OpenTechnical

OT-2026-000051185

Publication integrity record

Single cup vacuum gripper, three stage ejector, vented 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-2026-000051185) never changes.

Identity and time

Publication numberOT-2026-000051185 · never reused
Internal UUID01a0ae83-273f-7b68-9d8a-186dc7b55f99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051185
StatusPUBLIC

Content hashes

Canonical texte2b9ba9b004555b18e3867c7fd7b1eace617c555afc27b7d6f15cb195922d227
Markdown1cf554a6a973dc5b2f0a04f382ab4385e2185d7561951580a71a2e9163262c0a
PDF
Publication page4a179b41c5f337e8d66f440ca31d93bcc3eab60d9fb8f491239360b989cf2bab
Manifest6224c66b9495d8311804522158bd2cd4ddc13e21d7264ac75fd200e3fc72a16d

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
Signature4XC/2RryAvFFwJYyPsKXYiffrG0RE9i47tMiu200tyD1iS/10jIqFBQi/bGmpgm/pIzcAko/x4c9FDMTaBMJDg==
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

2026-09-17T10:58:57.703550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051185
observed 4a179b41c5f337e8d66f440ca31d93bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:57.682105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051185/manifest.json
observed 6224c66b9495d8311804522158bd2cd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:57.658716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051185/publication.md
observed 1cf554a6a973dc5b2f0a04f382ab4385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:57.638981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051185/publication.txt
observed e2b9ba9b004555b18e3867c7fd7b1eac...
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.