OpenTechnical

OT-2026-000017699

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000017699) never changes.

Identity and time

Publication numberOT-2026-000017699 · never reused
Internal UUID01a0ae6e-96fa-7028-8968-591dd4f30ca4 · 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-2026-000017699
StatusPUBLIC

Content hashes

Canonical textbba3d79e2c3b81bc77c7275ae60a778a7dd843bfd092fc644f97f4103a518f21
Markdowna79edd9e7fc80c26934adecbf0baf80fbe09b0e88382ca32b32c5a9fb10734de
PDF
Publication page73126cd6a39d0b8518c32496898014d1478478b977a6fed92b1ad3a3d702a5c8
Manifest7cb62fa5faef87afe3edf58f1df06a4578d2f5622cb343e9397b46404c802b55

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
SignatureMDRxElfTP+2H2V4GMJ1FCW4k4c3CYwFJQoVx1Wx2Z3rvmVlYDYZlPiPJGXHz3N+KPlftu00tkFQw+YxroewXDQ==
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

2026-09-17T12:01:38.957310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017699
observed 73126cd6a39d0b8518c32496898014d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:38.939689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017699/manifest.json
observed 7cb62fa5faef87afe3edf58f1df06a45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:38.921548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017699/publication.md
observed a79edd9e7fc80c26934adecbf0baf80f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:38.904738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017699/publication.txt
observed bba3d79e2c3b81bc77c7275ae60a778a...
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.