OpenTechnical

OT-2026-000023992

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000023992) never changes.

Identity and time

Publication numberOT-2026-000023992 · never reused
Internal UUID01a0ae70-aed7-720b-a73b-29c97f792bba · 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-2026-000023992
StatusPUBLIC

Content hashes

Canonical text89c3b55461e9e2da5d70590376561ee2b2aa4598579f9965b3bc20b0688486ad
Markdown8800a2205d4866221fa8d0121d4acb84af2d34d1961e961c4856f9cbed71315f
PDF
Publication page8e819059c1278fa16a4f9057d5f2187307bed73a1488561cc184c9be4bb4b262
Manifest2c8e62d96176948f25882c3c4e614005fa5d6b07eafb69858b922551e6d91006

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
Signature/9YDGi++9MAiuqHGi5Hz2xwUYMOtLXjfFy5WHbJSfapt/rDgDuBuRVvyr5rFoMojxWIUtTeUmrZCD4iL3Z6jBg==
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

2026-09-17T11:50:45.874560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023992
observed 8e819059c1278fa16a4f9057d5f21873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:45.855924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023992/manifest.json
observed 2c8e62d96176948f25882c3c4e614005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:45.836044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023992/publication.md
observed 8800a2205d4866221fa8d0121d4acb84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:45.815934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023992/publication.txt
observed 89c3b55461e9e2da5d70590376561ee2...
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.