OpenTechnical

OT-2026-000091085

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000091085) never changes.

Identity and time

Publication numberOT-2026-000091085 · never reused
Internal UUID01a0ae9c-c012-73cf-b26b-bff02fabea1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091085
StatusPUBLIC

Content hashes

Canonical textce64b5b6e2073d87307ee9028567726e2de36937177c2bea551af3256e6b26ae
Markdown5ed791c0e6307ad96f355fab6c9f114758ff64f62f55edfeaed2cc358be56fcd
PDF
Publication page56e24154e27366f793d0a494c4827ef12787eb0dee8197974e9ae97f130b91fa
Manifeste462a2739d87c8361deeb82e6f5c89bd725992fd31c19fb8d3314a701bf5206d

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
SignatureiyrTXtY0dYZZALIhXfctat4GaR60Sfkv/8sr7wXuCrUXcX3InjMLrD569sByYfIMvU4H1aqfCztPkQLaW4eNCg==
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

2026-09-17T09:44:19.877742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091085
observed 56e24154e27366f793d0a494c4827ef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:19.860971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091085/manifest.json
observed e462a2739d87c8361deeb82e6f5c89bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:19.842789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091085/publication.md
observed 5ed791c0e6307ad96f355fab6c9f1147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:19.825739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091085/publication.txt
observed ce64b5b6e2073d87307ee9028567726e...
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.