OpenTechnical

OT-2026-000030674

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000030674) never changes.

Identity and time

Publication numberOT-2026-000030674 · never reused
Internal UUID01a0ae74-3fb3-7a67-b06e-73533f4e107d · 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-2026-000030674
StatusPUBLIC

Content hashes

Canonical text226a429ac3e4e072c2a8b9a51279bb28412bbf7581a3af711fc9007df18a68d7
Markdown5e30351f5b52f0907ddd98a93b39451461df04bb7dd1b948aed428ee66ab6ad0
PDF
Publication pagead27c1daad16944dcaf5283f81c3e7f45544a5233d38d0777ef64c64f98dfc07
Manifest813196e169f0e33fafbd99e361fd77516979cf89528576fafc5bb1fe03e856ab

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
SignatureaTPCPQ8MUzViQwI/D05oaFlWhNHaLpitrYi57GQrKWwSh8hQiOtjLlPjEkFZxQ7/pgQrNSPHzDynwK+QHMncAQ==
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

2026-09-17T11:36:33.982896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030674
observed ad27c1daad16944dcaf5283f81c3e7f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.966627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030674/manifest.json
observed 813196e169f0e33fafbd99e361fd7751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.946312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030674/publication.md
observed 5e30351f5b52f0907ddd98a93b394514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.928370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030674/publication.txt
observed 226a429ac3e4e072c2a8b9a51279bb28...
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.