OpenTechnical

OT-2026-000086693

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000086693) never changes.

Identity and time

Publication numberOT-2026-000086693 · never reused
Internal UUID01a0ae9a-2c99-7c21-a93f-2582e7909052 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086693
StatusPUBLIC

Content hashes

Canonical text17c75f9f5a4a63744da010aab439e02be626694233d4b3a0928629ab89d8bbf0
Markdowne395c94c2d19ea50363981abbd887d86b0aaf483070883567ed9f2449abd5790
PDF
Publication page2535f015e3b646b3e819f1f9cc4eb6553a086c38bf5af0a84243542a4e6c6c81
Manifest0f1a596045f16a7d892ce63537ea205e79c747d553093b522fd973f4c55c40d5

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
SignatureyLn8R+ySJmUL9P7ZpKBrEo5nN/gnfxzR/R8KuL9DX6I9S5ZRBpwDSsE+ByjBWVFMRlDLJnaL5LQx61s0mMqcBw==
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

2026-09-17T09:52:33.774419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086693
observed 2535f015e3b646b3e819f1f9cc4eb655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.756695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086693/manifest.json
observed 0f1a596045f16a7d892ce63537ea205e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.737940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086693/publication.md
observed e395c94c2d19ea50363981abbd887d86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.719239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086693/publication.txt
observed 17c75f9f5a4a63744da010aab439e02b...
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.