OpenTechnical

OT-2026-000080835

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000080835) never changes.

Identity and time

Publication numberOT-2026-000080835 · never reused
Internal UUID01a0ae96-b974-743a-b591-fbc45b092f28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080835
StatusPUBLIC

Content hashes

Canonical textbad8d6884f51c5d3dd47dc8540973397c4fd535d6fa34406fddc576675f84ca1
Markdown57a2a0c31fd53562d882b8aa7208611cef85f8dea6d0512f6ea328eb17644bdb
PDF
Publication pageb198fcad30cfe32317bd5817a236c8362fc7ea791cae8db8142a5a668cd2fb3b
Manifestd468530aafb282e6a9230550ef8e40bb0c76e279318f9c19c1f8e2a17fa3bb87

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
SignatureLE1yICZZoBQdUAdo8yce3kktC2XyMDrL1BFfOTvTcVK1m2csZ9SyjRvRHYM9gGpkeSnVTdvRGwgA1xbhwZP2Dg==
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

2026-09-17T10:02:01.367938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080835
observed b198fcad30cfe32317bd5817a236c836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:01.349677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080835/manifest.json
observed d468530aafb282e6a9230550ef8e40bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:01.333211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080835/publication.md
observed 57a2a0c31fd53562d882b8aa7208611c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:01.314999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080835/publication.txt
observed bad8d6884f51c5d3dd47dc8540973397...
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.