OpenTechnical

OT-2026-000074292

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000074292) never changes.

Identity and time

Publication numberOT-2026-000074292 · never reused
Internal UUID01a0ae93-7178-789d-b7b6-b278585597c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074292
StatusPUBLIC

Content hashes

Canonical text662b648a6a2fc06c993eee4b9989213f7bb108bc3583702c81eca18f416dbeb2
Markdown465fcf8d0632b4214a2b25149a13b85b8346ad476b125b3c9238d923e95dd478
PDF
Publication pagec0b0ff08f4eb269aa96e11c468d884b193d6ca9c7f05eeb90797473bb7e2f69d
Manifest21b72a5189bad67bd1810f437c9deb099a859a9fd03878d15b7023bdc0bb2e84

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
Signatureya9Bid35WHgyOB1vfhYnZAMHf5kAxCZeBS84FQeJyzDDyqZ5io6UUlDV8Fn+YDqpmpt7+XShCMOHcQcgJ5FHAw==
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

2026-09-17T10:19:12.151185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074292
observed c0b0ff08f4eb269aa96e11c468d884b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:12.132847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074292/manifest.json
observed 21b72a5189bad67bd1810f437c9deb09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:12.115377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074292/publication.md
observed 465fcf8d0632b4214a2b25149a13b85b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:12.097823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074292/publication.txt
observed 662b648a6a2fc06c993eee4b9989213f...
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.