OpenTechnical

OT-2026-000069962

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000069962) never changes.

Identity and time

Publication numberOT-2026-000069962 · never reused
Internal UUID01a0ae91-1860-77c9-92e1-735be1463dc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069962
StatusPUBLIC

Content hashes

Canonical textf07516c5dc699394a71b84afb105775ca004bb758347247516f583f0ffa001b2
Markdownf15dbf4014d14535f51a360fbbac6a2cb7815854dc24a90344f808643a35d5eb
PDF
Publication pagee9d2047bdbf797fad53da877dd0c619b8d53fb4ed60fe516f08414ce77e7aec1
Manifest109d3cdb71db806c2cdd31b9060b97f4a35c5bb756eb5aed26d11fb57c20204b

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
SignaturedE0/AfhmHqcocGWXpKcNN+0jHvcINo0XgfZNHRq0J8wF0n/fVbPWfRyAQuccfTt6EfsQA3dEYwhPu5I+Z5mFDg==
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

2026-09-17T10:26:54.163658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069962
observed e9d2047bdbf797fad53da877dd0c619b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.145257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069962/manifest.json
observed 109d3cdb71db806c2cdd31b9060b97f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.126377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069962/publication.md
observed f15dbf4014d14535f51a360fbbac6a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.107886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069962/publication.txt
observed f07516c5dc699394a71b84afb105775c...
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.