OpenTechnical

OT-2026-000015448

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off before set-down

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-2026-000015448) never changes.

Identity and time

Publication numberOT-2026-000015448 · never reused
Internal UUID01a0ae6d-ef4a-789b-afb5-055c371a552a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015448
StatusPUBLIC

Content hashes

Canonical text52d89ec6e9d0b17dda4cd70346de9552d06e19239d117a006acfb7fe6b40b9b9
Markdown797314da6ffc5cd711ee223ba82ba667e25df9e8a8ec5e98d1945a3682df99bc
PDF
Publication page85e34fecc3e02b288282cf46ae6d4ec1df1674d8f936f557176b29196e262efc
Manifest9c9c42adc1f4a4b7c9fe3ac785741115a502e3e7d491a9b47d26757827e04d1e

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
Signaturekp0Krm60yrwlF4ZZN/xMF9D2DMc8Oo5PGXQguiKlb/LYLCN690pnN6babiSJJb68+oZYGRIZ2BTaPrGq2PIpAA==
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

2026-09-17T12:06:11.661388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015448
observed 85e34fecc3e02b288282cf46ae6d4ec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.643148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015448/manifest.json
observed 9c9c42adc1f4a4b7c9fe3ac785741115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.621793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015448/publication.md
observed 797314da6ffc5cd711ee223ba82ba667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.602662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015448/publication.txt
observed 52d89ec6e9d0b17dda4cd70346de9552...
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.