OpenTechnical

OT-2026-000066127

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000066127) never changes.

Identity and time

Publication numberOT-2026-000066127 · never reused
Internal UUID01a0ae8e-8dc3-770e-9265-fd8df98f1257 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066127
StatusPUBLIC

Content hashes

Canonical text6b5a33822613310115b1a624a9643e2493251ecb14166fb6d6b709e571c6bf4b
Markdown437be022376f96174017f4f256a0726f9225e215845e95881fd98fc0a631d035
PDF
Publication pagee930051b9fe04b6226d92bb3c3958f7503577a1e3853b4bbfe4106a75975bff9
Manifest194c7b7e8150752982b87f4c3d879ceb76b8767c6e974b13a42bb4c9e1ffe04d

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
SignaturebLYrzpmf+f1YwvXuahtfB0BRikWcl+QeetXamPW2Wl4QN5RzoYJsgNEINBE2rgcZysgqCoaCWdtwkXZ9GUtgDA==
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

2026-09-17T08:51:00.236806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066127
observed e930051b9fe04b6226d92bb3c3958f75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:00.033599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066127/manifest.json
observed 194c7b7e8150752982b87f4c3d879ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:59.981195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066127/publication.md
observed 437be022376f96174017f4f256a0726f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:59.831509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066127/publication.txt
observed 6b5a33822613310115b1a624a9643e24...
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.