OpenTechnical

OT-2026-000062254

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000062254) never changes.

Identity and time

Publication numberOT-2026-000062254 · never reused
Internal UUID01a0ae8c-0abd-73b8-bf3e-30ff0b65450d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062254
StatusPUBLIC

Content hashes

Canonical text5f83dcfb5ff156925acec7b79aae66f2ebf387a016dbb0c57287e9c4197727fa
Markdown792b399f56e195d910b47b75dba5d698dc9ff137d1c6d0387e21f6afaabafa05
PDF
Publication pageb42207c60634abeb40363d44eaa5b5f7b12a9cbb1932b736423c7b57ec628afb
Manifestae28b61684687e3b2d2593e2270f861100931af469af6103ffe89fff146c9458

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
SignaturecUJM2H4J+MkDI1BkB0uR8DBtlN2nGz25Ukg8nDfy/z3GLCYGIgL7O+Q1TYoU/7/o+GL/GvD43HDbJ3RaSsy7BA==
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

2026-09-17T10:39:31.992444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062254
observed b42207c60634abeb40363d44eaa5b5f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.975703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062254/manifest.json
observed ae28b61684687e3b2d2593e2270f8611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.956650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062254/publication.md
observed 792b399f56e195d910b47b75dba5d698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.937044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062254/publication.txt
observed 5f83dcfb5ff156925acec7b79aae66f2...
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.