OpenTechnical

OT-2026-000023653

Publication integrity record

Single cup vacuum gripper, single stage ejector, sustained 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-2026-000023653) never changes.

Identity and time

Publication numberOT-2026-000023653 · never reused
Internal UUID01a0ae70-aed4-723f-b0a3-7427099921a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023653
StatusPUBLIC

Content hashes

Canonical text5d91557209a523fd9d12f25b502289a9b2c1be843083944b35c9a41c6600c15e
Markdown14c65302a8d1e8cad9b21d75d6f5caa0b442a20eb19903c5c285a864f86cff58
PDF
Publication page7afc5c8e8337228d7eba07aa90b81bd7f9587568c235e3ebdc96450e89aadc59
Manifestc1d208c04c8a0094b6cf8d5261401404f95befb3be20b514235caab9960e5388

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
Signature5rWZ+j16qWHpkZhl6a0dpZV5uZ16QDCez61VZKE35jJBbroIP+h/04UO452//IYyW3N/9WVuouwMpoow3RdXBQ==
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

2026-09-17T11:49:57.996219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023653
observed 7afc5c8e8337228d7eba07aa90b81bd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:57.973790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023653/manifest.json
observed c1d208c04c8a0094b6cf8d5261401404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:57.953087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023653/publication.md
observed 14c65302a8d1e8cad9b21d75d6f5caa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:57.933076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023653/publication.txt
observed 5d91557209a523fd9d12f25b502289a9...
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.