OpenTechnical

OT-2026-000038654

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000038654) never changes.

Identity and time

Publication numberOT-2026-000038654 · never reused
Internal UUID01a0ae78-2d55-7686-86bc-88f7746985a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038654
StatusPUBLIC

Content hashes

Canonical textb99d59859ef1182d681c661403fb9f249d8cfb2c3dde785b20bfb0c7a3250c3c
Markdownb48670db6f85f7de1e460eb1357b3ce87022f11725d928f39d7709b7aeb29deb
PDF
Publication page217422242624d86e9674eddbb7f9d05662cf6229e6babaffd1c7c6bfcf8f4698
Manifestaed35f8f66c21bc29b7cdce92ecfd6dcb10b348fef78478923ea83013d6c4a8a

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
SignaturerJXCeQ4hEPjcEaaXF5Y3x0MqrSUKfH5mwyPyClOKjCHYm+AQgtV0ff6/eBBQkKZK7EQxJACwzpwiGsT+7WRwCg==
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

2026-09-17T11:22:57.091428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038654
observed 217422242624d86e9674eddbb7f9d056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:57.069852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038654/manifest.json
observed aed35f8f66c21bc29b7cdce92ecfd6dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:57.051437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038654/publication.md
observed b48670db6f85f7de1e460eb1357b3ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:57.030432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038654/publication.txt
observed b99d59859ef1182d681c661403fb9f24...
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.