OpenTechnical

OT-2026-000022171

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000022171) never changes.

Identity and time

Publication numberOT-2026-000022171 · never reused
Internal UUID01a0ae6f-f4fc-7c61-aaf2-316e671fa3de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022171
StatusPUBLIC

Content hashes

Canonical text899dc68a121d61916772462fc10e6eb8b028a77136eedfbd6f54eaa18261ae7c
Markdown6bfb7ac7c3b0022e34181f8049ab56e16a8f5f7ef8c9a56d13ba6dc8492eb02d
PDF
Publication paged0eb3e2a8d165bf3ab5109f2269a4cae6a2dbf44f468dc9522a9ef95f80bfeb6
Manifest2fd79a8e5bd1aa8c51cdf7709ce54be1a4b8d8ff0ca177d397b41ed44f39e059

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
SignaturelM7/aD3ErM937pIIJH+D9HEmHDrbn2vHnxf2kzuJlZCDyvoF/wyTJDyYETz4ycF/CytjL/EqxfXdlE0zZvwQCg==
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

2026-09-17T11:52:51.158784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022171
observed d0eb3e2a8d165bf3ab5109f2269a4cae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.140575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022171/manifest.json
observed 2fd79a8e5bd1aa8c51cdf7709ce54be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.123450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022171/publication.md
observed 6bfb7ac7c3b0022e34181f8049ab56e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.103792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022171/publication.txt
observed 899dc68a121d61916772462fc10e6eb8...
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.