OpenTechnical

OT-2026-000016927

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump 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-2026-000016927) never changes.

Identity and time

Publication numberOT-2026-000016927 · never reused
Internal UUID01a0ae6e-591a-79de-99bb-2d3518882977 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016927
StatusPUBLIC

Content hashes

Canonical textfdd04b29e2f1a1024cc5e1691cbe4b510f7f6b40adefd805b46e693e2f8072fb
Markdownf5b226801dfd48a29f343f67e16fef13bd132962e90258e7253865e8fc544e94
PDF
Publication pagefcf8ad90cbd2115fff2811a62f8934b5943935da83337cc2d122d008aa94c09c
Manifesta5547e1a2d27cdad741cea83adb6c7401ee0161ff6369ae8458e428290cc305c

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
SignatureHxUz/+y9Kk3HzO1mXqxI+UV6FF+Vm8Gq2lt5NH5vGmJzvpS04jf8xu4JvRZuQng+e1l23OqENnZWuxV6BLVhBg==
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

2026-09-17T12:03:12.520380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016927
observed fcf8ad90cbd2115fff2811a62f8934b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:12.503760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016927/manifest.json
observed a5547e1a2d27cdad741cea83adb6c740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:12.487387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016927/publication.md
observed f5b226801dfd48a29f343f67e16fef13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:12.471444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016927/publication.txt
observed fdd04b29e2f1a1024cc5e1691cbe4b51...
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.