OpenTechnical

OT-2026-000015552

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, pulsed 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-2026-000015552) never changes.

Identity and time

Publication numberOT-2026-000015552 · never reused
Internal UUID01a0ae6d-ef4b-7dc0-9c26-7a8ed26814e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015552
StatusPUBLIC

Content hashes

Canonical text06180a9928a108c11d4862ed0e82d5288e8942bd8de1d39d38e7fb8d77b39048
Markdown3cc16f047d2d2012634363d10f49687c109c73d4afc26f831d5c8919954e284a
PDF
Publication page87c97b0a1afb1824065b78883c92bfb46f0985d82f305f51ced28cf955c1e128
Manifest0191fdbce7bb27b8ab2b7a2d4e5361c7113e64fb6dfd27406c5624c141bbb858

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
Signature+Lr4Y7JXZjAUfSyFhpr6pIbJWsUoUfbNk74gk4tKrx59NUB4tUr+UecdVOPtoZnaGlaMp7eGNQB+fpSwimxmBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:06:20.291521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015552
observed 87c97b0a1afb1824065b78883c92bfb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.271517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015552/manifest.json
observed 0191fdbce7bb27b8ab2b7a2d4e5361c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.251946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015552/publication.md
observed 3cc16f047d2d2012634363d10f49687c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.232376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015552/publication.txt
observed 06180a9928a108c11d4862ed0e82d528...
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.