OpenTechnical

OT-2026-000033163

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000033163) never changes.

Identity and time

Publication numberOT-2026-000033163 · never reused
Internal UUID01a0ae75-4844-7353-8cb6-4f1881cd6c76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033163
StatusPUBLIC

Content hashes

Canonical text17ba319e179fbb900868645adf3e8eb79d185b93b735ede950f1ca2946a910c8
Markdownadc923a0fdf60962f36befca1b37c96979e40e830e120e8ad9eed5af1302c273
PDF
Publication page1f943bc5291d139e33983b19eaaa918bc247eebbc5ef02504f00cc9c00b21545
Manifest0f8cf200958bb8b5540fbce08ea3dd592dd6398e3f25648d268261b90ad7a3e0

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
Signature2BfyXNQz0zbd3E0xvomgn9uaztwkxW9D3gvUgGZ8+rfz+310MPx8jVm9X6cZNjG7zMbMiwygH1UP5t1o7dsmCw==
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

2026-09-17T11:32:51.166643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033163
observed 1f943bc5291d139e33983b19eaaa918b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.151290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033163/manifest.json
observed 0f8cf200958bb8b5540fbce08ea3dd59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.133653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033163/publication.md
observed adc923a0fdf60962f36befca1b37c969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.116698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033163/publication.txt
observed 17ba319e179fbb900868645adf3e8eb7...
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.