OpenTechnical

OT-2026-000034222

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000034222) never changes.

Identity and time

Publication numberOT-2026-000034222 · never reused
Internal UUID01a0ae75-df0d-7090-9204-2f43f6809f0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034222
StatusPUBLIC

Content hashes

Canonical textf638fce15ccf5a7844ec638e3741a102439f08ca013c38d063fd39c4e90a4bbd
Markdown2fbbc1f86f8d5d531b722e4b3e2cecfa7ceb404daf2f3e69ae4344b6d073c035
PDF
Publication page0da1e1651a62cd83fe56a80d72efb076c4aff06e2e4fdacca970ac221133da8b
Manifest68c402f8f70f19def84b714fbab7fdf8d7a496b1cd109599e2daa473eafab9c3

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
Signature/xw06uUTqzZdRLSKQjgDVQnLFCl6vPrOSTUTGU+31QsoDBV8uUkTRD3BFGuKBHQ57ZnEQs8fc/5ivn3VViiuCA==
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

2026-09-17T11:30:46.324713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034222
observed 0da1e1651a62cd83fe56a80d72efb076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.306647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034222/manifest.json
observed 68c402f8f70f19def84b714fbab7fdf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.290378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034222/publication.md
observed 2fbbc1f86f8d5d531b722e4b3e2cecfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.272821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034222/publication.txt
observed f638fce15ccf5a7844ec638e3741a102...
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.