OpenTechnical

OT-2026-000084588

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000084588) never changes.

Identity and time

Publication numberOT-2026-000084588 · never reused
Internal UUID01a0ae98-e25b-783d-b6a6-bd523662cd32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084588
StatusPUBLIC

Content hashes

Canonical text68dd6f05815e853d48f8202eaf3b1327ee0f64c45430da5ddca40d5bbb02a52c
Markdown6e7c104447dc75c50602192c5052c8bbd3e8a09e3c18241ec5d6a90fcd6784ef
PDF
Publication pagefc5e284c426cfb665bcc76dd41a1ac0756adabe7baab98f3e6c27d107abed05d
Manifest3c8a69ae4317c8eb67081064dfd599aed3055c195711a46eddb2c202a9de7ff3

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
SignaturepInydQNB1KFSt/Jw/OflzC8o/EYQYWasZAgKcxMm3qzgjjSGG8URKHd7bTSYLB0G3l6OD3JxDVi/+/I1tdllDw==
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

2026-09-17T09:55:29.403118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084588
observed fc5e284c426cfb665bcc76dd41a1ac07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:29.386551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084588/manifest.json
observed 3c8a69ae4317c8eb67081064dfd599ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:29.367716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084588/publication.md
observed 6e7c104447dc75c50602192c5052c8bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:29.350427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084588/publication.txt
observed 68dd6f05815e853d48f8202eaf3b1327...
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.