OpenTechnical

OT-2026-000041346

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum 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-2026-000041346) never changes.

Identity and time

Publication numberOT-2026-000041346 · never reused
Internal UUID01a0ae79-b144-771b-9b6e-b60aed5d5f5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041346
StatusPUBLIC

Content hashes

Canonical text27ac81fe0bffe81757c1281fd04bad14f07c982929c3f2c1a1d7f1c95db60cca
Markdownbf580e3a5ce16911072c480b4181f95501ab381bba905fc1dd6459039517e583
PDF
Publication page6cf4f0256386dee2fa00ec041149f344e74d95890b8bb1068c05f49c83c52296
Manifesta1049d9e3d5749306c0f143ddab75f6d481e71a6f7213f62a7af0e6ebcbd0858

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
Signature6KnJukbAgqMms/xqtXlzO7F5gVrGhDja9wH6OiLOZ+M0rWefcFdg2Ika+7kkROO784MqDw6fC+jt0lFvoMmOBA==
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

2026-09-17T11:17:20.718064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041346
observed 6cf4f0256386dee2fa00ec041149f344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:20.702641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041346/manifest.json
observed a1049d9e3d5749306c0f143ddab75f6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:20.684063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041346/publication.md
observed bf580e3a5ce16911072c480b4181f955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:20.664188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041346/publication.txt
observed 27ac81fe0bffe81757c1281fd04bad14...
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.