OpenTechnical

OT-2026-000030692

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000030692) never changes.

Identity and time

Publication numberOT-2026-000030692 · never reused
Internal UUID01a0ae74-3fb3-746c-8085-d360666b0789 · 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-2026-000030692
StatusPUBLIC

Content hashes

Canonical text2ac001cbbdbc85c4737839389f5217e23d9662432c251b504537f1fa115a0807
Markdownc2d23e727d9e5e58a290d240ea025768103329840d5eacb1ec7f7e3c9faa72ec
PDF
Publication page128d0d126ac35ee63aae877cbef3b1b5f8c066d138da02ec3b9df2fd1699b52a
Manifeste0b68afc426dacdd4281157a262c36fcd104a40eecb8dd54e3a1d40221eddb1b

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
SignatureAMpw2Ge0SATUPFuItE/vfvg1F6sYiNc/WmTHEAnhJsybSs0zSAZNNdteziYQsXH4pZih/yPG70CQrgw9qHvfBA==
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

2026-09-17T11:36:33.481456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030692
observed 128d0d126ac35ee63aae877cbef3b1b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.461013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030692/manifest.json
observed e0b68afc426dacdd4281157a262c36fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.441036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030692/publication.md
observed c2d23e727d9e5e58a290d240ea025768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.404364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030692/publication.txt
observed 2ac001cbbdbc85c4737839389f5217e2...
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.