OpenTechnical

OT-2026-000084441

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000084441) never changes.

Identity and time

Publication numberOT-2026-000084441 · never reused
Internal UUID01a0ae98-5b63-7770-91b1-bb9465092be0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084441
StatusPUBLIC

Content hashes

Canonical textb3407d6bfc3d1c2a4eb00c8d80dd93b2a77bd1528f7f0b4148af6acb0243f218
Markdown2976fc5cb19f5ed3a7bf5705b1d662d112ee9852ebe2b191cab6b04ba1e758ac
PDF
Publication page09df89e541d07de46bd5034a8e326779c975c2243d391aefc5568d59b8855cfb
Manifest71ce0c57bb66bc90e3fb0dbabcfe55d136cd88ef28ab5117962958b2615669e2

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
Signature3O5mFXLiMKJcUbIgziuG9poTD+k9Ays+txVRWfyoKSV3S3P8TPum3hTKp2fdJIepw/GgyU6bsST697QDGZ9uBw==
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

2026-09-17T09:56:23.841403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084441
observed 09df89e541d07de46bd5034a8e326779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.819487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084441/manifest.json
observed 71ce0c57bb66bc90e3fb0dbabcfe55d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.802323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084441/publication.md
observed 2976fc5cb19f5ed3a7bf5705b1d662d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.711837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084441/publication.txt
observed b3407d6bfc3d1c2a4eb00c8d80dd93b2...
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.