OpenTechnical

OT-2026-000103125

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000103125) never changes.

Identity and time

Publication numberOT-2026-000103125 · never reused
Internal UUID01a0aea4-be3e-7f3f-8aac-51eb66245bb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103125
StatusPUBLIC

Content hashes

Canonical text33ba765b21d6943f55ab645cd635f1f8c356a144f48401d28ddf987e7065226c
Markdownf2135f0837f64734a11c62847bc091cb323bbcb49ed967fc157c5707f0a1a55e
PDF
Publication page8a88bb4fb2c9a9705f5e989b2100d13895b8f8dcf7efbbd2b2236912f8ca46fc
Manifest280bfd6d59a02d70f3d7dd73b0d3e85e92a27112586afafbe2daf9d39ad30e00

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
SignaturePQlOiiSSGATfPvqFIOSecv7gI62uUp4oEFNuYF944KkdgP5AWrF6r0rIlxrBFb8UF7BAJHMd9CAHxUDBGJxiBQ==
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

2026-09-17T09:23:15.542059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103125
observed 8a88bb4fb2c9a9705f5e989b2100d138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:15.524509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103125/manifest.json
observed 280bfd6d59a02d70f3d7dd73b0d3e85e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:15.506194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103125/publication.md
observed f2135f0837f64734a11c62847bc091cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:15.475171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103125/publication.txt
observed 33ba765b21d6943f55ab645cd635f1f8...
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.