OpenTechnical

OT-2026-000068339

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000068339) never changes.

Identity and time

Publication numberOT-2026-000068339 · never reused
Internal UUID01a0ae90-2480-70cf-a461-d38424715a56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068339
StatusPUBLIC

Content hashes

Canonical textf96dcd3ba2aea879133447b586570cce9aecea72fcd0c2b1da881de3000fa3f5
Markdown5a0359b0dce0b9e1ea9fe787d8409d04a7d4ff28d072728b68f33d2fb55476fb
PDF
Publication page5c7776dbd8a1da800ae9ab853691034decb904f6f981d0149a9e9dd2ae027333
Manifest7b8b6348a44c682e0b305cd8295d0a4195fbae79bf878ba9c1574bec63641b26

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
SignatureadbfEhZB800FoxmbZ7MscQGq4Wh+2+ZTVZrJGo1vQ3hL2vR+DdPwfxRM0W9nIS1N/qp4Uy/SILfECg56O9zgAQ==
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

2026-09-17T10:29:22.946802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068339
observed 5c7776dbd8a1da800ae9ab853691034d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.927652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068339/manifest.json
observed 7b8b6348a44c682e0b305cd8295d0a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.911025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068339/publication.md
observed 5a0359b0dce0b9e1ea9fe787d8409d04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.891519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068339/publication.txt
observed f96dcd3ba2aea879133447b586570cce...
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.