OpenTechnical

OT-2026-000011418

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, vented 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-2026-000011418) never changes.

Identity and time

Publication numberOT-2026-000011418 · never reused
Internal UUID01a0ae6c-88fe-71fa-a237-b60c9f772dce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011418
StatusPUBLIC

Content hashes

Canonical text4299d75c8d546b76136a1c97994193b1fd4b0cbe5d490b46a49fb3b6365024a9
Markdown70902589343e743737b35dd25e46f81f2a9846a296d8d9bf2a0393d67ff65c4d
PDF
Publication pageb9dd93179630e3e84f8aa049e2a77d8cf3079227104c1f3eea90b9d5a4a98da1
Manifest0947633b13e0f6922c43a1db8c27666d47f1ab4f07ffed564bcfed73b975a7ba

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
SignaturehMtQcZnLaPKjFb1EYa7UA0lar7GcyGUH57So1s+zyWfx31R4SJRrUZ/axmxGbtKQ+SKLcocXwBTgSweEhcIEDw==
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

2026-09-17T12:13:10.309402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011418
observed b9dd93179630e3e84f8aa049e2a77d8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.288735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011418/manifest.json
observed 0947633b13e0f6922c43a1db8c27666d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.266764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011418/publication.md
observed 70902589343e743737b35dd25e46f81f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.246483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011418/publication.txt
observed 4299d75c8d546b76136a1c97994193b1...
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.