OpenTechnical

OT-2026-000022341

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000022341) never changes.

Identity and time

Publication numberOT-2026-000022341 · never reused
Internal UUID01a0ae6f-f4fd-739d-90c0-f272d7a29d21 · 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-2026-000022341
StatusPUBLIC

Content hashes

Canonical text310b63d94abec9e3926ab58dc561aa28a3d9471cc88fa9b2141977c62e8f49fa
Markdown1e1dcd00c23bb3c7a61ba9459d1b9457201d57932257b595c79c62ce945990b0
PDF
Publication page1a285eb1d5853d3125d5107db758214a0e0498d80fde69bca8fa98cbd32957a3
Manifest99372e614392daff18de15c2ba7ed30fb720ee56f6972d45e94652e037f4540f

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
SignaturesAxdzT6mjYZormwoTZi6KKGs3mnBUX77aQgIwY8Y/ZfuGUvc85xunLFps4GJzTnIqfyvetBsBkld6cCIylzMCQ==
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

2026-09-17T11:53:42.266339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022341
observed 1a285eb1d5853d3125d5107db758214a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:42.248231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022341/manifest.json
observed 99372e614392daff18de15c2ba7ed30f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:42.231402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022341/publication.md
observed 1e1dcd00c23bb3c7a61ba9459d1b9457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:42.215119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022341/publication.txt
observed 310b63d94abec9e3926ab58dc561aa28...
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.