OpenTechnical

OT-2026-000067542

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000067542) never changes.

Identity and time

Publication numberOT-2026-000067542 · never reused
Internal UUID01a0ae8f-6bda-7712-929a-3b1b4610451c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067542
StatusPUBLIC

Content hashes

Canonical text640700423da34ea5f0fded36f4dbee58512cb8aa3d24266e2140885620a95f3e
Markdown6bfc477dbc980283002de9c4d8660af24bd9dc590311c556ea52885777681930
PDF
Publication page8b61aef4af2102c39e64a0b7fbe419b4bd88490302864157477142506d3c7650
Manifest510c76fb733c1396c48dcff18c402c6ac39bd2190add88a8742139413bba796e

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
SignatureZ0kBv9zNanJzrt/pF0GWhF+MPOqqxynDRtGb1yvFS/snRen38h+PD+FqIMDfcL4AaG6DPFCcIpEEc6bvjKGGBA==
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

2026-09-17T10:31:50.815552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067542
observed 8b61aef4af2102c39e64a0b7fbe419b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:50.799339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067542/manifest.json
observed 510c76fb733c1396c48dcff18c402c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:50.781663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067542/publication.md
observed 6bfc477dbc980283002de9c4d8660af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:50.764282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067542/publication.txt
observed 640700423da34ea5f0fded36f4dbee58...
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.