OpenTechnical

OT-2026-000037460

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000037460) never changes.

Identity and time

Publication numberOT-2026-000037460 · never reused
Internal UUID01a0ae77-b8ce-76ff-970f-c504c72f0a5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037460
StatusPUBLIC

Content hashes

Canonical text355568353244091fe5d58e3ae9f6b76d4d5c653c60abbfbbb0643e862f1df134
Markdown1c0e4cdcb445a14e060adcf7826064c880e140f781a6c5c182f7136e9d31e77a
PDF
Publication page5bbc02ae4c4e2eb302aedff209e0681c8194e89221403748171dcb1ab9941fc4
Manifesteaf0203c35941cb0ba54c9beedcef45d846f63cad983671a8deadc818f6a7f07

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
SignatureCZQG8dka0Q1AlXopyjMG2XBMweJUXDsnXxfx/MwJnga/PkT9k6zlOewgZmUQnT4+gVSuksr1h28GeURGY0e+Aw==
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

2026-09-17T11:23:53.839699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037460
observed 5bbc02ae4c4e2eb302aedff209e0681c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:53.820811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037460/manifest.json
observed eaf0203c35941cb0ba54c9beedcef45d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:53.801463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037460/publication.md
observed 1c0e4cdcb445a14e060adcf7826064c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:53.783260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037460/publication.txt
observed 355568353244091fe5d58e3ae9f6b76d...
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.