OpenTechnical

OT-2026-000020258

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000020258) never changes.

Identity and time

Publication numberOT-2026-000020258 · never reused
Internal UUID01a0ae6f-437a-7596-b6a3-72f996af3eac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020258
StatusPUBLIC

Content hashes

Canonical textba1f26070f42d46e347accc1ca0940d5b78f8c0af14af2464d8a74d9b805b040
Markdown0e05e633f57ecf20bb832548ed7b9a63bb7c4bddd71c1c9cb24978e6e8a9097a
PDF
Publication page1c459d77d9fbfbaecde70bdf5cfc432c146e1550f68e4c2241e3c3ffa510de7e
Manifest9c580b42838165dd9bbaf7cbc0e70ef59f448d9d3b83cec069b318d910233592

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
SignatureB4g6l779yW4odcrBgUfCkA1cygl5y2aMm7+0N6MzHgteXfVS00sLO717D0HrbOB4o42kFoXmg3cnPhZabDi2AQ==
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

2026-09-17T11:56:36.235797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020258
observed 1c459d77d9fbfbaecde70bdf5cfc432c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:36.215676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020258/manifest.json
observed 9c580b42838165dd9bbaf7cbc0e70ef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:36.197349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020258/publication.md
observed 0e05e633f57ecf20bb832548ed7b9a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:36.179317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020258/publication.txt
observed ba1f26070f42d46e347accc1ca0940d5...
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.