OpenTechnical

OT-2026-000030322

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000030322) never changes.

Identity and time

Publication numberOT-2026-000030322 · never reused
Internal UUID01a0ae73-e501-7ec6-bd57-e91da241132a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030322
StatusPUBLIC

Content hashes

Canonical textf7ff01f1d80b1f7fbce02d028ff603a74955669e18a277e9bfc6b960e21c52f2
Markdownc00ca74e789da6da8a2cdced7f57ffee101e002b70125db982811e463f993fe2
PDF
Publication pageedb7160bf9a78dd8cac8f777edb4778b74b7abc9d8490488b84e0ada4ce248c6
Manifest329cde60ccea1ed4b8a5274565d845c4d3d43a0eb00bbfbc2a555616b12d1d21

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
SignatureflfYxnq+AySEf1F0vMnRg2dAcgXnTVfAZaoXpT1X3sraiFGSg858L0McEr8mmXRPKY6QvcjICnWtYjHOoDIbBg==
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

2026-09-17T11:38:01.769861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030322
observed edb7160bf9a78dd8cac8f777edb4778b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.751381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030322/manifest.json
observed 329cde60ccea1ed4b8a5274565d845c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.732723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030322/publication.md
observed c00ca74e789da6da8a2cdced7f57ffee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.713521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030322/publication.txt
observed f7ff01f1d80b1f7fbce02d028ff603a7...
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.