OpenTechnical

OT-2026-000032229

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, pulsed blow-off 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-2026-000032229) never changes.

Identity and time

Publication numberOT-2026-000032229 · never reused
Internal UUID01a0ae74-f7a7-739c-8a99-5d2810181b6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032229
StatusPUBLIC

Content hashes

Canonical text03081daf6283452321fb2bfdc132d176777200db1d09a11855fb77bab8f84c5c
Markdown3ad18f5347aee5708d79ed9cfb1f6a283fc1e5ac08532e1a32d30f809e0f83dc
PDF
Publication pagec2d3085b49abd1d78c918ac29b99bc4c50eada18b967100b1ca67d46d16bed51
Manifesta95044d8a11cb1e44011a674ff1f32bad944ac9fbfe23e5498319b36ca913490

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
Signature7XWeF6l5luSsnAe5oVKeJG9qBgh0tUig3tHE9yT/KKZXVF0uz7yiXY8gx+6y83hvfU/xHHkEXMnRAIzKKJ6CBQ==
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

2026-09-17T11:34:34.881380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032229
observed c2d3085b49abd1d78c918ac29b99bc4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.865026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032229/manifest.json
observed a95044d8a11cb1e44011a674ff1f32ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.848485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032229/publication.md
observed 3ad18f5347aee5708d79ed9cfb1f6a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.831535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032229/publication.txt
observed 03081daf6283452321fb2bfdc132d176...
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.