OpenTechnical

OT-2026-000021766

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, sustained 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-2026-000021766) never changes.

Identity and time

Publication numberOT-2026-000021766 · never reused
Internal UUID01a0ae6f-bb5a-7a96-a6fa-745acb7c7ea1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021766
StatusPUBLIC

Content hashes

Canonical text5c63cd74e4a2d53d15e64cd221a7f4394abb3bfd0f59515d4139cc01c3b948ed
Markdowne088ecbaa434a363d6ff8fe0b308c3404c2ee1c56c03423b80fb5d46083540d5
PDF
Publication page78177b929fbe2e61144bf4ff9fd63649a014abef314d7e9ebe14e6e46804cc35
Manifest568fe19f54d7f421c6e8e393a072eb29cc70e748156ee7cef46762f5fc225c6f

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
SignatureVIndyZKeQAhC/7XjwwvWlfhyFyzorWMh0TrbqpTENITLi0Ad9Ro9jto6nE7RtNyjMImHQqTssVSSnCLrW8G8Cg==
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

2026-09-17T11:54:18.652904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021766
observed 78177b929fbe2e61144bf4ff9fd63649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:18.634392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021766/manifest.json
observed 568fe19f54d7f421c6e8e393a072eb29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:18.614391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021766/publication.md
observed e088ecbaa434a363d6ff8fe0b308c340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:18.596615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021766/publication.txt
observed 5c63cd74e4a2d53d15e64cd221a7f439...
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.