OpenTechnical

OT-2026-000075358

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000075358) never changes.

Identity and time

Publication numberOT-2026-000075358 · never reused
Internal UUID01a0ae93-f201-7f1d-a61e-938d81eadaf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075358
StatusPUBLIC

Content hashes

Canonical textcce4551678e66338c1fe339458a541693adbc91ce62175c5a2b6d22d7ea87734
Markdowna70f5075663c7de92f9ce0869e817bea55147d35a12600f8b56b5194658e1e7f
PDF
Publication page5dbe555553f41daebef1d2a15bfd889142c736d78d0961882c3bd7c6eabbed4c
Manifest1bb8454139d3ba30c4a1a5b606d475a96117d3f3523baa4e836b834947182f76

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
SignaturepSpbVlYMNftC7u54o0hRea/aWu2rHTutNtwQHaiCSC36+qDIHvG1kgdKftZfJu3nMfjDB7SM6Y+AbV6+d/JqCA==
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

2026-09-17T10:17:20.257818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075358
observed 5dbe555553f41daebef1d2a15bfd8891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:20.239804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075358/manifest.json
observed 1bb8454139d3ba30c4a1a5b606d475a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:20.222766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075358/publication.md
observed a70f5075663c7de92f9ce0869e817bea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:20.201157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075358/publication.txt
observed cce4551678e66338c1fe339458a54169...
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.