OpenTechnical

OT-2026-000093800

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000093800) never changes.

Identity and time

Publication numberOT-2026-000093800 · never reused
Internal UUID01a0ae9e-508c-7db9-817a-595ab17aabf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093800
StatusPUBLIC

Content hashes

Canonical textb6fe8b435f0b3765c89a5bf376ed818a349de626106c3aaaac5130917632c31d
Markdownde44043d73f65c9eaa03fc15c2f5bd561cfa1bcc9c6da26816ac7546be1e4065
PDF
Publication page727685708cb9e8d4694f31fea701fff32da2c845c87b9607cf1d06de80f8235f
Manifest20eb52031fd4afc7f6aaff733a2899c97aa5393e91b19530558c6a00a8104e44

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
SignatureaB9t5wrH+63J2O40UV/z2FuXx7cI9bzYUFUMVvRXratTPi5HtW2APTvm3cW4lENNXAx1fjbJoVU0PYcPRVTyCw==
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

2026-09-17T09:39:54.325326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093800
observed 727685708cb9e8d4694f31fea701fff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:54.309170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093800/manifest.json
observed 20eb52031fd4afc7f6aaff733a2899c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:54.291341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093800/publication.md
observed de44043d73f65c9eaa03fc15c2f5bd56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:54.273784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093800/publication.txt
observed b6fe8b435f0b3765c89a5bf376ed818a...
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.