OpenTechnical

OT-2026-000063927

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000063927) never changes.

Identity and time

Publication numberOT-2026-000063927 · never reused
Internal UUID01a0ae8d-53bb-7a41-9400-3be5af67b6ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063927
StatusPUBLIC

Content hashes

Canonical textec0815dcb08f106d2f22564c78f29f3e7acdbd79dc2865db8f25626787d23312
Markdownd201e96881c377f878c1c9c710fc67d878bbfbe00a8f0224e23893c0a01655da
PDF
Publication page6418e47084410e4684cfc38af867d92f9fdc357df3ce616fb33b0afa6630c7d5
Manifest14a79b1bc3c99af463f0ed371d1c869124834235e4cc512702451a8ec756520a

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
SignatureDgj8HH3/zFvEG+6I6MP0QN5pCRygyK/AWv8HWw8rMUC2LaAqGuyuqfElhlrcdWG+9ZSLrrUJ4xFUHejosHlhAw==
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

2026-09-17T10:36:58.824726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063927
observed 6418e47084410e4684cfc38af867d92f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:58.806132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063927/manifest.json
observed 14a79b1bc3c99af463f0ed371d1c8691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:58.787940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063927/publication.md
observed d201e96881c377f878c1c9c710fc67d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:58.770446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063927/publication.txt
observed ec0815dcb08f106d2f22564c78f29f3e...
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.