OpenTechnical

OT-2026-000032485

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000032485) never changes.

Identity and time

Publication numberOT-2026-000032485 · never reused
Internal UUID01a0ae75-106f-70a6-a6b3-c56f371734b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032485
StatusPUBLIC

Content hashes

Canonical texted25abc15ce2055c883bd2b0364efc96bce44d540cb9884db403d5cf165057d6
Markdown4468391374224deaa35e8ec8c524857c8262071b1c1635f8710a5e2471919c5b
PDF
Publication page83c1cda86b3f450a8d17fc75f58f30d291ec8ab6e09a8591d2ef13c0fb0f3b38
Manifestd0ec4113f22abdd4078d254e5f329a6762af08a24011027e4dc90d2a1c75dedd

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
SignatureR3bkuAssoe31RHogUWm+Jt8h6oUXSd/LTGWaGot1ImMeUtmMYqkZMS8vncUeUsHBkx/fl4WEARhGhCEvQcLrCQ==
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

2026-09-17T11:33:55.309658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032485
observed 83c1cda86b3f450a8d17fc75f58f30d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:55.290439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032485/manifest.json
observed d0ec4113f22abdd4078d254e5f329a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:55.251863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032485/publication.md
observed 4468391374224deaa35e8ec8c524857c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:55.228626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032485/publication.txt
observed ed25abc15ce2055c883bd2b0364efc96...
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.