OpenTechnical

OT-2026-000033398

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, pulsed blow-off after set-down, on a tool changer

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-2026-000033398) never changes.

Identity and time

Publication numberOT-2026-000033398 · never reused
Internal UUID01a0ae75-8980-7805-ac75-92acd406afae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033398
StatusPUBLIC

Content hashes

Canonical textd2c11d895ae11e309de71d0e908dd0843f1b4e818197bf8dd3f990aa6b31574c
Markdown92c5589dd8a8995b5af412c18d04ea2bc0a32f47963ec65d484d54c2ba5848f6
PDF
Publication page5354e6e5673a3303a33ff193a28b6a2c28c91ce01f5fd0be87c0808bcc4a00f7
Manifeste2d33479db5c1cc181455b9d483035218e606459e8dc89ca542618d7e8f47189

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
SignatureCXWRKH1MoqmwOyxQGIF8S2nGeZaa1AE0euZyKxDUHhLY0wZpiJqPBpZrNu0dRb8k4trrgG7ylpadULFVmqmWCw==
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

2026-09-17T11:32:10.623520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033398
observed 5354e6e5673a3303a33ff193a28b6a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.606111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033398/manifest.json
observed e2d33479db5c1cc181455b9d48303521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.588647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033398/publication.md
observed 92c5589dd8a8995b5af412c18d04ea2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.571848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033398/publication.txt
observed d2c11d895ae11e309de71d0e908dd084...
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.