OpenTechnical

OT-2026-000062188

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000062188) never changes.

Identity and time

Publication numberOT-2026-000062188 · never reused
Internal UUID01a0ae8c-0abd-7d05-a6ab-37905433540d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062188
StatusPUBLIC

Content hashes

Canonical text8443c226b86bd0bd07ff5b8c168961f7efd8aca3fb81ace1348d3fcbf7725625
Markdown243295f021cc73edb07b9ed4a18d67cf33ba42639e5cc9bad13408b1f85da3d3
PDF
Publication page85df1e37219f64a77270f33903c4d4d55bd4e5548feb3a1d0c390fc3b25601a4
Manifest6add896b2878260988cbd330009d2231bfbd3b2f0b0ca92206597ae00f05f986

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
SignaturewV8G5AkgGEs76iLJNzxWSOkfgL9n/UbqDJGKwXncsLOJR05WcRDTB7GZ1C5N7rNXiIql3GRbO0YtAhsJxiJsDA==
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

2026-09-17T10:39:27.007032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062188
observed 85df1e37219f64a77270f33903c4d4d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:26.984567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062188/manifest.json
observed 6add896b2878260988cbd330009d2231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:26.963704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062188/publication.md
observed 243295f021cc73edb07b9ed4a18d67cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:26.944628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062188/publication.txt
observed 8443c226b86bd0bd07ff5b8c168961f7...
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.