OpenTechnical

OT-2026-000085784

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, sustained 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-2026-000085784) never changes.

Identity and time

Publication numberOT-2026-000085784 · never reused
Internal UUID01a0ae99-e829-7277-b638-482775127c14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085784
StatusPUBLIC

Content hashes

Canonical text5fb28a26b112971a6b8f77f9c40743cd895e7546679b82076701560d2c72a8e5
Markdown4ad61a61f7beacb487b846c13dd2c1a747b50cdbf0ccf59e5f4c5a96afce28ce
PDF
Publication page23fab7a567e6fdbee819409e627af172c7b355ff2e69ee462739155ef6a23d77
Manifest42e96052989b8eaa365975dd17e928b1ddd3955b08bc3b78ecac10badb4ec295

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
SignatureZeAbNBPyNRkNtwcfnyNQmF4jmTqx8VvB0aMOjLYbBI+qaYT6Ub+VRF4/nbplaUk59WRjciVuEZmhRAu7r8EhDQ==
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

2026-09-17T09:52:40.754319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085784
observed 23fab7a567e6fdbee819409e627af172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:40.737948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085784/manifest.json
observed 42e96052989b8eaa365975dd17e928b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:40.719990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085784/publication.md
observed 4ad61a61f7beacb487b846c13dd2c1a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:40.701433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085784/publication.txt
observed 5fb28a26b112971a6b8f77f9c40743cd...
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.