OpenTechnical

OT-2026-000006006

Publication integrity record

Vacuum cup gripper, per zone isolation, plant vacuum fed, polyurethane cups, flat form

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-2026-000006006) never changes.

Identity and time

Publication numberOT-2026-000006006 · never reused
Internal UUID01a0a94c-0ad3-7ea4-bb33-f22dbce462fe · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:18:48.149331Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006006
StatusPUBLIC

Content hashes

Canonical textf1f736b6a4409fd5970092868eb7a9308d24deb0e65407566483559453ea733f
Markdownd7952d3a4e300fcab24eac180c8ac581a4c909dd99ea55c4b1fa6820b31ee8c2
PDF
Publication page13c689a930e76ce461b21737295048b3e87847ad781dc643cf68853fb6880574
Manifest8d6431cf680b54de39fe4c361ff8bd0fe43192b8b917aa2399fac115ac976ec8

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
SignatureuqoAULtsz4y/xofM1O3WrcgXtMh0LODftPY4ygAAP81w9ohVusggn6EDXaf5fHZBAbumvHG4yJ76Zbj6EG3UAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:06.623581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006006
observed 13c689a930e76ce461b21737295048b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:06.501747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006006/manifest.json
observed 8d6431cf680b54de39fe4c361ff8bd0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:06.477564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006006/publication.md
observed d7952d3a4e300fcab24eac180c8ac581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:06.457430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006006/publication.txt
observed f1f736b6a4409fd5970092868eb7a930...
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.