OpenTechnical

OT-2026-000018199

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump 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-2026-000018199) never changes.

Identity and time

Publication numberOT-2026-000018199 · never reused
Internal UUID01a0ae6e-b488-7475-8d78-1667e93ffe51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018199
StatusPUBLIC

Content hashes

Canonical text8424b496c6c16c11763bdfc760e887d845574ef8379a9d261b69ffc05c66aa6c
Markdown8f923fc5617e48431faeffdeba83ec07cc3588cd90dc431281076154f50f78f5
PDF
Publication pagef91c319af5bbe3f81a0e9d9e789f40c34f3f8bce2d15dfbe419f79a48f3609ea
Manifest034a590720e873c823fe2df2fade465c4ffb85cd1ff11743acdfc7fed77d82c5

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
SignatureE6koHq2eGqEaw/6HsrsEondGehTm8CkUeXzvFfiCqo+ScxksIyu9NHGJzm3+bZe8ZK/xju4+LgrkFkKACUkTDg==
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

2026-09-17T11:59:59.109287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018199
observed f91c319af5bbe3f81a0e9d9e789f40c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:59.092118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018199/manifest.json
observed 034a590720e873c823fe2df2fade465c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:59.075803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018199/publication.md
observed 8f923fc5617e48431faeffdeba83ec07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:59.058591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018199/publication.txt
observed 8424b496c6c16c11763bdfc760e887d8...
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.