OpenTechnical

OT-2026-000023820

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000023820) never changes.

Identity and time

Publication numberOT-2026-000023820 · never reused
Internal UUID01a0ae70-aed5-7741-947e-cd05a22af72a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023820
StatusPUBLIC

Content hashes

Canonical text3ea6f4fd6e7ab1b563e27a913350fd59826772491e8c2c77142d518fa623cf3f
Markdown41e01f19af8a618b5d830464a684d3980a779efaeb4e2aef5b86f7f89d85dba1
PDF
Publication page74822812831be9fe55d5366aa93be909439db15c4f38e94bba4a99563b802017
Manifest704e106684ac0ac778cd0d5123f99e83c68194d3a81cbf86141b868a02d005cc

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
SignaturephJisfT3mE9TUfFME22NcUxqVbIwFXY47hnMytWyN2eKfMYT2Cp5IsRq6e+PXrYheLjPp2vmFQrLB6GzdGzXBQ==
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

2026-09-17T11:50:18.284351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023820
observed 74822812831be9fe55d5366aa93be909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.264663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023820/manifest.json
observed 704e106684ac0ac778cd0d5123f99e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.246779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023820/publication.md
observed 41e01f19af8a618b5d830464a684d398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.226801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023820/publication.txt
observed 3ea6f4fd6e7ab1b563e27a913350fd59...
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.