OpenTechnical

OT-2026-000005405

Publication integrity record

Vacuum cup gripper, six 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-2026-000005405) never changes.

Identity and time

Publication numberOT-2026-000005405 · never reused
Internal UUID01a0a937-fb1b-72a9-b2a9-3e0900c92f01 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:56:53.405751Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005405
StatusPUBLIC

Content hashes

Canonical texta38a12422b0c4a0cc6c7d9efe61d5aac65e958aeb939716a3a7a99766f0f9cd1
Markdown69c8d5d5f6f1d158cd7db66b2f2f881e525b48c9392794cd3dbcf60d87faf370
PDF
Publication page1cd250c3e3284be42a69dc6a3fedb2e5df8dc791d0cb39630bdb052df57f2f16
Manifestf66b0d63d0589a252141c27fec5a5b7fd549cbace702fd4e38ed9bcdc4589019

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
SignatureCDmNtXCVUymMYo3UeK3eXW8dmbnuTMDz/IkQ04n0bOrWDaF5Mw9YrXQ+ivR2zLWUBtLN++hpiV0CjdCJHG+0Bw==
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

2026-09-16T08:00:13.393628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005405
observed 1cd250c3e3284be42a69dc6a3fedb2e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:13.379519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005405/manifest.json
observed f66b0d63d0589a252141c27fec5a5b7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:13.241294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005405/publication.md
observed 69c8d5d5f6f1d158cd7db66b2f2f881e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:13.227669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005405/publication.txt
observed a38a12422b0c4a0cc6c7d9efe61d5aac...
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.