OpenTechnical

OT-2026-000093274

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single 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-2026-000093274) never changes.

Identity and time

Publication numberOT-2026-000093274 · never reused
Internal UUID01a0ae9e-0911-7d03-be0a-f55b16e233d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093274
StatusPUBLIC

Content hashes

Canonical textbac186d956d673a788b5ad004e76517ee91dffe068c7802736faf5fb33a8f0c8
Markdown4e260c56a5c88861f5a7402d12d413d4f8647117db28e1c78fcb7c1f62a78992
PDF
Publication pagea651acbef16911273d83db037c2a23081a3b6ad65fe8fb530fbd0e6ce4cb7c8c
Manifestca41ca80d86fe464d2b9a1cb4c58b45747c576377f1fe7f0c44b19701c220648

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
SignaturetU+jp8xjZxKCTnZO6/oJaKJCVYv6Tsowgws0rQ7caCrFh3hzJeTVZ/3PmBa3G+B3UWt3exzfBVWg9qiirW/eBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:38.603006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093274
observed a651acbef16911273d83db037c2a2308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:38.584636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093274/manifest.json
observed ca41ca80d86fe464d2b9a1cb4c58b457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:38.566401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093274/publication.md
observed 4e260c56a5c88861f5a7402d12d413d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:38.549478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093274/publication.txt
observed bac186d956d673a788b5ad004e76517e...
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.