OpenTechnical

OT-2026-000007058

Publication integrity record

Vacuum cup gripper, common isolation valve, six outlet manifold, pump fed, pressure verified, rubber cups

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-2026-000007058) never changes.

Identity and time

Publication numberOT-2026-000007058 · never reused
Internal UUID01a0a971-2012-7884-ae57-536f224f6d32 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:59:18.421029Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007058
StatusPUBLIC

Content hashes

Canonical text58e2d06c8f44eda8061018a701a31b2777919eea053ebcedfcb4b453cb0b1d0a
Markdownec942a065332057befb322794a3cd2286aa00c989bc1c86b81135e8b1b8f99f1
PDF
Publication page1b1f143c290b06dc9c638dfd5c71791e56c28ef3cc133a27e9b34bd13095e00e
Manifest6df5ed267e093008d6387cfc5967c7887e0ea53ffd053b7522d0706c2e51e512

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
SignatureoaL0C38eYRiALtNiz3fVaUYilUBYQGe68t+cyxJBAqN2ByrEtK3mLlIY0+YYbgvILmG21mhsrMQwd+b4J2rWCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:06.748176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007058
observed 1b1f143c290b06dc9c638dfd5c71791e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:06.733720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007058/manifest.json
observed 6df5ed267e093008d6387cfc5967c788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:06.719785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007058/publication.md
observed ec942a065332057befb322794a3cd228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:06.705387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007058/publication.txt
observed 58e2d06c8f44eda8061018a701a31b27...
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.