OpenTechnical

OT-2026-000045629

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000045629) never changes.

Identity and time

Publication numberOT-2026-000045629 · never reused
Internal UUID01a0ae7d-8f03-79c0-af82-22563246ed6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045629
StatusPUBLIC

Content hashes

Canonical text43930931979f93cc06f87ca99add5bad693c12d183e18897941334304c1f6a3a
Markdowndb53421cb26a98dd0ed9674846117bb0d477c2ddc8d42672a8f379c1fa2cee9f
PDF
Publication page34243d97b4c25c7dde406daf1821cc7543151cd6fc687b697d29fcbbfdc5c51b
Manifesta8c2db6249399fab2395883e46e92e81ff7fb9719f91420b7417ecd1df44b372

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
SignatureFJl0HOgWIzISCroz9Zl/JR/j1fA+H+2v5MSIi4XSa/r/2UWx/Lc9Vq3CbD/EuOOXzBhMDrpQfXhoqYO2yNqqDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:24.743407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045629
observed 34243d97b4c25c7dde406daf1821cc75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:24.723075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045629/manifest.json
observed a8c2db6249399fab2395883e46e92e81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:24.680002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045629/publication.md
observed db53421cb26a98dd0ed9674846117bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:24.637846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045629/publication.txt
observed 43930931979f93cc06f87ca99add5bad...
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.