OpenTechnical

OT-2026-000072642

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, vented before 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-2026-000072642) never changes.

Identity and time

Publication numberOT-2026-000072642 · never reused
Internal UUID01a0ae92-89d9-7ebf-bcaf-a2109cad77a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072642
StatusPUBLIC

Content hashes

Canonical textf762ef0af754701b9137ba94de785f22933e43afb66c7275ec68efe4433d642a
Markdowne299c08e9514e068a116890942a7de40070ed6512bd4cfc2b05ed0536de901bc
PDF
Publication paged04ec490fe6ffe3c4ba5b19dea3471a3fe03bcb62b26286a3784366a378755ef
Manifestce9866dd9de7851f695724076e17406bf84370e7469a5cfbc6a4fd40b0757b16

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
Signature2wtG0ZZIRunnLhCU0yVW1hPlUdhDNQ2T2peX3wfdNdByswSPyMcbRc1kH5xSSxaEW2lUoB8xtfY7oX163Jm5CQ==
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

2026-09-17T10:22:30.236646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072642
observed d04ec490fe6ffe3c4ba5b19dea3471a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.220749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072642/manifest.json
observed ce9866dd9de7851f695724076e17406b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.203022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072642/publication.md
observed e299c08e9514e068a116890942a7de40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.187292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072642/publication.txt
observed f762ef0af754701b9137ba94de785f22...
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.