OpenTechnical

OT-2026-000093697

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000093697) never changes.

Identity and time

Publication numberOT-2026-000093697 · never reused
Internal UUID01a0ae9e-508c-79bb-938c-0ea8462f63c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093697
StatusPUBLIC

Content hashes

Canonical text01d46164f7cd24544459a105ddcde936cff87f2a9bf0ac9cd820884a2727ea03
Markdownf92203f09a1908a5e9c519a6efd4c6aa4de730a65dc6a0591fe2c030f89be172
PDF
Publication pagedff42a09e50a051ad922b5408b024fe42bbeaa818a7d7cfe05962ac20f114eea
Manifest8a9ab2ed3ee4f1e8c887ffc6c0acdd06abb4b8c1303f0e3ff669cadc03747498

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
Signature1X9MVR8nJWEseFuF+Q+dL4YFyBEFwBiV8+xtgRAFRcbx7xkhJaPVa2f2GZdWGXijhIPOBPMZ96q+oS+AsYffDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:39:45.789881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093697
observed dff42a09e50a051ad922b5408b024fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:45.771159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093697/manifest.json
observed 8a9ab2ed3ee4f1e8c887ffc6c0acdd06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:45.754208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093697/publication.md
observed f92203f09a1908a5e9c519a6efd4c6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:45.735264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093697/publication.txt
observed 01d46164f7cd24544459a105ddcde936...
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.