OpenTechnical

OT-2026-000063231

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000063231) never changes.

Identity and time

Publication numberOT-2026-000063231 · never reused
Internal UUID01a0ae8c-94ab-7976-9308-024c54d7cff5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063231
StatusPUBLIC

Content hashes

Canonical textf52caed346ed8ebd08f5b92ddfc8ab1b4cec3a08a7b76474b552d7511279d36c
Markdown03e6f29898d7efcdeae9db0d2817468a325c7adf1a372118eb81e7677f63e741
PDF
Publication pagee68262d45c30530d2bfe612890e901baa0855a315897963f83b717c04f3b47df
Manifest3500c052a18fa14aadfbaef07ab01c16961257dae188276c1bf8e6a3f9acf82e

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
Signature2sgaTu7EZh5cpD2cfKdHE4+qDPEqWTrHPt5wPU6EzW4JYtmKXlfyuzI+t728UGHHKMf44Cp9Q9o9Ba/lnp66Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:06.680354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063231
observed e68262d45c30530d2bfe612890e901ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.664029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063231/manifest.json
observed 3500c052a18fa14aadfbaef07ab01c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.637540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063231/publication.md
observed 03e6f29898d7efcdeae9db0d2817468a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.611170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063231/publication.txt
observed f52caed346ed8ebd08f5b92ddfc8ab1b...
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.