OpenTechnical

OT-2026-000022196

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000022196) never changes.

Identity and time

Publication numberOT-2026-000022196 · never reused
Internal UUID01a0ae6f-f4fc-7fe5-986d-29c9a5ca1f99 · 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-2026-000022196
StatusPUBLIC

Content hashes

Canonical text64bafadc902d82a4528ddc2bfd21749e22b4b0a955f65bc51e4b0089c930ee24
Markdownb3acc62518ae3c6aff29aa645d2c6d677ab675799271b26f0ded0798cdeb9f10
PDF
Publication page756d905e1ae101c2feb86a90c4db0cc27a5a9a2d31bbb05ffc711b3fb647b1a5
Manifest81c28a8d9781744d076188b1093f9cfb16bc9361ac54a20c3cc64832c8fbeb55

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
SignatureVY5RiM/gx2RVvkOpv1s5IOmXUriyiO2j8J3wzzKA4O1RJmjINpQaaesUrE38rLGLUS6xuFfhMspqkyAJ0ZxNAw==
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

2026-09-17T11:52:52.867173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022196
observed 756d905e1ae101c2feb86a90c4db0cc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:52.847718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022196/manifest.json
observed 81c28a8d9781744d076188b1093f9cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:52.831157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022196/publication.md
observed b3acc62518ae3c6aff29aa645d2c6d67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:52.812388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022196/publication.txt
observed 64bafadc902d82a4528ddc2bfd21749e...
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.