OpenTechnical

OT-2026-000017333

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-2026-000017333) never changes.

Identity and time

Publication numberOT-2026-000017333 · never reused
Internal UUID01a0ae6e-76c8-7b91-9aac-df9f1a212576 · 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-2026-000017333
StatusPUBLIC

Content hashes

Canonical texteb1a9278877d79878fabfada0f4ea4d28a7c1d2b11af099cef4eb1d53e5ab5b5
Markdown01636af420c708f02458cae2a9298007dbaa20885589639147626e3e0db1f8ce
PDF
Publication pagede0e5d3a61b34c51a6dbae25c524c38728640bb135ac3661f9746e2a7b5906c0
Manifest03924fdf8cfd7d2554846f0bbda7a21ef63e8e7db7f1def5e40699370eb04799

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
SignatureKXw8sH6DMGVXO9RjsyeKZ5f0okUU/ETyuWDOwS7zn08DHyPwIuLXYehVlfWQvnjEo9slEs2kkhXJzt+lPSVPAA==
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

2026-09-17T12:02:26.403823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017333
observed de0e5d3a61b34c51a6dbae25c524c387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:26.386441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017333/manifest.json
observed 03924fdf8cfd7d2554846f0bbda7a21e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:26.370666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017333/publication.md
observed 01636af420c708f02458cae2a9298007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:26.355304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017333/publication.txt
observed eb1a9278877d79878fabfada0f4ea4d2...
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.