OpenTechnical

OT-2026-000022046

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump 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-2026-000022046) never changes.

Identity and time

Publication numberOT-2026-000022046 · never reused
Internal UUID01a0ae6f-bb5c-72d6-a093-e577a4fe44be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022046
StatusPUBLIC

Content hashes

Canonical text54e6a5849df1227eb85e2d227287e90d0740f3e4d9fca8fb0d7ea8fa27e9fa97
Markdown5d9eadddb051aca5e86d77ecf2373573904c613a08d7d8cdda30bec719a79c4d
PDF
Publication page65080516f66fd5427bd2d8e96095de10deafd4a9e2ed340f0fcb989ec9fc6eb9
Manifestdcea07a80fa90c2fc3050b21c16f058c92271bc54d9f497147f3d8eb3c656425

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
SignatureRLK+2qHx4fSgPmbTcqo4e97BvMLkOAjLOO3pEj8q4Zc1BJmxFs4TxL/QPMlwYW/zha8s7S6yp/mM8BbwX7YUCw==
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

2026-09-17T11:54:44.247533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022046
observed 65080516f66fd5427bd2d8e96095de10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.229191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022046/manifest.json
observed dcea07a80fa90c2fc3050b21c16f058c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.209718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022046/publication.md
observed 5d9eadddb051aca5e86d77ecf2373573...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.190960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022046/publication.txt
observed 54e6a5849df1227eb85e2d227287e90d...
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.