OpenTechnical

OT-2026-000032080

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line 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-2026-000032080) never changes.

Identity and time

Publication numberOT-2026-000032080 · never reused
Internal UUID01a0ae74-bad3-763f-a98b-bae0efd0d129 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032080
StatusPUBLIC

Content hashes

Canonical text6f961157eac3d0fb698d1ff55dc06351f59507a2e781a099eed5c38a4433b9e0
Markdown5f34da6fae71e8752eb2f36cc5663afa1e815cf9914b0e80ecfcbb727a2406a8
PDF
Publication page034386ca859795efa1addc83b59cf902fbdd13c09fb0bccbb8e466aaeff7b52f
Manifest930412a0255e5aee95c983a08f3c3eb57f5b4d10d7d8024ec3bbc7454d3c1612

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
Signatureq8HcpEEhzRHPLK1td0VrzywruuPC33JLFMNGv+SDsqOwAKjuzmw4yZra1MPGORdCWXPeoeHlg67WxzF3mo1lDw==
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

2026-09-17T11:35:30.157571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032080
observed 034386ca859795efa1addc83b59cf902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:30.140607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032080/manifest.json
observed 930412a0255e5aee95c983a08f3c3eb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:30.119863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032080/publication.md
observed 5f34da6fae71e8752eb2f36cc5663afa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:30.101364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032080/publication.txt
observed 6f961157eac3d0fb698d1ff55dc06351...
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.