OpenTechnical

OT-2026-000036144

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000036144) never changes.

Identity and time

Publication numberOT-2026-000036144 · never reused
Internal UUID01a0ae77-01ce-7ab9-ad58-359ee506a8c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036144
StatusPUBLIC

Content hashes

Canonical text8cf686a37ae381c1397959063aac9c9af56c264b1acde74db91346efd5d131ef
Markdownf43a64b5ce82f29cec6f5660504362f632c0b17bfb402f813c200fb86ae6f69b
PDF
Publication page44e5c7c190d9065a4f5a03a07960b21c20fe4e0cd84bdc19e32daa2a7afa1ef5
Manifest14cacfea6a77788aa714e87f0ecc969888f7f07659e50630473083e680089dd0

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
SignatureIM5dt9nFXCss2edMgevYYagrUCdwUx7+fH3BTBaipEfrIipF9BJ4VE1PY88HQ8KO2u+a15xsLbNpZKRNjyzeCw==
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

2026-09-17T11:26:20.814566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036144
observed 44e5c7c190d9065a4f5a03a07960b21c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:20.795451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036144/manifest.json
observed 14cacfea6a77788aa714e87f0ecc9698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:20.775975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036144/publication.md
observed f43a64b5ce82f29cec6f5660504362f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:20.753452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036144/publication.txt
observed 8cf686a37ae381c1397959063aac9c9a...
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.