OpenTechnical

OT-2026-000085472

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000085472) never changes.

Identity and time

Publication numberOT-2026-000085472 · never reused
Internal UUID01a0ae99-aaab-71dd-ae23-b69f859ec9a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085472
StatusPUBLIC

Content hashes

Canonical textcff76edf4da71b1431847008a3ec35c2c6771d0a00dac1311985daa41ed7dc0e
Markdown9195dde6ac737457e958e9a0313dae7d1aee1246beb256cae80393d4cef5b452
PDF
Publication page8975f5a5689a3fb796392658590f37da6f978bf825bdc046290a197ddc48242f
Manifest6bb9787a71b31ab285db57a6979181eec50c6406b32cf0f87182d5bec918ab9b

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
Signature2ZTCGLC+rKiH5fEgWBuJagqamq8+upXajN5kKgb2Nd9Zwr0tsnIYsy6sv+WfYCWWN4yXxDvZF6A9/Jea/gXYAQ==
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

2026-09-17T09:54:16.045269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085472
observed 8975f5a5689a3fb796392658590f37da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:16.025575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085472/manifest.json
observed 6bb9787a71b31ab285db57a6979181ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:16.007401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085472/publication.md
observed 9195dde6ac737457e958e9a0313dae7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:15.989378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085472/publication.txt
observed cff76edf4da71b1431847008a3ec35c2...
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.