OpenTechnical

OT-2026-000050152

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000050152) never changes.

Identity and time

Publication numberOT-2026-000050152 · never reused
Internal UUID01a0ae82-5c45-71ff-ad35-50971ebe9d4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050152
StatusPUBLIC

Content hashes

Canonical texte502f2d5327108779f4f91bef0e8b5c4fb017e3df9915abc1e74d53fc8222c7f
Markdowne98aceb794c0c39d9684cba47e8cbb0e43c464d2d8c4afe11dafe5b3869cef17
PDF
Publication page9ee21a5c2ee016757403be0b91619df02b60afdd600980097b57733afaf72268
Manifesta6275c723a5410aebd9ee26a1a430f4245c14503a665b9152cceeda37679b4ae

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
SignatureEjKj3vvBqQFrF/6DgcamEwkOwiWhaRw1Ls0lf5e2cfcC7SEf3/VqGMulZU3BR38pDiJVlB7bW+1ZCMGJIsJbBg==
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

2026-09-17T11:01:07.521332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050152
observed 9ee21a5c2ee016757403be0b91619df0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.503955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050152/manifest.json
observed a6275c723a5410aebd9ee26a1a430f42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.485595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050152/publication.md
observed e98aceb794c0c39d9684cba47e8cbb0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.467835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050152/publication.txt
observed e502f2d5327108779f4f91bef0e8b5c4...
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.