OpenTechnical

OT-2026-000041276

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000041276) never changes.

Identity and time

Publication numberOT-2026-000041276 · never reused
Internal UUID01a0ae79-b144-7a0e-b660-231cc328eb02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041276
StatusPUBLIC

Content hashes

Canonical text3d581e380a6928cbd6ed5aaa8eb634c8533c230c7c06d8a872a5b02f07510217
Markdownddb3bb36fb7764002a1f0a9fd860353ee4503d64b5aea0312e5afd4f1287fecb
PDF
Publication pageceb3abbe1259a40dffb4043a5079dae14833ca3bf62423ce4ed6c291a8d4ee85
Manifest16f60aedace49c6863df9ccf992ccb705fffddb789148923eab870f81ea84017

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
SignatureYyTi0iAqixRT4wvnU+17BiuelbM+LEN2DLOdzpH8m/Gnw+zSuUXd2IAhQ9VcoOIdQDrtmYCoPRkSdl836JYkAA==
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

2026-09-17T11:17:15.184076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041276
observed ceb3abbe1259a40dffb4043a5079dae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.166378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041276/manifest.json
observed 16f60aedace49c6863df9ccf992ccb70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.146872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041276/publication.md
observed ddb3bb36fb7764002a1f0a9fd860353e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.131112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041276/publication.txt
observed 3d581e380a6928cbd6ed5aaa8eb634c8...
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.