OpenTechnical

OT-2026-000023018

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000023018) never changes.

Identity and time

Publication numberOT-2026-000023018 · never reused
Internal UUID01a0ae70-46ec-729d-a189-a7ca867d3830 · 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-2026-000023018
StatusPUBLIC

Content hashes

Canonical textb70382c5285628bfe8781ccd29a9a8d9a2edd1943c468d4b95450e679aba19b2
Markdownae1a32f18047fc962a2db2f2f9f7d538280c000ee9afce4618c8fc891a944dea
PDF
Publication pagedeebfed5972ee820a6019d3242f95ac41c937ca17dd4233beb886d599acbdd4f
Manifest0fdd9f814cbad56e3473f218d36d399fa503cf0888043751c76c7c2db78c253f

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
Signature5KkkMYDeUIKGU+/3k46LivQzvoTyS9rUriCV+gw6WHH4Rij84+kwt/cfZofseWh5Dfnl3JDA1FzT6h5jrY03AQ==
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

2026-09-17T11:52:36.935458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023018
observed deebfed5972ee820a6019d3242f95ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.915787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023018/manifest.json
observed 0fdd9f814cbad56e3473f218d36d399f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.898694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023018/publication.md
observed ae1a32f18047fc962a2db2f2f9f7d538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.880478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023018/publication.txt
observed b70382c5285628bfe8781ccd29a9a8d9...
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.