OpenTechnical

OT-2026-000071176

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000071176) never changes.

Identity and time

Publication numberOT-2026-000071176 · never reused
Internal UUID01a0ae91-e0eb-7646-af52-e85f8f528639 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071176
StatusPUBLIC

Content hashes

Canonical textf123dac53222a35ae5b9cfad1aefa6dfc246857e7bb98ed6b160db3f8cfa4087
Markdown8f037bf842f5f8836c88acbc107d24c339c3bf6ab9f6a9bff3a69f3fe20aca0a
PDF
Publication page293cce15e87f9f5b5bfabf3775efc4b86d307773d0a6878fe4ae39e7a91d05e2
Manifest0deb52feaeb2534a74884dd7cffa0c5fcc3905e0e4d1afb8a2150e81d2f6348d

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
SignaturepiAuLr++VpWceNjHt57Vp4SMzzIpTyAv0FlKolZqXdhJpLHt+AQUABJnTu7zs9FCuPXHeS2CSzIP6O0XAbXPAg==
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

2026-09-17T10:24:41.343694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071176
observed 293cce15e87f9f5b5bfabf3775efc4b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.327335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071176/manifest.json
observed 0deb52feaeb2534a74884dd7cffa0c5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.311099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071176/publication.md
observed 8f037bf842f5f8836c88acbc107d24c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.293262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071176/publication.txt
observed f123dac53222a35ae5b9cfad1aefa6df...
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.