OpenTechnical

OT-2026-000039831

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000039831) never changes.

Identity and time

Publication numberOT-2026-000039831 · never reused
Internal UUID01a0ae78-d8d6-7864-afaa-75f650518126 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039831
StatusPUBLIC

Content hashes

Canonical text74a61688edf6e3a5c899fd032bdaf31f3bdd34b19fc240f5c85a82367de73e99
Markdown188bffa89fb430e3644de89f5e9159c43148f7edc1601c056b39956ca667cc79
PDF
Publication pageb218be8eb95d4126c98b45e1f656ed7ca2b6e687290c6a877cca6ba4ae266806
Manifest63bc272d8e3929635e0485818cd42f0b28b3173f3f63d89ab217ff315e39d124

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
Signature94uh+GsmRloWQw8q7jQO/lwmF15si94p0BkuRXXRWxyfJVhX69kdFGnJlShnU5W67rQPJWKP3EEJ6fRetw4qAg==
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

2026-09-17T11:20:04.604875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039831
observed b218be8eb95d4126c98b45e1f656ed7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.587852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039831/manifest.json
observed 63bc272d8e3929635e0485818cd42f0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.570933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039831/publication.md
observed 188bffa89fb430e3644de89f5e9159c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.554434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039831/publication.txt
observed 74a61688edf6e3a5c899fd032bdaf31f...
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.