OpenTechnical

OT-2026-000016403

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed blow-off before 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-2026-000016403) never changes.

Identity and time

Publication numberOT-2026-000016403 · never reused
Internal UUID01a0ae6e-2d12-727c-b719-a5a96f20eb47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016403
StatusPUBLIC

Content hashes

Canonical textb16f21fcd7c170aa731df4be73fb29d649a977881e9e3ce48d327697649bb6a3
Markdown6b49ebd6b41a3a5341ad4ca6fa7f84c4dc6a3b16889e11b87c903862f6a6c1d0
PDF
Publication page3a7cddc4524323a24ce5fcf7f7d751768341b8e5e98fdfebcd20d5ff18a7cb6e
Manifest388dfabe5055716146aab8adde6cc5f928d3c5cafeedb9d91965152b15d3a9fe

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
SignaturetlOAVQQcgkt463D16zD2QZIq9HCQ4JeA7adtTP79XzuoSMSh4+LoPNd+ZZoNin7lCue8vsraByqhG7u4NDKmAQ==
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

2026-09-17T12:04:29.289269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016403
observed 3a7cddc4524323a24ce5fcf7f7d75176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:29.270156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016403/manifest.json
observed 388dfabe5055716146aab8adde6cc5f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:29.248667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016403/publication.md
observed 6b49ebd6b41a3a5341ad4ca6fa7f84c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:29.230344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016403/publication.txt
observed b16f21fcd7c170aa731df4be73fb29d6...
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.