OpenTechnical

OT-2026-000072838

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down

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-2026-000072838) never changes.

Identity and time

Publication numberOT-2026-000072838 · never reused
Internal UUID01a0ae92-89da-7c34-928c-e3e394f338e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072838
StatusPUBLIC

Content hashes

Canonical text40c4df2fa7bd870e4437c9b23f072f4f974780ebb633601bd0947cb7882623fe
Markdown9b51f7063e541c060da8d83e14840480c3114bdd86a19d603ab9209f9c9d93fb
PDF
Publication page1ba148d8a606ed49fcc107399f91e9ebf5353e45402413e7f8caa51527f2318e
Manifest06a96a5ec9ae85b5fedbb902d79f08a89d4e25612d8377d8f8411ace5860af95

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
SignatureZsvUoSy+yI2MQVbOd8qsdhammxPSJv+7GUP937HZu/Ypj8hRkwJV9jtXle3Q0XEnqjYjd1ybT5d+PWqpAJttCw==
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

2026-09-17T10:22:45.584079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072838
observed 1ba148d8a606ed49fcc107399f91e9eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:45.565989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072838/manifest.json
observed 06a96a5ec9ae85b5fedbb902d79f08a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:45.548028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072838/publication.md
observed 9b51f7063e541c060da8d83e14840480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:45.530645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072838/publication.txt
observed 40c4df2fa7bd870e4437c9b23f072f4f...
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.