publication numberOT-2026-000048158 · never reused
Internal UUID01a0ae80-4de2-7725-b633-a7a77ae71dc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048158
StatusPUBLIC

Content hashes

Canonical textc2c1d43fb1e2f615d41d28c17911c6f2b402a9262e31d2cddc99d6c5d9114f62
Markdownd945c7918fe042cb341b7cfb083698764b42ad8ef809d9417504811694c87160
PDF
Publication page53ebe7a7e275bedcbb68f97b475d67c7ca875eacc08732218a48b65b7b8e7445
Manifestb9fef804758d04dea70309ce4ff8b6c6f4ec7f78972fe193653ed422b742ba04

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
Signature0umJ1sJIxGKQSAMJMG07Xm4rxOUzB1etjuYYRfMowzRgiLb0Xnt4QZ/wx25LWcKTX7zISrC8kd8KjbBGIO8DDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:04:41.174422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048158
observed 53ebe7a7e275bedcbb68f97b475d67c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:41.155458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048158/manifest.json
observed b9fef804758d04dea70309ce4ff8b6c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:41.136197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048158/publication.md
observed d945c7918fe042cb341b7cfb08369876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:41.117488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048158/publication.txt
observed c2c1d43fb1e2f615d41d28c17911c6f2...
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.