OpenTechnical

OT-2026-000084512

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000084512) never changes.

Identity and time

Publication numberOT-2026-000084512 · never reused
Internal UUID01a0ae98-e25a-7ff2-a776-ef75870d1aa7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084512
StatusPUBLIC

Content hashes

Canonical text656331bb94cc0588aab048cdd61fd8447aef1f67f0ad74276bcea24e0c79683f
Markdown41aa64f0e8f808d986a0f00db1630ed07e11efd347b1d9974d7bc054742b867d
PDF
Publication paged104338286db076dfa215926cd8bdac99e8e20afce69b7aca101fe972db9d717
Manifeste691219b53ab6557ebae0944d0c191c919db6c98f2a49a112ff1a73de08a6a46

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
Signaturek5ErNY+VMRI2QjnY0ydBpJvLhwz+1BD4wFRW+ABHnZifijYQV28YQuiDQ5T66E0nzPK1lhGjShRoUoK0FdmBCw==
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

2026-09-17T09:55:23.387618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084512
observed d104338286db076dfa215926cd8bdac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:23.368703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084512/manifest.json
observed e691219b53ab6557ebae0944d0c191c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:23.351446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084512/publication.md
observed 41aa64f0e8f808d986a0f00db1630ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:23.331025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084512/publication.txt
observed 656331bb94cc0588aab048cdd61fd844...
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.