OpenTechnical

OT-2026-000019058

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000019058) never changes.

Identity and time

Publication numberOT-2026-000019058 · never reused
Internal UUID01a0ae6e-d523-7c7d-af43-b3a415411434 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019058
StatusPUBLIC

Content hashes

Canonical texta4fe1517639100159e9dbfe1ec65c14592a8eb69b7f16bfda6c764081fee4898
Markdownd25b029dfe025a621624f03b0bf24c0075e045607bbdac3bb3722a346be54951
PDF
Publication page29a8adf476ad34a7fa0306a68257869dd28a80d8f11abc46affd1e6860ad81da
Manifest197e6f9a36bfe7f7b0cc4af4bc788a58f6572a9b95bd639e2ec20a7cefb82339

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
SignaturevBwqdX9y8p/3Hbvd/ryoZR/8Dlpin98zkiPpe5Zk7yrANTDd68Gvd6icECC2XCHjKKCqw5jpww9A1Y1DY6p2Ag==
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

2026-09-17T11:59:45.336233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019058
observed 29a8adf476ad34a7fa0306a68257869d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:45.315463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019058/manifest.json
observed 197e6f9a36bfe7f7b0cc4af4bc788a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:45.297972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019058/publication.md
observed d25b029dfe025a621624f03b0bf24c00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:45.279168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019058/publication.txt
observed a4fe1517639100159e9dbfe1ec65c145...
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.