OpenTechnical

OT-2026-000022834

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, sustained 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-2026-000022834) never changes.

Identity and time

Publication numberOT-2026-000022834 · never reused
Internal UUID01a0ae70-46ea-73b8-b8f2-73e5039fd695 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022834
StatusPUBLIC

Content hashes

Canonical text7555cd4c9a61c9e29cfd16664b2afa9eb6b52e5cffadd358bae052ebac882fdc
Markdown44bbe612e6527f841784b13f6e54090f1ed3cead9fcd5db002a782276fb7ab89
PDF
Publication page70042735c861916c8fe7190e5d76084f60fbeaee496b17d305ed73e24270ea91
Manifest21a19bdbdfa6fc43bb22b149f720b211f7af30a03ed87828c4a0fb58a43581ab

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
SignatureTUtl+t9JdbGzsxhobmIojtGO91ueY3er+dUx03Fkl4ijdIC49b0esWjncSTwTtY8uGZb0AHFG85mL9q4y+HHBA==
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

2026-09-17T11:52:22.088116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022834
observed 70042735c861916c8fe7190e5d76084f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.069428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022834/manifest.json
observed 21a19bdbdfa6fc43bb22b149f720b211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.050474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022834/publication.md
observed 44bbe612e6527f841784b13f6e54090f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.031083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022834/publication.txt
observed 7555cd4c9a61c9e29cfd16664b2afa9e...
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.