OpenTechnical

OT-2026-000022245

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000022245) never changes.

Identity and time

Publication numberOT-2026-000022245 · never reused
Internal UUID01a0ae6f-f4fc-786f-9d3d-3ad94932c91a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022245
StatusPUBLIC

Content hashes

Canonical textbd4f18922f02dc1ac8bffa88ae8674223490ee44b2407fb75ca6df1f173b9d46
Markdownb98fa9f7162185de4b4962c3063a3ceaad2c0d96e7bdf9cece5b8f54e29c5825
PDF
Publication pageb5a00665e32a356aea5d95bc3818153ad8ee0f701ce6af24dbf639ee9458f619
Manifeste144b85e4e8d147762fd19d8aca6860afcb899273dde7d87ae0c3152894dc67c

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
SignaturePRsr6R3wI2/iqGddhyzKi0d3UHx67ppdDhyst21JLhnLI8L7PtPYNtegLuDamWtUxyfovALqqTQLiNHwnlG5BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:02.408642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022245
observed b5a00665e32a356aea5d95bc3818153a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:02.382465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022245/manifest.json
observed e144b85e4e8d147762fd19d8aca6860a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:02.355374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022245/publication.md
observed b98fa9f7162185de4b4962c3063a3cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:02.334080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022245/publication.txt
observed bd4f18922f02dc1ac8bffa88ae867422...
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.