OpenTechnical

OT-2026-000017659

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000017659) never changes.

Identity and time

Publication numberOT-2026-000017659 · never reused
Internal UUID01a0ae6e-96f9-7fb5-aa24-9f72e321cbee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017659
StatusPUBLIC

Content hashes

Canonical textacfd4b717e8c85ed9ab8ee8b29662169da0ea90b0bc61f644e1b9ae111b1af16
Markdownc8ecebcba1cbe02a5c92a860b283447cc74517cd4c953887e1c4d3c086923222
PDF
Publication page560b3e51f3b16a38901d2cef781e099ca6299c01f410245976feb0a6368d5962
Manifest760a149d063f61c33f56ebc020db0f8b2accffe74354faee7410025a3282c0dd

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
SignaturepbRSgA+PDLIOvNhihdaALm1qN4yU2tsX/wbP2xMiNhKD8KeozO2e8F6h+kvs74EsV40Ny0soO6x5kEDlSIVxBQ==
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

2026-09-17T12:01:28.703499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017659
observed 560b3e51f3b16a38901d2cef781e099c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:28.685693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017659/manifest.json
observed 760a149d063f61c33f56ebc020db0f8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:28.667019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017659/publication.md
observed c8ecebcba1cbe02a5c92a860b283447c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:28.649732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017659/publication.txt
observed acfd4b717e8c85ed9ab8ee8b29662169...
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.