OpenTechnical

OT-2026-000046444

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed blow-off 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-2026-000046444) never changes.

Identity and time

Publication numberOT-2026-000046444 · never reused
Internal UUID01a0ae7e-57dc-7aca-90ea-be69462557a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046444
StatusPUBLIC

Content hashes

Canonical textc621886a997c04c03c997f53e9ccff503f2f347f8e352ceb8c42f7e9f3fd18c5
Markdownb335c7533466373ebc3e0cc217bfbaebfd54d42041aade024eb3197509a93000
PDF
Publication pagef4cbe4b5be5eca03ef92e5bd12f2fb9e2b5393647b92e887f937ab2f89bb396d
Manifestf71c4661855ec589d2e13081d43d1c48e7874b03ac07eb9d489b57a17fa03c90

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
SignaturethZ6UsCUEEOvJQEptWpLaHIKUT7aHoUoSedofsYPj2B8dWDl5MyxeloWnd09294ibvhzzurs/Jxqu43VhyqWAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:08:27.867060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046444
observed f4cbe4b5be5eca03ef92e5bd12f2fb9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:27.845910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046444/manifest.json
observed f71c4661855ec589d2e13081d43d1c48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:27.824862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046444/publication.md
observed b335c7533466373ebc3e0cc217bfbaeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:27.804927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046444/publication.txt
observed c621886a997c04c03c997f53e9ccff50...
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.