OpenTechnical

OT-2026-000069246

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069246) never changes.

Identity and time

Publication numberOT-2026-000069246 · never reused
Internal UUID01a0ae90-b528-7f12-a7fa-b24df83e834d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069246
StatusPUBLIC

Content hashes

Canonical textc0bf45f7a9bc7e51c1601ba01a7fa9770c138c949ebf768ab9fea154b49c4653
Markdown8b44f3dd427a289e19d3ca08f440ce801c5f9c523deefe86ea4f3854e441f276
PDF
Publication page4f7ffa2e299b212f5310aaa5cac2c9e21476be6cd557937a97a1054c36713328
Manifest50675f8543ed8e598a0912cc73bb6e20f417837a48d4a90d515a6da52dabf0fa

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
SignaturewEzKa2X+Gc2BEjFkE01PV4Nxz01Fsn1qOoCKcEOPt9SnarwsdfcT7wsfFrzOMAMDg5B8mFx6m38mZ+u7BtQuBg==
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

2026-09-17T10:27:19.121631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069246
observed 4f7ffa2e299b212f5310aaa5cac2c9e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.104702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069246/manifest.json
observed 50675f8543ed8e598a0912cc73bb6e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.053437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069246/publication.md
observed 8b44f3dd427a289e19d3ca08f440ce80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.002103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069246/publication.txt
observed c0bf45f7a9bc7e51c1601ba01a7fa977...
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.