OpenTechnical

OT-2026-000051341

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, vented 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-2026-000051341) never changes.

Identity and time

Publication numberOT-2026-000051341 · never reused
Internal UUID01a0ae83-2741-7c44-85af-961c114184df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051341
StatusPUBLIC

Content hashes

Canonical text45435238631280268699351fe943cab31f29df1de803da51077a9898733116a4
Markdown69c2d50d2e6ad0ad01072fb2dbe5051d118aa384787eab819f0b42a805ad678a
PDF
Publication page5919eda2bd359d9d180ffcdb9904e9180b0751846138e0e01fc20b1c977f2875
Manifest4199f1810b9018d95a44928c1474dc0414f1280f7bfa2a6b047a75bad3aeeb44

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
SignaturelotMSHN14nJkaOS65ashC/BM+24S0D0MrpluHljbqggmEhIt4ChiLBf3rP2uUbOhrJmUO4jcVQgCH/ZgfycLAg==
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

2026-09-17T10:58:53.023567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051341
observed 5919eda2bd359d9d180ffcdb9904e918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:53.005387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051341/manifest.json
observed 4199f1810b9018d95a44928c1474dc04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:52.983986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051341/publication.md
observed 69c2d50d2e6ad0ad01072fb2dbe5051d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:52.957416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051341/publication.txt
observed 45435238631280268699351fe943cab3...
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.