OpenTechnical

OT-2026-000004054

Publication integrity record

Vacuum cup gripper, common isolation valve, two outlet manifold, two stage ejector, contact triggered

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-2026-000004054) never changes.

Identity and time

Publication numberOT-2026-000004054 · never reused
Internal UUID01a0a90d-f5c2-7abd-a5f6-676c1faf6081 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:10:59.525103Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004054
StatusPUBLIC

Content hashes

Canonical text7a7764228974104a362a9262815ea47622c01c1227891a848f01e9cca0db9f4e
Markdown617545157340af8bd57fff565e798855a3e3f552891f51b3804a92b7901301be
PDF
Publication page4d46b02281d4278fcccbaad86aec96a56265fc2e94dfa985d9dc26b4dd87f2aa
Manifest3f8082f39dea634d732aad14202f0858eb27553e6b03db0fc2017c9c39e74572

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
SignatureLIk+p3N+tgAGZSlWK+il+QYDQLCrH0MCgXldxeAAF+0f++wuBWNUXZoaKnb7goZv5qmvo+OYYxrtRvVOwgKPCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:40:33.468264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004054
observed 4d46b02281d4278fcccbaad86aec96a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:33.454657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004054/manifest.json
observed 3f8082f39dea634d732aad14202f0858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:33.442856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004054/publication.md
observed 617545157340af8bd57fff565e798855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:33.428007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004054/publication.txt
observed 7a7764228974104a362a9262815ea476...
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.