OpenTechnical

OT-2026-000019208

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000019208) never changes.

Identity and time

Publication numberOT-2026-000019208 · never reused
Internal UUID01a0ae6e-f391-716c-9e1c-3b9cede29f67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019208
StatusPUBLIC

Content hashes

Canonical text55b07dcd00f57ecf98d11ea2dd2a3208fb3a0e4688e8381302424445b2de188a
Markdowncb9f1de933268f3634aeb0b0c4ebe7e4a35609a4691456cf43842c7c151371d1
PDF
Publication page6ca0c14e1898b42c5b42408784bf10471bc85bc5aa67a022bf3a5dc942eb2e52
Manifest366343aa3fa9efeda447ec578c339d419c255752384ac5f94145c36a3f13199f

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
SignaturekxkdPdTImjblf24/eLSHOt0U8W16jyEGUq90t/pLeI82V02xTsipaOc8obgTQjFFBWGswX9/JYt+sjDt/+V6BQ==
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

2026-09-17T11:58:31.795824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019208
observed 6ca0c14e1898b42c5b42408784bf1047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.778871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019208/manifest.json
observed 366343aa3fa9efeda447ec578c339d41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.761699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019208/publication.md
observed cb9f1de933268f3634aeb0b0c4ebe7e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.745887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019208/publication.txt
observed 55b07dcd00f57ecf98d11ea2dd2a3208...
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.