OpenTechnical

OT-2026-000092419

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, 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-2026-000092419) never changes.

Identity and time

Publication numberOT-2026-000092419 · never reused
Internal UUID01a0ae9d-b5fc-74a2-91dd-e7b408602eae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092419
StatusPUBLIC

Content hashes

Canonical text3f685523a21830f32d9ca8a689431df8884d0f3b78d271654ff2046ec22bf6e3
Markdownc58d0bf5eaf6ad985fa8c28ddb705169aecf5eb5a5e35326e45eecc9e822d4b1
PDF
Publication pageecab3ad876f3a8b62090aff9f50cb59aebcf0cc46ba3f91fb024794c936ef817
Manifestb5c96f58552e6222efb5c34037e4679a0005d8b9b29728e0195033f2292b6606

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
Signature5OSM89ZLcbI/4kHNW+FnumqXy19rKiaa4ajUrAc7hvfN9jCAJbH0YQgs0Dv/n+YzsIHAUVjbPCo3bMytEoG9Dw==
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

2026-09-17T09:40:58.294042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092419
observed ecab3ad876f3a8b62090aff9f50cb59a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:58.277729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092419/manifest.json
observed b5c96f58552e6222efb5c34037e4679a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:58.261366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092419/publication.md
observed c58d0bf5eaf6ad985fa8c28ddb705169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:58.242775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092419/publication.txt
observed 3f685523a21830f32d9ca8a689431df8...
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.