OpenTechnical

OT-2026-000067079

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed 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-2026-000067079) never changes.

Identity and time

Publication numberOT-2026-000067079 · never reused
Internal UUID01a0ae8f-14fe-75d5-b793-4a670eebdb2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067079
StatusPUBLIC

Content hashes

Canonical text19adb4a88436d3b816f8eb4c4ad6ca7e4db454cadb487b4236f17b7586737eb9
Markdownac5a0282a78c2b402c9c85c6e24168a482ea9bc6f2d734d306fa902bc6252539
PDF
Publication page4f2058b931016b8256ac6ea0fd07f0749f842a0df968043c9844b6ac0ea7f521
Manifest4718978f659e89f6821e896faff4390498342d32a22402973559553a5c0d75da

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
SignatureZOpAsIsEmuQOWbRn+vwG5KnqEuPooL5j3oBK6vJwDl//R4eg7uD8Q5AmyHQZKPqn4HHVi1RlORrmazgHfAjnDw==
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

2026-09-17T10:32:20.496426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067079
observed 4f2058b931016b8256ac6ea0fd07f074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:20.477746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067079/manifest.json
observed 4718978f659e89f6821e896faff43904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:20.459195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067079/publication.md
observed ac5a0282a78c2b402c9c85c6e24168a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:20.440713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067079/publication.txt
observed 19adb4a88436d3b816f8eb4c4ad6ca7e...
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.