OpenTechnical

OT-2026-000032291

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three 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-2026-000032291) never changes.

Identity and time

Publication numberOT-2026-000032291 · never reused
Internal UUID01a0ae75-106d-7e11-8037-8371ab45f68b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032291
StatusPUBLIC

Content hashes

Canonical text2ef5e1c687d59031dd089723aa7ee7f4f42ad0b0b0b055b2f164dabda53803b9
Markdown2895c80d3d535912f2b163c8afba5fe835cec912e4bcbf0d00ba878c02afa0fe
PDF
Publication pageb87ed2daabf36b33f948c153ec3bda3d03ab0726a8dc21af24cff2d9f759dd83
Manifest95230ec745bf03adac4751df24ec58eb54c390d4fbfa3af8ba1ddc480bb1a43a

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
Signaturebr+uGty1GJRZVQ30xldFgEBYBsEUO0XHi9p6fuCEcUpkgyAGNsVkqeORiMo4ZsCg1eb0zMQ0eU70KjKr9ZnVBQ==
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

2026-09-17T11:33:07.043575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032291
observed b87ed2daabf36b33f948c153ec3bda3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.024245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032291/manifest.json
observed 95230ec745bf03adac4751df24ec58eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.003630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032291/publication.md
observed 2895c80d3d535912f2b163c8afba5fe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:06.985313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032291/publication.txt
observed 2ef5e1c687d59031dd089723aa7ee7f4...
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.