OpenTechnical

OT-2026-000091952

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091952) never changes.

Identity and time

Publication numberOT-2026-000091952 · never reused
Internal UUID01a0ae9d-43bb-7b03-8136-06ecd919dd9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091952
StatusPUBLIC

Content hashes

Canonical textab0ab21cc9a15a4455f453d0431dfd45f599bb0d7c8ecc38a7b074dfa5e4acaa
Markdownfbad9bbd8ed351dd1cfb41d79bfbea39cc4b4e19271a663201e04a1db264f7b0
PDF
Publication paged40cf3eb3b3eb343e3494ff6da788b9b4ebc2e7f9a27dd103bf4f34fe96c2d8a
Manifeste02b9f51f4454371dc93e68d85c79615e1537f308c95696e5fb48e39edc1a7ed

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
SignatureCJcko5I6ds7aSrJO5ZEkAghHS+rISq0NyfaquTjqjicU+5MxyILYji0ZDxumjX/jALYLMYc8Lcsj4Ms6ZufnDw==
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

2026-09-17T09:42:54.219268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091952
observed d40cf3eb3b3eb343e3494ff6da788b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.201360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091952/manifest.json
observed e02b9f51f4454371dc93e68d85c79615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.182296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091952/publication.md
observed fbad9bbd8ed351dd1cfb41d79bfbea39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.165315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091952/publication.txt
observed ab0ab21cc9a15a4455f453d0431dfd45...
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.