OpenTechnical

OT-2026-000092551

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000092551) never changes.

Identity and time

Publication numberOT-2026-000092551 · never reused
Internal UUID01a0ae9d-b5fd-7ffe-818e-8bd71696f400 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092551
StatusPUBLIC

Content hashes

Canonical texta89734d218708e4f21bff33d7298567efa2be15c3297b9e70cad1a6e214861e2
Markdown4551229d9e5d8ca2d30fa3ea4ed195eb93ceab811328fbf68fe06be3c7955336
PDF
Publication pagee0025ca2fef3843895771910f496767de61b88ce17821d196b848d7c0f82bdbc
Manifest28ded93c32c29ded7db31316ee0ad34922915f0178a289a419600b0ca4f7be4b

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
SignatureAzyHrNyF8GshX9JcP40VPIvcRQGGLKbnVDCzqPnXhOuhWwW2zWTApyxuv6Yg6+e2hojIGyCpK+Sk8v/YwdS2Bg==
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

2026-09-17T09:41:08.219918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092551
observed e0025ca2fef3843895771910f496767d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:08.201729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092551/manifest.json
observed 28ded93c32c29ded7db31316ee0ad349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:08.183305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092551/publication.md
observed 4551229d9e5d8ca2d30fa3ea4ed195eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:08.165487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092551/publication.txt
observed a89734d218708e4f21bff33d7298567e...
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.