OpenTechnical

OT-2026-000032921

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000032921) never changes.

Identity and time

Publication numberOT-2026-000032921 · never reused
Internal UUID01a0ae75-4842-7f3d-a159-c1126008f1e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032921
StatusPUBLIC

Content hashes

Canonical text6beb9d19026b0f85c5df66967f4cc1bf21466aac3d990a2ae31515eadc6071e7
Markdownf7a260e18a8cffbef58c65e297b83761dd0738c2571b3a5fbf6e66068dfef4da
PDF
Publication pagea7144dea38b6d18acba66e60b0960aca3f32dbdc49c252df62cfa8365a03edf4
Manifest6663851c669b2355ee7007de71d105f768829c1dd85e04ea19cdac3dee5d8ec4

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
SignatureoZvFk4sBHA+xVpjaw8A7qOlA0qHhdq2IQfJgpJ/nO1R5CcQC0ClRv+EVAANG2Rh/50q+2FZf+kRTq3Fxl5/aAw==
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

2026-09-17T11:32:30.949021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032921
observed a7144dea38b6d18acba66e60b0960aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.931486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032921/manifest.json
observed 6663851c669b2355ee7007de71d105f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.911922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032921/publication.md
observed f7a260e18a8cffbef58c65e297b83761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.894072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032921/publication.txt
observed 6beb9d19026b0f85c5df66967f4cc1bf...
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.