OpenTechnical

OT-2026-000064187

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000064187) never changes.

Identity and time

Publication numberOT-2026-000064187 · never reused
Internal UUID01a0ae8d-a45f-70e2-9e4d-339b5f294f62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064187
StatusPUBLIC

Content hashes

Canonical textda6aec49339ad357af3707f244961c6da16ec7db0bc9cadc0d74555e62d72ca3
Markdown04b052305405ffe95c34a784a90343037f534a0db793adef27aa9383f87e641e
PDF
Publication page79d6c72237c72d114845fd16c911e09c7728ed694e533c8cb3591224e3070057
Manifest026ac86a8cd5290aa2380f70b7694329d1efb02e3648256e172af51af7388b90

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
SignatureoJZMioXEtrXalIPys1HPC8NkTMuJJCIUc1d1Xgr1qERfn4DT9MRR2kDyenTy/VKbG2y0VyMvMnqEysvZEPvFCw==
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

2026-09-17T10:36:12.329484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064187
observed 79d6c72237c72d114845fd16c911e09c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:12.310862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064187/manifest.json
observed 026ac86a8cd5290aa2380f70b7694329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:12.290785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064187/publication.md
observed 04b052305405ffe95c34a784a9034303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:12.271101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064187/publication.txt
observed da6aec49339ad357af3707f244961c6d...
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.