OpenTechnical

OT-2026-000038708

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000038708) never changes.

Identity and time

Publication numberOT-2026-000038708 · never reused
Internal UUID01a0ae78-769e-7a8f-9ffc-760ba9693079 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038708
StatusPUBLIC

Content hashes

Canonical textc18ad8986aac4f49201545478a35d652838a2817ead28dff454f1cdf798904f4
Markdownb108d3843778bd3b8b48e8e8ea5afe964d7445eeb6a728178cca6691519db7f8
PDF
Publication pagee2e3d838c7ab8e3cf9fefb79673adae4fbc464e92a7ef45d036c3098759d6fe6
Manifestf363d88513f0909fe081dde057ea757599800aa68d5cdb1950f5b6f893f59f25

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
SignaturezUVYMpToa3cAdDWV9uVRkFn8MvUwBgIhT2TQfDU9QrB7RyAxD9wGaikh1fDCGqYBhXJwVKTBfDCwNSR/66D1CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:21:13.806721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038708
observed e2e3d838c7ab8e3cf9fefb79673adae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:13.789450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038708/manifest.json
observed f363d88513f0909fe081dde057ea7575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:13.770678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038708/publication.md
observed b108d3843778bd3b8b48e8e8ea5afe96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:13.751712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038708/publication.txt
observed c18ad8986aac4f49201545478a35d652...
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.