OpenTechnical

OT-2026-000011033

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-2026-000011033) never changes.

Identity and time

Publication numberOT-2026-000011033 · never reused
Internal UUID01a0ae6c-540e-7655-8d5a-5a7dfac3a05c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011033
StatusPUBLIC

Content hashes

Canonical text7e2e0ee2951e22fb120c2276e0e9844169ee1554ca6f1b8d55471d1a9e7bbb13
Markdown69af9303073fe485fa3bcf7484747ae5fb3aef4a43cb6c8bf4d65a531740a399
PDF
Publication page5e13c29db40233ad2aade6f17dd16312814e6715398a8c8918a3daec357e88cd
Manifest21bf313b80d9fc7eb3bcdf5a84f2b24f5d82eb722ec37b7413e067de93c1975b

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
Signaturef9IrUe6uWxjBJ7Ze8au8vMbIxVOQi8OHhVrYLpNr8uAEbpHbyqujjKX2uUadjUPO28cY2iHQJvLi1WpTusixDw==
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

2026-09-17T12:13:51.636154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011033
observed 5e13c29db40233ad2aade6f17dd16312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:51.615468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011033/manifest.json
observed 21bf313b80d9fc7eb3bcdf5a84f2b24f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:51.595587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011033/publication.md
observed 69af9303073fe485fa3bcf7484747ae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:51.576344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011033/publication.txt
observed 7e2e0ee2951e22fb120c2276e0e98441...
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.