OpenTechnical

OT-2026-000010823

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000010823) never changes.

Identity and time

Publication numberOT-2026-000010823 · never reused
Internal UUID01a0ae6c-540d-763b-a749-c9e3a7fc20e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010823
StatusPUBLIC

Content hashes

Canonical text0cb0c84b5fe9332c21913ebfa45006f979e7b8928a34ff60a5ffb01cb292c57e
Markdown55b78f61c64ce32fa1741c3a674651de69ea9624510350b5ba7f417679c8dbd8
PDF
Publication page7da3ac22fdb982de3662090208db6c730ea4c63e15b528fc24872e60aae85184
Manifest550453f482908ec461f1f56be2ed92cdb8710045ac3c54c4320bb0eaa18ac961

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
SignatureWwAegocixgDymAztaNx031+FZ0oN/CCJJgmWzojrQXUEMUEzoPZ22Abv8h/Qi82KUJiurJDvwTc9lRbOj5+4AQ==
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

2026-09-17T12:13:34.476324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010823
observed 7da3ac22fdb982de3662090208db6c73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:34.457248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010823/manifest.json
observed 550453f482908ec461f1f56be2ed92cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:34.436635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010823/publication.md
observed 55b78f61c64ce32fa1741c3a674651de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:34.418143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010823/publication.txt
observed 0cb0c84b5fe9332c21913ebfa45006f9...
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.