OpenTechnical

OT-2026-000005476

Publication integrity record

Vacuum cup gripper, common isolation valve, three stage ejector, pressure verified

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-2026-000005476) never changes.

Identity and time

Publication numberOT-2026-000005476 · never reused
Internal UUID01a0a93a-3649-7d0a-b0a9-61dec143c182 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:59:19.628165Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005476
StatusPUBLIC

Content hashes

Canonical textc1785ec7e58cffb63899c4887dbf979d5b0bfc94b53c356c6e16b6e4c1ba2135
Markdown054bf7014ac668a4cc546c6951934f067a5aa991db96d5bcb94ab125c70215e9
PDF
Publication page87b17cf082353fed7ad72e05c8fd8ba1e5b472469be04cc32568f49335bf051a
Manifest36dc23c44ef7a0a24a7687406313c3318e4636beaa428af13b21b01f6337fe78

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
SignaturepHZY6pZptoLUWePXzc/2FgBfVYb6fQlL0YiI4d50AuOkv30xBab6DvaMRkJ6VxsGyM8y8IMiXAUELPM61YExCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:04.893751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005476
observed 87b17cf082353fed7ad72e05c8fd8ba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:04.879824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005476/manifest.json
observed 36dc23c44ef7a0a24a7687406313c331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:04.741967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005476/publication.md
observed 054bf7014ac668a4cc546c6951934f06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:04.719314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005476/publication.txt
observed c1785ec7e58cffb63899c4887dbf979d...
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.