OpenTechnical

OT-2026-000033564

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000033564) never changes.

Identity and time

Publication numberOT-2026-000033564 · never reused
Internal UUID01a0ae75-a38e-7b19-9a02-36c9abe2e8e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033564
StatusPUBLIC

Content hashes

Canonical texte34834daa41e67e91cb47b98a74c85da31c18867936fc9baea4d9cbbe84b14da
Markdown7470b34f708f257e28e4782b69f88cce3aa37a415a61b3e5c1be42f642ba3020
PDF
Publication page18d5b4beb0e0981142cd47acee4c0209de938facd3baa8cc247977a54edf05fc
Manifestac8870a0d4798a98cd5f20ab5b0b334d66f66b054b5a7ce5f1bfe5427d36d23a

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
SignatureySu4Eo9JzcCNfP5ve/IUyjoizRb84fBeMJNUeJn0bWOC8uwFW0MkPFbP+r3czlSsfpVEcbmRW9QfDKQjNtCgCA==
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

2026-09-17T11:31:25.979331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033564
observed 18d5b4beb0e0981142cd47acee4c0209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.961748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033564/manifest.json
observed ac8870a0d4798a98cd5f20ab5b0b334d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.944743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033564/publication.md
observed 7470b34f708f257e28e4782b69f88cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.926766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033564/publication.txt
observed e34834daa41e67e91cb47b98a74c85da...
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.