OpenTechnical

OT-2026-000066583

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000066583) never changes.

Identity and time

Publication numberOT-2026-000066583 · never reused
Internal UUID01a0ae8e-ce41-73fd-8f62-5173f6ee7b15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066583
StatusPUBLIC

Content hashes

Canonical text38b22c04d240275da53bd26a04f2dd2f90c3c1ee3e8fc94aec846efcfe3a8729
Markdowna343fed33b1be91e8e8dc2ce10f66731bb5b2d8447515df0a70b45c7df3e33b5
PDF
Publication pageae4af5012ff44908bec5fc14c7688dd4f829bf70858d1f43a6c80d2f6dbee906
Manifesta1f00a30eae9e0dfc48044141d7d47c5768c5cd3823d82d66b2b01c68c7d04ea

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
SignatureXBkRcaLXSW04ILgJ3aTyTYqzARzw8FTxEeo32vf4YiG2v3vEPxb19BSbMM+7bG2Clq+EMHBhEoo345m54A1IDg==
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

2026-09-17T10:32:51.495160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066583
observed ae4af5012ff44908bec5fc14c7688dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:51.478721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066583/manifest.json
observed a1f00a30eae9e0dfc48044141d7d47c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:51.463536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066583/publication.md
observed a343fed33b1be91e8e8dc2ce10f66731...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:51.446105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066583/publication.txt
observed 38b22c04d240275da53bd26a04f2dd2f...
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.