OpenTechnical

OT-2026-000013321

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed 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-2026-000013321) never changes.

Identity and time

Publication numberOT-2026-000013321 · never reused
Internal UUID01a0ae6d-6fc9-7515-aabf-27439032564c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013321
StatusPUBLIC

Content hashes

Canonical text74b01504b97ed78c5255afddeca49bcc94b13c47868bc918196a4079b5ca3609
Markdown193a7f563a1e5cff521659dc4d33fba53e775618be4a47773e22f11abfa81374
PDF
Publication pageffe9c3bbb5558df2049a44c35787181b3839c15267f7953f4eaf231d57e0c759
Manifest08c4ca8cfa624d4684cbe96df9f4c5c9194af031937c5f9d759f56439c29cd02

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
SignaturemZuP7cmbn+O40bIwoGLf7HyPrSEwW+6xpyodgIfPZVAtNdgNB1/4QEnLZyDPu7FbQ89OKBZ4uKwhQYVMU+2NDg==
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

2026-09-17T12:09:45.341875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013321
observed ffe9c3bbb5558df2049a44c35787181b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:45.323161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013321/manifest.json
observed 08c4ca8cfa624d4684cbe96df9f4c5c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:45.304709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013321/publication.md
observed 193a7f563a1e5cff521659dc4d33fba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:45.284934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013321/publication.txt
observed 74b01504b97ed78c5255afddeca49bcc...
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.