OpenTechnical

OT-2026-000050248

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000050248) never changes.

Identity and time

Publication numberOT-2026-000050248 · never reused
Internal UUID01a0ae82-5c46-7788-8da1-e3d4a42c1e14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050248
StatusPUBLIC

Content hashes

Canonical text309dcc0c3cdf15d7ead4fad113aae25216ee223e6b49fab3fb063cd23277cd82
Markdown98184e5c2d66881d117d24c159b525e43eed53f27a2b883ea547fc4738d5c6cd
PDF
Publication pagec5d34ce6a2694ea520013e96a302c24928a359523f5b47548a928398f579daab
Manifestf94e54c3ec9a150e04074691fe5a368f24e85855cbbc56f8c74f01dcef2151b2

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
SignatureOE9oPX5rJLj6elRWAyVAtcIHwg7OLLuEnxVz+yNam61QIlwghACZ2T6o6+pbj0+aO6iWh0hLPMBQmFvWs46iBA==
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

2026-09-17T11:01:14.828661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050248
observed c5d34ce6a2694ea520013e96a302c249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.810053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050248/manifest.json
observed f94e54c3ec9a150e04074691fe5a368f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.792001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050248/publication.md
observed 98184e5c2d66881d117d24c159b525e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.774332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050248/publication.txt
observed 309dcc0c3cdf15d7ead4fad113aae252...
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.