OpenTechnical

OT-2026-000027029

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000027029) never changes.

Identity and time

Publication numberOT-2026-000027029 · never reused
Internal UUID01a0ae72-3453-7aa4-8858-8b8be4e5e70f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027029
StatusPUBLIC

Content hashes

Canonical text349d2e1510b3b59fcc29c83b93582ab58a9df868983b5375572a1c5544693d51
Markdownd0254e572e7bd6069be974445467ae010d8be2a0f7ba9b44da89dda04371e8a5
PDF
Publication pagec67be5309e98606f9815320f1992c3bfb5eb62543aeff3ce360057e7169b4a4f
Manifest039b77f6152d28ab965b76d914b608096d8d857ee635773cf97e93891a013141

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
SignatureD7TKL54OAG7e83lYY5on/oVUGmmsUOzBsRAh/VoU5JnaUjvD25PwxPxgkCSTAABt4XSi6VzcOcPi73a7ZUwkAg==
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

2026-09-17T11:43:46.899404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027029
observed c67be5309e98606f9815320f1992c3bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:46.883778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027029/manifest.json
observed 039b77f6152d28ab965b76d914b60809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:46.867629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027029/publication.md
observed d0254e572e7bd6069be974445467ae01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:46.851820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027029/publication.txt
observed 349d2e1510b3b59fcc29c83b93582ab5...
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.