OpenTechnical

OT-2026-000013543

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pulsed blow-off before set-down

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-2026-000013543) never changes.

Identity and time

Publication numberOT-2026-000013543 · never reused
Internal UUID01a0ae6d-6fcb-760d-bc88-ce883022f1fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013543
StatusPUBLIC

Content hashes

Canonical text920a9d1fb6541b694e68e661642f2d635eee6d563a60cd089bc0e19208fb1f05
Markdownee23098c03b690f21c4127e4a6d01979c284914cf0b146e2821321ea8d009460
PDF
Publication page2f6a7720623ec708c5a81a57046c9ca47ca39c6bf670674c7aa7b73ed68bf53f
Manifestcb30e4528749b6397bc53c902ee2bb243adf509663c8087e454e1b37fb83225c

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
SignatureCfBH9l72nXeQLGqlXlfQYPB7KJ6M63u7pZBiwCqs5b9gXaWUWri07xzrfp5Vh1Fgfal+Z1qpwy0M/IccfwDsDg==
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

2026-09-17T12:09:22.385883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013543
observed 2f6a7720623ec708c5a81a57046c9ca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:22.364768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013543/manifest.json
observed cb30e4528749b6397bc53c902ee2bb24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:22.335247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013543/publication.md
observed ee23098c03b690f21c4127e4a6d01979...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:22.309497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013543/publication.txt
observed 920a9d1fb6541b694e68e661642f2d63...
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.