OpenTechnical

OT-2026-000050357

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000050357) never changes.

Identity and time

Publication numberOT-2026-000050357 · never reused
Internal UUID01a0ae82-5c47-7cfa-b748-260654ffe64d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050357
StatusPUBLIC

Content hashes

Canonical text69e3093deed886b0f731a03f52271ecb15b070c95febbb77f3e64309e539df08
Markdown21174229b6bc3b857c1dfacf3ce749716f361e911d26f161e6dec96ba9ab5354
PDF
Publication pagec52ed8f4e250c98a8b950e97a132984ba13593255019dee119b6e08dd719f75c
Manifest756b83dd75385cfcb7036b59b3fbc4537afaa8ef61cb5dab3ec3ce56ab806afb

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
Signaturecff68b8ujPSCxy9XPSaEAiyWA9l7sDfigVu1ZRjod3Bbvk/bfIplyDhyfbZPRQct/8BAqLFuduxU3osEE09GDg==
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

2026-09-17T11:01:23.348251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050357
observed c52ed8f4e250c98a8b950e97a132984b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.332687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050357/manifest.json
observed 756b83dd75385cfcb7036b59b3fbc453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.316964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050357/publication.md
observed 21174229b6bc3b857c1dfacf3ce74971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.297339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050357/publication.txt
observed 69e3093deed886b0f731a03f52271ecb...
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.