OpenTechnical

OT-2026-000087026

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, sustained blow-off 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-2026-000087026) never changes.

Identity and time

Publication numberOT-2026-000087026 · never reused
Internal UUID01a0ae9a-9f2d-7da0-86fa-74f6af32f966 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087026
StatusPUBLIC

Content hashes

Canonical textd46e26d55cc8a4dd1a72db3f17ef046213320b6f5407e0e536238bd55e6e97ee
Markdown8464e4b0ed12e57b44b8afbf24acf3e83bd79503e5d09619574ba4431f281e8f
PDF
Publication pagea7e4b37ab166a59833f5793fdad6f3568def165bd60fbfc96765078ff9f5b5dc
Manifest22c556f7df12ecfbb52338a9f1168c5086e4d58fd9db5a5e6f90b91ba804d72d

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
SignatureUFvYQMLt7XpSjlPRL9nOAJIYWEOhsGG843ED+vqCle3E9dUFCP/Unb8SnmSTuWbViSzvfKUCaPpdMrX8eFKADg==
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

2026-09-17T09:51:16.139002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087026
observed a7e4b37ab166a59833f5793fdad6f356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:16.123540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087026/manifest.json
observed 22c556f7df12ecfbb52338a9f1168c50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:16.107428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087026/publication.md
observed 8464e4b0ed12e57b44b8afbf24acf3e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:16.091592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087026/publication.txt
observed d46e26d55cc8a4dd1a72db3f17ef0462...
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.