OpenTechnical

OT-2026-000048480

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000048480) never changes.

Identity and time

Publication numberOT-2026-000048480 · never reused
Internal UUID01a0ae80-4de5-7e4f-8653-386d602d7640 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048480
StatusPUBLIC

Content hashes

Canonical text279af977462bbf10b2f16b3656c12561e2ba8deba68e9b36986bdcd9133817be
Markdown3b4549878acdb1d110359d327e9951ca5031a30c7ff9d3ab56226157a33bd5bf
PDF
Publication pagee03b3e00bee9db611292067402b280f7f1db7b8822ec97dbca8d8320eea311aa
Manifest4da20d9fe32378594078e7b55c4ed8ad3d1a9a784f95061443807827be7e3323

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
SignatureznpBsT4o299b5lZEA6kVz5ZRielWuROPPsSRdk+TemNSsss34F4oAMX+xyJdbLsPvLBWF6yn16mKQAOAo6HIBQ==
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

2026-09-17T11:05:08.798308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048480
observed e03b3e00bee9db611292067402b280f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.779464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048480/manifest.json
observed 4da20d9fe32378594078e7b55c4ed8ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.760638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048480/publication.md
observed 3b4549878acdb1d110359d327e9951ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.743013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048480/publication.txt
observed 279af977462bbf10b2f16b3656c12561...
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.