OpenTechnical

OT-2026-000038623

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000038623) never changes.

Identity and time

Publication numberOT-2026-000038623 · never reused
Internal UUID01a0ae78-2d54-7b6c-b6d2-b7ef4a335923 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038623
StatusPUBLIC

Content hashes

Canonical text0488dd21d37524f3b180a9499c3291f471a43e3df8a2258408b8f9f7396bf140
Markdown173ee64325dc83e7a1b4cfe841fac40e37b115b44995d8547f0db3b974ff113b
PDF
Publication page39cc1834da435407d4c0bf1b129b135097045eb632f5b410c02ae61deb9711a7
Manifest59301e8b0add013f726810d0c821ca323e3d8c9793b483f85f602bad57e4c2cd

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
SignaturedJGospDkKhbZ5MMBzEfUpVqi0sOm+pbt3r8iM9BXq593hCMiAKU7h9LamYWxmg215ymGYl/KYhdE+SVvXizaBw==
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

2026-09-17T11:22:55.070878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038623
observed 39cc1834da435407d4c0bf1b129b1350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.052025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038623/manifest.json
observed 59301e8b0add013f726810d0c821ca32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.033564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038623/publication.md
observed 173ee64325dc83e7a1b4cfe841fac40e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.017348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038623/publication.txt
observed 0488dd21d37524f3b180a9499c3291f4...
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.