OpenTechnical

OT-2026-000073382

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented before 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-2026-000073382) never changes.

Identity and time

Publication numberOT-2026-000073382 · never reused
Internal UUID01a0ae92-efb8-7a41-8278-177ed340a788 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073382
StatusPUBLIC

Content hashes

Canonical textd17861f7aceda3307399e4053ca36b7b5e00ad5a35baa52af4b3d15454da3a3a
Markdownd5cbf46988cc9742e3d675733466bd49a38ca733cb2af5d6ba546d52b2a3f4af
PDF
Publication page3861ca2db5b5db359cbe67b3fe635b603bde3cc56e85e8965f61650392b95f5b
Manifesta513edcf2ff82fe4ea174206015e3b7ebc8b95c240fd451fb79f080f02f85448

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
SignatureYfV1P6zjJqJE4ZGa39n5wQmKsbyJ22TOtbv3cPhF9wPWdIYqguhLTUWk60IUvaN9MiSDtmRFNxVQm/AD5zaYAw==
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

2026-09-17T10:21:25.397787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073382
observed 3861ca2db5b5db359cbe67b3fe635b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.378787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073382/manifest.json
observed a513edcf2ff82fe4ea174206015e3b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.360507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073382/publication.md
observed d5cbf46988cc9742e3d675733466bd49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.343483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073382/publication.txt
observed d17861f7aceda3307399e4053ca36b7b...
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.