OpenTechnical

OT-2026-000005408

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, three stage ejector, contact triggered on the face

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-2026-000005408) never changes.

Identity and time

Publication numberOT-2026-000005408 · never reused
Internal UUID01a0a938-129f-7eef-b636-6d1e91e87923 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:56:59.425926Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005408
StatusPUBLIC

Content hashes

Canonical textae9822702315026440e333c7d6f61617701ac221877558d61320bae9f32efe75
Markdowna66ab56b3663852dd10a115f8ed100b0fbab35cd3dfa74dfc07f1694fc6ec3b7
PDF
Publication pagecfd4b2bab4760a6be0e51ae2b4ebc523c6b388aabdad52e6980751ffc733fa62
Manifest3205a112393e4880fc1e4d784d4255091c3462963040a06ae68ebdf82b6bee4b

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
Signature1uwnwGyFuTLVPd7YiWBUi7auJOqD+gj30jN8Fig/RIbaNPCghnPLP2ET6klvAxRyQeRp9TWcL+Roq3fDXG3hCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:12.973683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005408
observed cfd4b2bab4760a6be0e51ae2b4ebc523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:12.960906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005408/manifest.json
observed 3205a112393e4880fc1e4d784d425509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:12.945697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005408/publication.md
observed a66ab56b3663852dd10a115f8ed100b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:12.931392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005408/publication.txt
observed ae9822702315026440e333c7d6f61617...
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.