OpenTechnical

OT-2026-000017325

Publication integrity record

Single cup vacuum gripper, common isolation valve, two 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-2026-000017325) never changes.

Identity and time

Publication numberOT-2026-000017325 · never reused
Internal UUID01a0ae6e-76c8-7188-a589-37a43574354b · 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-2026-000017325
StatusPUBLIC

Content hashes

Canonical text34a12429c7ac3518704dbcc00d8504e2ce870e2f775f0f09de2ab9b6c674502d
Markdown4563c1259f8daee9f096f9c7db58dac723636027b29c594cf34bfda04eba2196
PDF
Publication pagecf02459419090801aebb002b54d7e002269d5fea31525fb5d4a57018e677b197
Manifest3d510cd82471919a3cb064c9370457f0220d2f968aa219aa93b49bc75b9745e2

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
SignatureJEL58vD/zKR+80o1B9iIz2znAgUKseg/2LCeK+nbBGiUlUGceYfL4fwswbriFPvG2HMwbmfftIkdVCpxZ3i6Cg==
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

2026-09-17T12:02:25.825381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017325
observed cf02459419090801aebb002b54d7e002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:25.808665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017325/manifest.json
observed 3d510cd82471919a3cb064c9370457f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:25.792610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017325/publication.md
observed 4563c1259f8daee9f096f9c7db58dac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:25.776904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017325/publication.txt
observed 34a12429c7ac3518704dbcc00d8504e2...
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.