OpenTechnical

OT-2026-000083238

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000083238) never changes.

Identity and time

Publication numberOT-2026-000083238 · never reused
Internal UUID01a0ae97-c963-7d2d-996c-1bf5c8130b73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083238
StatusPUBLIC

Content hashes

Canonical textc801232959e4a117cfca3e13f7e05ebfa4bd7f248d767521aeff655610affe47
Markdown1c06fd751defe0d61dc96864bc66a55383b015552c0f9efd03fbf45bd9d40eed
PDF
Publication page08b053faa080e42ac82af54328dbe63f1c9d3680406da574e8ee3de6db2e1fc1
Manifestd1981f16995b6875f40263929f5880f115b26cad87100d7e98e20476dedf860f

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
SignatureLUg43R1G84xSqZaJF/E9TdXxDQgejJveBpmaNHet77n4Xo6t8QRDcTih1ratFCWo4qxPDpeWskmPVDHVH/JQCQ==
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

2026-09-17T09:01:12.395824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083238
observed 08b053faa080e42ac82af54328dbe63f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:12.377755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083238/manifest.json
observed d1981f16995b6875f40263929f5880f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:12.359030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083238/publication.md
observed 1c06fd751defe0d61dc96864bc66a553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:12.340942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083238/publication.txt
observed c801232959e4a117cfca3e13f7e05ebf...
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.