OpenTechnical

OT-2026-000033210

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000033210) never changes.

Identity and time

Publication numberOT-2026-000033210 · never reused
Internal UUID01a0ae75-4844-7f67-a63e-bce3171b2002 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033210
StatusPUBLIC

Content hashes

Canonical text9251ccb4fbc979df93334d3f0a4f6f46a592661160427cec71c4a884f3240ea5
Markdown4594e81dbfab813fec88fa94ce872f4a88e9774c06566e9140fd947691221bf0
PDF
Publication page8ec1d13ea523d6df24e27553102d6887136f64e719013fd1635203c475da2bf2
Manifest6e9e442b261d3a24fce6f1d1e88fb6ac07872be9c34c51ac2303427e9a063ab5

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
SignatureDKKtxLqMN7hoe4IJysL7JWf6ttJ71fSpV7Voflbhv2aFfx/32fgO77+rdG2VkPEbh71SfOA9uHUGWPZPcZbfCg==
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

2026-09-17T11:32:54.655150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033210
observed 8ec1d13ea523d6df24e27553102d6887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.639709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033210/manifest.json
observed 6e9e442b261d3a24fce6f1d1e88fb6ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.622903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033210/publication.md
observed 4594e81dbfab813fec88fa94ce872f4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.607127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033210/publication.txt
observed 9251ccb4fbc979df93334d3f0a4f6f46...
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.