OpenTechnical

OT-2026-000050670

Publication integrity record

Foam pad vacuum gripper, three stage ejector, vented 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-2026-000050670) never changes.

Identity and time

Publication numberOT-2026-000050670 · never reused
Internal UUID01a0ae82-c7b0-7067-8bd0-30e14bc2568a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050670
StatusPUBLIC

Content hashes

Canonical text43e4137cf69dab3e758f519e557456670374fbd6225dd27de746b6949db27956
Markdowne3f6511c1c4a2936625731c12d0c9fc54caf336745bccc91215b0ec505ffa8f0
PDF
Publication pagee71e54418f02ada8bea2a51f4c6c73e6091a68ad91700a0b800883998aef0f36
Manifest5652be05d8941ffe67a9dcf929c3da02800417f7f3c1f47522bbdf8bd173e699

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
SignatureDoQKN0LKOIgHyx2+fJMQQZ48SKCwoa0UfZFZ1OaN6TNC8JhNYJu3wiGWGb8et56jvDWqP92bAwTr6YYi9mr6AA==
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

2026-09-17T10:59:19.213660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050670
observed e71e54418f02ada8bea2a51f4c6c73e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:19.193084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050670/manifest.json
observed 5652be05d8941ffe67a9dcf929c3da02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:19.126973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050670/publication.md
observed e3f6511c1c4a2936625731c12d0c9fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:18.979845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050670/publication.txt
observed 43e4137cf69dab3e758f519e55745667...
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.