OpenTechnical

OT-2026-000069187

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000069187) never changes.

Identity and time

Publication numberOT-2026-000069187 · never reused
Internal UUID01a0ae90-6dcf-7d73-b86a-854b25666e7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069187
StatusPUBLIC

Content hashes

Canonical textdb62935f190a095147d664f4f9612155ce623fc65d10f646212903399d444d70
Markdown40405bc6f0d95088adc143a70621504417201a5b616c86c11e6ef829de0f6e5c
PDF
Publication pageb378cc86a8adb66b95184051fc3a02a64ae375ac43388f747f945a79a863c142
Manifest993e4082da66d645ae36dbb3b14a80d1cd76b8a89e2089b14dbd7d8c2265e231

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
Signature2zlPzNsTcFsFB/g2M/2fXCXCuBkiXAHq40yXZZ5gV9VXwbqOxwf7vIOIS7NnpwmtCBjLi3F5Z9YjMJp2eXRdBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:04.982458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069187
observed b378cc86a8adb66b95184051fc3a02a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.964540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069187/manifest.json
observed 993e4082da66d645ae36dbb3b14a80d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.947203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069187/publication.md
observed 40405bc6f0d95088adc143a706215044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.929814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069187/publication.txt
observed db62935f190a095147d664f4f9612155...
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.