OpenTechnical

OT-2026-000042306

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, sustained blow-off after set-down, on a tool changer

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-2026-000042306) never changes.

Identity and time

Publication numberOT-2026-000042306 · never reused
Internal UUID01a0ae7a-5d73-7262-bcc8-a6a2deb7a35a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042306
StatusPUBLIC

Content hashes

Canonical textbbc60f5cd3151576e0c7791a0fd7aa7510ef4a048098d8da0b02b019342262c0
Markdown18bbaf6a2d9717aebbf4acc2737c12d4622d50abf0679e4be952355e9d0f69b8
PDF
Publication page84f877123355d395216b4880344146168eeeaae5e641293b6470e55e26f783b2
Manifest95ba59490a9276bb76b715ab2105a98894136674c1fa341fe24956d2dd90a10a

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
Signaturee1kgNk9gv/03Pgjcmt4Ju3+2wvCumYqJEI8xQbyMZvaykw1cDSf0JbNzR3J8NzFFK4lGYanfskssgfhPY1NxCQ==
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

2026-09-17T11:16:00.373150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042306
observed 84f877123355d395216b488034414616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.353162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042306/manifest.json
observed 95ba59490a9276bb76b715ab2105a988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.333993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042306/publication.md
observed 18bbaf6a2d9717aebbf4acc2737c12d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.313251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042306/publication.txt
observed bbc60f5cd3151576e0c7791a0fd7aa75...
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.