OpenTechnical

OT-2026-000074691

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000074691) never changes.

Identity and time

Publication numberOT-2026-000074691 · never reused
Internal UUID01a0ae93-ac2b-7a1c-b051-c4546bcd45d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074691
StatusPUBLIC

Content hashes

Canonical text95ba5c7621cbb1abe1c7ede55944652f35fcf079e975f846c11141050cee7abd
Markdowna3a821d9394e335a31dd2d9648187783dc45299bd7444a9e672998f85e4e8f04
PDF
Publication pagef7ba2419c702bbf865ceba752405cc063ce519e47738a85365613910c3120705
Manifest8a7fddf7f8ada44e6051872bb6fb4cdf13ed5daa7cb6278dfe2c488f9555edcc

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
SignatureeaoOnSTzmsU1KuZit9HrOhQIjp+kIMNG0ArdJanxCJxfvNNP3qHkkRSv/YLpa92FX4JnAJH90HLRu8Xds8APCg==
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

2026-09-17T10:18:16.759984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074691
observed f7ba2419c702bbf865ceba752405cc06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.742123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074691/manifest.json
observed 8a7fddf7f8ada44e6051872bb6fb4cdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.724626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074691/publication.md
observed a3a821d9394e335a31dd2d9648187783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.706040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074691/publication.txt
observed 95ba5c7621cbb1abe1c7ede55944652f...
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.