OpenTechnical

OT-2026-000083457

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000083457) never changes.

Identity and time

Publication numberOT-2026-000083457 · never reused
Internal UUID01a0ae97-c965-79c4-afa2-3b8763f6ce69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083457
StatusPUBLIC

Content hashes

Canonical textc87944d63fe67b3350b2c806decb15d936af9c96d2ce5501cd9272eb6e7a2126
Markdown08c0c0ad58c184d03982c692c61f2c27224dd7d35bc6b3582e32f5b66b761e92
PDF
Publication page98f34719b21ae18ab1a271da307c7866254d1f0c6848018d502a7bebaa0b3dae
Manifest642ef05c86839ef40682d27a82f4e202d4f62471309eb8ba4da26f4ed456da07

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
SignatureKYJ/QETp3HiURqnwGDQgWo8BwLIYgAD6uBhaiU0fmv9J6DK9zwc2kV8C9g+ANo8aoavoquBJNI+CKRy+V/W7BQ==
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

2026-09-17T09:57:52.622494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083457
observed 98f34719b21ae18ab1a271da307c7866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:52.604050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083457/manifest.json
observed 642ef05c86839ef40682d27a82f4e202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:52.586189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083457/publication.md
observed 08c0c0ad58c184d03982c692c61f2c27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:52.568887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083457/publication.txt
observed c87944d63fe67b3350b2c806decb15d9...
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.