OpenTechnical

OT-2026-000076272

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000076272) never changes.

Identity and time

Publication numberOT-2026-000076272 · never reused
Internal UUID01a0ae94-6a6f-78bc-a2b2-755665e46afa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076272
StatusPUBLIC

Content hashes

Canonical text97e977a35e169c31e215e037170a065ae1d3a140487b102eee3e5bcfa8997c40
Markdownc33a3d69ee7f2a32a4001887c114e29fb7fc482357ad98448047edc2928bf755
PDF
Publication page70c04500bbd5433b6f8bacde2606671e9523590827662294c5c55ecc2fd1d071
Manifestc1e6ac38ce7d5fb20c97add29fe5f6b8229496711bdfa8a038abaaa21107c9fa

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
SignatureWnX1/nM5Xx0SnLyv3Hdla67TUynWyNlO9T84oq9/dHo9s/1T2FE+mZk+ypldKEaTscqMAYCmgA/2uNUSLTEjBg==
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

2026-09-17T10:12:01.468082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076272
observed 70c04500bbd5433b6f8bacde2606671e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:01.450221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076272/manifest.json
observed c1e6ac38ce7d5fb20c97add29fe5f6b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:01.308656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076272/publication.md
observed c33a3d69ee7f2a32a4001887c114e29f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:01.234739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076272/publication.txt
observed 97e977a35e169c31e215e037170a065a...
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.