OpenTechnical

OT-2026-000030018

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000030018) never changes.

Identity and time

Publication numberOT-2026-000030018 · never reused
Internal UUID01a0ae73-ac49-7ee5-bc61-6560e009a4cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030018
StatusPUBLIC

Content hashes

Canonical text8210e6405821afa59fb518f5cf4bc19dee3cd6ddc64033cdf36c458f7df516ef
Markdown032dafabb9ffd034a85bb5b3e7d3ef1c8693ff42a9d0ae10ed6285e9cf57a426
PDF
Publication pagebe95cd93bbc686381e5ca3f274118754330017dbb985feeb1dfe046908def89d
Manifest1133493885168b3538bb7578f95242d0eb56b8104c2fc700e917d247cc55cf43

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
SignatureYE19OKiwRErGjMfjpmo9rfrDOm4gyH9LcceiF8JBAsLRAiBQyaTXqwascgDr/CdN9vVKXXZ0JijSck4ocPGWBA==
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

2026-09-17T11:38:45.166076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030018
observed be95cd93bbc686381e5ca3f274118754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:45.149567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030018/manifest.json
observed 1133493885168b3538bb7578f95242d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:45.132729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030018/publication.md
observed 032dafabb9ffd034a85bb5b3e7d3ef1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:45.115928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030018/publication.txt
observed 8210e6405821afa59fb518f5cf4bc19d...
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.