OpenTechnical

OT-2026-000092575

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000092575) never changes.

Identity and time

Publication numberOT-2026-000092575 · never reused
Internal UUID01a0ae9d-b5fe-7c6a-8309-da8015b106d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092575
StatusPUBLIC

Content hashes

Canonical text59f2b26e4acb38649099b1e6040f8f54879620287513e5834a42ca27d9bd429a
Markdownea5da154478afa54209b023d543dd9c824298ec873ff68b1de732c349a63f8d0
PDF
Publication page7ff6e22e76b5cb9b0a732bae66fab20f4b347a7f796b674ba00b67af14abf7ef
Manifestd698cf08e6ff90afff3b37eb002111fdf140ba30fdfd13cea6022a4d6222109c

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
SignatureoMnGEOPTr1HJD/e7cc6mocaqE33zf+ITbtXJMiar6pRONAmq32AXN5UEqiz+cnmREJoTQLb1SCQSPPUvkU8wBQ==
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

2026-09-17T09:41:10.197564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092575
observed 7ff6e22e76b5cb9b0a732bae66fab20f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:10.179414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092575/manifest.json
observed d698cf08e6ff90afff3b37eb002111fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:10.161839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092575/publication.md
observed ea5da154478afa54209b023d543dd9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:10.143743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092575/publication.txt
observed 59f2b26e4acb38649099b1e6040f8f54...
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.