OpenTechnical

OT-2026-000039321

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000039321) never changes.

Identity and time

Publication numberOT-2026-000039321 · never reused
Internal UUID01a0ae78-9674-70cf-b976-8119c43c7f16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039321
StatusPUBLIC

Content hashes

Canonical text55dc7771764a579b1c7b3f4689835a51520630d922d525fa77609bcabe920f60
Markdown39ead92f8b6d48bbef67d2b58e8d39cb92fac96f6efaed05644b0d1526771ddd
PDF
Publication page4350f017ed9a89441f7355c638fa58d1fd2287ddf5235d3fcdab31b81a6afceb
Manifestd88ea30354586aef1a883d7ee5ebc0d38d15aab3cf2fe21ad25e667f93db94a5

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
SignatureqeYFp4wdP9iVTGsiMefbBe8F9jq1UV1U51HqvrRck16bARJ+exmnmPaurQaWa4KBZ301N1KQyJTfscNZVy5BAQ==
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

2026-09-17T11:20:55.080626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039321
observed 4350f017ed9a89441f7355c638fa58d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:55.063637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039321/manifest.json
observed d88ea30354586aef1a883d7ee5ebc0d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:55.046173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039321/publication.md
observed 39ead92f8b6d48bbef67d2b58e8d39cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:55.029283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039321/publication.txt
observed 55dc7771764a579b1c7b3f4689835a51...
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.