OpenTechnical

OT-2026-000092113

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, sustained blow-off 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-2026-000092113) never changes.

Identity and time

Publication numberOT-2026-000092113 · never reused
Internal UUID01a0ae9d-8759-7be2-a785-3b937894e649 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092113
StatusPUBLIC

Content hashes

Canonical text5490a17acf1646dcf87f9cccdfb94aa11f9aae80d21ab4bb898cd3ba580821b8
Markdowncf631c1272a0933a18e3bb8c5b3715a5ac8f08cfb1b5ec19de454aeb509e14f1
PDF
Publication page31de510ca002c0d144c44b888ea92b8ddb4ddd3d4fc06e3339e62119178919d1
Manifestd80f80cc2085a96a57ed5dbde87952b6e7053245c557955081483076073c0b13

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
SignatureuFvh4km9AaPc94Eiu+X8HJa9aYVIEi9AuKGZN13ycMxVMLCvX+Y3zbSlwSwWqwUcRZOFbSen4/OwV6vZRRlnAw==
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

2026-09-17T09:41:34.658080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092113
observed 31de510ca002c0d144c44b888ea92b8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:34.639846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092113/manifest.json
observed d80f80cc2085a96a57ed5dbde87952b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:34.622501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092113/publication.md
observed cf631c1272a0933a18e3bb8c5b3715a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:34.603931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092113/publication.txt
observed 5490a17acf1646dcf87f9cccdfb94aa1...
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.