OpenTechnical

OT-2026-000050001

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000050001) never changes.

Identity and time

Publication numberOT-2026-000050001 · never reused
Internal UUID01a0ae81-fd78-7582-b9b2-968c6b01842a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050001
StatusPUBLIC

Content hashes

Canonical text3906382850474a3824405eda8821b03d0f53a06121497bdedcf8d71a01164f86
Markdown43b6d26f7258270f8bdf02288751e7a21cf261ab8c25c711ef695f33f12c8af0
PDF
Publication page8fa0a2a282eb66005c878396ef44b495eb9519e373f21755dcfe2dcc7321feef
Manifest1883f55c1f105e1833e9574d86f2252db94a0825c19af6f098533e5fdcfa31ae

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
Signature2gk7bv23MnU8+8fyct0kXLdb/zl13x7djaZQunbD10bcO/4hP7GQTUFgU+Z0Yz8xMd8f6Wnli22xPEK1WMb5Aw==
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

2026-09-17T11:01:57.618303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050001
observed 8fa0a2a282eb66005c878396ef44b495...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.596015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050001/manifest.json
observed 1883f55c1f105e1833e9574d86f2252d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.573874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050001/publication.md
observed 43b6d26f7258270f8bdf02288751e7a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.554349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050001/publication.txt
observed 3906382850474a3824405eda8821b03d...
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.