OpenTechnical

OT-2026-000018084

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000018084) never changes.

Identity and time

Publication numberOT-2026-000018084 · never reused
Internal UUID01a0ae6e-96fd-723d-b274-b0fcb8f454bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018084
StatusPUBLIC

Content hashes

Canonical text7236d6c86160e6ac5e6f03e276c020f472ea9dbd9fe5f5065c39c4c3a020419d
Markdowncfb62300621d72c4087c8b4f4b94221a3beff10f0bfb6c1b115395e27d246b3b
PDF
Publication pagefee410d1363fcc22a34e787765ef463726552501758def4aae0a1d868fff5030
Manifestcff109d3e9af4c8ee5a9d54aedeadb65a6520a19fae8cfef5e73ac222353fcf0

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
SignatureTJbZkJbnhJqOxjz+mPEg082sQVvw3sA26M48pMYEJCq9jVG+L8OvZUXioJfzKvxKl0Aw7mq93eLa5AR8oqNiCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:07.630485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018084
observed fee410d1363fcc22a34e787765ef4637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.613966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018084/manifest.json
observed cff109d3e9af4c8ee5a9d54aedeadb65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.595580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018084/publication.md
observed cfb62300621d72c4087c8b4f4b94221a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.580376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018084/publication.txt
observed 7236d6c86160e6ac5e6f03e276c020f4...
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.