OpenTechnical

OT-2026-000084425

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000084425) never changes.

Identity and time

Publication numberOT-2026-000084425 · never reused
Internal UUID01a0ae98-5b62-79ff-80ea-f97a18800a50 · 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-2026-000084425
StatusPUBLIC

Content hashes

Canonical texte6770a81647728912ece64bc541ba7b96cf489f67df19f1775385c3bc3b2bdd0
Markdown800f72f497ca5f556403c2bb536c8d0ac0973a2f7e0d4e12c4e481546736ecb8
PDF
Publication pageb5ab1760463a6b78a5e2c36c00a715f09dfbb74168d0c2665677d44ed5b1a02d
Manifest4eea90eb0ab1c5351f2d6fb29600a86eabe71a3d9acbd843232010d6a43fa2ea

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
Signatureai59wH8FocTBZy+u5wXl9NS/vOmR1ksBe0pKLubo+N8DXvnDM3RdcbwcNMV9pkLtyvCcjKJRvAt6Qljnm/yvAQ==
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

2026-09-17T09:56:22.584342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084425
observed b5ab1760463a6b78a5e2c36c00a715f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.567691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084425/manifest.json
observed 4eea90eb0ab1c5351f2d6fb29600a86e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.550314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084425/publication.md
observed 800f72f497ca5f556403c2bb536c8d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.533554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084425/publication.txt
observed e6770a81647728912ece64bc541ba7b9...
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.