OpenTechnical

OT-2026-000014233

Publication integrity record

Two cup vacuum gripper, two 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-2026-000014233) never changes.

Identity and time

Publication numberOT-2026-000014233 · never reused
Internal UUID01a0ae6d-b279-71e9-a333-610fa57e40fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014233
StatusPUBLIC

Content hashes

Canonical text7fedadefa399421f44ba7d9ca45eac2a2ecce03ce925aac958b6958bdf0a6046
Markdowne97f192730e00e13bd330bf06b08008f600150e54183eb0a5676adb50f7215ea
PDF
Publication page8d1d72e1216a390fc9316ce5de8d9b6cbb4fbadeebcb1841f9d0dc7b4479f263
Manifest9d4b82470bc3d65f7ef0e8604557f329fcf034964cf389ef493fbc753a79be8d

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
SignatureMUuJSN7YXts2zYGkIUhDWn+kR+GcD5vQa6aQDB/CyJrVUp/Mw4k4Oe2BlX2NaZw8rKkqsZZxcrr1wsBOBLgyDg==
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

2026-09-17T12:07:20.966492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014233
observed 8d1d72e1216a390fc9316ce5de8d9b6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.943948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014233/manifest.json
observed 9d4b82470bc3d65f7ef0e8604557f329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.919501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014233/publication.md
observed e97f192730e00e13bd330bf06b08008f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.897667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014233/publication.txt
observed 7fedadefa399421f44ba7d9ca45eac2a...
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.