OpenTechnical

OT-2026-000034679

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, 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-2026-000034679) never changes.

Identity and time

Publication numberOT-2026-000034679 · never reused
Internal UUID01a0ae76-1ed1-76ea-adf9-3222f0ba3188 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034679
StatusPUBLIC

Content hashes

Canonical text29bbd13c3ebafd423f36b69d20a3faec81dcdec7ac623c14b3a48d1cd16014df
Markdownac461ad30f127a90b0a05ed40123cda93bca8b460f1e7fe743a4b9f26954e4a4
PDF
Publication page7ef64066b893d2c35408b5fb7d9757452a8ec3ee7ccb58ca3645ad6912571b5a
Manifest7d16b6466bb4ab8576afd2c71b5093441cec87841d8f2bcd15ca426bff694756

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
SignatureXO5ejXgfxAcWddtwdjbr4IaONjxY3YHcoKqZWM2qjgzKQwv37wqzZm6EP2lPvA7zuLGFb70+Vqg/0tYf6BfkDg==
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

2026-09-17T11:29:05.243808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034679
observed 7ef64066b893d2c35408b5fb7d975745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:05.223838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034679/manifest.json
observed 7d16b6466bb4ab8576afd2c71b509344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:05.204127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034679/publication.md
observed ac461ad30f127a90b0a05ed40123cda9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:05.177467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034679/publication.txt
observed 29bbd13c3ebafd423f36b69d20a3faec...
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.