OpenTechnical

OT-2026-000066527

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000066527) never changes.

Identity and time

Publication numberOT-2026-000066527 · never reused
Internal UUID01a0ae8e-ce41-7993-8b6f-cda19981225f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066527
StatusPUBLIC

Content hashes

Canonical text7c6f116c59beb191084c42e640660273185af59005956363ce57a0c95f4f2ad8
Markdown300b4b461d8aacc1882f4c53a46dd736368e09b9cdec02d7f68e2471414a7d9d
PDF
Publication page3cb1bbb65a032a07d7868aa93f93f79dd30be87ab7a305fb6048a35bbd44ece7
Manifest2a20076bf095d1e752bf7339fa902c634a66a886969073e90234a0d51ab31ef1

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
SignaturezJvEA6zlv6CWh6R3AUSI0nqiRXcm/pYmDekq9WsvqfQESN/GEYiwumXd0T9hwZQwX08ju2IxObDspajkbKu4Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:47.435923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066527
observed 3cb1bbb65a032a07d7868aa93f93f79d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:47.418803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066527/manifest.json
observed 2a20076bf095d1e752bf7339fa902c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:47.401470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066527/publication.md
observed 300b4b461d8aacc1882f4c53a46dd736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:47.385123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066527/publication.txt
observed 7c6f116c59beb191084c42e640660273...
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.