OpenTechnical

OT-2026-000032696

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000032696) never changes.

Identity and time

Publication numberOT-2026-000032696 · never reused
Internal UUID01a0ae75-1070-765f-b5ac-65a612b8bdaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032696
StatusPUBLIC

Content hashes

Canonical text764c610a9ccbea8a2ff974f6e6d414aa90452323572825d6c261fb8dd61f4438
Markdown7cb556f1c04f333144950e241e66d0965d4d8fa3221cc3397b5e04df40d8fa8f
PDF
Publication page28ad7fabe653035cc5f47d47cc328d3d22370f23ef99b793811952a62674d693
Manifestd44c48556405ca4b1a7d8a1f1f4ff1801dfddd8557ad3b7c92ca5799b1129ea8

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
SignaturexCZek5zMYukJWQJut3+0WoQaMb71Sz3LF+tdF6h3ejG3TU8Ul1ERu0/iNCHj1vR57weFQCZxJWiPUCVd/CovCQ==
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

2026-09-17T11:34:18.447293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032696
observed 28ad7fabe653035cc5f47d47cc328d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.431411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032696/manifest.json
observed d44c48556405ca4b1a7d8a1f1f4ff180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.415044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032696/publication.md
observed 7cb556f1c04f333144950e241e66d096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.396336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032696/publication.txt
observed 764c610a9ccbea8a2ff974f6e6d414aa...
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.