OpenTechnical

OT-2026-000003659

Publication integrity record

Vacuum cup gripper, four zone face, per zone isolation, ejector fed

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-2026-000003659) never changes.

Identity and time

Publication numberOT-2026-000003659 · never reused
Internal UUID01a0a90a-aa8f-7dac-abc8-460eb5f87eed · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:23.665732Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003659
StatusPUBLIC

Content hashes

Canonical textcf7821adf74f3896280878996026c91b351fec2568a0da1caf0387013f5a02a1
Markdown153fe3558d2769985ef379d57bf7aac1862a886ce1247088fe406705360188ab
PDF
Publication pagef8ee62f7a39bd909cf10176824650ebea6c24333985c1f077a1e9a0a26a75772
Manifest6bfa94a4d6f852bbd4f155ca6dfcede69ded25c012a05b05ca2a36e38b335840

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
Signaturej8kfmNoG12CWnjgw2UMlL/xMt6YtayHFGfUTadHznYNhi5siEEATEsTqeY8IL2cCMdD8PXDatwgqa4/fBO/bDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:20:36.656832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003659
observed f8ee62f7a39bd909cf10176824650ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:36.640014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003659/manifest.json
observed 6bfa94a4d6f852bbd4f155ca6dfcede6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:36.623041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003659/publication.md
observed 153fe3558d2769985ef379d57bf7aac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:36.426942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003659/publication.txt
observed cf7821adf74f3896280878996026c91b...
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.