OpenTechnical

OT-2026-000082193

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, sustained blow-off before 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-2026-000082193) never changes.

Identity and time

Publication numberOT-2026-000082193 · never reused
Internal UUID01a0ae97-4d93-7666-912c-2974623fe4c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082193
StatusPUBLIC

Content hashes

Canonical text7a6b751ce5447fb1cdd77bc97366b6e7c86a39022a564c556252d850f1744346
Markdown8aa162af91fe6b15575b393c7ee80b615f0e8e22154e83cbfdc837a1b717666f
PDF
Publication pageb2153a3dc1bca9441208cda09a8f8a19fc62743aa5d59c71a4d1d674e635e837
Manifest3f09c0e69f7b77558318698ae6e932c755fd8d362a09f6bc9f84327c62cefa34

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
Signatureqo4kHXM6BjZ5+7j8LLT+pO9tCZ0Ix/vWQPtdPzczR85krT/WB51UZB1S1PzrhxYjrBseTmv7AwVyMxH1ICllBw==
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

2026-09-17T09:59:01.430304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082193
observed b2153a3dc1bca9441208cda09a8f8a19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:01.411989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082193/manifest.json
observed 3f09c0e69f7b77558318698ae6e932c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:01.393923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082193/publication.md
observed 8aa162af91fe6b15575b393c7ee80b61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:01.377341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082193/publication.txt
observed 7a6b751ce5447fb1cdd77bc97366b6e7...
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.