OpenTechnical

OT-2026-000011826

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, pulsed 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-2026-000011826) never changes.

Identity and time

Publication numberOT-2026-000011826 · never reused
Internal UUID01a0ae6d-1941-7818-95dc-1dcfdf756007 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011826
StatusPUBLIC

Content hashes

Canonical text065409d3bb1a2cc3e2f9bcbe3627465c18dd6161346831e2bcf76574be745182
Markdown0ff3700ff19dcbc60aaace672dda2196444290fc53ca0c1486130b574cccb6cb
PDF
Publication pageae5617e08ebdbf64265db56d22b65d1dc83c563e9c24a5d7742a7b71356bbb01
Manifest890c0b00476b8cc88fc9ff13f1e0494a29f62118f46b8697062b42de65b799bd

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
Signatureacfb7TlyAh5nQFMTKqFoTv+ZXO3o8d890jSd5e93ZhnUh0qollJRYviXbuxrUFCfj94IXBB+U1PFewBIq9kbDw==
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

2026-09-17T12:12:33.571898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011826
observed ae5617e08ebdbf64265db56d22b65d1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.553193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011826/manifest.json
observed 890c0b00476b8cc88fc9ff13f1e0494a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.533973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011826/publication.md
observed 0ff3700ff19dcbc60aaace672dda2196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.515695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011826/publication.txt
observed 065409d3bb1a2cc3e2f9bcbe3627465c...
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.