OpenTechnical

OT-2026-000095832

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000095832) never changes.

Identity and time

Publication numberOT-2026-000095832 · never reused
Internal UUID01a0ae9f-fac6-7873-98b8-2ea9c4dee8fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095832
StatusPUBLIC

Content hashes

Canonical textcc147a25fbb9aea6ccb53998220cd980c4fc511da305db461e142f6c8c13ad7d
Markdownd87079f3672628c7951b25609945657f8e10825964836a3c283a7bc6788e93af
PDF
Publication pagefa308f1c7e91d20eaa277b816f41b649b4015ea958424b2b9dbfa3c2ca39c35b
Manifest4ca879fe4292e782fe9a62f176de89fc3f08c718d5fdb1e15249c3759cb993da

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
SignatureUdiyulD2FosJnqZFNTjU/aeEE2c7tUoone5I9Zca9y2BVJ/yFBUxVDfZlztwZmr5kCnb/hwiH/ODYHn6MmbiAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:54.910188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095832
observed fa308f1c7e91d20eaa277b816f41b649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:54.892215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095832/manifest.json
observed 4ca879fe4292e782fe9a62f176de89fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:54.873910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095832/publication.md
observed d87079f3672628c7951b25609945657f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:54.854768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095832/publication.txt
observed cc147a25fbb9aea6ccb53998220cd980...
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.