OpenTechnical

OT-2026-000089479

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000089479) never changes.

Identity and time

Publication numberOT-2026-000089479 · never reused
Internal UUID01a0ae9b-db02-7f7f-8817-c9f9bee84716 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089479
StatusPUBLIC

Content hashes

Canonical text265bc5abbc9085fc6b9248ac827058b2ac4fc333afb1196fc4a509ebfe225962
Markdown3ad095411b465c2fc696efb4dcf50cc430591ed263c4f28e512dc72a8f8dff97
PDF
Publication page51dcea9aba91f5406e9a56c905decc59d01f018f75b6120e3646105097d40043
Manifest2afe5a604bd845fc20355b91e60926f9f0bbe9d5dfa02575149e4d7a28418a3f

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
SignatureGsLuKDjEobiAQATVLdfqGIAia8zv9LFvMgAvE312zqhnDI6gUWNzD7b1koa1xrto6Sn2nohaSCuOmkWzpW2lAg==
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

2026-09-17T09:47:37.714435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089479
observed 51dcea9aba91f5406e9a56c905decc59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:37.694946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089479/manifest.json
observed 2afe5a604bd845fc20355b91e60926f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:37.677126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089479/publication.md
observed 3ad095411b465c2fc696efb4dcf50cc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:37.660831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089479/publication.txt
observed 265bc5abbc9085fc6b9248ac827058b2...
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.