OpenTechnical

OT-2026-000066235

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000066235) never changes.

Identity and time

Publication numberOT-2026-000066235 · never reused
Internal UUID01a0ae8e-8dc4-70ab-9eb3-89cd5971338e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066235
StatusPUBLIC

Content hashes

Canonical text8915da8007c41fc9f7d186c33e8f91f705941b499f3d0a9d520ec2b2e469ff28
Markdownaffe14bf2a6968c45d1ee7571dc38d4eb8bd2b59f5615eb2f56e382945913ba4
PDF
Publication pagedf584ec27b2cd9e0698752d46a2d2a2692be8bd68e52339f2bdaf50a430568af
Manifest9f812204be8a45793ae8a3e3a5f1230480713eac169b2005a4a8314e4c4a9b1a

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
SignaturejilrE/q96gfihpif2/BKg0lJMsStxWpQ626fBq27XpXxZ8ghwlRRXtMnTcSQOuipMHP6/10UCs0L6WFb5AfSBg==
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

2026-09-17T10:33:24.072297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066235
observed df584ec27b2cd9e0698752d46a2d2a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:24.054934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066235/manifest.json
observed 9f812204be8a45793ae8a3e3a5f12304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:24.037717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066235/publication.md
observed affe14bf2a6968c45d1ee7571dc38d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:24.021626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066235/publication.txt
observed 8915da8007c41fc9f7d186c33e8f91f7...
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.