OpenTechnical

OT-2026-000006823

Publication integrity record

Vacuum cup gripper, per zone isolation, three stage ejector, vented before set down, polyurethane cups

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-2026-000006823) never changes.

Identity and time

Publication numberOT-2026-000006823 · never reused
Internal UUID01a0a968-9b6f-7db5-83ff-9539afe83099 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:50:00.178389Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006823
StatusPUBLIC

Content hashes

Canonical text8175da5ed40e39872b5a157e70fa00ff0229d35d12c9e4181520ce95a23b08c8
Markdown0ec051a41f2e83c8460e1e4a5a675c6e1e2cc85ee7a1f44c1a2bb29e357944f7
PDF
Publication page0348f6599dee793430f0b7619f41aa0075e5325742d36499d9cd42ebf5000d19
Manifest2ed9145f1443abb3cb9db09c5fbb3eb5df81d3af081efd9e460f0ce0a3c1a8fe

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
SignaturenKQucgIrOGewqlk65RQoRaPFskUhCGo/5jjq/qQeSDf7G5vSlliYQMmxi74NWxVG0P1ysOLG4FyTaWqOHHuEDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:02.433448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006823
observed 0348f6599dee793430f0b7619f41aa00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:02.413615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006823/manifest.json
observed 2ed9145f1443abb3cb9db09c5fbb3eb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:02.400687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006823/publication.md
observed 0ec051a41f2e83c8460e1e4a5a675c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:02.385339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006823/publication.txt
observed 8175da5ed40e39872b5a157e70fa00ff...
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.