OpenTechnical

OT-2026-000032295

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000032295) never changes.

Identity and time

Publication numberOT-2026-000032295 · never reused
Internal UUID01a0ae75-106d-77ad-811b-a7af47ecf69d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032295
StatusPUBLIC

Content hashes

Canonical textd5497c1cb25ff96b9b454f37557d1cf8854fd3314e2cfa8f9a79494fb1afd361
Markdownd4f79c6e757ed376986cf9f754d44a0ca24e1f21109f7c423a6695f8d57e696f
PDF
Publication page1072c2ee4acfc2f26c416fff00cc4b49d6828145361e6eadf7307781844c4017
Manifestcad9f564d68ed3856de25c35cdf82147d3b308781dee5cda8643522e193ac2fa

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
SignatureRiDg6R3HSdYsUz72S9JI7JgU/LNyZYy03hypXvqWo/ExGLUVU98wVzutFrxVuSs54NsmpLym2THzpS9aKILSAw==
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

2026-09-17T11:33:07.393124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032295
observed 1072c2ee4acfc2f26c416fff00cc4b49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.374656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032295/manifest.json
observed cad9f564d68ed3856de25c35cdf82147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.350993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032295/publication.md
observed d4f79c6e757ed376986cf9f754d44a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.329611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032295/publication.txt
observed d5497c1cb25ff96b9b454f37557d1cf8...
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.