OpenTechnical

OT-2026-000080926

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000080926) never changes.

Identity and time

Publication numberOT-2026-000080926 · never reused
Internal UUID01a0ae96-b975-76ce-b5b3-d1257b4dcc81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080926
StatusPUBLIC

Content hashes

Canonical texte52cc7781e22e5953c08c087c4055a19f4afd0839b6f41dbd18739d9df2847cf
Markdown9d8d4afe2707c2da7c77e18deea8ce664491cd3b758fcc37cf10ab33809274d2
PDF
Publication page81e95694697c24170b06d0197af19aeeb53be0388dd1e6f6ee45d31ba406f731
Manifest1e68094bcbc98cb586dc82b5949213b49359fd7ac932eab637873c7c50a12a67

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
SignatureCYXuTMMIcH4aY3nXPtNHWMPzyrmnXMKGRicvaEkgg0zQ42JUI1i6JO+oALNKGc2IW1GtZ3CcR9fJdR2EzmSaBw==
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

2026-09-17T10:02:07.821801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080926
observed 81e95694697c24170b06d0197af19aee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.804092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080926/manifest.json
observed 1e68094bcbc98cb586dc82b5949213b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.785611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080926/publication.md
observed 9d8d4afe2707c2da7c77e18deea8ce66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.766919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080926/publication.txt
observed e52cc7781e22e5953c08c087c4055a19...
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.