OpenTechnical

OT-2026-000006044

Publication integrity record

Porous face vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000006044) never changes.

Identity and time

Publication numberOT-2026-000006044 · never reused
Internal UUID01a0a94d-60e5-72b4-8dab-6fcb973f6482 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:20:15.721165Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006044
StatusPUBLIC

Content hashes

Canonical text872249116b209fc674f22300d6b593f2861b66e734a7f8bd0eee5d980e5bf56a
Markdown1a7744023fd26b80cf4e1ff9126a9dd4e7387f7b63a6e601e77f925fc851979c
PDF
Publication page345b4b06db28a5ce97871d7e015396fdb772f0d9f6e10bd80a51bd8e227343f5
Manifest5458ee7b61cbd9cf91a3f698438ee9da43e056b958e029cc408b9206ea93040f

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
Signaturedjnyc0B9bNw+zlY+RDeyy1DcqYH5qvYs159JV6KcYiBwNUyWAY2zjJtE2AJL8wqmahcMto+VHlfnpfppRqIZCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:33.935353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006044
observed 345b4b06db28a5ce97871d7e015396fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:33.920931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006044/manifest.json
observed 5458ee7b61cbd9cf91a3f698438ee9da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:33.907040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006044/publication.md
observed 1a7744023fd26b80cf4e1ff9126a9dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:33.894417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006044/publication.txt
observed 872249116b209fc674f22300d6b593f2...
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.