OpenTechnical

OT-2026-000082191

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, sustained blow-off before set-down

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-2026-000082191) never changes.

Identity and time

Publication numberOT-2026-000082191 · never reused
Internal UUID01a0ae97-4d93-7c67-8d37-3516cbeb98d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082191
StatusPUBLIC

Content hashes

Canonical textbfc3f71c1c4dbc1733ecbd91296d586e5121fc828b425bf8817ecbefba1943f7
Markdown6c24a0c58587a70fe2a3e9088da9058eb7e2d11d8dd68043b1b9d491212e4958
PDF
Publication pagea0c418fd183871544a5669afb47cd3a796277b77194933d34f55109d7b136c32
Manifest6cc1539682351ce7f2f1d90f794b796aad155635cf5fdc745da12a4529daef26

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
SignaturerG0mpiR8AKdR1ZqUwN+y+0bhpgHJI+hxlJZYi7qYfJAQdtEDVOV1aZzZN4KyiZKjuht7wJ3VFb81GFDmYbsxBA==
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

2026-09-17T09:59:01.255653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082191
observed a0c418fd183871544a5669afb47cd3a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:01.238580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082191/manifest.json
observed 6cc1539682351ce7f2f1d90f794b796a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:01.221235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082191/publication.md
observed 6c24a0c58587a70fe2a3e9088da9058e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:01.204685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082191/publication.txt
observed bfc3f71c1c4dbc1733ecbd91296d586e...
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.