OpenTechnical

OT-2026-000018206

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000018206) never changes.

Identity and time

Publication numberOT-2026-000018206 · never reused
Internal UUID01a0ae6e-b488-7c5a-8d65-cf1f07224c6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018206
StatusPUBLIC

Content hashes

Canonical text006e9c1110b6a899d9f19fa8a681aab2ef5b001f67ac20009a48dce44142eccd
Markdown62b8bbfb98311d10dd1b27fa1b3bd78343f9ecc5267badf8d430df2c408d1ce3
PDF
Publication page3cfc5fd2940e0fdeae42615c57a4c5267589eb698375e5da3cd3dbbed2ca4dc3
Manifest171529203436b0482e396bd19a19f81cc261298bd2c1c56cd2b27947e97ed3a6

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
SignatureUG4alSocb+WH1lc45X1hTPqD91M1c0ugu4PkSrRE8QlFVwK0FPB3pqmdZ1ixpZdFG36L2fWy4Pnu7CVl1y/9Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:59.670626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018206
observed 3cfc5fd2940e0fdeae42615c57a4c526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:59.651891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018206/manifest.json
observed 171529203436b0482e396bd19a19f81c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:59.634310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018206/publication.md
observed 62b8bbfb98311d10dd1b27fa1b3bd783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:59.616191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018206/publication.txt
observed 006e9c1110b6a899d9f19fa8a681aab2...
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.