OpenTechnical

OT-2026-000067281

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000067281) never changes.

Identity and time

Publication numberOT-2026-000067281 · never reused
Internal UUID01a0ae8f-6bd6-714a-b829-381a24f09845 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067281
StatusPUBLIC

Content hashes

Canonical text8ed7b25150d10b4b18dc4304df8215073c597ab089368297e2ac6a14da596927
Markdownf3a7892c4c3da151566c578c57f02f0d5b6f1b35e18cac9a37ba869dde613045
PDF
Publication pagead141f408e2f25c8157e3393289012d7af8cf522c87c06a7c4ee72fbbee33e37
Manifest7c914861fd0f3377249773445014992ff8e82b03894a85f728104a0021ef271f

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
Signatureow610JEBv+2dGaNk2lYlYZbh25UUGMWq3bJ5cU+7URZ8Q5UWJdHjvuwiDloghkvOVU808qOc4479qVk39M3dAQ==
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

2026-09-17T10:30:57.850948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067281
observed ad141f408e2f25c8157e3393289012d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.832469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067281/manifest.json
observed 7c914861fd0f3377249773445014992f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.815404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067281/publication.md
observed f3a7892c4c3da151566c578c57f02f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.797900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067281/publication.txt
observed 8ed7b25150d10b4b18dc4304df821507...
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.