OpenTechnical

OT-2026-000090582

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000090582) never changes.

Identity and time

Publication numberOT-2026-000090582 · never reused
Internal UUID01a0ae9c-7f2f-7877-a5fd-0b4c4fef93e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090582
StatusPUBLIC

Content hashes

Canonical text66526c31b4eda4865a5e63aeaba0cf1a46a1a1e1d149824007100fa9c5682cbd
Markdown4366e1a2b1b94e0e260c3d3c4e48c6b9a13282721d854338dfbe2fea1324897b
PDF
Publication pageaeb8eb98de29c89635fd9423cd74286a17249e49710d13c4691ccda6319c61b5
Manifest495df880fedf915d2daa10494ea0a1b597f180260a55d20b4a8bf07998d97787

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
SignatureA0glHQdR0sBXCyHdkauF0ywe42og47QQQ43ErmufbUMqW/BLOqnLV6qXUoRFpLxYWRYMnoGR7WU25Z9RVTQTAQ==
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

2026-09-17T09:44:45.732844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090582
observed aeb8eb98de29c89635fd9423cd74286a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:45.713845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090582/manifest.json
observed 495df880fedf915d2daa10494ea0a1b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:45.695411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090582/publication.md
observed 4366e1a2b1b94e0e260c3d3c4e48c6b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:45.677651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090582/publication.txt
observed 66526c31b4eda4865a5e63aeaba0cf1a...
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.