OpenTechnical

OT-2026-000022295

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000022295) never changes.

Identity and time

Publication numberOT-2026-000022295 · never reused
Internal UUID01a0ae6f-f4fc-71d3-875b-aa9dd1ada581 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022295
StatusPUBLIC

Content hashes

Canonical text96e8ba7f1578b26e4566f1cfee42083958183a3df1a8527f523ad4a9fd0fe95a
Markdown69156fa2855088a616c887a85f158dbd16885f65d48581d70cf579b225c733d9
PDF
Publication page973b4e88545e4da662f5026d5857e3d61dda604e1b0ac97320ef2dfdd4a99b3a
Manifestbc06e911f223bf27e4cc3e9979b3f787e84ab17e0f115ca7eba909bad76c4724

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
SignaturexMFyKtd8VK/xJZ9kfU4ubMsAdtkzm3HhPVnYAMqYUm7Qa//K5OCybBkpu6qJFCEp7fB9Oa1ArWm/ZRZOfmchBA==
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

2026-09-17T11:53:05.892755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022295
observed 973b4e88545e4da662f5026d5857e3d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.874657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022295/manifest.json
observed bc06e911f223bf27e4cc3e9979b3f787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.856553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022295/publication.md
observed 69156fa2855088a616c887a85f158dbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.837934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022295/publication.txt
observed 96e8ba7f1578b26e4566f1cfee420839...
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.