OpenTechnical

OT-2026-000050082

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000050082) never changes.

Identity and time

Publication numberOT-2026-000050082 · never reused
Internal UUID01a0ae81-fd79-7458-8290-c7823da8c3e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050082
StatusPUBLIC

Content hashes

Canonical textd7903ab9627eeb71bd0b854ff815fba1de06fe00f0c7a1bc93cc03f00b8fd720
Markdown4d2c8cedf5406570e0adad88748d3c23be6cb291fcc2c382f6ca0cfaeba83651
PDF
Publication pagebc640c4454e89e8d0e6d436ea368425192a4182a326095d4995da7cb49bd95c1
Manifest7250cd1dbef57204cf5ed2f7ddaa258b737af35c686931da2dc9c6284ef526bb

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
SignaturevSh3lxNrtMQ6/NJX0x0kVaUcqVJLx5dK5kHYZ7gyeAISPoNPIpEFpSaNwEo0eTDhYwogHp02ZQ6GPnwJS/AXDA==
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

2026-09-17T11:02:04.625674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050082
observed bc640c4454e89e8d0e6d436ea3684251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:04.608696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050082/manifest.json
observed 7250cd1dbef57204cf5ed2f7ddaa258b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:04.590609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050082/publication.md
observed 4d2c8cedf5406570e0adad88748d3c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:04.573788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050082/publication.txt
observed d7903ab9627eeb71bd0b854ff815fba1...
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.