OpenTechnical

OT-2026-000090536

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, 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-2026-000090536) never changes.

Identity and time

Publication numberOT-2026-000090536 · never reused
Internal UUID01a0ae9c-7f2f-7039-a964-a098fffe8438 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090536
StatusPUBLIC

Content hashes

Canonical textfc985361b4848530d8594a0a1b78d43678143a8f241cf9d7177ee0687c44bd5f
Markdown9544148167932eeafbe3b95a88da900aa4323c1cbfca4087061ec6feb0e8cdb2
PDF
Publication pagee103ed2635da7a0dec3a20923195b0f25f751956e0c5a75ca4de5f4e98bfdf07
Manifeste1bbddc062908d41b549c383f9804b9406b44c49b76f7399c888df3d79f144be

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
SignatureEuSsmSwV3/J81slYe0c1IhNhCOs9Plkr8qY3ELCxpmcUZKjvx2++PWMqsewTbApSVKv/rkFsZ+jqAqzaGp9MAg==
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

2026-09-17T09:44:42.510089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090536
observed e103ed2635da7a0dec3a20923195b0f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:42.491614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090536/manifest.json
observed e1bbddc062908d41b549c383f9804b94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:42.474787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090536/publication.md
observed 9544148167932eeafbe3b95a88da900a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:42.455381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090536/publication.txt
observed fc985361b4848530d8594a0a1b78d436...
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.