OpenTechnical

OT-2026-000006939

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, three outlet manifold, three stage ejector, plastic cups

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-2026-000006939) never changes.

Identity and time

Publication numberOT-2026-000006939 · never reused
Internal UUID01a0a96d-0048-77fb-ae80-b6270c8ac366 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:54:48.139344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006939
StatusPUBLIC

Content hashes

Canonical textf442d73a3980711282d48781069bf4484bbc6cad8b2ed24b6f6a778ee5c457c3
Markdownc9c0c75f98ec2e7da3c126563940583a79200035bbb0e6c4b69c9fe9746d1163
PDF
Publication pageb8ad373a6a34a30d8e3bdfb0eaa43afe90108f57387cd012d9d099176acf5f4b
Manifestcd3a83172c6d41fc6f0bb0d7552e840516bbe802f373bda5f49bcac7541b38a2

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
Signaturemh1kDT9QOGB3hzkHx4I3t/cA5yHpEWNCy5Fm3kAxwGQYEaB57/0MP1q/F9ooOM47ItLpdSotFGvyYE6ouP6OAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:19.901978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006939
observed b8ad373a6a34a30d8e3bdfb0eaa43afe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:19.886559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006939/manifest.json
observed cd3a83172c6d41fc6f0bb0d7552e8405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:19.747767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006939/publication.md
observed c9c0c75f98ec2e7da3c126563940583a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:19.732033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006939/publication.txt
observed f442d73a3980711282d48781069bf448...
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.