OpenTechnical

OT-2026-000051019

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three 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-2026-000051019) never changes.

Identity and time

Publication numberOT-2026-000051019 · never reused
Internal UUID01a0ae82-c7b4-7000-a58c-3957c2f645bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051019
StatusPUBLIC

Content hashes

Canonical textbda6a36b568d637bbb660f04f580e957564c0bbdc271684efd79ee8b20156eab
Markdown9d0a8a05c3050be5866a47b4afd3baaa1caa2f2f8b63db781ce80b47b4f66b19
PDF
Publication pagedd36727cabc01d0af52a2c8b104bb9f591f28a6dfc368a5edf3e30b0d8b82a12
Manifest6c3dd3371ca9caef6d1d2200d7bb064552af64fb7aa498ef324a523fb574133a

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
SignatureSaZTO6F/FQQHTo8TRWtbAocEoLhs3C2JDdRwWmduOo6FCv2M5EG0R+3f2XhZysw1RlnDiMr02SR/s3IfmIMhAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:55.417030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051019
observed dd36727cabc01d0af52a2c8b104bb9f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:55.399763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051019/manifest.json
observed 6c3dd3371ca9caef6d1d2200d7bb0645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:55.381725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051019/publication.md
observed 9d0a8a05c3050be5866a47b4afd3baaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:55.364146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051019/publication.txt
observed bda6a36b568d637bbb660f04f580e957...
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.