OpenTechnical

OT-2026-000040193

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000040193) never changes.

Identity and time

Publication numberOT-2026-000040193 · never reused
Internal UUID01a0ae79-26ff-728e-b68b-ef363a642edc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040193
StatusPUBLIC

Content hashes

Canonical text5955f87e0726b24e0a0947d0d4ec211627fa053e68fa6178b60a41c95d63dd5b
Markdownbfd8e2b099d2a05ac871dd5beeaeac4e25387d236f3074bf1fc42186174bb152
PDF
Publication page42efbe4bf3e2cb442a174bd29b1d8dc7c6336c278d4ef8c7b6586b8013e754ef
Manifest39bad413a768f6215a5eeaae048dbef95f10c33fb8500534445b78dffbfe0e05

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
Signature4E2DORDSb6bu2Q3Xfs5pZKsGJMOsIXEg6XzWGLs/p0XU0AX6v4YElxN7ck/uTWdet5A3ucl7+13IUo9KRZX+CA==
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

2026-09-17T11:19:04.536812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040193
observed 42efbe4bf3e2cb442a174bd29b1d8dc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:04.522727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040193/manifest.json
observed 39bad413a768f6215a5eeaae048dbef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:04.507034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040193/publication.md
observed bfd8e2b099d2a05ac871dd5beeaeac4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:04.491225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040193/publication.txt
observed 5955f87e0726b24e0a0947d0d4ec2116...
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.