OpenTechnical

OT-2026-000033569

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed 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-2026-000033569) never changes.

Identity and time

Publication numberOT-2026-000033569 · never reused
Internal UUID01a0ae75-a38f-7351-9683-bb62c98c1468 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033569
StatusPUBLIC

Content hashes

Canonical textdda097a8168048065e641c37cb3283c4be0810f2686aa8e8a1f1e2d2f497e889
Markdown5ef8f72940e99caa1f995fdb1453aef3ea3bb445d96d4ef7982abb9818573bc5
PDF
Publication pagea772835c9540381db068661a24403eddc959b929213f8fcfdbc77459cbe92a9b
Manifestd6a87caf27770b07127055ac2d1706e0adf56495cddb1349f91c39943ab5a184

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
Signaturem1pJds7ggerusjnqARnmfgp7WVKejSkRHjAOlmOl20i95ZDEX3NUucBkCT0x/PxWsW6WZELAul4FXRgXxvvBCw==
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

2026-09-17T11:31:26.364100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033569
observed a772835c9540381db068661a24403edd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:26.346042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033569/manifest.json
observed d6a87caf27770b07127055ac2d1706e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:26.319879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033569/publication.md
observed 5ef8f72940e99caa1f995fdb1453aef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:26.301894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033569/publication.txt
observed dda097a8168048065e641c37cb3283c4...
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.