OpenTechnical

OT-2026-000071006

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000071006) never changes.

Identity and time

Publication numberOT-2026-000071006 · never reused
Internal UUID01a0ae91-8c2e-7d7e-b926-7a0b647ebcd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071006
StatusPUBLIC

Content hashes

Canonical text4183956e4c95c7f3497632799aea61ec34fd8c524bf2fb99b68ceda8e5144d0a
Markdown4728604b3bdd2a7b97aa549b61e06cd4b663febb3951c8a23d36f37fd0ee30b3
PDF
Publication page9726053d05dd54ec462e84ad4b4f9fc18d506bfdf83806741002ec80e690de07
Manifest2e3d1be9c2ecd8a7b11efe0ace6e2ff0e76fdf8952efb1b654b35cd42ff198ed

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
SignaturehvCi8BDxfYGLllq65TM5GSZnSCviZu900COBSoGiF9NWp0fKLq8ZMtDeuqkXmwgSd3+0n5kjjlAjvzNcaUb1Dw==
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

2026-09-17T10:25:51.432463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071006
observed 9726053d05dd54ec462e84ad4b4f9fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.416418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071006/manifest.json
observed 2e3d1be9c2ecd8a7b11efe0ace6e2ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.399883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071006/publication.md
observed 4728604b3bdd2a7b97aa549b61e06cd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.382005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071006/publication.txt
observed 4183956e4c95c7f3497632799aea61ec...
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.