OpenTechnical

OT-2026-000084232

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after set-down

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-2026-000084232) never changes.

Identity and time

Publication numberOT-2026-000084232 · never reused
Internal UUID01a0ae98-5b60-7829-84ee-7b61648c1152 · 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-2026-000084232
StatusPUBLIC

Content hashes

Canonical texta59df366f69eb264b812026e333891076dc7f053b12faa0ec9a8c41b66d24ffc
Markdown603e054d43980b445799c915aaae960c1e0d8834ff14f25029e7b286d96a9a8b
PDF
Publication page3ce5985807c8bf19fd00e2e01ecf2588226e543706dce5662e77ccf987652fe1
Manifest0c5d142cfc22c0678973f096cac934c05618d94fa4d69f4d9a2632625b9644ee

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
SignatureKnQw2u3I/HVrBwGfGsXiH3w9K1pwpW5uQovbSCfiJrrBvhmDJvY6BmnXjo91AAKIAbgPZb5ktwvL9P9U1j1dDA==
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

2026-09-17T09:56:01.579124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084232
observed 3ce5985807c8bf19fd00e2e01ecf2588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:01.558571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084232/manifest.json
observed 0c5d142cfc22c0678973f096cac934c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:01.541162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084232/publication.md
observed 603e054d43980b445799c915aaae960c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:01.523277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084232/publication.txt
observed a59df366f69eb264b812026e33389107...
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.