OpenTechnical

OT-2026-000069825

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069825) never changes.

Identity and time

Publication numberOT-2026-000069825 · never reused
Internal UUID01a0ae91-185f-71f7-8200-7d71915e0fb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069825
StatusPUBLIC

Content hashes

Canonical textd359a51dae5335c211a0b93437bd652f4c7f65ae3e76ca6b540567db60a0d935
Markdownc87770a719def83e5b4a4472fd92dcc1974b8282f6d5dbb04439aba61051075d
PDF
Publication pagec2cc4c5128f0aa445a0af0bd36494d3fe55ad86d860b935f83163262385eca68
Manifestd6605f84036a61a6c9244c83695fa773ac28b4ed562a6a875d6491de31006dbe

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
SignatureU3FyX0attadsj8W1pB4P4WR69RP3l3FAXEtoL04PRiIgxo/9HD+CeCdgj5y3tNEiTlSJaONYsNl/sLg1lp09AQ==
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

2026-09-17T10:26:39.409224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069825
observed c2cc4c5128f0aa445a0af0bd36494d3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:39.392599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069825/manifest.json
observed d6605f84036a61a6c9244c83695fa773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:39.372999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069825/publication.md
observed c87770a719def83e5b4a4472fd92dcc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:39.354432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069825/publication.txt
observed d359a51dae5335c211a0b93437bd652f...
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.