OpenTechnical

OT-2026-000090965

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000090965) never changes.

Identity and time

Publication numberOT-2026-000090965 · never reused
Internal UUID01a0ae9c-c011-7ed9-9bad-56a4da2113b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090965
StatusPUBLIC

Content hashes

Canonical textd007c6443f9acc8e60e910465ce8753c277302ea5b2073589dbb5151c6b60d38
Markdowncab70a61a901644ab0f6a5864c9fe6579c8cf6ae56cc2aecacaf18e5c241907a
PDF
Publication pagec8711a1734c452bd0c94647a7bc254c96a1e6a2334936e07cebbbe6aa0ceed9d
Manifest17eaab6a28f4761789bb1bdda07af60e071433207ae7976d11a2858c7ca97ef1

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
SignatureTXP4CM7T8S5CHDRfRxVmkNpl9yy5SAMQCA1pOjmamwiB1jhuL041YliDkgZ+GJIJZXujKO2GGsw/a6f6rBDuDQ==
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

2026-09-17T09:44:11.336119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090965
observed c8711a1734c452bd0c94647a7bc254c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:11.316871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090965/manifest.json
observed 17eaab6a28f4761789bb1bdda07af60e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:11.297369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090965/publication.md
observed cab70a61a901644ab0f6a5864c9fe657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:11.279717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090965/publication.txt
observed d007c6443f9acc8e60e910465ce8753c...
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.