OpenTechnical

OT-2026-000076571

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000076571) never changes.

Identity and time

Publication numberOT-2026-000076571 · never reused
Internal UUID01a0ae94-b06e-7409-9d4e-d7d04393d5cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076571
StatusPUBLIC

Content hashes

Canonical text28c17c4487e95887b30b627e25216fab5641ab8c85cff2b084a922c1f7657606
Markdownd840d794ee16d4eb1314cfbe679cc353f8afe893a26151f3da494c518dd25771
PDF
Publication page8d35f1e4cd51ca04b1220d101975c36bdd0e9794c73eb5326212a154494a5cd8
Manifest533daac4dcf52b7ebca58549fa79607d05c2a0a396c3f51537733464b48cacbd

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
SignatureCMkSrx+yvOa1OVvIRm/hrm0iYe4OsBwkURuaOLJUiJ02mayu/wmUmu8/QT3yGuishHx8G2cItfttCzqWe00LAQ==
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

2026-09-17T10:09:17.420496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076571
observed 8d35f1e4cd51ca04b1220d101975c36b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.402452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076571/manifest.json
observed 533daac4dcf52b7ebca58549fa79607d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.381699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076571/publication.md
observed d840d794ee16d4eb1314cfbe679cc353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.364358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076571/publication.txt
observed 28c17c4487e95887b30b627e25216fab...
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.