OpenTechnical

OT-2026-000022567

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000022567) never changes.

Identity and time

Publication numberOT-2026-000022567 · never reused
Internal UUID01a0ae6f-f4ff-781c-8bb0-805af5da808d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022567
StatusPUBLIC

Content hashes

Canonical textf0d14c0e63c5d966fd626f5b763bd4b7584689496bee3836011c1c77f9312d1f
Markdowna8ac56987d9c87509aaab1192d8eab52b2f6fa2716fad18efe5ad9ad8c8f38aa
PDF
Publication page6cfe6702e838b7323d683a2e15a419700faed80e218dcb4b9ea0235d5bfed116
Manifestc7575f252eb09c63529a63343389d6551bb28997fce5422550fff02c70032d65

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
SignatureLQpDa0in2V24U493N+0nu3S5PIlV0FTrbi1/rN/KdkRN8HxUWgGuklCyWtkKcG2B34gujM/Rva5deeEFlWitCA==
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

2026-09-17T11:54:00.407218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022567
observed 6cfe6702e838b7323d683a2e15a41970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:00.388709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022567/manifest.json
observed c7575f252eb09c63529a63343389d655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:00.371037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022567/publication.md
observed a8ac56987d9c87509aaab1192d8eab52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:00.351992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022567/publication.txt
observed f0d14c0e63c5d966fd626f5b763bd4b7...
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.