OpenTechnical

OT-2026-000030966

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000030966) never changes.

Identity and time

Publication numberOT-2026-000030966 · never reused
Internal UUID01a0ae74-3fb6-7592-9df1-b6ab40c5614f · 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-2026-000030966
StatusPUBLIC

Content hashes

Canonical textb86cdb61a98f4aaf0f02c9f88cbc41ba0579ac7a5d3ad4670bb210839db527ad
Markdown6a26d4d920758de7fd27199a13801888b378f149e63c75520ae21f9e89fbd766
PDF
Publication pagee9579c6a57fe07cf9428c6e8670158681ff861179687d12b682606a55054a5e6
Manifest409446dc678bae27d87efb3a24c0db53ff3a397ebbedf30a2715bdb2d7c4e9ba

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
SignatureZaTj9sxXMCP86sQ6iyOfwIKynlixQCeAN/a5WV8qMoJUbMiSSWhFTMRxpG+BgBVV5cDcmkkjs0lIhk60Wf8CBQ==
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

2026-09-17T11:36:58.227448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030966
observed e9579c6a57fe07cf9428c6e867015868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:58.206608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030966/manifest.json
observed 409446dc678bae27d87efb3a24c0db53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:58.188046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030966/publication.md
observed 6a26d4d920758de7fd27199a13801888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:58.169583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030966/publication.txt
observed b86cdb61a98f4aaf0f02c9f88cbc41ba...
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.