OpenTechnical

OT-2026-000004586

Publication integrity record

Porous face vacuum gripper, three stage ejector, pulsed blow off before set down, closed cell

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-2026-000004586) never changes.

Identity and time

Publication numberOT-2026-000004586 · never reused
Internal UUID01a0a91c-e0b6-7450-88b2-1327c74be557 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:27:17.176446Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004586
StatusPUBLIC

Content hashes

Canonical text810a773147c83b3aa5367bff3db00e5b430a6517dbdbd28cbf6a191016d28319
Markdown7b43efdea95d2987253fd80c91389184ac1b769ec232f81480ef98748a0976a0
PDF
Publication pagea7154d61437cc88f40184bc49a92e816b8dc0394c2ed9171fa950df8afaff4f1
Manifest7179c15a93c4da0cfbeb89cdecb2c0ba107a3d70e5c7a6c1fefa25e8c24bfec4

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
SignaturekxacElmBm7VDZQbvbVAH4bCIcnoOG/cQgT3jPn/ir1dNzFZ02fVoAWDWNLMIwW5u1yNwAO9D/A9YTHNDx260Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:30:12.004566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004586
observed a7154d61437cc88f40184bc49a92e816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:11.991557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004586/manifest.json
observed 7179c15a93c4da0cfbeb89cdecb2c0ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:11.978536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004586/publication.md
observed 7b43efdea95d2987253fd80c91389184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:11.964529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004586/publication.txt
observed 810a773147c83b3aa5367bff3db00e5b...
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.