OpenTechnical

OT-2026-000084208

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000084208) never changes.

Identity and time

Publication numberOT-2026-000084208 · never reused
Internal UUID01a0ae98-5b60-7993-80df-1b1313820d37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084208
StatusPUBLIC

Content hashes

Canonical text42e3481bac1664ff61ad65be83d1f5ef7f132c3ff5521a51a3ec361a1ac7b517
Markdown8166b28b3a5d01d8751d05bd4192c3859f69f8b9d2fec9ebe9adc5c10850c40b
PDF
Publication pagefff06d34d970d6eadd70b30f95a59b7022ef2000837509fc522adf77d37dfa96
Manifestfefcc9eb0430cfd953a747958041a6c32847260c0d0f5e23f9c81de613e2902b

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
Signature9wRINHmYQ4Xj3KB9tPNujk+me2jzCjcWSUEOSHdxFavt0WW+U8aGyfVU7VxS5QJYO9qM6q5uYQM5kgBPZEjcAg==
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

2026-09-17T09:55:59.612301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084208
observed fff06d34d970d6eadd70b30f95a59b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.590732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084208/manifest.json
observed fefcc9eb0430cfd953a747958041a6c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.541704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084208/publication.md
observed 8166b28b3a5d01d8751d05bd4192c385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.462127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084208/publication.txt
observed 42e3481bac1664ff61ad65be83d1f5ef...
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.