OpenTechnical

OT-2026-000022654

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000022654) never changes.

Identity and time

Publication numberOT-2026-000022654 · never reused
Internal UUID01a0ae70-46e9-7222-8df2-f5bba3f849ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022654
StatusPUBLIC

Content hashes

Canonical text639b38109fac83932373a3ef2a8962092607caaf25f53cd02a537473406f3d67
Markdowne9d9cb3f57f72751f3840da75e6701e7f0de30b34afcb8a0ec592d6de1516567
PDF
Publication page25e7f6041dd7d7c87e3aebdf3482f9611daebcccdd3c1333a22baf59a5a25386
Manifest77fd3fbe6ebe1f3820c1c25acbd7d5ec13c01a58b77fde495ad4f78081d2438f

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
Signatureu3s/aoOF1yuMJsvUCEPAF8VudKTBUvX+b7LK3SGiw4qFaLduFxeKeAjyZ/rxaPi3l/9NZ9A4f1VugEVkNmwMAw==
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

2026-09-17T11:52:02.240179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022654
observed 25e7f6041dd7d7c87e3aebdf3482f961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.222288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022654/manifest.json
observed 77fd3fbe6ebe1f3820c1c25acbd7d5ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.203447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022654/publication.md
observed e9d9cb3f57f72751f3840da75e6701e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.186187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022654/publication.txt
observed 639b38109fac83932373a3ef2a896209...
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.