OpenTechnical

OT-2026-000015051

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two 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-2026-000015051) never changes.

Identity and time

Publication numberOT-2026-000015051 · never reused
Internal UUID01a0ae6d-d096-7faf-8147-ee431a2a7abe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015051
StatusPUBLIC

Content hashes

Canonical text43bf258810a7be15f198515c86133971e6138aa64c7ccb3fc50ac0615ddbe55c
Markdownbe709df53191dbaf290fab77deb48bc6d4e0642cc21c08cf650e1f42fd5abedb
PDF
Publication page33c777f42325027ae79928b99fc9a88428e5bd4b1a80cf61d5adf90a73487ee5
Manifest9210d76a85ef1d91a6645196d5e7c792a25be872edd54030ed8e7cbbd46f9a66

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
SignatureDWZ1UnWuRclYI3S0lC7rXAx68uiuLPW7uiMEo7EcfXNd34+zwF6UgIf/bj4253tEmXsW1XUNN2rJa8AS/PoKAw==
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

2026-09-17T12:07:02.247388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015051
observed 33c777f42325027ae79928b99fc9a884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:02.228979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015051/manifest.json
observed 9210d76a85ef1d91a6645196d5e7c792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:02.209750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015051/publication.md
observed be709df53191dbaf290fab77deb48bc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:02.189910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015051/publication.txt
observed 43bf258810a7be15f198515c86133971...
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.