OpenTechnical

OT-2026-000103280

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed blow-off after set-down

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-2026-000103280) never changes.

Identity and time

Publication numberOT-2026-000103280 · never reused
Internal UUID01a0aea4-be3f-7bff-b49a-d4d2d37ea7f5 · 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-2026-000103280
StatusPUBLIC

Content hashes

Canonical text651d870774c357df29c0e6ae13ccb1f63da6930bd5c03f83f171fb148d3f14bf
Markdownd908de60ea8bf977fce4fbc046838ae18f7f5c32f8d3ad56d6d15bff6d74c3c9
PDF
Publication page53bae03c1cfb246a3a5347b348b3c3e002b0f7dc5ef51e3ed3337e584a865ad1
Manifest255773609cc58d522cbe18edaa689c29889f83290341e87188fe46073843fbf0

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
Signature0tZTlP0eHvCfK4Q0fknaTlO/iLrbEc9exZwW4UJSMJCvUxWmNS5Q/C5WU/xdH+LYk9nU+XOtXn/mnp5+H3XwCg==
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

2026-09-17T09:23:31.372091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103280
observed 53bae03c1cfb246a3a5347b348b3c3e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.349175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103280/manifest.json
observed 255773609cc58d522cbe18edaa689c29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.332131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103280/publication.md
observed d908de60ea8bf977fce4fbc046838ae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.308487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103280/publication.txt
observed 651d870774c357df29c0e6ae13ccb1f6...
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.