OpenTechnical

OT-2026-000062322

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000062322) never changes.

Identity and time

Publication numberOT-2026-000062322 · never reused
Internal UUID01a0ae8c-0abf-7316-a8df-bd55af747fb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062322
StatusPUBLIC

Content hashes

Canonical text31bc77536900aabf9d98e2edda6e3dc6d94cebbf57a54065ac519a400b389c32
Markdown2d44fcbde218b47df97a7da646f6fb929a930ee9f753380ccf7b4534e55f1fcd
PDF
Publication page146d4e90ee81513fc11903ba056b6c6c302091583983445d655450f72e6a4651
Manifest008cc19120795444190f776747d4dcb033766dd3e5e96a406b867f2ee6d03fec

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
SignatureH2KEcRtn1DoH0zfS+8etu5QfYeVtHom/OwfCzBqPdZpvTGJH8m1Ky0QdozYmwbIlQubFUyXbLxYE1GHQ4tZ6DA==
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

2026-09-17T10:39:37.637464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062322
observed 146d4e90ee81513fc11903ba056b6c6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:37.618162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062322/manifest.json
observed 008cc19120795444190f776747d4dcb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:37.600036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062322/publication.md
observed 2d44fcbde218b47df97a7da646f6fb92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:37.581660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062322/publication.txt
observed 31bc77536900aabf9d98e2edda6e3dc6...
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.