OpenTechnical

OT-2026-000031972

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000031972) never changes.

Identity and time

Publication numberOT-2026-000031972 · never reused
Internal UUID01a0ae74-bad2-71de-8489-af433920921d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031972
StatusPUBLIC

Content hashes

Canonical textfc6ccaa2496eff36f9aa5ede0952af64e95fd9ea71826434bd71f7f5e1381ce8
Markdown43a8f766430ebf97d5364a6a1599d75bb76ddeff316946fb9d5abe8dde8674f7
PDF
Publication page0957d0f4d3eee59a22e0aa307e30da603e51a517dce5ae2ae6edb40854585828
Manifest082cf723ef54a3d31c42eeebfce4c87b6a71568059d9982c916f85fb8d7ccbc1

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
Signaturez8ag+khv9+F5GByX3tIYuo/PCsSuj5s/2ovfi2JYzahG2sZguFaFQivdjf9MhtvmCO/DYMt123Dx8EZhX+q0CQ==
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

2026-09-17T11:35:15.989191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031972
observed 0957d0f4d3eee59a22e0aa307e30da60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.971954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031972/manifest.json
observed 082cf723ef54a3d31c42eeebfce4c87b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.953187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031972/publication.md
observed 43a8f766430ebf97d5364a6a1599d75b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.934538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031972/publication.txt
observed fc6ccaa2496eff36f9aa5ede0952af64...
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.