OpenTechnical

OT-2026-000081531

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000081531) never changes.

Identity and time

Publication numberOT-2026-000081531 · never reused
Internal UUID01a0ae97-0f71-7334-a48d-604526b5be7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081531
StatusPUBLIC

Content hashes

Canonical text0754a34fbe8dc66a4c11ff23a4ac5fafedd4a6c09e5b7cdf72fc4ce87aa79700
Markdown6ca0bb62d619c5671e2a317278d136967d230e1df4e30b8cd34a77a4974abcc5
PDF
Publication page1c09e6fb66ddaefee24838013360e0949abdc2c7e92217e8bea593c20d641d0f
Manifest921b5bbf07da4e8434d53040fafa5585df5fb8e81b8e8eb1d41b6c240d3dbb58

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
SignatureiNqHLkYr0Tw/RGfDVapeoLZl2tNE33Jf68dQLKpzdx0ajjlIDpqrG8ojoL8UHL6drEQmynPcUZYE35fiYzTFBw==
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

2026-09-17T09:59:33.118169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081531
observed 1c09e6fb66ddaefee24838013360e094...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.099768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081531/manifest.json
observed 921b5bbf07da4e8434d53040fafa5585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.082435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081531/publication.md
observed 6ca0bb62d619c5671e2a317278d13696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.063625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081531/publication.txt
observed 0754a34fbe8dc66a4c11ff23a4ac5faf...
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.