OpenTechnical

OT-2026-000068893

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000068893) never changes.

Identity and time

Publication numberOT-2026-000068893 · never reused
Internal UUID01a0ae90-6dcc-716f-8583-85a3c8043706 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068893
StatusPUBLIC

Content hashes

Canonical textf82c9d97e465ac08b0aa2716d563ceca0803a04e67200afe7dcf19f9df9ab1c5
Markdown16279dbd4a26b8f882a67104b417be37b3b233dcb84eae015fbcaf89645bd520
PDF
Publication page5f27f66f46411f82b306e5a0aa3d582a01d6115148ba590e9bd3f862ca70583d
Manifestf30efb762f61d18bbf8e6bfe3f62e0230f2c1d15a41240c95d465770e7851238

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
Signature9C6G5PXyUxWi+tH/G3RrnkvzUbXYHxoC93A8e37pfY9xAHsTTNx2ggTRl4NUH6qF8RE4NIM4FacTlmwRi6zaCg==
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

2026-09-17T10:28:33.693842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068893
observed 5f27f66f46411f82b306e5a0aa3d582a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:33.676487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068893/manifest.json
observed f30efb762f61d18bbf8e6bfe3f62e023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:33.657700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068893/publication.md
observed 16279dbd4a26b8f882a67104b417be37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:33.622912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068893/publication.txt
observed f82c9d97e465ac08b0aa2716d563ceca...
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.