OpenTechnical

OT-2026-000018022

Publication integrity record

Two pad foam 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-2026-000018022) never changes.

Identity and time

Publication numberOT-2026-000018022 · never reused
Internal UUID01a0ae6e-96fc-76e9-a90c-613f1e2c71ed · 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-2026-000018022
StatusPUBLIC

Content hashes

Canonical text5814479e5a83047727372cb6b595c1cd10c75a789a29bb1d46dde7bc21acc589
Markdown8429127fac51ed270bc66ef568c78ca699d076326bf6fb4288ab75f62736ce28
PDF
Publication page9d86ad5ed0ac08b97f2c8c921fc93c992718052ac986fa98fb5accf8f5778568
Manifestab3f974819d1bf7f16a0bb7c82444541db695c733db8f97b0030c13a235fa969

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
SignatureoXl9CQiwnLTlzpEKosuLt8U8L94ravZ8cnBzv/g6/6ZxMGYU8GoznB49+H2U+iPfGswMcnCc0XxVX/hJkAn7BA==
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

2026-09-17T12:02:02.866159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018022
observed 9d86ad5ed0ac08b97f2c8c921fc93c99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:02.848141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018022/manifest.json
observed ab3f974819d1bf7f16a0bb7c82444541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:02.831402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018022/publication.md
observed 8429127fac51ed270bc66ef568c78ca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:02.807876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018022/publication.txt
observed 5814479e5a83047727372cb6b595c1cd...
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.