OpenTechnical

OT-2026-000082914

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented after set-down

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-2026-000082914) never changes.

Identity and time

Publication numberOT-2026-000082914 · never reused
Internal UUID01a0ae97-8cca-7570-9596-506a5deb7df0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082914
StatusPUBLIC

Content hashes

Canonical textf4ee02d7878cf975f62e9db3f2bb6ee8747616b3baf1c2bba9d67a3012c8ff52
Markdown4d3e1785cd1d43e4a0be392523b5e87e6d12ec48d978a4bdcc11942702701554
PDF
Publication page5406a7b1c22df2d4f9d7b6c4ad007d3fb08536edfcb9c2b133a3ab2ec90a2f9c
Manifest5454aa9c7add2846b9f96b090fd6b216a192df0a94a1f3b74e1521940c9c54db

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
Signaturev/uVNd86eoilZqm0ZWaXrzHC44cN/F/4nYGpcF63KoWkfHqwW30bemd5uFVP1nYL945l36g0FuYIas1Ap5pLBg==
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

2026-09-17T09:58:36.266232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082914
observed 5406a7b1c22df2d4f9d7b6c4ad007d3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.250886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082914/manifest.json
observed 5454aa9c7add2846b9f96b090fd6b216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.234051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082914/publication.md
observed 4d3e1785cd1d43e4a0be392523b5e87e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.215306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082914/publication.txt
observed f4ee02d7878cf975f62e9db3f2bb6ee8...
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.