OpenTechnical

OT-2026-000017498

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, 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-2026-000017498) never changes.

Identity and time

Publication numberOT-2026-000017498 · never reused
Internal UUID01a0ae6e-76ca-72d6-98f9-d64a1d0f1390 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017498
StatusPUBLIC

Content hashes

Canonical text941bb698f50ce07592ba5228965f65714bac2ccaba8921368054bc0421111dcc
Markdown0e7e8e19e386ae5f68bf2e5bb3d28a6f343e289ce9cae50835dd11d5436a65f1
PDF
Publication pagec6c354b8c9ce470f1757ed4200b7a6f324296fb70a62ef78fc2a71a53a7149c8
Manifest11cdc46ce4fbb29afb8c2f404480082ed61b1d819adf3cd2f2d20de87e3c0036

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
SignaturejQc8XWe6b28M5yYXqlanZkPLwGk/Y87pNeoG7QxScgSU0bGCUiw/U/G8H+176UsIzQfAuSQ43+i0iLJAp60pDg==
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

2026-09-17T12:02:39.098067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017498
observed c6c354b8c9ce470f1757ed4200b7a6f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.080179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017498/manifest.json
observed 11cdc46ce4fbb29afb8c2f404480082e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.050815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017498/publication.md
observed 0e7e8e19e386ae5f68bf2e5bb3d28a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.022621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017498/publication.txt
observed 941bb698f50ce07592ba5228965f6571...
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.