OpenTechnical

OT-2026-000003618

Publication integrity record

Vacuum cup gripper, four zone face, four outlet manifold, ejector fed, vented 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-2026-000003618) never changes.

Identity and time

Publication numberOT-2026-000003618 · never reused
Internal UUID01a0a90a-8cee-7d76-9ce8-fa54050742df · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:16.081973Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003618
StatusPUBLIC

Content hashes

Canonical text07b7b1b1887a8954f690c5371cc81466dc7087f04ba848631aa30d36c3e07a87
Markdown8d44bf541a600ca6fd145bcc09cd8caca4e202f085230be631579371f82e7212
PDF
Publication page1f0d07745e35056ccdd5ca8e83f18c55df8c8c64d1c744ec79bb26eefb98bcab
Manifestc2fde9d1f56a3b12895f03ad5f7471ff68dfc35c9e279af6b342af73875dea95

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
SignatureDQ692OvVPbkHBkWn8mBztB4Tuiq4YGMEhJiRzyLe1Ag6TCg1y2mOlO7kfN9KRv4vrb2XTfqiFUKoAaoX2Gw9Dg==
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

2026-09-16T08:30:37.642790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003618
observed 1f0d07745e35056ccdd5ca8e83f18c55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:37.624994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003618/manifest.json
observed c2fde9d1f56a3b12895f03ad5f7471ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:37.483379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003618/publication.md
observed 8d44bf541a600ca6fd145bcc09cd8cac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:37.465044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003618/publication.txt
observed 07b7b1b1887a8954f690c5371cc81466...
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.