OpenTechnical

OT-2026-000076321

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000076321) never changes.

Identity and time

Publication numberOT-2026-000076321 · never reused
Internal UUID01a0ae94-6a70-7480-ab4a-3049357b48eb · 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-2026-000076321
StatusPUBLIC

Content hashes

Canonical textff4aab35a47d0b57a70828a73537839257986fc8c16bf6965c8b010790e976a8
Markdownbf7b5dd2dc6e80da562bbdc11911294767a2fc630dcbc13b6fda9748ee71079b
PDF
Publication page64ccb722d108ccc8f0112564974fba12bec2809bd0b3fa70597e95013954773e
Manifest299f26fbcb727e872f84700bb80dc19249a35afa7e6250ba39c101dc22b042cc

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
Signature/WmqpQUDmbPZ4V1/kl8fSFxRh2x/GJziFIniXMqWaIPjjJ3YvWgST3yWDZAD6rb/nBUJftSRLW0GJxN/OwwjDQ==
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

2026-09-17T10:12:10.410703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076321
observed 64ccb722d108ccc8f0112564974fba12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:10.392858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076321/manifest.json
observed 299f26fbcb727e872f84700bb80dc192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:10.373878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076321/publication.md
observed bf7b5dd2dc6e80da562bbdc119112947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:10.355468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076321/publication.txt
observed ff4aab35a47d0b57a70828a735378392...
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.