OpenTechnical

OT-2026-000042182

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000042182) never changes.

Identity and time

Publication numberOT-2026-000042182 · never reused
Internal UUID01a0ae7a-5d72-7db7-8fe5-d204a329f326 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042182
StatusPUBLIC

Content hashes

Canonical texte2caebacf24b13bfee25b59f81f697ce9c8061198c3465f8da59ac5fec00f3f2
Markdown58140e2ee7bc6acb9d95b8520ee55e9664c68d4b65d4afc49ced4db9fff51ed3
PDF
Publication paged6474e11e99bbfabf011cbb646237cdc2b336cafcf95424dc91d6e77610f3fe6
Manifesta4f6430a183d2fe9290c0639fd9568809d14d4bfc4cfff6214116a3ae637688f

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/eDQNg1LIHIEiWmhsRHEpRTakb4TaqfFOJefVdM8wsg/ReVmXm+tYojfYqGSjzJ9g3u3U4CNpkHpkxpBB2R8CQ==
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

2026-09-17T11:15:50.574767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042182
observed d6474e11e99bbfabf011cbb646237cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:50.553252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042182/manifest.json
observed a4f6430a183d2fe9290c0639fd956880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:50.532007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042182/publication.md
observed 58140e2ee7bc6acb9d95b8520ee55e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:50.511126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042182/publication.txt
observed e2caebacf24b13bfee25b59f81f697ce...
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.