OpenTechnical

OT-2026-000066571

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000066571) never changes.

Identity and time

Publication numberOT-2026-000066571 · never reused
Internal UUID01a0ae8e-ce41-75f1-8e66-e165e33e5d25 · 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-2026-000066571
StatusPUBLIC

Content hashes

Canonical textc45581ff8afa8cd1bb7f06289797e714e8347849cfacaf03b4224be1d2a2d927
Markdownc944114d697e13df05f8189358ba8c2dca2cac2205468dff03b4c0e4c43cfd2d
PDF
Publication pagef8eb63d76d29a7391f7f0456aa1a39c46a9d1f097bee7ae172f33a7da1956ebd
Manifest4ce34a0460e068629f1ca3cdcd18cfd57de791a01330ff4db6f4bc1de18fbc94

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
SignatureHQQikzlAqVl3t6ee1p/Uhaishj1xltdmr6n0NvxN3Dv4jR5Po65e/EZADTRLQ1mwh4opEfAnOl8/nHSOjiqoBA==
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

2026-09-17T10:32:50.642706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066571
observed f8eb63d76d29a7391f7f0456aa1a39c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.623984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066571/manifest.json
observed 4ce34a0460e068629f1ca3cdcd18cfd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.604917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066571/publication.md
observed c944114d697e13df05f8189358ba8c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.587621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066571/publication.txt
observed c45581ff8afa8cd1bb7f06289797e714...
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.