OpenTechnical

OT-2026-000043166

Publication integrity record

Foam pad vacuum gripper, two stage ejector, sustained blow-off after 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-2026-000043166) never changes.

Identity and time

Publication numberOT-2026-000043166 · never reused
Internal UUID01a0ae7b-327b-7a5d-a4f1-8196ceb5da09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043166
StatusPUBLIC

Content hashes

Canonical text943fd5996730c4fea4311ceaed285299ae6ecf200b28c48fb84dae0104ae4c65
Markdown4ea9a9a36358556b1282919dcb58fa9404e6792a16f57c40d67d6c6db16317fb
PDF
Publication pageacdfc36053bbda957e442f768a1961a33ca695056dc3e50a7fa6d377653beba7
Manifestf403a4ac129123e4b4e7c0769c02da54d444f0e58b3ac9c20b1d81842801a7aa

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
SignatureaweYN+1kp8GZMTug53zT7cfEaz1EOgT0GFyt69xYbzw7arbMWMZHZV5ZLpbEQ/yIE/FY/76Nc9FpMG85eJZuAQ==
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

2026-09-17T11:13:36.677266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043166
observed acdfc36053bbda957e442f768a1961a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.659128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043166/manifest.json
observed f403a4ac129123e4b4e7c0769c02da54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.641012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043166/publication.md
observed 4ea9a9a36358556b1282919dcb58fa94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.622265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043166/publication.txt
observed 943fd5996730c4fea4311ceaed285299...
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.