OpenTechnical

OT-2026-000013049

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two 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-2026-000013049) never changes.

Identity and time

Publication numberOT-2026-000013049 · never reused
Internal UUID01a0ae6d-5564-71ed-81f2-388a71e560f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013049
StatusPUBLIC

Content hashes

Canonical textf5893dc407d7598d69de3270e63487c7cfaed5d3fde7957bd1cbc77594b06767
Markdowna0aa2f396136f433804e7d3c9a9f4cf31ac7b20f0c963ace78735333cbb7ca08
PDF
Publication pageae147b39b91e1bb2b687ec383dd2979f044fa5aabd628ec5b5442242b6388c38
Manifestbaf74b627984dbce95e6d9b77d4aaf03e19469c811cdf57add59cbad41602858

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
SignaturevNW7e3IHWd7NuNV1rIikxbJUORstEa5R3HdpTMNkwMEhcp9vdXxcQo8yNgkAFlqF6r2DJfIMhGLp5EXgghmiAQ==
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

2026-09-17T12:10:52.999539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013049
observed ae147b39b91e1bb2b687ec383dd2979f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.980669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013049/manifest.json
observed baf74b627984dbce95e6d9b77d4aaf03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.961932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013049/publication.md
observed a0aa2f396136f433804e7d3c9a9f4cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.943235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013049/publication.txt
observed f5893dc407d7598d69de3270e63487c7...
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.