OpenTechnical

OT-2026-000030668

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000030668) never changes.

Identity and time

Publication numberOT-2026-000030668 · never reused
Internal UUID01a0ae74-3fb3-70d3-a7ab-69c3ddbabebd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030668
StatusPUBLIC

Content hashes

Canonical text7570f0347600ddb4be1a9902b9956ae03367de423bd9f8d2bb276b7212344b0d
Markdownc7149320eb17e1600d1d745a3747977f74c72b791c56e83c884bec55055402b2
PDF
Publication pagedcfc35ddef7c3da003c834c0f09039cb773529751f23119297b986aa8f40d287
Manifestcaa84bb31d5846dca33645b6738068bc9f69ba235b010659523f1b6cedd8da94

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
SignatureMEKOiOdXvj1gnVk/jgQyCCGdnT3KslXn+HIeaK7eRezos9eCu7lMp6GLsCQ3IdzAr/0n8Ptl9bWpI3dYSDBlAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:33.313120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030668
observed dcfc35ddef7c3da003c834c0f09039cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.297216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030668/manifest.json
observed caa84bb31d5846dca33645b6738068bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.281829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030668/publication.md
observed c7149320eb17e1600d1d745a3747977f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.265511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030668/publication.txt
observed 7570f0347600ddb4be1a9902b9956ae0...
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.