OpenTechnical

OT-2026-000036269

Publication integrity record

Single cup vacuum gripper, plant vacuum 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-2026-000036269) never changes.

Identity and time

Publication numberOT-2026-000036269 · never reused
Internal UUID01a0ae77-01cf-7a8e-a036-e5176cd6d2da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036269
StatusPUBLIC

Content hashes

Canonical textfff878a43bc071708c29a17ae1932553e991495e437282e4270e1dc427817195
Markdowna1af9ca02db047ec407f8f147ccf2ba3ba4c31c973063657205ab268742176c3
PDF
Publication page503612f22ec68c0fdeb975bacb3136745a4049a607089cc6b39ea89ecb51e58b
Manifestade917fdf1e4c23b5a08b60403aebb9d5ab2dd9d4ad7d777aa23bd4e78d78984

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
SignatureuWamltjXClzD8wpClpP/9RTR/3orCFZEHg/bdGrGClVhuKkZ3rfPRgmRqS4Uwr94xdo/fv79SeKXjUEf3L2iDw==
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

2026-09-17T11:26:31.716524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036269
observed 503612f22ec68c0fdeb975bacb313674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:31.697544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036269/manifest.json
observed ade917fdf1e4c23b5a08b60403aebb9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:31.677557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036269/publication.md
observed a1af9ca02db047ec407f8f147ccf2ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:31.658488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036269/publication.txt
observed fff878a43bc071708c29a17ae1932553...
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.