OpenTechnical

OT-2026-000096290

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000096290) never changes.

Identity and time

Publication numberOT-2026-000096290 · never reused
Internal UUID01a0aea0-585f-71f2-8173-7bfc3503adfb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:59.115534Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000096290
StatusPUBLIC

Content hashes

Canonical text411d438e915172c364100add55a20fb30739bc5f3cff1cfc668e3e24ffd94e1e
Markdownc873859fd609849937d175f912e2e8ff2b7ab6c033249cc69b49a202f1030f89
PDF
Publication page0c0b67182d91093c0ba8b88c1b4f2f1ecae943a2c2355028c9ba98f1ea71c626
Manifest61cf156541e461958357214342900e317189a5e6c8023646b770ba79ed1b0a13

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
Signatureqy8FzaPKeTtZN0+Y1cPt8ng7vlyA0tAZnMyBhlhd1e1krq6jc7pRL0TiRVvfkMgWLBso0MsBBQtwMUUCAPqIAw==
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

2026-09-17T09:34:49.770214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096290
observed 0c0b67182d91093c0ba8b88c1b4f2f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:49.752361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096290/manifest.json
observed 61cf156541e461958357214342900e31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:49.734238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096290/publication.md
observed c873859fd609849937d175f912e2e8ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:49.716090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096290/publication.txt
observed 411d438e915172c364100add55a20fb3...
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.