OpenTechnical

OT-2026-000086121

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three 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-2026-000086121) never changes.

Identity and time

Publication numberOT-2026-000086121 · never reused
Internal UUID01a0ae99-e82b-776d-92a8-f1b4162c67dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086121
StatusPUBLIC

Content hashes

Canonical texte2880d96deabe42d71eb57d97fb7398b7b669d35a3f8d66921560a6ef8225476
Markdown956376140a9b705173b8580f7f627baf456aabebffea97492ba4a573216d0767
PDF
Publication pagee12bb8668abc27e8a81b1300d9fb20ba66476ae7e13312616b45fb4a8f7ee9ac
Manifest3926394b80888423ff5a19cff06d6115e3bb76a644d25de334805f9c0bf2cb65

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
Signature64fKU2r1Av9bwX87qK9HXWmiSB617F1RuZ0kz8xDFL/wo0t8rvRDmk/MbikBWf2v+Slh80BVvUq2xZ8pPP0CDg==
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

2026-09-17T09:53:46.693995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086121
observed e12bb8668abc27e8a81b1300d9fb20ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:46.675392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086121/manifest.json
observed 3926394b80888423ff5a19cff06d6115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:46.656434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086121/publication.md
observed 956376140a9b705173b8580f7f627baf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:46.636725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086121/publication.txt
observed e2880d96deabe42d71eb57d97fb7398b...
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.