OpenTechnical

OT-2026-000038980

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000038980) never changes.

Identity and time

Publication numberOT-2026-000038980 · never reused
Internal UUID01a0ae78-76a0-75ca-830e-5a985be74e58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038980
StatusPUBLIC

Content hashes

Canonical text0f0702e643fc2c3223b856c490414856411407b6b628b4eecc9659063b6e768c
Markdowna99f307baeee141f503b405d4554a279c1e81c54b6634e4224cfa336ff0de008
PDF
Publication pagef9654bafc1734abb6d17db56316fdb48c3cfde7c7b60e1e524972c0b59d7a99e
Manifest775ed22bb52b5b79348cd73f2b56578349512ee6b6310094baa95309f9da5298

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
SignatureQWJ6ZFBomgKyvfwYWGi2DSci+XE5kdaXQMXBxlLYQAo/QJqaw+rmTtsmSd+0V7CA1hx/Na+I+kK1UZ5PJak7AQ==
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

2026-09-17T11:22:15.786335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038980
observed f9654bafc1734abb6d17db56316fdb48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:15.765247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038980/manifest.json
observed 775ed22bb52b5b79348cd73f2b565783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:15.744105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038980/publication.md
observed a99f307baeee141f503b405d4554a279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:15.725658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038980/publication.txt
observed 0f0702e643fc2c3223b856c490414856...
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.