OpenTechnical

OT-2026-000084461

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three 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-2026-000084461) never changes.

Identity and time

Publication numberOT-2026-000084461 · never reused
Internal UUID01a0ae98-5b63-7aa2-b684-a556f0b8b3e4 · 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-2026-000084461
StatusPUBLIC

Content hashes

Canonical textc2450a048c2d89072cc7efe99031602b20b5268f2bbbf88ddfc43790d9d50e5f
Markdown518dc8fbaf1ef483ff2f26d7fb513da0bd29f35cf4b0da830db7ecdc5d195045
PDF
Publication page68c4489aa3d9361b3022262fb52b284eebcc7e37322b561f9bdbee263c786b7d
Manifestce2037ee598b146d0aa2fd2c5605ba0a883705daaefed93915b0dd533992433a

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
SignatureMvZR3/1E9nssHLJSMBWL3uSeZ+0NxRggS/dO4IRVyQz0r1DQVm/cb2V3qzumVBMfDnOWs64xfTy4admYiEomAg==
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

2026-09-17T09:56:25.414614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084461
observed 68c4489aa3d9361b3022262fb52b284e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:25.396099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084461/manifest.json
observed ce2037ee598b146d0aa2fd2c5605ba0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:25.379044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084461/publication.md
observed 518dc8fbaf1ef483ff2f26d7fb513da0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:25.360962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084461/publication.txt
observed c2450a048c2d89072cc7efe99031602b...
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.