OpenTechnical

OT-2026-000042770

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000042770) never changes.

Identity and time

Publication numberOT-2026-000042770 · never reused
Internal UUID01a0ae7a-c0d0-7073-8a05-245a1624f1da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042770
StatusPUBLIC

Content hashes

Canonical textdeacfb11aa77d97c5b907585afff34e9c980d102290dca7575cc6ab3354151a7
Markdownaf3c68a11db9801481b166edf2788081846dd1829f01253f32b011f3f7ede9cd
PDF
Publication paged32792d609c0d1459609e1fe36d8f60117242530da72d426a6c25f2ae4717513
Manifest13f140311f8c47b73a699d231406e516c9aebd4cfafd8161f555f7b297559ba6

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
SignatureNAo6aVxECihO4Aa12sfGDCc9FzGclowEP2ACOVDtDdVK+5DNG3KihAZYXMu7qiGvzxsYx22QYZvXZXDe8qSGBg==
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

2026-09-17T11:15:13.725682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042770
observed d32792d609c0d1459609e1fe36d8f601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:13.706861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042770/manifest.json
observed 13f140311f8c47b73a699d231406e516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:13.686693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042770/publication.md
observed af3c68a11db9801481b166edf2788081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:13.667423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042770/publication.txt
observed deacfb11aa77d97c5b907585afff34e9...
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.