OpenTechnical

OT-2026-000033998

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, pulsed blow-off after 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-2026-000033998) never changes.

Identity and time

Publication numberOT-2026-000033998 · never reused
Internal UUID01a0ae75-df0c-7efa-bd49-10fe8940309c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033998
StatusPUBLIC

Content hashes

Canonical text7d0306f7ed9d44a1b9f6009813ce00505b9291e6df2f09e4baf1c839415aaeb8
Markdown1f1ea838058e3119744b05d6184ace2613a5575d4f35dc18d17dfbd51624aefc
PDF
Publication page66c7787698342bd5cd4b9f9c63d139de306e29164ca22d696d95042f6ccb3f4a
Manifest42eb9867e4acc519c723984c66f8e2f0251a083317bd911548761d6d358fc930

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
SignatureZmIwktoZRKX9Qwnih41tbjua6R9iJzYJdhrCEHSR630LpGJx8LpqClWh/7TaF7iICjTJ3fHItldqFg2SrPqVBw==
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

2026-09-17T11:30:12.653722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033998
observed 66c7787698342bd5cd4b9f9c63d139de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:12.633776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033998/manifest.json
observed 42eb9867e4acc519c723984c66f8e2f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:12.604671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033998/publication.md
observed 1f1ea838058e3119744b05d6184ace26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:12.582902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033998/publication.txt
observed 7d0306f7ed9d44a1b9f6009813ce0050...
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.