OpenTechnical

OT-2026-000086265

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump 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-2026-000086265) never changes.

Identity and time

Publication numberOT-2026-000086265 · never reused
Internal UUID01a0ae9a-2c95-7e74-97b5-1e1aa09ddf5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086265
StatusPUBLIC

Content hashes

Canonical textea77fa0bca752b1b2e72d889d424e14e23157a0e1ef79784f44ac3ea9d3af455
Markdown4d892d27da77f191797907020fc6ced4e5bd74488ba2ae58a8e1dae7310a5649
PDF
Publication page2d75ac8e506836610df1c3411e7ce298d628c46952a5cfe740b15584e335da59
Manifestf988d035ba9e7c3f848980c3342f4e21ce5f7199477481340b1f14d5543d4da9

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
SignatureRKJOhoGY3xuEvpp9HgqRJN+qijdTVxkLzpu6XIX8e7mzTCIWqXqhSLsCETDwFt14hok03LyhpYF/0CcGaoNiCw==
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

2026-09-17T09:51:55.989407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086265
observed 2d75ac8e506836610df1c3411e7ce298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:55.970774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086265/manifest.json
observed f988d035ba9e7c3f848980c3342f4e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:55.953184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086265/publication.md
observed 4d892d27da77f191797907020fc6ced4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:55.934156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086265/publication.txt
observed ea77fa0bca752b1b2e72d889d424e14e...
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.