OpenTechnical

OT-2026-000016203

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single 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-2026-000016203) never changes.

Identity and time

Publication numberOT-2026-000016203 · never reused
Internal UUID01a0ae6e-2d11-7271-a0e3-6bc1fd9743c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016203
StatusPUBLIC

Content hashes

Canonical text03f2c3df84e5e225e8f3fddf12fd0eb39227bec6217572aaebd14a6d5599aae5
Markdownf936e4198024caa634352e5ee0988ab184acd0a16f24eb31650e70f11ad82250
PDF
Publication page4267e6c7b8a431a3873e6270c6c35b8ce629e157f9f402f4e7288c3d7b635def
Manifestca740e41b5b186209aa8b19c3a9261ac4ecac8624242362523a2faec47213a23

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
Signature7SEvKkuIZItqs3UQBbsn4aU6Psm/n3ugz5qS38DYxyqt/tJtgTOGbVET/unl2LhF4rc731e7p/IqBtQv+p7JBA==
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

2026-09-17T12:03:39.722770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016203
observed 4267e6c7b8a431a3873e6270c6c35b8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:39.705355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016203/manifest.json
observed ca740e41b5b186209aa8b19c3a9261ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:39.689390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016203/publication.md
observed f936e4198024caa634352e5ee0988ab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:39.671389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016203/publication.txt
observed 03f2c3df84e5e225e8f3fddf12fd0eb3...
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.