OpenTechnical

OT-2026-000023904

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line 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-2026-000023904) never changes.

Identity and time

Publication numberOT-2026-000023904 · never reused
Internal UUID01a0ae70-aed6-7fd1-bae3-b79d83eabba0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023904
StatusPUBLIC

Content hashes

Canonical text8e91a85f0b2e4dfe3feac89ff65b44dafe947c435129fb0eb7686ff876297c9a
Markdown04a09ecfa44e14677b6c08f3d04103f4a61ad61a702c8b9875dd69a88e8211e2
PDF
Publication pageb56dea30cb3e7a312ebf8567754fb8065a2807c7b5b69cafd77d8d1d9745e3f3
Manifestf56c2b961aef73ea6e24149183275a0cae8b0505ebd7b67025dba2a4f89c1ebf

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
SignatureSedwNlOscrqIyk5cGolpKpmKd97ob1UeI2ftqhCFyYYCqSgACe41a+Y6PNphEIodNzLDSaJYRLNzJbA/xtI/Bg==
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

2026-09-17T11:50:31.284060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023904
observed b56dea30cb3e7a312ebf8567754fb806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:31.263666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023904/manifest.json
observed f56c2b961aef73ea6e24149183275a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:31.246134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023904/publication.md
observed 04a09ecfa44e14677b6c08f3d04103f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:31.223146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023904/publication.txt
observed 8e91a85f0b2e4dfe3feac89ff65b44da...
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.