OpenTechnical

OT-2026-000090805

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000090805) never changes.

Identity and time

Publication numberOT-2026-000090805 · never reused
Internal UUID01a0ae9c-7f32-71bd-93cd-60a6131fadba · 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-2026-000090805
StatusPUBLIC

Content hashes

Canonical text690b851b3d25487ef092681911500fe9cac839d30f9b15bb84912db398a7ace1
Markdowncf66a6d6298150153e4b57fed897be6694eb1df06234b76e442e614121136e4c
PDF
Publication pagecb772a4a82807887681fd732813e7c315a58624bbf524b789965cc340ed6798a
Manifestcfff7ab7004f2c9ea0d523b98be740396e326513e819ec55ff46ece932d8fc87

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
SignatureQWXCWebTWIciLhSs8yh9Vy6oQcYgWfk8ZsefkyNuS5v+jI462fwIFybnljSjqHwWbXqehaufxmfnfa3jxrv/Aw==
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

2026-09-17T09:45:00.864083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090805
observed cb772a4a82807887681fd732813e7c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:00.846376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090805/manifest.json
observed cfff7ab7004f2c9ea0d523b98be74039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:00.827308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090805/publication.md
observed cf66a6d6298150153e4b57fed897be66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:00.809417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090805/publication.txt
observed 690b851b3d25487ef092681911500fe9...
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.