OpenTechnical

OT-2026-000045022

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000045022) never changes.

Identity and time

Publication numberOT-2026-000045022 · never reused
Internal UUID01a0ae7c-f767-7a19-9be2-6fbe0facbcb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045022
StatusPUBLIC

Content hashes

Canonical textceb53b23d5b05add119ddfda5596bfafc3a83fe5e91ede37b8a9534b95c14147
Markdownb43b2eb29fe3c92bf4958c5421b8bcf3ff51a36dfbdcb6a32b212cfa106d147d
PDF
Publication page4bc43ed1a9175a213a88a940c0e4387b40054720d51d3d8722687fc3e2fde139
Manifest716f03e1e67b73a7e156f358b2a47a7d85deff4b487eba4a862747e8579b2b4f

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
Signature1SvN4AC4RxNafrrgW4sY7lqRqrXBoTXnmQb/coJx0/ms97z2bgiQSoWubyscRkQ83bI2rlELjRi/+0ffhGxPCQ==
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

2026-09-17T11:10:01.963562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045022
observed 4bc43ed1a9175a213a88a940c0e4387b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:01.943390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045022/manifest.json
observed 716f03e1e67b73a7e156f358b2a47a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:01.921303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045022/publication.md
observed b43b2eb29fe3c92bf4958c5421b8bcf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:01.903319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045022/publication.txt
observed ceb53b23d5b05add119ddfda5596bfaf...
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.