OpenTechnical

OT-2026-000083737

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two 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-2026-000083737) never changes.

Identity and time

Publication numberOT-2026-000083737 · never reused
Internal UUID01a0ae98-0417-717b-b0bb-1faff85bf4e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083737
StatusPUBLIC

Content hashes

Canonical text8e062574fb881dd91192eec8a59930026f24f0f8f31e3eece7cac089cd70fc64
Markdown9f9481a0987d838941ebc01cba5826ec60617e86c2d0918a10c382dc66e1922c
PDF
Publication page6ca8417dacd07004468847f6923013e3e89f46c92a49e4ef40bd19e7aca342a7
Manifest749fad1d3225f57097293331413a6364da9faaf6d6fae9fe5142ce1f761bbd18

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
SignaturegGMfbT5PvOyf3XHyNYiJCMZElCWCnvUbD3nRRe8h5QqqXoCQR59M+XtsXTxLJa/Fy8lrm5JSzY1nTC2fLjelDA==
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

2026-09-17T09:57:22.336038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083737
observed 6ca8417dacd07004468847f6923013e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.319124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083737/manifest.json
observed 749fad1d3225f57097293331413a6364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.302406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083737/publication.md
observed 9f9481a0987d838941ebc01cba5826ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.283852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083737/publication.txt
observed 8e062574fb881dd91192eec8a5993002...
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.