OpenTechnical

OT-2026-000085155

Publication integrity record

Four cup vacuum gripper, four zone face, four 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-2026-000085155) never changes.

Identity and time

Publication numberOT-2026-000085155 · never reused
Internal UUID01a0ae99-43b9-7a06-8262-ea7c0fa6c444 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085155
StatusPUBLIC

Content hashes

Canonical textca08ca4eb83d0eb8f2911c1210f33a297d459db498c1512023e2a2082eae5ade
Markdown6d7a2df03b7b179d81c15b2d9f0720d83dbab99257838004ee6a7973e6f693cd
PDF
Publication page694ce300ab2450f5c01ebbe481ba6ba1426b843163fc9c8f3e816dfa56c9f138
Manifest021d4d747faecc3903f10a1df289633851d1f420ad69fcec336485238daf6370

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
SignatureuHCgMRbxB875wTkiekIUKcizI6qxvKsV7MhD5pxQiFQ98blC73IlRWhFClZXrGAd1zYr05dTsDK/YcAKH6beAQ==
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

2026-09-17T09:55:14.106761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085155
observed 694ce300ab2450f5c01ebbe481ba6ba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:14.089762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085155/manifest.json
observed 021d4d747faecc3903f10a1df2896338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:14.074015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085155/publication.md
observed 6d7a2df03b7b179d81c15b2d9f0720d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:14.057543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085155/publication.txt
observed ca08ca4eb83d0eb8f2911c1210f33a29...
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.