OpenTechnical

OT-2026-000076649

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000076649) never changes.

Identity and time

Publication numberOT-2026-000076649 · never reused
Internal UUID01a0ae94-b06e-7def-a0dd-cbde2bcbaff0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076649
StatusPUBLIC

Content hashes

Canonical text3a23ead126ec4aad065037af875e304c516d3cad3b75367eddab2878eaa2a747
Markdown9d57d82361b0a479b5c9e9b1a1da3a8177031d904fc2f613ab3a9f8c4390da69
PDF
Publication paged8ec9f50811f75c2f37dcb0346b8cf4d5670a248da6f6145521f3bff4ca28233
Manifeste3f6bfd32685781ebee8960ab353502563a47d1f3b08c30b3eb63367656aa09c

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
SignatureZBqhMVd0MfWBV1XRatuIddejb8jAfjqEBham0S0Tulat7Rc9L6xrNcxj/LaEY2amxTSXnTEeRKe4Oua9e+GcDQ==
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

2026-09-17T10:09:23.523024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076649
observed d8ec9f50811f75c2f37dcb0346b8cf4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:23.502410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076649/manifest.json
observed e3f6bfd32685781ebee8960ab3535025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:23.482365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076649/publication.md
observed 9d57d82361b0a479b5c9e9b1a1da3a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:23.461575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076649/publication.txt
observed 3a23ead126ec4aad065037af875e304c...
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.