OpenTechnical

OT-2026-000067772

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000067772) never changes.

Identity and time

Publication numberOT-2026-000067772 · never reused
Internal UUID01a0ae8f-c4fa-7e3f-b436-1fc91e2fbca9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067772
StatusPUBLIC

Content hashes

Canonical text145a3719449e17665912701d0e57d997f998e9efcb96d6faa081da55c5d2d5c0
Markdowna758e8d896a85be81055611ea0665700b6e41e71153e3546a949a7e2def7ed93
PDF
Publication page6754761c6e7c92b558407d78e5b6ef320553d7ac4adf37d77d45a9ff33c07be7
Manifest01868cc7957a1a70b07aa7b9ca941ec97d3452ffdee758d166be2be1cd67488f

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
SignaturebPqnTPg+XwtI3qZJ1EpxJXQoDj7TPYCFWTtSJPahMQG19sdK/jQ4WuIlpc/R0t99ZhpzmGcjtG5tkbwl2VarAg==
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

2026-09-17T10:30:00.152233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067772
observed 6754761c6e7c92b558407d78e5b6ef32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.135137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067772/manifest.json
observed 01868cc7957a1a70b07aa7b9ca941ec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.117001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067772/publication.md
observed a758e8d896a85be81055611ea0665700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:00.095964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067772/publication.txt
observed 145a3719449e17665912701d0e57d997...
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.