OpenTechnical

OT-2026-000013392

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000013392) never changes.

Identity and time

Publication numberOT-2026-000013392 · never reused
Internal UUID01a0ae6d-6fca-72e6-9751-b0425d8af193 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013392
StatusPUBLIC

Content hashes

Canonical text6fa30805b9101f2aef80b30773827fc58b96809f4ed5235083c5d11307339737
Markdownddf35dccbdf88caf11560a1c2157d70a1023c1d388bd91f06cc1e39ffd1ca3b3
PDF
Publication page3f0074ab6dc10b202f5acd869c144b1fc3e62225357c137b5442b0b4bbe18304
Manifest4cd9ba381e4bc8d574fde4ca4784e04e8958649f5768e2b00cfa7261a50a3a04

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
SignaturervJsnDRWXMkEJUxdo7VRokUhSZ8MfknusJbSJAWO/v9vGwQbac4MvtBgNNljjuMD/Z5K6mlZf8wsbYFPb3kGCQ==
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

2026-09-17T12:09:51.826262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013392
observed 3f0074ab6dc10b202f5acd869c144b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.808231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013392/manifest.json
observed 4cd9ba381e4bc8d574fde4ca4784e04e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.788602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013392/publication.md
observed ddf35dccbdf88caf11560a1c2157d70a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.769743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013392/publication.txt
observed 6fa30805b9101f2aef80b30773827fc5...
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.