OpenTechnical

OT-2026-000091686

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091686) never changes.

Identity and time

Publication numberOT-2026-000091686 · never reused
Internal UUID01a0ae9d-43b8-7ece-b07e-a2659284a24c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091686
StatusPUBLIC

Content hashes

Canonical text3c702acfc6dd272d8b175c4a1fe1c550ec81ee149ea6063307c9048582dceec5
Markdown5e9a0ca06540477f69b59c8820aebef970407b827619c58f962b5a12cb8c8ecf
PDF
Publication pagec2b0a56aa9a03a22395e731e50153991e44d980bb8a91b9ff8093f73b52ef11f
Manifestc817b3136eb036d05a09dc34e8b81eeb416ed0ab291e57ebff553d0c2e6ea4d1

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
SignatureCJq+Ik/VVDOEclEmwdHCFivh/uBJvSOkVnPUnTfck4x7oYvoLuOeS7q+zq6IBGHU2473d7O95pTLfzlQZpKrBg==
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

2026-09-17T09:42:04.119145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091686
observed c2b0a56aa9a03a22395e731e50153991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:04.102821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091686/manifest.json
observed c817b3136eb036d05a09dc34e8b81eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:04.084981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091686/publication.md
observed 5e9a0ca06540477f69b59c8820aebef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:04.066915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091686/publication.txt
observed 3c702acfc6dd272d8b175c4a1fe1c550...
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.