OpenTechnical

OT-2026-000083533

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, sustained 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-2026-000083533) never changes.

Identity and time

Publication numberOT-2026-000083533 · never reused
Internal UUID01a0ae98-0415-715d-a156-1a69d5bfb9ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083533
StatusPUBLIC

Content hashes

Canonical textd611ba00595682c07aa410a4ab1b8661cc0848b81dedc948f95570cee9c59a13
Markdownc5a6d46605107c43cddfa1821fcab41af96773054ff05b47051d13c6ecc44ee5
PDF
Publication page3e594a5bf5469e70940f46382cf2bdbe9a8fd36f92390393ffdaaf285bedde1f
Manifestd53d26a2ec338d7cff4286106e8a62b3039dfe87ceb04609ea773b43699a02c1

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
SignatureKnuO1nLc8PliWRn79JkWtTHYyrNOSEIaovCxsvv543Vcs7O5CSEUXs6FTdxEG2MiRYP4Q2Gqih70YYj8KC3jAQ==
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

2026-09-17T09:56:31.015189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083533
observed 3e594a5bf5469e70940f46382cf2bdbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:30.998174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083533/manifest.json
observed d53d26a2ec338d7cff4286106e8a62b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:30.980933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083533/publication.md
observed c5a6d46605107c43cddfa1821fcab41a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:30.964578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083533/publication.txt
observed d611ba00595682c07aa410a4ab1b8661...
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.