OpenTechnical

OT-2026-000008112

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000008112) never changes.

Identity and time

Publication numberOT-2026-000008112 · never reused
Internal UUID01a0ae6a-908c-7251-8122-ad6f76b00f93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008112
StatusPUBLIC

Content hashes

Canonical textacceb1c3845119367d64923ad01c65c365e278f292d98db6177fcfa53b7e9dc5
Markdowne9d4710b32a742c07f6d6a6a66b0e6daa0193e4cbd204c4dfab9319d180fc001
PDF
Publication page494c1fa96b031e6dc601c8b062577c92508776856e0ee2d2947239727485c3fb
Manifest6e5fbdf0aabd5fa37a5cd99723157b71fda6fce2012b9db4a51e585a630f9b85

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
SignaturekfEkN+LY0D8Dr5VZaKkGGsot4meOX8Rsthny0zKsWH6U6kVIlxQdZ19hrbbAsWXh72LoWB1nkRMtrfzmaoqYBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:25.747094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008112
observed 494c1fa96b031e6dc601c8b062577c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:25.725487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008112/manifest.json
observed 6e5fbdf0aabd5fa37a5cd99723157b71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:25.707623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008112/publication.md
observed e9d4710b32a742c07f6d6a6a66b0e6da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:25.682545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008112/publication.txt
observed acceb1c3845119367d64923ad01c65c3...
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.