OpenTechnical

OT-2026-000087533

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, 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-2026-000087533) never changes.

Identity and time

Publication numberOT-2026-000087533 · never reused
Internal UUID01a0ae9a-cd52-7339-8d6d-1de4ca51e817 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087533
StatusPUBLIC

Content hashes

Canonical text6ae166eb8abb73a6369f54772c016a26258b1e3478ebadb11d893d9726c67a27
Markdowna9c2391dafacf9fc4889a376231a7003dc917ef9fc056340b0dd6d35e319a45e
PDF
Publication pageb4c9dcfc94a04d45d98170f475dd76be7de0a28fca66223b22a382110d001903
Manifestba6969671f5942094e3de9ea42d7bf120d437600d9a338a21a61839c34d7789c

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
Signature+qXNeKy6CFZ/JUmb8ttcibWSgLJOODQmdfs5Xi99+Y97Q7OX5XSzbiw2KGvGIPcHK5WB8qqCp6B1lxn/lqxeDQ==
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

2026-09-17T09:50:52.308801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087533
observed b4c9dcfc94a04d45d98170f475dd76be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.292339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087533/manifest.json
observed ba6969671f5942094e3de9ea42d7bf12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.275012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087533/publication.md
observed a9c2391dafacf9fc4889a376231a7003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.258270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087533/publication.txt
observed 6ae166eb8abb73a6369f54772c016a26...
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.