OpenTechnical

OT-2026-000018044

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000018044) never changes.

Identity and time

Publication numberOT-2026-000018044 · never reused
Internal UUID01a0ae6e-96fc-755c-a73b-5d2de92b7aec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018044
StatusPUBLIC

Content hashes

Canonical text2d148eba749da23de04a49e78db4b4e7d80010e198ff660529d5ba239d06db44
Markdown765e1cf5298090cb310c0664f7fa638dc1184755d0ea6bb6417f339dba8ca84d
PDF
Publication pagec9b59ef23b95358ba1736a1235988aed2ae5ee60154964dcc2ada1bccc2ea883
Manifestd4fa80d51b259c321530c4e468bc42d8b852287363b6319f8d0e573fd3294de9

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
Signature7OYWF63ZoP4BVLJaI3jqEhawSr/jkPhjwAG1LHsddRj0IZFK/NPr+9Ml+ClbBmMWLnqGpoI57c5oi8wxgU9YAQ==
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

2026-09-17T12:02:04.716767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018044
observed c9b59ef23b95358ba1736a1235988aed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:04.701205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018044/manifest.json
observed d4fa80d51b259c321530c4e468bc42d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:04.684835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018044/publication.md
observed 765e1cf5298090cb310c0664f7fa638d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:04.667638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018044/publication.txt
observed 2d148eba749da23de04a49e78db4b4e7...
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.