OpenTechnical

OT-2026-000017388

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000017388) never changes.

Identity and time

Publication numberOT-2026-000017388 · never reused
Internal UUID01a0ae6e-76c9-73a3-9c75-e46f4438fe86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017388
StatusPUBLIC

Content hashes

Canonical texteea7fda1fe7a5b842611b4b52397f35160dec03caf391a445ea2245dd978c49e
Markdown2488e58973962aec24bd632b26f189f422f4d80b83379ee1a4c116211009991e
PDF
Publication pagec25be6872d477bc93119ce48126a19c1dda636dc6e3d91405b941ea46e6d0f56
Manifestb336fe15035b5316512d3ac8e7e9545b7fd4641fb41c26273af1d999af20f410

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
SignaturegJeTbTcUYDI9LQygCaLGQUTr79UBDoox0iXSnl2GwQ80L9/jz2EStYR/wOfkXVmInVBrNbJI25YCl7fkve/lDA==
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

2026-09-17T12:02:30.713749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017388
observed c25be6872d477bc93119ce48126a19c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:30.696100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017388/manifest.json
observed b336fe15035b5316512d3ac8e7e9545b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:30.678742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017388/publication.md
observed 2488e58973962aec24bd632b26f189f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:30.660296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017388/publication.txt
observed eea7fda1fe7a5b842611b4b52397f351...
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.