OpenTechnical

OT-2026-000050122

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000050122) never changes.

Identity and time

Publication numberOT-2026-000050122 · never reused
Internal UUID01a0ae81-fd79-78fd-b98b-9c9df6efd309 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050122
StatusPUBLIC

Content hashes

Canonical textc27c7f02d2f711e95455cdbd18d3e6341fd5c442da1ae2d6fc0264159d9d591e
Markdown8f13644384be817cbd931de48628128959ab834345860c15f050b98f0686d8c8
PDF
Publication pageb7cd9477cdd6a775e1874a98eca71f46032176acd56f84e806c530e558b3d901
Manifesta7d4c467576e59a797c8491519c8a981e35b5000bb3223c087e0be149b495700

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
SignatureIL4+mLaACIPbpzWK917UsLZ47wRZyh9cpwL+kk5IgQHml5XwD95zNNJ9L5gbiPgSup6Qt4ZJ8Em8QajfmpMGCQ==
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

2026-09-17T11:02:07.670527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050122
observed b7cd9477cdd6a775e1874a98eca71f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.653701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050122/manifest.json
observed a7d4c467576e59a797c8491519c8a981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.635757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050122/publication.md
observed 8f13644384be817cbd931de486281289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.617276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050122/publication.txt
observed c27c7f02d2f711e95455cdbd18d3e634...
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.