OpenTechnical

OT-2026-000084373

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000084373) never changes.

Identity and time

Publication numberOT-2026-000084373 · never reused
Internal UUID01a0ae98-5b62-7f68-bca8-e71ff37f519b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084373
StatusPUBLIC

Content hashes

Canonical textcd017ed3d2eb107feffa4299d8b27d6338befdc57cc817cf26c92223d86d5b78
Markdownf29b4322a4b53ff712820200def7dc77acb1d7645b39f568e2650bed102e89d3
PDF
Publication pagec4e6a6bc20c8d06d862e3866a7f88b65eba9d4ef6dafe58ed97d326847be5926
Manifest0d9442ec094722e07ec5122e76dd1bdc68d6a9d48a74bbb6e51c5b59ebaa34dd

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
SignaturemBV1m1arU6QaNyyPY2TO7SgVb2obujtmLSZ7jsEc30Hx87qlgrqhb8ddJb6hHt8QWz+4WI6lgEvxhbQR2//+CA==
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

2026-09-17T09:56:18.707031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084373
observed c4e6a6bc20c8d06d862e3866a7f88b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.688139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084373/manifest.json
observed 0d9442ec094722e07ec5122e76dd1bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.670615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084373/publication.md
observed f29b4322a4b53ff712820200def7dc77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.653503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084373/publication.txt
observed cd017ed3d2eb107feffa4299d8b27d63...
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.