OpenTechnical

OT-2026-000084480

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000084480) never changes.

Identity and time

Publication numberOT-2026-000084480 · never reused
Internal UUID01a0ae98-5b63-72d7-af8e-d5bf83bf4562 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084480
StatusPUBLIC

Content hashes

Canonical textc4fcc1e1745c10bd35486415b30dc572934508b4c5c493943eb411436129d433
Markdown82c4c763e2012391ff7126369808779941e0c1e2e4717270eb86bf23383772b5
PDF
Publication page07d370fe6a6813a09bdbf51ea39df8cd5dacd76dbe332a64a3df16ca767944cb
Manifest0d711123f4c92aa4b78f47f586434dcd4d7cd516afa6949550b038adcb779189

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
SignatureAO+UZeGSBmrwRvgvksagmVBOB0Jsy+sInttlqNkkEXI5USC7zR8YYMjWiSyEIDP5qDhPCjKL3DTn8vfIV28/Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:26.853872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084480
observed 07d370fe6a6813a09bdbf51ea39df8cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.837656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084480/manifest.json
observed 0d711123f4c92aa4b78f47f586434dcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.819893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084480/publication.md
observed 82c4c763e2012391ff71263698087799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.803491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084480/publication.txt
observed c4fcc1e1745c10bd35486415b30dc572...
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.