OpenTechnical

OT-2026-000051409

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000051409) never changes.

Identity and time

Publication numberOT-2026-000051409 · never reused
Internal UUID01a0ae83-2741-7666-b2ba-89e86169470a · 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-2026-000051409
StatusPUBLIC

Content hashes

Canonical textef91c2a62662406f3dea15a0c35db827efb5e108ce306d4bd497f1fda6ce6daa
Markdown2f8ac48ddd92137e08bc37d7629e60e65f7a9df25187ddedb3a6788a86d8ada4
PDF
Publication pagea0d97e28fdbc9c3115585faf3c3b59a6cc0358490f2eab5633a3a977602f17c7
Manifestf94cf529acd9f9141fdb709ef5693c14065bd698257228a0cd3a3340adc8e294

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
SignatureAl7zMELwW8xMCvdamqOqrNHQfjoywb6456Mji3lckVSPCkhnkjkPFeg3tyhx4+eWPaSYJHfrORFfWWqSf4krCg==
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

2026-09-17T10:59:18.801535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051409
observed a0d97e28fdbc9c3115585faf3c3b59a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:18.781974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051409/manifest.json
observed f94cf529acd9f9141fdb709ef5693c14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:18.759904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051409/publication.md
observed 2f8ac48ddd92137e08bc37d7629e60e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:18.740743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051409/publication.txt
observed ef91c2a62662406f3dea15a0c35db827...
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.