OpenTechnical

OT-2026-000086165

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000086165) never changes.

Identity and time

Publication numberOT-2026-000086165 · never reused
Internal UUID01a0ae99-e82c-7605-8941-0940e2fdb2c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086165
StatusPUBLIC

Content hashes

Canonical textb9796fa1997db77355ee380f31fd78b63d73b9ae1c5e28290d0db4420c98bcb3
Markdownec55da39ceb22cae990dc913c6240cc0bf8845f395b21523e7a77d00605b6275
PDF
Publication page9ce1a7192b18bc15a9312ee81dd5a0cfcc235721cc1e70559301f36f825d571a
Manifest000eef1c0962f90dba48d1a6662f33bd1a0e9b85efbf2d3b9939eff8cba8495c

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
SignatureSJZyUchN9vm+nUSwYJI41rVNFU0vd9mw5W8+81rMq2EB1brMLH6Bw4plOLtYVvLjpePnDuGzd0dAX9/2IqltBw==
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

2026-09-17T09:53:50.335731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086165
observed 9ce1a7192b18bc15a9312ee81dd5a0cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.318473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086165/manifest.json
observed 000eef1c0962f90dba48d1a6662f33bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.300823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086165/publication.md
observed ec55da39ceb22cae990dc913c6240cc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.283264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086165/publication.txt
observed b9796fa1997db77355ee380f31fd78b6...
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.