OpenTechnical

OT-2026-000072066

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented before 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-2026-000072066) never changes.

Identity and time

Publication numberOT-2026-000072066 · never reused
Internal UUID01a0ae92-47c1-7482-84d1-4dd6edfb1685 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072066
StatusPUBLIC

Content hashes

Canonical textbbf8c072729d05308a8df905fcfb97d7de41d75d0102edd7f9e3b53773fd8f84
Markdown9b9d08500bd58ffc917d0f3b46da9b34fdf0a86df2f0a92338bf031adeadb010
PDF
Publication pageb3d7a6431316b54f9c64fc2b5f78b0cb5ebb38281134aa47f228a4dad8f07ce6
Manifestdf913ba0f942e9e8a5883a52cffeb422dd637b8e75b8901998d837a5e89e239a

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
Signaturet+tTHUgSccjZzHCCuRU+UhMY+w9iK4qqn28UBCClfomKAlVVyuS9eGA/gK5rKclMzXx54WdAHsJvbtLTO6USAQ==
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

2026-09-17T10:23:08.410987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072066
observed b3d7a6431316b54f9c64fc2b5f78b0cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:08.393548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072066/manifest.json
observed df913ba0f942e9e8a5883a52cffeb422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:08.375267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072066/publication.md
observed 9b9d08500bd58ffc917d0f3b46da9b34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:08.356749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072066/publication.txt
observed bbf8c072729d05308a8df905fcfb97d7...
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.