OpenTechnical

OT-2026-000061868

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000061868) never changes.

Identity and time

Publication numberOT-2026-000061868 · never reused
Internal UUID01a0ae8b-b8ac-7bb2-b457-ad84c487c533 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061868
StatusPUBLIC

Content hashes

Canonical text3790133b550f28ea2202248b7dce30c8ba8235b610dc35ac3eae057b93850570
Markdownece106cfa160109950e78deb68dfc8130518d36ab181ce44e67c5435f3436c08
PDF
Publication pagec338e143c8ce3642bdf9e510f52058299a4d7b6875fc2d6de72707b28512f419
Manifestb4c2dab9c9644ea9420813a2d8e3ead27ab9dee0eb7cce0801f2944382f19cda

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
SignatureInMqUz9RuKPw+7ZwjA2vxFcSZzNmQkjt86bFw8t/Yi2W9J3V4/RQl17GxsCi/uF2oyERkrQxA6Roe0sLszesBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:43.697228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061868
observed c338e143c8ce3642bdf9e510f5205829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:43.676855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061868/manifest.json
observed b4c2dab9c9644ea9420813a2d8e3ead2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:43.657269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061868/publication.md
observed ece106cfa160109950e78deb68dfc813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:43.639316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061868/publication.txt
observed 3790133b550f28ea2202248b7dce30c8...
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.