OpenTechnical

OT-2026-000082105

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000082105) never changes.

Identity and time

Publication numberOT-2026-000082105 · never reused
Internal UUID01a0ae97-4d93-787a-8fc6-ca8273571242 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082105
StatusPUBLIC

Content hashes

Canonical text35893151272a880836fd99f6d505a38c9bf4a23fd12b1b0d22ea428a9e17b43c
Markdownb1d2a6d857f70cececfe247cf0b7b62c1ce63410d23f422ed161fb418dae8801
PDF
Publication pagec907a71b5c585fde1b6804c7556b55cdf23ee21774fa3d2884dd7efc7deea94f
Manifest937d9732ece2328229a795af8f59b5bf89d0efcbbe413fd3d22c5922ca348dda

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
Signaturer2l3pF3qAHkkYF8JNXGINpGqiGNqwOlGLu2P3XzV8e3R/MddAPaC5AoexJBxHgCKKO4fN7/Y1heOU2bjWpvXDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:54.867044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082105
observed c907a71b5c585fde1b6804c7556b55cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:54.850416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082105/manifest.json
observed 937d9732ece2328229a795af8f59b5bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:54.832720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082105/publication.md
observed b1d2a6d857f70cececfe247cf0b7b62c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:54.815465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082105/publication.txt
observed 35893151272a880836fd99f6d505a38c...
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.