OpenTechnical

OT-2026-000084028

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000084028) never changes.

Identity and time

Publication numberOT-2026-000084028 · never reused
Internal UUID01a0ae98-5b5e-7cbc-b40a-51ad9f0b40d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084028
StatusPUBLIC

Content hashes

Canonical textbd33e98c5e382fb238fd547537b3020ecb87b03c9b5ddde8cb1e47511fe41341
Markdown59a13afadb7a3e10af438f0038f75752d9035ef1200c542b1b1c8d0fd9a7990b
PDF
Publication pagee3d816213fa2dd1cb35c1d6745ef328e70dd855ae5a5bef47c5e9444f7b0594d
Manifest6133dd6324ea12f33ffe0606c5866be79ad26e0d9d0fa619125c95ae7e97fbc4

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
SignatureA//2GSYcGZw99e5mOUYpphLywRou2k4cBzhb298X05zuejvT86jx0mwCV/z2DC/OWJyGhSWALkF72l1VRv2tAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:45.132413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084028
observed e3d816213fa2dd1cb35c1d6745ef328e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:45.114495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084028/manifest.json
observed 6133dd6324ea12f33ffe0606c5866be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:45.095104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084028/publication.md
observed 59a13afadb7a3e10af438f0038f75752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:45.074926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084028/publication.txt
observed bd33e98c5e382fb238fd547537b3020e...
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.