OpenTechnical

OT-2026-000030707

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pulsed 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-2026-000030707) never changes.

Identity and time

Publication numberOT-2026-000030707 · never reused
Internal UUID01a0ae74-3fb3-7d0b-9d45-a131a896ca8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030707
StatusPUBLIC

Content hashes

Canonical textd69409912a5e0d6d3fc2f8a3a95d4b84307cc54dabd7363d093596444a279ccb
Markdown870a3566273dce6559d6e4f90043ff8c023bd7c42b38666d458e248d8d277f0e
PDF
Publication pageab5268051c4542d7e542c064086e9c5d76167252814049de871b3f081d09e4c2
Manifest7d0b1bb72f94c8a7ceb43016e326f08eed5ae3c67d52131903bd1836549e9fc1

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
SignatureFc/eG1fjX59nmfu9mQEkEW+/GDqMnCCZrK1JBW4VM8BUBHgCJvgrDVSTfRHRA+YavLhqnqQ39gHIjfXyEMvTBA==
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

2026-09-17T11:36:37.604284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030707
observed ab5268051c4542d7e542c064086e9c5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.585002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030707/manifest.json
observed 7d0b1bb72f94c8a7ceb43016e326f08e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.568727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030707/publication.md
observed 870a3566273dce6559d6e4f90043ff8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.551600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030707/publication.txt
observed d69409912a5e0d6d3fc2f8a3a95d4b84...
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.