OpenTechnical

OT-2026-000030866

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000030866) never changes.

Identity and time

Publication numberOT-2026-000030866 · never reused
Internal UUID01a0ae74-3fb5-759c-b810-a92d98751e05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030866
StatusPUBLIC

Content hashes

Canonical text02e280f7000721e18ba885be340d61dee7d3695152be3f07534f3b7522dfc4f3
Markdownb9d4628e39c457f4c673f48d7e33f47b5db8efd3bccec37fab043c916e4cbd4e
PDF
Publication page5818a2578d031079cd15ae352812be852efe5a5d9df2f54d8c37064176fc494f
Manifest47567cf2e55f2fab5cf72aca79d3a3cb5a8c75028e400478c46dc9bf57463e02

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
Signature9MHTAWxdYkb+6YHCrAj/s3V3G1I3W/zg0paoPVTSCN/RkkDgJakNm++jHIepdTurImGihhENfQbc9UvT5c6lCA==
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

2026-09-17T11:36:50.636049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030866
observed 5818a2578d031079cd15ae352812be85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:50.619230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030866/manifest.json
observed 47567cf2e55f2fab5cf72aca79d3a3cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:50.601019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030866/publication.md
observed b9d4628e39c457f4c673f48d7e33f47b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:50.582746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030866/publication.txt
observed 02e280f7000721e18ba885be340d61de...
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.