OpenTechnical

OT-2026-000042222

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, sustained blow-off 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-2026-000042222) never changes.

Identity and time

Publication numberOT-2026-000042222 · never reused
Internal UUID01a0ae7a-5d72-7683-8995-bf49c7cf01ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042222
StatusPUBLIC

Content hashes

Canonical text30e8326bcf05542b247be89c04135edd6581eacf912feed9f2e606fb1b4ad6cd
Markdown58b1180f7d4535a6d8ce39e106b917bda974b9dfbe722fa9c55aae6495ff9d94
PDF
Publication page556bb7c12e059eaf5ff91d5f2df5835ecdba05eb20a0413259c2f8edf016edeb
Manifestfd6e1748337ee4e7ef5df6cedf924e49ef2489f3dd6cfb4bcfa237eaa31ea5c5

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
SignatureLIkBC0To9N0DHYgApgpVDHip3RiTrOjuRk0QQCkHAnAsv2tytdlY/N5dMDGhSwM6RPfv5F4gjfQHW5ocBmZCDQ==
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

2026-09-17T11:15:53.750603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042222
observed 556bb7c12e059eaf5ff91d5f2df5835e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.729782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042222/manifest.json
observed fd6e1748337ee4e7ef5df6cedf924e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.710109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042222/publication.md
observed 58b1180f7d4535a6d8ce39e106b917bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.688917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042222/publication.txt
observed 30e8326bcf05542b247be89c04135edd...
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.