OpenTechnical

OT-2026-000005822

Publication integrity record

Vacuum cup gripper, common isolation valve, plant vacuum fed, contact triggered

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-2026-000005822) never changes.

Identity and time

Publication numberOT-2026-000005822 · never reused
Internal UUID01a0a946-02dc-7b28-995f-20147398ae43 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:12:12.895573Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005822
StatusPUBLIC

Content hashes

Canonical text2f08a3398dd452732d69ee16e8548d0bda0d727ba69c17c89b7f0fc9be0d87db
Markdown777e62b6f325f828396bcb968f4160ce4ca0fc92952c6e54f6bb1c777e5fef91
PDF
Publication page16f09affb7e06539e1a13274dc6de10f75f0ca1d06734486352cdddbae054962
Manifest748f77b65337455ab72c101cd0823a1e44d98b143579090dc3289487392f7307

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
Signatureda4tG/OkcbZhbK2iN3vouT71P8/RS+JhxnmO/1t++RFd/wAlQLlf9RC6lHdR6eK14P3JJjqrNyBo7sYSctDYDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:28.736461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005822
observed 16f09affb7e06539e1a13274dc6de10f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:28.723109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005822/manifest.json
observed 748f77b65337455ab72c101cd0823a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:28.708969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005822/publication.md
observed 777e62b6f325f828396bcb968f4160ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:28.695638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005822/publication.txt
observed 2f08a3398dd452732d69ee16e8548d0b...
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.