OpenTechnical

OT-2026-000012498

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000012498) never changes.

Identity and time

Publication numberOT-2026-000012498 · never reused
Internal UUID01a0ae6d-39f7-76ea-9f5c-22d654df461d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012498
StatusPUBLIC

Content hashes

Canonical textf934b643bfb6ad0d33fd4e1b8284db343bd3505a3c20c84fb762427ade3f65fa
Markdown915fa0e7f00618ac0fa32c8918a8c05d6348eaece5186026db40b8bd93ceda74
PDF
Publication pagedbbcacfe4439213d4d42946db6b418f0d2e01e0aedb2a5cefd59f5e2c4bae21c
Manifesteaa01e80954841d0dacde3c605112d41d33ae3f83ad6ffed59fd0cc290593b97

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
SignatureJhUkIiycuOpKWqoQISic/unCAWnGbxRKSKKA9tCxgcM//vF4LEASrmccTU3mc4muXOdI5xj9VqqDltXrLJBKAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:12:00.959696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012498
observed dbbcacfe4439213d4d42946db6b418f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.940430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012498/manifest.json
observed eaa01e80954841d0dacde3c605112d41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.922670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012498/publication.md
observed 915fa0e7f00618ac0fa32c8918a8c05d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.904652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012498/publication.txt
observed f934b643bfb6ad0d33fd4e1b8284db34...
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.