OpenTechnical

OT-2026-000050130

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000050130) never changes.

Identity and time

Publication numberOT-2026-000050130 · never reused
Internal UUID01a0ae81-fd79-7b4a-94d5-18e4dc8b0dfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050130
StatusPUBLIC

Content hashes

Canonical text95c949414eb521ff61b3452b309d54167c06e0f61f8cce5f0f04f4e0b24f0be1
Markdown519348c72eaf59cbfa4e777f496d77e759801a6b08a7f402349a18292acee9c1
PDF
Publication page376589e19824bf01c92c131855b00f2090e49628f6ea2f8a8aa625db3f35e4bf
Manifest6d108c0bb056e72582c178b2e9ae24c52fb3921b2713ea729164c29bbd8511ba

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
SignatureA9bkkOEDj4aYxW/BL3su3NiK9NJOOMX+zavLJDIlGG3Q9PNffMa80SOkbCDsoLUBcFSs0XCo/kmK9p+yjarkBw==
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

2026-09-17T11:02:08.320120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050130
observed 376589e19824bf01c92c131855b00f20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:08.300150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050130/manifest.json
observed 6d108c0bb056e72582c178b2e9ae24c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:08.281309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050130/publication.md
observed 519348c72eaf59cbfa4e777f496d77e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:08.263056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050130/publication.txt
observed 95c949414eb521ff61b3452b309d5416...
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.