OpenTechnical

OT-2026-000030867

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000030867) never changes.

Identity and time

Publication numberOT-2026-000030867 · never reused
Internal UUID01a0ae74-3fb5-7140-9bc6-2b7c9554d107 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030867
StatusPUBLIC

Content hashes

Canonical textedc1d14b6a3fc360b2a9f0ebed674f44fe080c3c354bc9255d08304fc29f87c7
Markdown6e12801e87fa088f01542459a29d9e5542d19a93114c8be8aed98a60952b8b20
PDF
Publication pagefe5c8fc075d2dbd1b835673165f954f445033544ab4ff6bdd95575620e911c67
Manifesta2ed7f1fde7797b230521b7a0e73810575734330584f7a2f12c11976ad5d087f

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
SignatureUAleoCT35Eboxpt4Biy1mjObaa1EADHFYAAIQJWkky7GLzedTpZC9XWXyTKIKv+2oeaer/DTWM2XvNdg6v36Aw==
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

2026-09-17T11:36:50.723117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030867
observed fe5c8fc075d2dbd1b835673165f954f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:50.706070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030867/manifest.json
observed a2ed7f1fde7797b230521b7a0e738105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:50.688586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030867/publication.md
observed 6e12801e87fa088f01542459a29d9e55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:50.656328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030867/publication.txt
observed edc1d14b6a3fc360b2a9f0ebed674f44...
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.