OpenTechnical

OT-2026-000102250

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000102250) never changes.

Identity and time

Publication numberOT-2026-000102250 · never reused
Internal UUID01a0aea4-50f3-769c-a69d-a5fb7bc59125 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102250
StatusPUBLIC

Content hashes

Canonical text08ef52059cfd7f31cedf7e4fdd1ac4d70f34457da108c86b9bd03d7d28023b1c
Markdowncb1645d2bedfee5437018603e59aedaf47124a489e4b3a842b748a2aab854338
PDF
Publication pagefdfea9235697da9d362a77dbcbc5404e9cd1c486311b99d389145e3da59ca352
Manifestc5d1746374f5f0562cb7d6bbe5725222e960ae21eb4e004ebeac21f9a01804d3

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
SignatureAJwT7qf4kVxj1KKaAbOfDfd2G/66V6LD1+gQgTzIIFKfq3SIfu9CAgVyJphhB4q0kUSRExckFwjFOt/e1W/TCg==
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

2026-09-17T09:25:26.003404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102250
observed fdfea9235697da9d362a77dbcbc5404e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.986474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102250/manifest.json
observed c5d1746374f5f0562cb7d6bbe5725222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.968561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102250/publication.md
observed cb1645d2bedfee5437018603e59aedaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.950648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102250/publication.txt
observed 08ef52059cfd7f31cedf7e4fdd1ac4d7...
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.