OpenTechnical

OT-2026-000089120

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000089120) never changes.

Identity and time

Publication numberOT-2026-000089120 · never reused
Internal UUID01a0ae9b-db00-7a7a-9bf4-5b861c32dec1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089120
StatusPUBLIC

Content hashes

Canonical text9a6cb206bba06e59a5b92b4a186cf2bb2eddd89f6c3b9038fdb258816f7c74a6
Markdown48680ef5e2d21f21a0a7c518080ac1510122884bfd6dda1088d7c41774c455fc
PDF
Publication page3bdef4b71080d572ddcd01618a259c761a379c8d0549af1542de1b41835b0509
Manifest7c24b9f5c6d2c749b3d867ab172a06119e0516553481fbfecca0383875fbc990

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
SignaturegZuYfPA0DWHyUzgqcETKf+lmsunaItJPC13zfPKLlp64Ni9QnA7k8H/1r2Nh++jZavk16aKrNX/r3TcY3WTSDQ==
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

2026-09-17T09:47:01.917885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089120
observed 3bdef4b71080d572ddcd01618a259c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.899346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089120/manifest.json
observed 7c24b9f5c6d2c749b3d867ab172a0611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.880701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089120/publication.md
observed 48680ef5e2d21f21a0a7c518080ac151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.861949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089120/publication.txt
observed 9a6cb206bba06e59a5b92b4a186cf2bb...
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.