OpenTechnical

OT-2026-000067558

Publication integrity record

Foam pad vacuum gripper, common isolation valve, 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-2026-000067558) never changes.

Identity and time

Publication numberOT-2026-000067558 · never reused
Internal UUID01a0ae8f-6bda-7ded-9229-a9ff0e051f32 · 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-2026-000067558
StatusPUBLIC

Content hashes

Canonical textd565eba8bc4352d8f1b1ea4045034b01e32788c538d5b8ca55beff1ed5d0972d
Markdown91f7b2bed88fed69ea04d1eccb32f13d0a98474c4eb89ad3de69862b9e169a62
PDF
Publication page4ec1c667c724f72b6f9f8aa06733b7776bab4e47a726248fcdbe53befe4d3166
Manifest9b5b19060a00d0edb9191890376de8e5a2df5ec1631ac56f87ed556307865657

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
SignatureShNXm5CXPEQKfKKdrCFXkXF9c3CPPHEdgLCpfGksEkALY9IomZ/Yu7UwGQnPI3OIbNOFqtSQTaBxnkZ/WOHhBQ==
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

2026-09-17T10:31:51.985540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067558
observed 4ec1c667c724f72b6f9f8aa06733b777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:51.969226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067558/manifest.json
observed 9b5b19060a00d0edb9191890376de8e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:51.953020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067558/publication.md
observed 91f7b2bed88fed69ea04d1eccb32f13d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:51.937451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067558/publication.txt
observed d565eba8bc4352d8f1b1ea4045034b01...
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.