OpenTechnical

OT-2026-000018023

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000018023) never changes.

Identity and time

Publication numberOT-2026-000018023 · never reused
Internal UUID01a0ae6e-96fc-719a-8d92-711f2143cf12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018023
StatusPUBLIC

Content hashes

Canonical textbe015704f8d3eeb1d7425321d16d8d91436e16520104770885fc8ac01f4f9d5e
Markdown58426c32959332fab472ec6a80633dddb5b684dd09351de19f4bb8180cf964b8
PDF
Publication page7b1278bba1c004b213fc85ba9935b57ff2b5e5f5cff5fc21238dd05d55087381
Manifest8ea115364b71fa1818bd0e98a44b0dc7fa4a89b059d263a4b08e2509590492ab

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
SignatureLbOvCbsZFQb+/YRcG7IRyHcvPTm5zQ8QSUji7NxeqHYQvGvI/NDbAchHQQblHzzlYTDkG0Ge8PZ/3Tjh5jM5Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:02.936652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018023
observed 7b1278bba1c004b213fc85ba9935b57f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:02.919696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018023/manifest.json
observed 8ea115364b71fa1818bd0e98a44b0dc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:02.902366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018023/publication.md
observed 58426c32959332fab472ec6a80633ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:02.884081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018023/publication.txt
observed be015704f8d3eeb1d7425321d16d8d91...
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.