OpenTechnical

OT-2026-000040523

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line 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-2026-000040523) never changes.

Identity and time

Publication numberOT-2026-000040523 · never reused
Internal UUID01a0ae79-6d0d-74dd-ac93-8977f3f74760 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040523
StatusPUBLIC

Content hashes

Canonical textbc8b1ba10498d081f80a98c284589a9751d28d94ebc919d2309576a10a80e0ed
Markdown6d43e271d5ac607a0e67eeff47f15236c9dfaa4c7e44e9fd0aebfab48198cd7f
PDF
Publication page81fad9df0fbde5bf9aeb432cbb9e1dfdd0b6fa408fdfaf671016d401c7f25d6a
Manifestaf768e38a319e08908196a31e0423fba230528c87ee1cca284a2ed6a1b9fc244

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
Signature51M87K4jaVdokdPMRzhHo07Gm+jxeS6CjP3C9ySKoj9FzOE7JtHnd70lMlqMAei5P7GyLSXcnXeqWEObp0piCA==
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

2026-09-17T11:17:40.178071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040523
observed 81fad9df0fbde5bf9aeb432cbb9e1dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:40.160331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040523/manifest.json
observed af768e38a319e08908196a31e0423fba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:40.139644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040523/publication.md
observed 6d43e271d5ac607a0e67eeff47f15236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:40.119778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040523/publication.txt
observed bc8b1ba10498d081f80a98c284589a97...
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.