OpenTechnical

OT-2026-000104427

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000104427) never changes.

Identity and time

Publication numberOT-2026-000104427 · never reused
Internal UUID01a0aea5-3421-761a-8968-16f78aac92af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104427
StatusPUBLIC

Content hashes

Canonical textc5e79e45a0e32cb93dfa4e5c8bea94a07dae14a4b36b19e8348775fe4b59bf20
Markdownae2655881f1c592da307632d1991a15b2cc4cf2a09f9515b915ec95bc816c995
PDF
Publication page5e2e4e414e7ca2bb2fbca0c0a2b3a8e0fcbcc4120d22c62cb47e1f478d11f3cf
Manifestfc42d089559f82e3e09174ec9c0e7d6cf5c3db20adf56d7d1405474225cd7f25

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
SignatureCTOFVuR3bv5E9uOaw1UHDjbmwumXoU9i6zhBhzD0TkKg9s3/GNNL+/XbM7YfeZTSB9QGP9W7QqIzpKybweuUCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:42.114055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104427
observed 5e2e4e414e7ca2bb2fbca0c0a2b3a8e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.098622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104427/manifest.json
observed fc42d089559f82e3e09174ec9c0e7d6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.081339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104427/publication.md
observed ae2655881f1c592da307632d1991a15b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.062012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104427/publication.txt
observed c5e79e45a0e32cb93dfa4e5c8bea94a0...
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.