OpenTechnical

OT-2026-000018426

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000018426) never changes.

Identity and time

Publication numberOT-2026-000018426 · never reused
Internal UUID01a0ae6e-b489-7ce6-8e13-6895ea6f0968 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018426
StatusPUBLIC

Content hashes

Canonical textc79378885e9d0b1e3a9990b42d9c9a8516f417fbdd9363fb3544a1c73f5b78b7
Markdown030134d298a71508537e0eb70e2935846dfa7b17eb07dfd577f7658e51353f78
PDF
Publication pagec8af69a4b3635057d4b873948c2a567fa1aae8a32f7995fe34302859126b7834
Manifest2eec4628e2a7f1e0d36fea0d95105af9eea4b2d5df5eb9eb9fbad2d7d493d430

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
SignaturetNZWXehjjmhUH0auaLQ3BgMPVo1fAl8ApuHZi5apnywD6SuTy+4LrDBNMKrwilVwgMFsN4+aD7WNJ3dBig0GAQ==
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

2026-09-17T12:01:10.536836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018426
observed c8af69a4b3635057d4b873948c2a567f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:10.520302ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000018426/manifest.json
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:10.501660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018426/publication.md
observed 030134d298a71508537e0eb70e293584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:10.480916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018426/publication.txt
observed c79378885e9d0b1e3a9990b42d9c9a85...
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.