OpenTechnical

OT-2026-000003984

Publication integrity record

Vacuum cup gripper, per zone isolation, six outlet manifold, two stage ejector

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-2026-000003984) never changes.

Identity and time

Publication numberOT-2026-000003984 · never reused
Internal UUID01a0a90c-6921-719b-983d-c90e6642c99d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:09:17.988017Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003984
StatusPUBLIC

Content hashes

Canonical text30bb42fadd2b3f5c7619f2a839bf5b2cd4256f17472a8613b166bb034de5194c
Markdown397d8916a8bcc84efd66fffa671f2325398257295edb22043ba6c4f2b1ba93db
PDF
Publication pageee1b002422f12d476efca94ee0d46aaa0750ccb9971a16e1fa5fe17ba021e347
Manifest8c54c120ebc0a9bc359bf3a51807f6aac119cddb70f4653501636c900a4d989e

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
SignatureClLVe3Wru/1/DnKD0J/LBdVOJRJdln1BhZylMHDg5r1oymnosyzRT+gbHqXQRUTj+n0gnukhRnO5nTiQxGinAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:08.238591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003984
observed ee1b002422f12d476efca94ee0d46aaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:08.223667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003984/manifest.json
observed 8c54c120ebc0a9bc359bf3a51807f6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:08.186788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003984/publication.md
observed 397d8916a8bcc84efd66fffa671f2325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:08.167351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003984/publication.txt
observed 30bb42fadd2b3f5c7619f2a839bf5b2c...
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.