OpenTechnical

OT-2026-000068891

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000068891) never changes.

Identity and time

Publication numberOT-2026-000068891 · never reused
Internal UUID01a0ae90-6dcc-7967-968d-6dcc43b258fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068891
StatusPUBLIC

Content hashes

Canonical text8e6e513463e679dce8990801ec27230d938c1ad1a2852be834e2af42c5520cdc
Markdown6fe84f1afb4d1ef8a6ceafdb6bab6772ee88fb897c865265a52bc4584c98c059
PDF
Publication page1135c7fbbca9117b8ab489640a706629837ece4f4600bbdbe96f8f05a5154f64
Manifestdaa55b53f8b7ebbf823903875b087e0b0c5bcc4a90d14783c7fdf8707c401f89

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
SignatureRuACrn7+K8UGSnJAz06822tY5O4iWJf+XFwgK5dsKggsp56ABb0PkpyUsPV7/8OM8XS9Wy2sa/2+V6dPb4avDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:42.620776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068891
observed 1135c7fbbca9117b8ab489640a706629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.603115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068891/manifest.json
observed daa55b53f8b7ebbf823903875b087e0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.581187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068891/publication.md
observed 6fe84f1afb4d1ef8a6ceafdb6bab6772...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.561711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068891/publication.txt
observed 8e6e513463e679dce8990801ec27230d...
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.