OpenTechnical

OT-2026-000063354

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, vented after 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-2026-000063354) never changes.

Identity and time

Publication numberOT-2026-000063354 · never reused
Internal UUID01a0ae8c-f943-729e-8f59-f36365a4bc70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063354
StatusPUBLIC

Content hashes

Canonical text83b5d457b58c7acbb17cf962fadde2ceaed3777b810c72cf1f02dfbc9fa4ad47
Markdownd9eb73e84d8030bef576af0d26414874b5794ab0a36f478f03e7099762754ff9
PDF
Publication page19cc154f2ecc5cd6354532e6444ef44d9e46b7517c5db6b456c885ce5b9e8976
Manifest184f81de6daaa894983276186ebc15a6a05c2f6f8cd0544b5220da8766fd2953

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
SignaturefgvcwVsGDe+t4p9uJFvEexTup25aA0vQv6ffJh4VGWVr5P9iangHlKFSzxiqrwQEe0XRc79TNT5gpt+PPMZDBg==
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

2026-09-17T10:37:15.341212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063354
observed 19cc154f2ecc5cd6354532e6444ef44d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:15.324210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063354/manifest.json
observed 184f81de6daaa894983276186ebc15a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:15.308227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063354/publication.md
observed d9eb73e84d8030bef576af0d26414874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:15.287612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063354/publication.txt
observed 83b5d457b58c7acbb17cf962fadde2ce...
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.