OpenTechnical

OT-2026-000084356

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000084356) never changes.

Identity and time

Publication numberOT-2026-000084356 · never reused
Internal UUID01a0ae98-5b62-777f-9dd3-c2dbbbb7f6c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084356
StatusPUBLIC

Content hashes

Canonical text8e9b04519c18382358f8fe34c1225fe1d3dd75fa9d3f71713618b3f87e2aebf5
Markdownb6f77486b23b022eefc54c6cf9ccf72993ede76244081d0a94577a509cd14687
PDF
Publication page7f0f3a1c6524bf0f5b9125580ea06dee72d4679ab3b588faa1a73ba6798b643d
Manifestd57836e8942e51dc1daa7502ed84806be3d69d8939313138516b3bc3bc455382

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
Signature3tjGBHk3TJAaPS+3b5OQ4xFweDgGH88ZJpJhxQ6ypRj7/zQQ+RGrQspRaKgT76kUrsLcqfbmNvyNW/1/moVZDQ==
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

2026-09-17T09:56:17.400146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084356
observed 7f0f3a1c6524bf0f5b9125580ea06dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:17.383400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084356/manifest.json
observed d57836e8942e51dc1daa7502ed84806b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:17.366043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084356/publication.md
observed b6f77486b23b022eefc54c6cf9ccf729...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:17.343622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084356/publication.txt
observed 8e9b04519c18382358f8fe34c1225fe1...
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.