OpenTechnical

OT-2026-000039416

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000039416) never changes.

Identity and time

Publication numberOT-2026-000039416 · never reused
Internal UUID01a0ae78-9675-7231-8b76-a942c97afdde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039416
StatusPUBLIC

Content hashes

Canonical textf3f054c14a320de55a5510055efb4d92821ce5fb78200a4573c7f82a585c00ad
Markdownad999acfb88b7ffd8ebeacde74bf1c3f534aad0fe1dc3c51194f54a1967df11f
PDF
Publication page11d74ecaface55ab2b3de725a60342e79947b27403df8c3c0b1de3f8f2369603
Manifest99d3894aea339603fe5f064eb936b61c49be46474f4df6b6039e10c8b86dfcc8

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
SignatureGh6UuA3rnRegf/SfeXzUx5nXnsJWvgRX3EcCxW8l6sbkvPa/XKPQIxO4Ma3ldXgwobPfa4ihD8E5P1auZS3yAQ==
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

2026-09-17T11:21:01.729745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039416
observed 11d74ecaface55ab2b3de725a60342e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:01.712720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039416/manifest.json
observed 99d3894aea339603fe5f064eb936b61c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:01.696018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039416/publication.md
observed ad999acfb88b7ffd8ebeacde74bf1c3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:01.678463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039416/publication.txt
observed f3f054c14a320de55a5510055efb4d92...
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.