OpenTechnical

OT-2026-000051678

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000051678) never changes.

Identity and time

Publication numberOT-2026-000051678 · never reused
Internal UUID01a0ae83-7c82-7071-a3d1-789035f1106e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051678
StatusPUBLIC

Content hashes

Canonical text93650b909f3054db502d63c10efb11253288bca13d880cdc667e778c553c4706
Markdownc9ec59c262186045124f66da3a7b9f0d952e87af90c3fcd1048bfa53047b573d
PDF
Publication pagef4651f87cd5f420e988b1a9cd1829dc91611da179edf7c9b20b42d131ebc19c0
Manifest9b9536e099b37551ac808b394d34b700efcb907f06163775db6d469e5fdf9e05

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
SignatureGogdNk+9E51MuFfNmfOYTF9yNcJVcgv590hMC7ND521EKMcM/IqMpt3vGESJho3O7ZwUwx/vhNRvYHLW/HxVDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:33.108988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051678
observed f4651f87cd5f420e988b1a9cd1829dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:33.089131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051678/manifest.json
observed 9b9536e099b37551ac808b394d34b700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:33.072455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051678/publication.md
observed c9ec59c262186045124f66da3a7b9f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:33.048354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051678/publication.txt
observed 93650b909f3054db502d63c10efb1125...
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.