OpenTechnical

OT-2026-000034325

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000034325) never changes.

Identity and time

Publication numberOT-2026-000034325 · never reused
Internal UUID01a0ae75-df0e-737e-bb40-80f753b49361 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034325
StatusPUBLIC

Content hashes

Canonical textea481803fb9bdfba9fe0d018edb8c129304531908128f38a08cc3bfeec2f2a50
Markdown54cc41c9e67b24dc0bbed69ac433a723f9ed06e4a1adb87cc3ae7bf6fa7fe704
PDF
Publication page3b7d800a17b2471650158390b65d47605fd2b5d574ca475179d2efdf053b9040
Manifesta438b41eca77e1d6e90e385a2d0cb2dce0fad42ac415f3a75d50bc045c043c9c

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
SignatureURXvnyVCvIfOLdT42q6LrwJYjfBd15YhaXfBpEAXNg1DWRJYL+VciscGQSl1gH1kUYIn6LZTpKK7BC6gDTrICA==
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

2026-09-17T11:31:01.198896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034325
observed 3b7d800a17b2471650158390b65d4760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.182115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034325/manifest.json
observed a438b41eca77e1d6e90e385a2d0cb2dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.156739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034325/publication.md
observed 54cc41c9e67b24dc0bbed69ac433a723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.135484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034325/publication.txt
observed ea481803fb9bdfba9fe0d018edb8c129...
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.