OpenTechnical

OT-2026-000023446

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000023446) never changes.

Identity and time

Publication numberOT-2026-000023446 · never reused
Internal UUID01a0ae70-7269-76e0-b58d-bd5debc46e0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023446
StatusPUBLIC

Content hashes

Canonical text58629ea509c32b15128d8940b12c9b8ea32b1449cd5a6c2e8eb5d26725840c56
Markdown2cfd7a28044d33dda9dc5d2c998b58790d766541e02db0f53e5c68d628df56e7
PDF
Publication page0392652911dc3833307364914bf122fd5760c44608ba766b93b7f272a0ae6da6
Manifest751e4b5e6d4d7fcec9e64eaf251b18d00d1586b78d5fc30b7e07f138951fc234

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
SignatureED4hO6tOjDdyZiN8/1gDF7VEP/rxaBzHvkF10zwHfMVZSNx+FkPcTqUD8rYhUsLKOm6IcTDUiIl+6eIQk7TKBQ==
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

2026-09-17T11:51:39.762367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023446
observed 0392652911dc3833307364914bf122fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.742028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023446/manifest.json
observed 751e4b5e6d4d7fcec9e64eaf251b18d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.723933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023446/publication.md
observed 2cfd7a28044d33dda9dc5d2c998b5879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.694744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023446/publication.txt
observed 58629ea509c32b15128d8940b12c9b8e...
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.