OpenTechnical

OT-2026-000041185

Publication integrity record

Two cup 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-2026-000041185) never changes.

Identity and time

Publication numberOT-2026-000041185 · never reused
Internal UUID01a0ae79-b143-77e0-bc19-957b809719d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041185
StatusPUBLIC

Content hashes

Canonical text063fcbbf6b8519e2537ab9f3122abfc926be1e5b2cdf84eae2737f9a7fd482e7
Markdown8d21a087e73dd220d6ed3e87f467f5c63a369734d6a33939296d77074238886a
PDF
Publication pagec71e44691d186dfc450bbe3e47ed60cdbb7a309e29b32f3b852100abd9db16d5
Manifest9e99b100aa5181dbb862ae13dd18f5fdde2bb3b7d9de9ee0bedb5c3631858362

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
Signaturecpp52Jt39U7ibeIhsqLzxCdGIPi5jjJPzgRx/xGedixuTfstUkstIardtLIs7+rNFt3BVN0TDuoPy6voW9gAAA==
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

2026-09-17T11:17:08.148576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041185
observed c71e44691d186dfc450bbe3e47ed60cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.132150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041185/manifest.json
observed 9e99b100aa5181dbb862ae13dd18f5fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.115377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041185/publication.md
observed 8d21a087e73dd220d6ed3e87f467f5c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.097244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041185/publication.txt
observed 063fcbbf6b8519e2537ab9f3122abfc9...
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.