OpenTechnical

OT-2026-000095870

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000095870) never changes.

Identity and time

Publication numberOT-2026-000095870 · never reused
Internal UUID01a0ae9f-fac7-7d7b-9c21-f61f21e539d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095870
StatusPUBLIC

Content hashes

Canonical textb3d3a036f1f317817cf915180b6c1f5f65b8cebe1976cd7085f3652ab9305587
Markdown06b4a47f75a384a63be75f150e36582d0f738870fd753d1081e29a466c02b2d1
PDF
Publication page3af71f41093d1a3397bc6ab3097c2fb64c0d8bcb35d659a31d5315509e868a1b
Manifestd69bc611e4c732276846a1104ab140c354dab422b6e33c7af3512d491aec22cd

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
SignaturehMUmkGLWTDXyoL9NndZB+dJ+lDC5ybPNmPqy6PAq7hD/U1uMDdEyvf1uuGfZIQYxK7Avv2hLa7rWQJlw2r9ECA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:57.944897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095870
observed 3af71f41093d1a3397bc6ab3097c2fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:57.925115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095870/manifest.json
observed d69bc611e4c732276846a1104ab140c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:57.905173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095870/publication.md
observed 06b4a47f75a384a63be75f150e36582d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:57.885690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095870/publication.txt
observed b3d3a036f1f317817cf915180b6c1f5f...
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.