OpenTechnical

OT-2026-000084424

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, sustained 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-2026-000084424) never changes.

Identity and time

Publication numberOT-2026-000084424 · never reused
Internal UUID01a0ae98-5b62-7dbc-a5b8-6c451e3aae20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084424
StatusPUBLIC

Content hashes

Canonical textf0439266db1cdf085db276d0012d2c5e46c3ee467a26c0ed16743a493f1ca7ba
Markdown04d8947155248f9a48066df3c33655d5bc02aab3f487c944b4cdadcee8a74502
PDF
Publication page85852ef1157b5913e91e759d365a274044b98cbb344b7d0b548ec601918d8c95
Manifest2fc743dcea6a68182d2a5a134f82aec6b7347b9463d55921e9186329b5e2b680

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
Signature4i9gLTuFUHkXsOQmhT+wBic+s85/vnIr5Tpl+UFcBF9IaNAoiJCOtKWDL68DP52y6moxZRuOgL4IVlELc3o0DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:22.513768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084424
observed 85852ef1157b5913e91e759d365a2740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.496494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084424/manifest.json
observed 2fc743dcea6a68182d2a5a134f82aec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.477655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084424/publication.md
observed 04d8947155248f9a48066df3c33655d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.438114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084424/publication.txt
observed f0439266db1cdf085db276d0012d2c5e...
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.