OpenTechnical

OT-2026-000041397

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000041397) never changes.

Identity and time

Publication numberOT-2026-000041397 · never reused
Internal UUID01a0ae79-b145-7f17-80b1-61c762f3f178 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041397
StatusPUBLIC

Content hashes

Canonical textae2d3d423a4fcd1d5bf6441874de2de41faacc0a478b30e0742242cf099bc937
Markdown425b88eaf126d1c1caa317078c04f46a3ca31f3bd782134afebd5f75c8bdc551
PDF
Publication pagea3ddf9d5fb6c6a6a5759dbdcea45cc68889fc9126b3a740ed414be2631e0fde4
Manifestcd8e560a8754b39cf0fbf5b534be22949edf8578d27f4fbe340779957855a6cc

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
Signature7EkYC9gjXHfWxVm8GeLduQEXy2ItFucpZr1yXzEV1uhgTUizYxLXI4wkjtn1XOGkJU6uVPhTW0z6OylPAc+qAw==
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

2026-09-17T11:17:24.484139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041397
observed a3ddf9d5fb6c6a6a5759dbdcea45cc68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:24.466506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041397/manifest.json
observed cd8e560a8754b39cf0fbf5b534be2294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:24.449197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041397/publication.md
observed 425b88eaf126d1c1caa317078c04f46a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:24.432200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041397/publication.txt
observed ae2d3d423a4fcd1d5bf6441874de2de4...
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.