OpenTechnical

OT-2026-000008593

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000008593) never changes.

Identity and time

Publication numberOT-2026-000008593 · never reused
Internal UUID01a0ae6a-e46b-7a2f-8ec4-99512b67796f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008593
StatusPUBLIC

Content hashes

Canonical text140da86ededf430222df81cda51cbf5f9beb6cdbe7752a7b3174d4cf2bd56416
Markdown5f886864df165775f9b89938b094783028c138c4dd9114045bf6255b75601ebc
PDF
Publication page6457dd4d3dca526e4f13f4f0dc986d223de8467218a0287780ab8a915777f72f
Manifest6f9777b28ffe74357fedac2a42c0fc11754667cdbc0973ff785760d96a5d9c85

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
Signaturei1h30OwTpZ+DzbVxkGF1qizl9EPE//w2jKNuffwAoOe0ysdV0aVOpgLM3Lg7oWOKkrH+w8yPdY6bAh8JyLaeAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:32.603722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008593
observed 6457dd4d3dca526e4f13f4f0dc986d22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:32.581029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008593/manifest.json
observed 6f9777b28ffe74357fedac2a42c0fc11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:32.558294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008593/publication.md
observed 5f886864df165775f9b89938b0947830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:32.535133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008593/publication.txt
observed 140da86ededf430222df81cda51cbf5f...
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.