OpenTechnical

OT-2026-000013490

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000013490) never changes.

Identity and time

Publication numberOT-2026-000013490 · never reused
Internal UUID01a0ae6d-6fca-77b6-8e46-6c5bd30103b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013490
StatusPUBLIC

Content hashes

Canonical texte722ed92b2a6e6e53674f5bbae72d775749915b1956e1423b384f63fec8f045e
Markdown122080cdf31ac19b442c32b64a122e2d76a43f3a2d38300bc2eca950d0423a30
PDF
Publication pagec78682f1fe68e083fe7bc7ef07d97f84d240fbb6e009bad63901e6e664642926
Manifeste5117ae7166ffad22bd505d891ba2a711f0247982fe61d443c2d0eb1abdbcca7

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
SignatureJ/GOQcKY5DXNIb1+xFQpPgwXNWdVwxfPhrtQZLm5mpKA/mXoDEjiU4K86x+7mxZMIOd/OiTIp2etMYpX+KctBw==
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

2026-09-17T12:09:59.745857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013490
observed c78682f1fe68e083fe7bc7ef07d97f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:59.727222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013490/manifest.json
observed e5117ae7166ffad22bd505d891ba2a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:59.708132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013490/publication.md
observed 122080cdf31ac19b442c32b64a122e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:59.690029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013490/publication.txt
observed e722ed92b2a6e6e53674f5bbae72d775...
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.