OpenTechnical

OT-2026-000081387

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000081387) never changes.

Identity and time

Publication numberOT-2026-000081387 · never reused
Internal UUID01a0ae96-f375-70f7-84ff-4cc980e0ec6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081387
StatusPUBLIC

Content hashes

Canonical text9fb5d163d739b1ae42ca742009bf21e1b0dba2dc0fd4ab4ffbe4973859589683
Markdown973ff852726f70109923bb9e1cffa3023a68a12364c88f28d11c799d118a5dcd
PDF
Publication pagebf37b5ddb96e2cab946950852c5844b6ff9b8f4805e2cacbf59bc78fbdc442d9
Manifestee18c3cb6ea9b3de504f68e3b33fee7b49cab161ac41f5acca0caab44d109944

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
Signature+RaZLOeavKmqLfQuAb1HQuR6+OHVNbgngcu7WH8Z9aQnvi3YhoL2ZFbyZB9vuIsnZ0a8NHqmRah+72w4hyvXBQ==
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

2026-09-17T10:01:31.700030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081387
observed bf37b5ddb96e2cab946950852c5844b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:31.682034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081387/manifest.json
observed ee18c3cb6ea9b3de504f68e3b33fee7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:31.665442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081387/publication.md
observed 973ff852726f70109923bb9e1cffa302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:31.646460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081387/publication.txt
observed 9fb5d163d739b1ae42ca742009bf21e1...
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.