OpenTechnical

OT-2026-000016475

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000016475) never changes.

Identity and time

Publication numberOT-2026-000016475 · never reused
Internal UUID01a0ae6e-2d13-72f0-811c-13c1634e1527 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016475
StatusPUBLIC

Content hashes

Canonical text2ea0f70cc1460df489a33d343fc9ff416936f861c1246c36d7d3f7d61a57801d
Markdownaebef3876340d2f0c2d14094c436cf4906bed8fc1545a8fae09f34b0db47bdfc
PDF
Publication page197d91281832ad148074eac19533c494c199629ed49d34b14809873480103ead
Manifest0032d4cfd4cbabded94ab7b59132018044773cd677d1b4d5bcd7b0901ddec7db

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
SignatureZDH6VCZKMEjSR/OvH9il8Y6KVW/9+UAxNK5xHsnGGUUbePaxqnwNSv7vQeScAXlgXi8PzYldlTApGIljIwEjBA==
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

2026-09-17T12:04:40.596405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016475
observed 197d91281832ad148074eac19533c494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:40.579818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016475/manifest.json
observed 0032d4cfd4cbabded94ab7b591320180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:40.560511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016475/publication.md
observed aebef3876340d2f0c2d14094c436cf49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:40.542415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016475/publication.txt
observed 2ea0f70cc1460df489a33d343fc9ff41...
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.