OpenTechnical

OT-2026-000018762

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000018762) never changes.

Identity and time

Publication numberOT-2026-000018762 · never reused
Internal UUID01a0ae6e-d521-72af-9403-db00b83785b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018762
StatusPUBLIC

Content hashes

Canonical text457daed3fd9b8a3148b5d8f8792031a9aec114dbb08237fbb2f805a29f8e21f0
Markdown79fc6c8f4ad84269150404814f4045efb6758003d14d97b0175373284b6f39e3
PDF
Publication page1a47c22a28b496b27014b4ca7442aa7f86b2a7fc70c08e0098d1c035a153c14b
Manifest04e32007f8407d57a8c40a3e64d4667c9133f337429d6ec5f9e1bf8381e25e52

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
Signaturej1+NnWfh6OLyhFHRlfTKZ9JEuEYq2fA5FqfM9wuvkxqYO2VF4VyEZXq1Knr7QVyG7+Gc/uLT4IIQz+LR6Z3DDw==
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

2026-09-17T11:59:22.856705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018762
observed 1a47c22a28b496b27014b4ca7442aa7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:22.838792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018762/manifest.json
observed 04e32007f8407d57a8c40a3e64d4667c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:22.820201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018762/publication.md
observed 79fc6c8f4ad84269150404814f4045ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:22.799063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018762/publication.txt
observed 457daed3fd9b8a3148b5d8f8792031a9...
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.