OpenTechnical

OT-2026-000092124

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, 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-2026-000092124) never changes.

Identity and time

Publication numberOT-2026-000092124 · never reused
Internal UUID01a0ae9d-8759-71cb-b9f4-05a8ea90721a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092124
StatusPUBLIC

Content hashes

Canonical text7215e53c4c210bcfa4dfc4eb69a97cd08c61fd1fc84d287cb7252e76134e61a1
Markdown270015caf84c49e72d548a2260cebdec00ce756d6266aed5bf12d4095784413c
PDF
Publication pageff79b6e55aac0bae8cf5d46990fb04064eef936b310950b78f94773128ad7661
Manifest6a1526069732d060951c014d432452974d15cbcd65f71c7570246c184f141137

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
SignaturemX736Woc7SCsoXBXLf+Cr6pi/AI23jcOYwG9ef+i2yp/kAZ6hFKSu1RymBgkO2eBqRKnuqzxVW6d4RdK4eLXBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:35.489279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092124
observed ff79b6e55aac0bae8cf5d46990fb0406...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:35.471212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092124/manifest.json
observed 6a1526069732d060951c014d43245297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:35.453689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092124/publication.md
observed 270015caf84c49e72d548a2260cebdec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:35.436096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092124/publication.txt
observed 7215e53c4c210bcfa4dfc4eb69a97cd0...
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.