OpenTechnical

OT-2026-000023408

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000023408) never changes.

Identity and time

Publication numberOT-2026-000023408 · never reused
Internal UUID01a0ae70-7268-7dea-83e2-98b5a78a83ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023408
StatusPUBLIC

Content hashes

Canonical text8ea9c6d59b48478015dfc47c2d8e573ed5126deb933011d68ce33b80245d8293
Markdown6ef4f42f233bbde1c8412ccf9423b846be3a6530d4d5ca5ab0c396680a66d56b
PDF
Publication page8955b3eae8e80d9c0bc89dce4590e317d9ef32a61e11e23c4f157a2a8d341c6d
Manifesta9e0c8da3a873924892f3988bf8aac2c65cf497e00173fedcd91202abedb6e07

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
SignatureIAx7hmvUlfkZvtcZCDyZRjhL2Ao2zoLYgCW0/gshKN1iJ4rlvh+gByJvn/gOnO2Av2mJqMubDq+uB3GBMWWoAQ==
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

2026-09-17T11:51:36.863729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023408
observed 8955b3eae8e80d9c0bc89dce4590e317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.848722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023408/manifest.json
observed a9e0c8da3a873924892f3988bf8aac2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.832346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023408/publication.md
observed 6ef4f42f233bbde1c8412ccf9423b846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.815019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023408/publication.txt
observed 8ea9c6d59b48478015dfc47c2d8e573e...
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.