OpenTechnical

OT-2026-000062438

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000062438) never changes.

Identity and time

Publication numberOT-2026-000062438 · never reused
Internal UUID01a0ae8c-0ac0-70bd-8c78-d8ae0badee1d · 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-2026-000062438
StatusPUBLIC

Content hashes

Canonical text9376d3f2183937b25fc0a54907cf017ddfe79693e1c3380dffd76a931be48d95
Markdowne7879a88f6c3d41807ad4bd8c9caf0a98a1babfdbd7c6f1f1bf76975f964b1ae
PDF
Publication pagecc9024beea9be43fb632645658bf25e49a4135cc1860b83b83c6494cfb459c71
Manifest22b3bdd87767a1f1758890c52a42d3834c6819e2c849cb38ced188d7fcaf9c88

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
SignaturecVGVwVVwSM/m8o0JNxU6WEwrOMvCBMg+szvWbuUEqBtSN1uF70jlG8/MHHNXsWkOcUZCWtUgIHiUMpFOMO8oCw==
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

2026-09-17T10:39:46.650922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062438
observed cc9024beea9be43fb632645658bf25e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:46.633489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062438/manifest.json
observed 22b3bdd87767a1f1758890c52a42d383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:46.612721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062438/publication.md
observed e7879a88f6c3d41807ad4bd8c9caf0a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:46.593833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062438/publication.txt
observed 9376d3f2183937b25fc0a54907cf017d...
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.