OpenTechnical

OT-2026-000064524

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000064524) never changes.

Identity and time

Publication numberOT-2026-000064524 · never reused
Internal UUID01a0ae8d-a461-7031-9ca6-7af533900c74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064524
StatusPUBLIC

Content hashes

Canonical text06162b8ff8e8462f92ab9bb4e93907ff6ee58114d91a703e14ebf17792598c44
Markdownebe9f91ef1e7566dd90d3ec2e9e81c83e06118d3d2808363212b184a9336c6b6
PDF
Publication pageb84697f8aa03839a5f1c629182be26b2b492a076379be122a3824f93ac02dadb
Manifesta894767b848786e23a5fe79d799b476ad85b4e4a1d45e03674ab6a84831c8232

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
SignatureCXtcffw0ALZseBQaP5mP++L83xzKrd9AwxGyFtmcSCHR39KjEEqZmwQtK6H1pkUc6/Jri434PIMc0FuKpq6QBA==
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

2026-09-17T10:36:44.218051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064524
observed b84697f8aa03839a5f1c629182be26b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:44.200473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064524/manifest.json
observed a894767b848786e23a5fe79d799b476a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:44.181986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064524/publication.md
observed ebe9f91ef1e7566dd90d3ec2e9e81c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:44.164055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064524/publication.txt
observed 06162b8ff8e8462f92ab9bb4e93907ff...
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.